18.03.2026

main.py

@@ -0,0 +1,588 @@
+import openpyxl             # Добавь это
+openpyxl.__version__ = "3.1.5" # И это
+import sqlite3
+import pandas as pd
+import os
+import sys
+from datetime import datetime
+
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+RESOURCE_DIR = os.path.join(BASE_DIR, "Resource")
+# ========== ИЗМЕНЕНО: partners.db -> materials.db ==========
+DB_PATH = os.path.join(BASE_DIR, "materials.db")
+
+
+def create_tables(db_connection):
+    """Создает все необходимые таблицы в базе данных"""
+    cursor = db_connection.cursor()
+
+    cursor.executescript('''
+    -- Типы контрагентов
+    CREATE TABLE IF NOT EXISTS ContractorType (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        type_name VARCHAR(100) NOT NULL UNIQUE
+    );
+
+    -- Контрагенты/Клиенты
+    CREATE TABLE IF NOT EXISTS Clients (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        contractor_type_id INTEGER REFERENCES ContractorType(id),
+        name VARCHAR(255) NOT NULL,
+        director VARCHAR(255),
+        email VARCHAR(255),
+        phone VARCHAR(50),
+        address TEXT,
+        inn VARCHAR(20) UNIQUE,
+        rating DECIMAL(3,2) DEFAULT 0.0,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    );
+
+    -- Категории продукции
+    CREATE TABLE IF NOT EXISTS Categories (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        category_name VARCHAR(100) NOT NULL UNIQUE,
+        coefficient DECIMAL(5,2) NOT NULL DEFAULT 1.0
+    );
+
+    -- Таблица материалов
+    CREATE TABLE IF NOT EXISTS Materials (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        material_name VARCHAR(100) NOT NULL UNIQUE,
+        description TEXT,
+        category VARCHAR(50),
+        color VARCHAR(50),
+        density DECIMAL(10,2),
+        thickness DECIMAL(10,2),
+        supplier VARCHAR(255),
+        country VARCHAR(100),
+        wear_class VARCHAR(20),
+        price_per_unit DECIMAL(15,2),
+        unit VARCHAR(20) DEFAULT 'шт',
+        in_stock INTEGER DEFAULT 0,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    );
+
+    -- Каталог продукции
+    CREATE TABLE IF NOT EXISTS Catalog (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        category_id INTEGER REFERENCES Categories(id),
+        material_id INTEGER REFERENCES Materials(id),
+        product_name VARCHAR(255) NOT NULL,
+        article VARCHAR(100) UNIQUE NOT NULL,
+        description TEXT,
+        min_price DECIMAL(15,2) NOT NULL,
+        quantity_in_stock INTEGER DEFAULT 0,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    );
+
+    -- Таблица корзин
+    CREATE TABLE IF NOT EXISTS Cart (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        client_id INTEGER REFERENCES Clients(id),
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+        status VARCHAR(50) DEFAULT 'активна'
+    );
+
+    -- Таблица товаров в корзине
+    CREATE TABLE IF NOT EXISTS CartItems (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        cart_id INTEGER REFERENCES Cart(id),
+        product_id INTEGER REFERENCES Catalog(id),
+        quantity INTEGER NOT NULL CHECK (quantity > 0),
+        price_at_moment DECIMAL(15,2) NOT NULL,
+        added_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    );
+
+    -- ========== НОВАЯ СТРУКТУРА ЗАКАЗОВ ==========
+    
+    -- Заказы (без product_id и quantity)
+    CREATE TABLE IF NOT EXISTS Orders (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        client_id INTEGER NOT NULL REFERENCES Clients(id),
+        order_date DATE NOT NULL,
+        total_amount DECIMAL(15,2) NOT NULL DEFAULT 0,
+        status VARCHAR(50) DEFAULT 'Новый',
+        discount_percent INTEGER DEFAULT 0,
+        notes TEXT,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    );
+
+    -- Позиции заявок
+    CREATE TABLE IF NOT EXISTS OrderItems (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        order_id INTEGER NOT NULL REFERENCES Orders(id) ON DELETE CASCADE,
+        product_id INTEGER NOT NULL REFERENCES Catalog(id),
+        quantity INTEGER NOT NULL CHECK (quantity > 0),
+        price_at_moment DECIMAL(15,2) NOT NULL,
+        transport_cost DECIMAL(15,2) DEFAULT 0,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    );
+
+    -- Индексы для оптимизации
+    CREATE INDEX IF NOT EXISTS idx_client_type ON Clients(contractor_type_id);
+    CREATE INDEX IF NOT EXISTS idx_client_inn ON Clients(inn);
+    CREATE INDEX IF NOT EXISTS idx_catalog_category ON Catalog(category_id);
+    CREATE INDEX IF NOT EXISTS idx_catalog_material ON Catalog(material_id);
+    CREATE INDEX IF NOT EXISTS idx_catalog_article ON Catalog(article);
+    CREATE INDEX IF NOT EXISTS idx_material_name ON Materials(material_name);
+    CREATE INDEX IF NOT EXISTS idx_cart_client ON Cart(client_id);
+    CREATE INDEX IF NOT EXISTS idx_cart_status ON Cart(status);
+    CREATE INDEX IF NOT EXISTS idx_cart_items_cart ON CartItems(cart_id);
+    CREATE INDEX IF NOT EXISTS idx_order_client ON Orders(client_id);
+    CREATE INDEX IF NOT EXISTS idx_order_date ON Orders(order_date);
+    CREATE INDEX IF NOT EXISTS idx_order_status ON Orders(status);
+    CREATE INDEX IF NOT EXISTS idx_orderitems_order ON OrderItems(order_id);
+    CREATE INDEX IF NOT EXISTS idx_orderitems_product ON OrderItems(product_id);
+    ''')
+
+    db_connection.commit()
+    print("✅ Таблицы успешно созданы (новая структура с OrderItems)")
+
+
+def calculate_discount(total_amount):
+    """Рассчитывает скидку на основе общей суммы заказов"""
+    if total_amount >= 500000:
+        return 20
+    elif total_amount >= 300000:
+        return 15
+    elif total_amount >= 150000:
+        return 10
+    return 0
+
+
+def get_clients(db_path=DB_PATH, sort_by='rating', ascending=False):
+    """Получает данные о клиентах с возможностью сортировки"""
+    try:
+        conn = sqlite3.connect(db_path)
+        query = """
+        SELECT 
+            ct.type_name AS "Тип клиента",
+            c.name AS "Наименование клиента",
+            c.director AS "Директор",
+            c.email AS "Электронная почта",
+            c.phone AS "Телефон",
+            c.address AS "Адрес",
+            c.inn AS "ИНН",
+            c.rating AS "Рейтинг",
+            c.created_at AS "Дата создания",
+            COALESCE(SUM(o.total_amount), 0) as total_amount,
+            COUNT(DISTINCT o.id) as orders_count
+        FROM Clients c
+        JOIN ContractorType ct ON c.contractor_type_id = ct.id
+        LEFT JOIN Orders o ON c.id = o.client_id
+        GROUP BY c.id
+        """
+
+        if sort_by == 'discount':
+            query += " ORDER BY total_amount"
+        elif sort_by == 'rating':
+            query += " ORDER BY c.rating"
+        elif sort_by == 'name':
+            query += " ORDER BY c.name"
+        elif sort_by == 'type':
+            query += " ORDER BY ct.type_name, c.name"
+        else:
+            query += " ORDER BY c.rating"
+
+        query += " DESC" if not ascending else " ASC"
+
+        df = pd.read_sql_query(query, conn)
+        conn.close()
+
+        if not df.empty:
+            df['Скидка_процент'] = df['total_amount'].apply(calculate_discount)
+            df['Скидка_текст'] = df['Скидка_процент'].apply(lambda x: f'{x}%')
+            df['Общая_сумма'] = df['total_amount'].apply(lambda x: f"{x:,.2f} руб.")
+
+        return df
+
+    except Exception as e:
+        print(f"❌ Ошибка: {e}")
+        return None
+
+
+def get_orders_history(db_path=DB_PATH, limit=50, sort_by='date_desc'):
+    """Получает историю заказов"""
+    try:
+        conn = sqlite3.connect(db_path)
+        query = """
+        SELECT 
+            o.order_date AS "Дата заказа",
+            c.name AS "Клиент",
+            COUNT(oi.id) AS "Кол-во позиций",
+            o.total_amount AS "Сумма заказа",
+            o.status AS "Статус",
+            o.discount_percent AS "Скидка",
+            GROUP_CONCAT(cat.product_name, ', ') AS "Товары"
+        FROM Orders o
+        JOIN Clients c ON o.client_id = c.id
+        LEFT JOIN OrderItems oi ON o.id = oi.order_id
+        LEFT JOIN Catalog cat ON oi.product_id = cat.id
+        GROUP BY o.id
+        """
+
+        if sort_by == 'date_desc':
+            query += " ORDER BY o.order_date DESC, o.created_at DESC"
+        elif sort_by == 'date_asc':
+            query += " ORDER BY o.order_date ASC, o.created_at ASC"
+        elif sort_by == 'amount_desc':
+            query += " ORDER BY o.total_amount DESC"
+        else:
+            query += " ORDER BY o.order_date DESC, o.created_at DESC"
+
+        query += " LIMIT ?"
+
+        df = pd.read_sql_query(query, conn, params=(limit,))
+        conn.close()
+        return df
+    except Exception as e:
+        print(f"❌ Ошибка при получении истории заказов: {e}")
+        return None
+
+
+def print_client_cards(clients_df):
+    """Выводит карточки клиентов"""
+    if clients_df is None or clients_df.empty:
+        print("📭 Нет данных о клиентах")
+        return
+
+    for index, row in clients_df.iterrows():
+        print("╔" + "═" * 79 + "╗")
+        print(f"║ {'КАРТОЧКА КЛИЕНТА':^77} ║")
+        print("╠" + "═" * 79 + "╣")
+
+        print(f"║ Тип: {row['Тип клиента']:<70} ║")
+        print(f"║ Наименование: {row['Наименование клиента']:<63} ║")
+        print(f"║ Директор: {row['Директор']:<68} ║")
+        print(f"║ Рейтинг: {row['Рейтинг']:<69} ║")
+        print(f"║ Заказов: {row['orders_count']:<69} ║")
+        print(f"║ Сумма заказов: {row['total_amount']:,.2f} руб.   ║")
+        print(f"║ Скидка: {row['Скидка_текст']:<70} ║")
+        print(f"║ {'':<77} ║")
+        print(f"║ Email: {row['Электронная почта']:<70} ║")
+        print(f"║ Телефон: {row['Телефон']:<69} ║")
+        print(f"║ ИНН: {row['ИНН']:<73} ║")
+        
+        address = row['Адрес'] if row['Адрес'] else 'Не указан'
+        if len(address) > 70:
+            address = address[:67] + "..."
+        print(f"║ Адрес: {address:<70} ║")
+        print("╚" + "═" * 79 + "╝")
+        print()
+
+
+def print_orders_cards(orders_df):
+    """Выводит карточки заказов"""
+    if orders_df is None or orders_df.empty:
+        print("📭 Нет данных о заказах")
+        return
+
+    print("╔" + "═" * 120 + "╗")
+    print(f"║ {'ИСТОРИЯ ЗАКАЗОВ':^118} ║")
+    print("╠" + "═" * 120 + "╣")
+
+    for index, row in orders_df.iterrows():
+        date = str(row['Дата заказа'])[:10]
+        client = row['Клиент'][:20] if len(row['Клиент']) > 20 else row['Клиент']
+        items = row['Кол-во позиций']
+        amount = f"{row['Сумма заказа']:,.2f}"
+        status = row['Статус']
+        discount = f"{row['Скидка']}%"
+        products = row['Товары'][:50] if row['Товары'] else '-'
+
+        print(f"║ {date} | {client:<20} | Позиций: {items:2} | Скидка: {discount:3} | {amount:>15} руб. | {status} ║")
+        print(f"║ Товары: {products:<106} ║")
+        print("╠" + "═" * 120 + "╣")
+
+    total_amount = orders_df['Сумма заказа'].sum()
+    print(f"║ {'ИТОГО:':<20} {len(orders_df)} заказов, общая сумма: {total_amount:,.2f} руб. {'':>30} ║")
+    print("╚" + "═" * 120 + "╝")
+
+
+def simple_choice(options):
+    """Упрощенная функция выбора"""
+    print("\n" + "=" * 60)
+    print("ВЫБЕРИТЕ ОПЦИЮ:")
+    print("=" * 60)
+    for i, option in enumerate(options, 1):
+        print(f"{i}. {option}")
+
+    while True:
+        try:
+            choice = input(f"\nВведите номер (1-{len(options)}): ").strip()
+            if choice.isdigit():
+                choice_num = int(choice)
+                if 1 <= choice_num <= len(options):
+                    return options[choice_num - 1]
+            print(f"❌ Пожалуйста, введите число от 1 до {len(options)}")
+        except (ValueError, EOFError):
+            print("❌ Неверный ввод. Попробуйте еще раз.")
+        except KeyboardInterrupt:
+            print("\n👋 Программа прервана пользователем.")
+            sys.exit(0)
+
+
+def check_database():
+    """Проверяет загруженные данные в базе"""
+    conn = sqlite3.connect(DB_PATH)
+    try:
+        cursor = conn.cursor()
+        print("\n🔍 Проверка загруженных данных:")
+        tables = ['ContractorType', 'Clients', 'Categories', 'Materials', 'Catalog', 'Cart', 'CartItems', 'Orders', 'OrderItems']
+        for table in tables:
+            cursor.execute(f"SELECT COUNT(*) FROM {table}")
+            count = cursor.fetchone()[0]
+            print(f"   {table}: {count} записей")
+    finally:
+        conn.close()
+
+
+def load_data_from_files():
+    """Загружает данные из Excel файлов в базу данных"""
+    conn = sqlite3.connect(DB_PATH)
+    cursor = conn.cursor()
+
+    try:
+        print("\n📁 Введите имена файлов:")
+        clients_file = input("Файл с клиентами (Enter = Clients_import.xlsx): ").strip() or "Clients_import.xlsx"
+        categories_file = input("Файл с категориями (Enter = Categories_import.xlsx): ").strip() or "Categories_import.xlsx"
+        materials_file = input("Файл с материалами (Enter = Materials_import.xlsx): ").strip() or "Materials_import.xlsx"
+        catalog_file = input("Файл с каталогом (Enter = Products_import.xlsx): ").strip() or "Products_import.xlsx"
+        orders_file = input("Файл с заказами (Enter = Orders_import.xlsx): ").strip() or "Orders_import.xlsx"
+
+        # Формируем пути
+        clients_file = os.path.join(RESOURCE_DIR, os.path.basename(clients_file))
+        categories_file = os.path.join(RESOURCE_DIR, os.path.basename(categories_file))
+        materials_file = os.path.join(RESOURCE_DIR, os.path.basename(materials_file))
+        catalog_file = os.path.join(RESOURCE_DIR, os.path.basename(catalog_file))
+        orders_file = os.path.join(RESOURCE_DIR, os.path.basename(orders_file))
+
+        # 1. Загрузка типов контрагентов
+        print("\n1. 📊 Загрузка типов контрагентов...")
+        clients_df = pd.read_excel(clients_file)
+        
+        type_column = 'Тип партнера'
+        if type_column in clients_df.columns:
+            contractor_types = clients_df[type_column].unique()
+            for contractor_type in contractor_types:
+                cursor.execute("INSERT OR IGNORE INTO ContractorType (type_name) VALUES (?)", (contractor_type,))
+            print(f"   Загружено {len(contractor_types)} типов")
+
+        # 2. Загрузка клиентов
+        print("2. 👥 Загрузка клиентов...")
+        loaded_clients = 0
+        for _, row in clients_df.iterrows():
+            type_value = row.get('Тип партнера', 'Клиент')
+            cursor.execute("SELECT id FROM ContractorType WHERE type_name = ?", (type_value,))
+            result = cursor.fetchone()
+            contractor_type_id = result[0] if result else 1
+
+            cursor.execute("""INSERT OR IGNORE INTO Clients 
+                (contractor_type_id, name, director, email, phone, address, inn, rating) 
+                VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
+                (contractor_type_id, 
+                 row.get('Наименование партнера', ''),
+                 row.get('Директор', ''),
+                 row.get('Электронная почта партнера', ''),
+                 row.get('Телефон партнера', ''),
+                 row.get('Юридический адрес партнера', ''),
+                 str(row.get('ИНН', '')),
+                 float(row.get('Рейтинг', 0)))
+            )
+            loaded_clients += 1
+        print(f"   Загружено {loaded_clients} клиентов")
+
+        # 3. Загрузка категорий
+        print("3. 📦 Загрузка категорий...")
+        categories_df = pd.read_excel(categories_file)
+        loaded_categories = 0
+        for _, row in categories_df.iterrows():
+            cursor.execute("INSERT OR IGNORE INTO Categories (category_name, coefficient) VALUES (?, ?)",
+                (row.get('Тип продукции', ''), 
+                 float(row.get('Коэффициент типа продукции', 1.0)))
+            )
+            loaded_categories += 1
+        print(f"   Загружено {loaded_categories} категорий")
+
+        # 4. Загрузка материалов
+        print("4. 📦 Загрузка материалов...")
+        materials_df = pd.read_excel(materials_file)
+        loaded_materials = 0
+        for _, row in materials_df.iterrows():
+            cursor.execute("""
+                INSERT OR IGNORE INTO Materials 
+                (material_name, description, category, color, density, thickness, 
+                 supplier, country, wear_class, price_per_unit, unit, in_stock) 
+                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+            """, (
+                row.get('Наименование материала', ''),
+                row.get('Описание', ''),
+                row.get('Категория', ''),
+                row.get('Цвет', ''),
+                row.get('Плотность', None),
+                row.get('Толщина', None),
+                row.get('Поставщик', ''),
+                row.get('Страна', ''),
+                row.get('Класс прочности', ''),
+                float(row.get('Цена за ед.', 0)),
+                row.get('Единица', 'шт'),
+                int(row.get('В наличии', 0))
+            ))
+            loaded_materials += 1
+        print(f"   ✅ Загружено {loaded_materials} материалов")
+
+        # 5. Загрузка каталога
+        print("5. 🏷️ Загрузка каталога...")
+        catalog_df = pd.read_excel(catalog_file)
+        loaded_products = 0
+        for _, row in catalog_df.iterrows():
+            cursor.execute("""
+                INSERT OR IGNORE INTO Catalog 
+                (category_id, material_id, product_name, article, description, min_price, quantity_in_stock) 
+                VALUES (?, ?, ?, ?, ?, ?, ?)
+            """, (
+                int(row.get('category_id', 1)),
+                int(row.get('material_id')) if pd.notna(row.get('material_id')) else None,
+                row.get('product_name', ''),
+                str(row.get('article', '')),
+                row.get('description', ''),
+                float(row.get('min_price', 0)),
+                int(row.get('quantity_in_stock', 0))
+            ))
+            loaded_products += 1
+        print(f"   ✅ Загружено {loaded_products} товаров")
+
+        # 6. Загрузка заказов
+        print("6. 📝 Загрузка заказов...")
+        
+        # Получаем соответствие товаров
+        products_dict = {}
+        cursor.execute("SELECT id, product_name, article, min_price FROM Catalog")
+        for row in cursor.fetchall():
+            products_dict[row[1]] = {'id': row[0], 'price': row[3]}
+        
+        # Получаем соответствие поставщиков
+        suppliers_dict = {}
+        cursor.execute("SELECT id, name FROM Clients")
+        for row in cursor.fetchall():
+            suppliers_dict[row[1]] = row[0]
+        
+        # Читаем заказы
+        orders_df = pd.read_excel(orders_file)
+        
+        # Группируем заказы
+        order_groups = {}
+        for _, row in orders_df.iterrows():
+            supplier_name = row.get('Наименование партнера', '')
+            date = pd.to_datetime(row.get('Дата', datetime.now())).strftime('%Y-%m-%d')
+            key = f"{supplier_name}_{date}"
+            
+            if key not in order_groups:
+                order_groups[key] = {
+                    'supplier_id': suppliers_dict.get(supplier_name),
+                    'date': date,
+                    'items': []
+                }
+            
+            product_name = row.get('Продукция', '')
+            quantity = int(row.get('Количество', 1))
+            
+            if product_name in products_dict:
+                order_groups[key]['items'].append({
+                    'product_id': products_dict[product_name]['id'],
+                    'quantity': quantity,
+                    'price': products_dict[product_name]['price']
+                })
+        
+        # Создаем заказы
+        orders_count = 0
+        items_count = 0
+        
+        for key, data in order_groups.items():
+            if not data['supplier_id'] or not data['items']:
+                continue
+            
+            # Считаем сумму
+            total = 0
+            for item in data['items']:
+                total += item['quantity'] * item['price'] * 1.1
+            
+            # Создаем заказ
+            cursor.execute('''
+                INSERT INTO Orders (client_id, order_date, total_amount, status)
+                VALUES (?, ?, ?, ?)
+            ''', (data['supplier_id'], data['date'], total, 'Выполнен'))
+            
+            order_id = cursor.lastrowid
+            orders_count += 1
+            
+            # Создаем позиции
+            for item in data['items']:
+                transport = item['quantity'] * item['price'] * 0.1
+                cursor.execute('''
+                    INSERT INTO OrderItems (order_id, product_id, quantity, price_at_moment, transport_cost)
+                    VALUES (?, ?, ?, ?, ?)
+                ''', (order_id, item['product_id'], item['quantity'], item['price'], transport))
+                items_count += 1
+        
+        conn.commit()
+        print(f"   ✅ Загружено {orders_count} заказов и {items_count} позиций")
+        
+        check_database()
+
+    except Exception as e:
+        print(f"❌ Ошибка при загрузке данных: {e}")
+        import traceback
+        traceback.print_exc()
+        conn.rollback()
+    finally:
+        conn.close()
+
+
+def display_menu():
+    """Главное меню программы"""
+    menu_options = [
+        'КАРТОЧКИ КЛИЕНТОВ (сортировка по рейтингу)',
+        'КАРТОЧКИ КЛИЕНТОВ (сортировка по скидкам)',
+        'ИСТОРИЯ ЗАКАЗОВ',
+        'ЗАПОЛНЕНИЕ БД из файлов',
+        'ВЫХОД'
+    ]
+
+    while True:
+        choice = simple_choice(menu_options)
+
+        if choice == 'КАРТОЧКИ КЛИЕНТОВ (сортировка по рейтингу)':
+            print("\n🎯 КАРТОЧКИ КЛИЕНТОВ (сортировка по рейтингу)")
+            clients = get_clients(sort_by='rating', ascending=False)
+            print_client_cards(clients)
+
+        elif choice == 'КАРТОЧКИ КЛИЕНТОВ (сортировка по скидкам)':
+            print("\n📊 КАРТОЧКИ КЛИЕНТОВ (сортировка по скидкам)")
+            clients = get_clients(sort_by='discount', ascending=False)
+            print_client_cards(clients)
+
+        elif choice == 'ИСТОРИЯ ЗАКАЗОВ':
+            print("\n📈 ИСТОРИЯ ЗАКАЗОВ")
+            orders = get_orders_history(limit=50)
+            print_orders_cards(orders)
+
+        elif choice == 'ЗАПОЛНЕНИЕ БД из файлов':
+            if os.path.exists(DB_PATH):
+                os.remove(DB_PATH)
+                print("🗑️ База данных materials.db удалена")
+            else:
+                print("ℹ️ База данных не найдена, создаем новую")
+
+            conn = sqlite3.connect(DB_PATH)
+            create_tables(conn)
+            conn.close()
+            load_data_from_files()
+
+        elif choice == 'ВЫХОД':
+            print("\n👋 До свидания!")
+            break
+
+
+if __name__ == "__main__":
+    display_menu()

main_flask.py

@@ -0,0 +1,999 @@
+from flask import Flask, render_template, send_from_directory, request, redirect, url_for, flash, session
+import sqlite3
+import os
+from datetime import datetime
+
+app = Flask(__name__)
+app.secret_key = 'my_secret_key_12345'
+
+# ========== ПОДКЛЮЧЕНИЕ К БАЗЕ ДАННЫХ ==========
+def get_db_connection():
+    conn = sqlite3.connect('materials.db')
+    conn.row_factory = sqlite3.Row
+    return conn
+
+# ========== ФУНКЦИИ РАСЧЕТА СКИДОК И СТОИМОСТИ ==========
+
+def calculate_supplier_discount(supplier_id, year):
+    """Расчет накопительной скидки поставщика за год (по сумме заказов)"""
+    conn = get_db_connection()
+    
+    # Получаем все заказы поставщика за указанный год
+    orders = conn.execute('''
+        SELECT total_amount FROM Orders 
+        WHERE client_id = ? AND strftime('%Y', order_date) = ?
+    ''', (supplier_id, str(year))).fetchall()
+    
+    conn.close()
+    
+    total_year = sum(order['total_amount'] for order in orders)
+    
+    if total_year >= 500000:
+        return 20
+    elif total_year >= 300000:
+        return 15
+    elif total_year >= 150000:
+        return 10
+    return 0
+
+def calculate_order_total_with_transport(items):
+    """Расчет общей суммы заказа с транспортными расходами (10%)"""
+    total = 0
+    for item in items:
+        total += item['quantity'] * item['price'] * 1.1
+    return round(total, 2)
+
+# ========== ГЛАВНАЯ СТРАНИЦА (ПОСТАВЩИКИ) ==========
+
+@app.route('/')
+def index():
+    # Получаем параметры фильтрации из URL
+    search_query = request.args.get('search', '')
+    client_type = request.args.get('type', 'all')
+    min_rating = request.args.get('rating', '0')
+    sort_by = request.args.get('sort', 'name_asc')
+    
+    conn = get_db_connection()
+    
+    try:
+        # Получаем общее количество всех клиентов (без фильтров)
+        total_count = conn.execute('SELECT COUNT(*) as count FROM Clients').fetchone()['count']
+        
+        # Базовый SQL запрос для клиентов
+        sql = '''
+            SELECT c.*, ct.type_name as contractor_type_name,
+                   COALESCE(SUM(o.total_amount), 0) as total_amount,
+                   COUNT(DISTINCT o.id) as orders_count
+            FROM Clients c 
+            LEFT JOIN ContractorType ct ON c.contractor_type_id = ct.id
+            LEFT JOIN Orders o ON c.id = o.client_id
+            WHERE 1=1
+        '''
+        params = []
+        
+        # Поиск по названию или ИНН
+        if search_query:
+            sql += " AND (c.name LIKE ? OR c.inn LIKE ?)"
+            params.extend([f'%{search_query}%', f'%{search_query}%'])
+        
+        # Фильтр по типу клиента
+        if client_type != 'all':
+            sql += " AND ct.type_name = ?"
+            params.append(client_type)
+        
+        # Фильтр по минимальному рейтингу
+        if min_rating != '0':
+            sql += " AND c.rating >= ?"
+            params.append(float(min_rating))
+        
+        # Группировка (обязательно после WHERE)
+        sql += " GROUP BY c.id"
+        
+        # Сортировка
+        if sort_by == 'name_asc':
+            sql += " ORDER BY c.name ASC"
+        elif sort_by == 'name_desc':
+            sql += " ORDER BY c.name DESC"
+        elif sort_by == 'rating_desc':
+            sql += " ORDER BY c.rating DESC"
+        elif sort_by == 'rating_asc':
+            sql += " ORDER BY c.rating ASC"
+        elif sort_by == 'discount_desc':
+            sql += " ORDER BY total_amount DESC"
+        elif sort_by == 'discount_asc':
+            sql += " ORDER BY total_amount ASC"
+        else:
+            sql += " ORDER BY c.name ASC"
+        
+        # Выполняем запрос
+        clients = conn.execute(sql, params).fetchall()
+        
+        # Добавляем информацию о скидке на основе суммы
+        clients_with_discount = []
+        for client in clients:
+            total_amount = client['total_amount'] or 0
+            
+            # Рассчитываем текущую скидку на основе истории заказов
+            current_discount = calculate_supplier_discount(client['id'], datetime.now().year)
+            
+            client_dict = dict(client)
+            client_dict['total_amount'] = total_amount
+            client_dict['total_sales'] = total_amount
+            client_dict['orders_count'] = client['orders_count'] or 0
+            client_dict['discount_percent'] = current_discount
+            client_dict['discount'] = current_discount
+            client_dict['discount_text'] = f'{current_discount}%'
+            
+            clients_with_discount.append(client_dict)
+        
+        conn.close()
+        
+        return render_template('index.html', 
+                             partners=clients_with_discount, 
+                             total_count=total_count)
+    
+    except sqlite3.OperationalError as e:
+        conn.close()
+        return render_template('index.html', 
+                             partners=[], 
+                             total_count=0,
+                             error_message=f"Ошибка базы данных: {str(e)}")
+
+# ========== МАРШРУТЫ ДЛЯ КЛИЕНТОВ ==========
+
+@app.route('/add_client', methods=['GET', 'POST'])
+def add_client():
+    if request.method == 'POST':
+        try:
+            name = request.form['name']
+            director = request.form.get('director', '')
+            email = request.form['email']
+            phone = request.form.get('phone', '')
+            address = request.form.get('address', '')
+            inn = request.form.get('inn', '')
+            contractor_type_id = request.form['contractor_type_id']
+            rating = request.form.get('rating', 0.0)
+
+            conn = get_db_connection()
+            
+            # Проверяем уникальность ИНН
+            if inn:
+                existing = conn.execute('SELECT id FROM Clients WHERE inn = ?', (inn,)).fetchone()
+                if existing:
+                    flash('Клиент с таким ИНН уже существует', 'error')
+                    conn.close()
+                    return redirect(url_for('add_client'))
+
+            conn.execute('''
+                INSERT INTO Clients (name, director, email, phone, address, inn, contractor_type_id, rating)
+                VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+            ''', (name, director, email, phone, address, inn, contractor_type_id, rating))
+
+            conn.commit()
+            conn.close()
+            flash('Клиент успешно добавлен!', 'success')
+            return redirect(url_for('index'))
+
+        except Exception as e:
+            flash(f'Ошибка: {str(e)}', 'error')
+            return redirect(url_for('add_client'))
+
+    # GET запрос
+    conn = get_db_connection()
+    contractor_types = conn.execute('SELECT * FROM ContractorType ORDER BY type_name').fetchall()
+    conn.close()
+    return render_template('add_client.html', contractor_types=contractor_types)
+
+@app.route('/edit_client/<int:client_id>', methods=['GET', 'POST'])
+def edit_client(client_id):
+    conn = get_db_connection()
+
+    if request.method == 'POST':
+        try:
+            name = request.form['name']
+            director = request.form.get('director', '')
+            email = request.form['email']
+            phone = request.form.get('phone', '')
+            address = request.form.get('address', '')
+            inn = request.form.get('inn', '')
+            contractor_type_id = request.form['contractor_type_id']
+            rating = request.form.get('rating', 0.0)
+
+            # Проверяем уникальность ИНН
+            if inn:
+                existing = conn.execute(
+                    'SELECT id FROM Clients WHERE inn = ? AND id != ?',
+                    (inn, client_id)
+                ).fetchone()
+                if existing:
+                    flash('Клиент с таким ИНН уже существует', 'error')
+                    conn.close()
+                    return redirect(url_for('edit_client', client_id=client_id))
+
+            conn.execute('''
+                UPDATE Clients 
+                SET name = ?, director = ?, email = ?, phone = ?, 
+                    address = ?, inn = ?, contractor_type_id = ?, rating = ?
+                WHERE id = ?
+            ''', (name, director, email, phone, address, inn, contractor_type_id, rating, client_id))
+
+            conn.commit()
+            conn.close()
+            flash('Данные обновлены!', 'success')
+            return redirect(url_for('index'))
+
+        except Exception as e:
+            flash(f'Ошибка: {str(e)}', 'error')
+            conn.close()
+            return redirect(url_for('edit_client', client_id=client_id))
+
+    # GET запрос
+    client = conn.execute('''
+        SELECT c.*, ct.type_name as contractor_type_name
+        FROM Clients c 
+        LEFT JOIN ContractorType ct ON c.contractor_type_id = ct.id
+        WHERE c.id = ?
+    ''', (client_id,)).fetchone()
+
+    contractor_types = conn.execute('SELECT * FROM ContractorType ORDER BY type_name').fetchall()
+    conn.close()
+
+    if not client:
+        flash('Клиент не найден', 'error')
+        return redirect(url_for('index'))
+
+    return render_template('edit_client.html', client=client, contractor_types=contractor_types)
+
+# ========== МАРШРУТЫ ДЛЯ ЗАКАЗОВ ==========
+
+@app.route('/order_history/<int:client_id>')
+def order_history(client_id):
+    conn = get_db_connection()
+
+    client = conn.execute('''
+        SELECT c.*, ct.type_name as contractor_type_name
+        FROM Clients c 
+        LEFT JOIN ContractorType ct ON c.contractor_type_id = ct.id
+        WHERE c.id = ?
+    ''', (client_id,)).fetchone()
+
+    if not client:
+        conn.close()
+        flash('Клиент не найден', 'error')
+        return redirect(url_for('index'))
+
+    # Получаем все заказы
+    orders = conn.execute('''
+        SELECT o.*
+        FROM Orders o
+        WHERE o.client_id = ?
+        ORDER BY o.order_date DESC, o.id DESC
+    ''', (client_id,)).fetchall()
+    
+    orders_with_items = []
+    
+    for order in orders:
+        order_dict = dict(order)
+        
+        # Получаем позиции для заказа
+        items = conn.execute('''
+            SELECT oi.*, cat.product_name, cat.article, 
+                   cat2.category_name, m.material_name
+            FROM OrderItems oi
+            JOIN Catalog cat ON oi.product_id = cat.id
+            LEFT JOIN Categories cat2 ON cat.category_id = cat2.id
+            LEFT JOIN Materials m ON cat.material_id = m.id
+            WHERE oi.order_id = ?
+        ''', (order['id'],)).fetchall()
+        
+        # Рассчитываем базовую стоимость (сумма quantity * price_at_moment)
+        base_amount = 0
+        items_list = []
+        
+        for item in items:
+            item_dict = dict(item)
+            # Рассчитываем стоимость позиции
+            item_total = item_dict['quantity'] * item_dict['price_at_moment']
+            item_dict['item_total'] = item_total
+            base_amount += item_total
+            items_list.append(item_dict)
+        
+        # Транспортные расходы (10% от базовой стоимости)
+        shipping_cost = base_amount * 0.1
+        
+        # Получаем скидку клиента
+        try:
+            if order_dict['order_date']:
+                order_year = datetime.strptime(order_dict['order_date'], '%Y-%m-%d').year
+            else:
+                order_year = datetime.now().year
+        except:
+            order_year = datetime.now().year
+            
+        discount = calculate_supplier_discount(client_id, order_year)
+        
+        # Рассчитываем итоговую стоимость с учётом скидки
+        total_with_shipping = base_amount + shipping_cost
+        total_amount_calculated = total_with_shipping * (1 - discount / 100) if discount > 0 else total_with_shipping
+        
+        # Добавляем рассчитанные поля в словарь заказа
+        order_dict['base_amount'] = base_amount
+        order_dict['shipping_cost'] = shipping_cost
+        order_dict['discount'] = discount
+        order_dict['total_amount_calculated'] = total_amount_calculated
+        order_dict['display_total'] = order_dict.get('total_amount', total_amount_calculated)
+        order_dict['order_items'] = items_list
+        order_dict['items_count'] = len(items_list)
+        
+        orders_with_items.append(order_dict)
+
+    # Считаем общую статистику
+    total_stats = conn.execute('''
+        SELECT 
+            COUNT(DISTINCT o.id) as total_orders,
+            SUM(o.total_amount) as total_amount,
+            SUM(CASE WHEN o.status = 'Выполнен' THEN 1 ELSE 0 END) as completed_orders,
+            COALESCE(SUM(oi.quantity), 0) as total_quantity
+        FROM Orders o
+        LEFT JOIN OrderItems oi ON o.id = oi.order_id
+        WHERE o.client_id = ?
+    ''', (client_id,)).fetchone()
+
+    conn.close()
+
+    return render_template('order_history.html',
+                           client=client,
+                           orders=orders_with_items,
+                           total_stats=total_stats)
+
+@app.route('/update_order_status/<int:order_id>', methods=['POST'])
+def update_order_status(order_id):
+    """Обновление статуса заказа"""
+    try:
+        new_status = request.form['status']
+        
+        conn = get_db_connection()
+        conn.execute('UPDATE Orders SET status = ? WHERE id = ?', (new_status, order_id))
+        conn.commit()
+        conn.close()
+        
+        flash(f'Статус заказа обновлен на "{new_status}"', 'success')
+    except Exception as e:
+        flash(f'Ошибка при обновлении статуса: {str(e)}', 'error')
+    
+    return redirect(request.referrer or url_for('orders_list'))
+
+@app.route('/add_order/<int:client_id>', methods=['GET', 'POST'])
+def add_order(client_id):
+    if request.method == 'POST':
+        try:
+            order_date = request.form['order_date']
+            status = request.form.get('status', 'Новый')
+            
+            conn = get_db_connection()
+            
+            # Проверяем наличие таблицы OrderItems
+            cursor = conn.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='OrderItems'")
+            has_orderitems = cursor.fetchone() is not None
+            
+            if has_orderitems:
+                # Новая структура
+                cursor = conn.execute('''
+                    INSERT INTO Orders (client_id, order_date, status, total_amount)
+                    VALUES (?, ?, ?, 0)
+                ''', (client_id, order_date, status))
+                
+                order_id = cursor.lastrowid
+                
+                # Получаем позиции из формы
+                product_ids = request.form.getlist('product_id[]')
+                quantities = request.form.getlist('quantity[]')
+                
+                total = 0
+                
+                for i in range(len(product_ids)):
+                    if product_ids[i] and quantities[i]:
+                        product_id = int(product_ids[i])
+                        quantity = int(quantities[i])
+                        
+                        # Получаем цену товара
+                        product = conn.execute('SELECT min_price FROM Catalog WHERE id = ?', (product_id,)).fetchone()
+                        
+                        if product:
+                            price = product['min_price']
+                            
+                            # Добавляем позицию
+                            conn.execute('''
+                                INSERT INTO OrderItems (order_id, product_id, quantity, price_at_moment)
+                                VALUES (?, ?, ?, ?)
+                            ''', (order_id, product_id, quantity, price))
+                            
+                            # Считаем сумму с транспортными расходами
+                            total += quantity * price * 1.1
+                
+                # Рассчитываем скидку
+                year = datetime.strptime(order_date, '%Y-%m-%d').year
+                discount = calculate_supplier_discount(client_id, year)
+                
+                # Применяем скидку
+                total_with_discount = total * (1 - discount/100)
+                
+                # Обновляем сумму заказа
+                conn.execute('UPDATE Orders SET total_amount = ? WHERE id = ?', (total_with_discount, order_id))
+                
+                discount_msg = f' Применена накопительная скидка {discount}% (экономия {total * discount/100:.2f} руб.)' if discount > 0 else ''
+                
+            else:
+                # Старая структура (для совместимости)
+                product_id = request.form.get('product_id')
+                quantity = int(request.form.get('quantity', 1))
+                
+                product = conn.execute('SELECT min_price FROM Catalog WHERE id = ?', (product_id,)).fetchone()
+                
+                if not product:
+                    flash('Товар не найден', 'error')
+                    return redirect(url_for('add_order', client_id=client_id))
+                
+                base_amount = product['min_price'] * quantity
+                total_amount = base_amount * 1.1  # с транспортом
+                
+                cursor = conn.execute('''
+                    INSERT INTO Orders (client_id, product_id, quantity, order_date, total_amount, status)
+                    VALUES (?, ?, ?, ?, ?, ?)
+                ''', (client_id, product_id, quantity, order_date, total_amount, status))
+                
+                order_id = cursor.lastrowid
+                discount_msg = ''
+            
+            conn.commit()
+            conn.close()
+            
+            flash(f'Заказ успешно добавлен!{discount_msg}', 'success')
+            return redirect(url_for('order_history', client_id=client_id))
+
+        except Exception as e:
+            flash(f'Ошибка при добавлении заказа: {str(e)}', 'error')
+            return redirect(url_for('add_order', client_id=client_id))
+
+    # GET запрос
+    conn = get_db_connection()
+
+    client = conn.execute('''
+        SELECT c.*, ct.type_name as contractor_type_name
+        FROM Clients c 
+        LEFT JOIN ContractorType ct ON c.contractor_type_id = ct.id
+        WHERE c.id = ?
+    ''', (client_id,)).fetchone()
+
+    products = conn.execute('''
+        SELECT cat.*, c.category_name, m.material_name
+        FROM Catalog cat
+        LEFT JOIN Categories c ON cat.category_id = c.id
+        LEFT JOIN Materials m ON cat.material_id = m.id
+        ORDER BY c.category_name, cat.product_name
+    ''').fetchall()
+
+    conn.close()
+
+    if not client:
+        flash('Клиент не найден', 'error')
+        return redirect(url_for('index'))
+
+    today = datetime.now().strftime('%Y-%m-%d')
+
+    return render_template('add_order.html', client=client, products=products, today=today)
+
+@app.route('/orders_list')
+def orders_list():
+    """Список всех заказов"""
+    conn = get_db_connection()
+    
+    # Получаем всех клиентов для выпадающего списка
+    clients = conn.execute('''
+        SELECT id, name FROM Clients ORDER BY name
+    ''').fetchall()
+    
+    # Проверяем наличие таблицы OrderItems
+    cursor = conn.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='OrderItems'")
+    has_orderitems = cursor.fetchone() is not None
+    
+    if has_orderitems:
+        # Новая структура
+        orders = conn.execute('''
+            SELECT 
+                o.id,
+                o.client_id,
+                o.order_date,
+                o.total_amount,
+                o.status,
+                c.name as client_name,
+                c.inn as client_inn,
+                COUNT(oi.id) as items_count,
+                SUM(oi.quantity) as total_quantity,
+                GROUP_CONCAT(cat.product_name, ', ') as products_list
+            FROM Orders o
+            LEFT JOIN Clients c ON o.client_id = c.id
+            LEFT JOIN OrderItems oi ON o.id = oi.order_id
+            LEFT JOIN Catalog cat ON oi.product_id = cat.id
+            GROUP BY o.id
+            ORDER BY o.order_date DESC, o.id DESC
+            LIMIT 100
+        ''').fetchall()
+        
+        # Считаем общую статистику
+        total_stats = conn.execute('''
+            SELECT 
+                COUNT(*) as total_orders,
+                SUM(o.total_amount) as total_amount,
+                SUM(CASE WHEN o.status = 'Выполнен' THEN 1 ELSE 0 END) as completed_orders
+            FROM Orders o
+        ''').fetchone()
+        
+    else:
+        # Старая структура (с product_id и quantity в Orders)
+        orders = conn.execute('''
+            SELECT 
+                o.id,
+                o.client_id,
+                o.order_date,
+                o.total_amount,
+                o.status,
+                o.quantity,
+                c.name as client_name,
+                c.inn as client_inn,
+                cat.product_name,
+                cat.article,
+                cat2.category_name
+            FROM Orders o
+            LEFT JOIN Clients c ON o.client_id = c.id
+            LEFT JOIN Catalog cat ON o.product_id = cat.id
+            LEFT JOIN Categories cat2 ON cat.category_id = cat2.id
+            ORDER BY o.order_date DESC, o.id DESC
+            LIMIT 100
+        ''').fetchall()
+        
+        # Считаем общую статистику
+        total_stats = conn.execute('''
+            SELECT 
+                COUNT(*) as total_orders,
+                SUM(quantity) as total_quantity,
+                SUM(total_amount) as total_amount,
+                SUM(CASE WHEN status = 'Выполнен' THEN 1 ELSE 0 END) as completed_orders
+            FROM Orders
+        ''').fetchone()
+    
+    conn.close()
+    
+    return render_template('orders_list.html', orders=orders, total_stats=total_stats, clients=clients, has_orderitems=has_orderitems)
+
+# ========== МАРШРУТ ДЛЯ КАТАЛОГА ==========
+
+@app.route('/catalog')
+def catalog():
+    conn = get_db_connection()
+    
+    # Получаем список всех категорий для фильтра
+    categories = conn.execute('SELECT * FROM Categories ORDER BY category_name').fetchall()
+    
+    # Получаем список всех поставщиков для фильтра
+    suppliers = conn.execute('SELECT id, name FROM Clients ORDER BY name').fetchall()
+    
+    # Получаем параметры фильтрации из URL
+    search_query = request.args.get('search', '')
+    category_id = request.args.get('category', 'all')
+    supplier_id = request.args.get('supplier', 'all')
+    sort_by = request.args.get('sort', 'name_asc')
+    
+    # Базовый SQL запрос с добавлением поставщика
+    sql = '''
+        SELECT cat.*, c.category_name, m.material_name, m.color,
+               cl.name as supplier_name, cl.id as supplier_id
+        FROM Catalog cat
+        LEFT JOIN Categories c ON cat.category_id = c.id
+        LEFT JOIN Materials m ON cat.material_id = m.id
+        LEFT JOIN Clients cl ON m.supplier = cl.name
+        WHERE 1=1
+    '''
+    params = []
+    
+    # Поиск по названию или артикулу
+    if search_query:
+        sql += " AND (cat.product_name LIKE ? OR cat.article LIKE ?)"
+        params.extend([f'%{search_query}%', f'%{search_query}%'])
+    
+    # Фильтр по категории
+    if category_id != 'all':
+        sql += " AND cat.category_id = ?"
+        params.append(category_id)
+    
+    # Фильтр по поставщику
+    if supplier_id != 'all':
+        sql += " AND cl.id = ?"
+        params.append(supplier_id)
+    
+    # Сортировка
+    if sort_by == 'name_asc':
+        sql += " ORDER BY cat.product_name ASC"
+    elif sort_by == 'name_desc':
+        sql += " ORDER BY cat.product_name DESC"
+    elif sort_by == 'price_asc':
+        sql += " ORDER BY cat.min_price ASC"
+    elif sort_by == 'price_desc':
+        sql += " ORDER BY cat.min_price DESC"
+    elif sort_by == 'stock_desc':
+        sql += " ORDER BY cat.quantity_in_stock DESC"
+    else:
+        sql += " ORDER BY cat.product_name ASC"
+    
+    # Выполняем запрос
+    products = conn.execute(sql, params).fetchall()
+    
+    # Получаем количество товаров в корзине для бейджа
+    cart_count = 0
+    if 'cart' in session:
+        cart_count = len(session['cart'])
+    
+    conn.close()
+    
+    return render_template('catalog.html', 
+                         products=products, 
+                         categories=categories,
+                         suppliers=suppliers,
+                         cart_count=cart_count)
+
+# ========== МАРШРУТЫ ДЛЯ УПРАВЛЕНИЯ ТОВАРАМИ ==========
+
+@app.route('/add_product', methods=['GET', 'POST'])
+def add_product():
+    """Добавление нового товара"""
+    if request.method == 'POST':
+        try:
+            product_name = request.form['product_name']
+            article = request.form['article']
+            category_id = request.form['category_id']
+            material_id = request.form.get('material_id') or None
+            description = request.form.get('description', '')
+            min_price = float(request.form['min_price'])
+            quantity_in_stock = int(request.form.get('quantity_in_stock', 0))
+
+            conn = get_db_connection()
+            
+            # Проверяем уникальность артикула
+            existing = conn.execute('SELECT id FROM Catalog WHERE article = ?', (article,)).fetchone()
+            if existing:
+                flash('Товар с таким артикулом уже существует', 'error')
+                conn.close()
+                return redirect(url_for('add_product'))
+
+            conn.execute('''
+                INSERT INTO Catalog (product_name, article, category_id, material_id, description, min_price, quantity_in_stock)
+                VALUES (?, ?, ?, ?, ?, ?, ?)
+            ''', (product_name, article, category_id, material_id, description, min_price, quantity_in_stock))
+
+            conn.commit()
+            conn.close()
+            
+            flash('Товар успешно добавлен!', 'success')
+            return redirect(url_for('catalog'))
+
+        except Exception as e:
+            flash(f'Ошибка: {str(e)}', 'error')
+            return redirect(url_for('add_product'))
+
+    # GET запрос
+    conn = get_db_connection()
+    categories = conn.execute('SELECT * FROM Categories ORDER BY category_name').fetchall()
+    materials = conn.execute('SELECT * FROM Materials ORDER BY material_name').fetchall()
+    conn.close()
+    
+    return render_template('add_product.html', categories=categories, materials=materials)
+
+@app.route('/edit_product/<int:product_id>', methods=['GET', 'POST'])
+def edit_product(product_id):
+    """Редактирование товара"""
+    conn = get_db_connection()
+
+    if request.method == 'POST':
+        try:
+            product_name = request.form['product_name']
+            article = request.form['article']
+            category_id = request.form['category_id']
+            material_id = request.form.get('material_id') or None
+            description = request.form.get('description', '')
+            min_price = float(request.form['min_price'])
+            quantity_in_stock = int(request.form.get('quantity_in_stock', 0))
+
+            # Проверяем уникальность артикула (исключая текущий товар)
+            existing = conn.execute(
+                'SELECT id FROM Catalog WHERE article = ? AND id != ?',
+                (article, product_id)
+            ).fetchone()
+            if existing:
+                flash('Товар с таким артикулом уже существует', 'error')
+                conn.close()
+                return redirect(url_for('edit_product', product_id=product_id))
+
+            conn.execute('''
+                UPDATE Catalog 
+                SET product_name = ?, article = ?, category_id = ?, material_id = ?, 
+                    description = ?, min_price = ?, quantity_in_stock = ?
+                WHERE id = ?
+            ''', (product_name, article, category_id, material_id, description, min_price, quantity_in_stock, product_id))
+
+            conn.commit()
+            conn.close()
+            
+            flash('Товар успешно обновлен!', 'success')
+            return redirect(url_for('catalog'))
+
+        except Exception as e:
+            flash(f'Ошибка: {str(e)}', 'error')
+            return redirect(url_for('edit_product', product_id=product_id))
+
+    # GET запрос
+    product = conn.execute('''
+        SELECT cat.*, c.category_name, m.material_name
+        FROM Catalog cat
+        LEFT JOIN Categories c ON cat.category_id = c.id
+        LEFT JOIN Materials m ON cat.material_id = m.id
+        WHERE cat.id = ?
+    ''', (product_id,)).fetchone()
+
+    categories = conn.execute('SELECT * FROM Categories ORDER BY category_name').fetchall()
+    materials = conn.execute('SELECT * FROM Materials ORDER BY material_name').fetchall()
+    conn.close()
+
+    if not product:
+        flash('Товар не найден', 'error')
+        return redirect(url_for('catalog'))
+
+    return render_template('edit_product.html', product=product, categories=categories, materials=materials)
+
+@app.route('/delete_product/<int:product_id>', methods=['POST'])
+def delete_product(product_id):
+    """Удаление товара"""
+    try:
+        conn = get_db_connection()
+        
+        # Проверяем наличие таблицы OrderItems
+        cursor = conn.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='OrderItems'")
+        has_orderitems = cursor.fetchone() is not None
+        
+        if has_orderitems:
+            # Новая структура
+            items = conn.execute('SELECT COUNT(*) as count FROM OrderItems WHERE product_id = ?', (product_id,)).fetchone()
+            if items['count'] > 0:
+                flash('Нельзя удалить товар, который есть в заказах', 'error')
+                conn.close()
+                return redirect(url_for('catalog'))
+        else:
+            # Старая структура
+            orders = conn.execute('SELECT COUNT(*) as count FROM Orders WHERE product_id = ?', (product_id,)).fetchone()
+            if orders['count'] > 0:
+                flash('Нельзя удалить товар, который есть в заказах', 'error')
+                conn.close()
+                return redirect(url_for('catalog'))
+        
+        conn.execute('DELETE FROM Catalog WHERE id = ?', (product_id,))
+        conn.commit()
+        conn.close()
+        
+        flash('Товар успешно удален', 'success')
+    except Exception as e:
+        flash(f'Ошибка при удалении: {str(e)}', 'error')
+    
+    return redirect(url_for('catalog'))
+
+# ========== МАРШРУТЫ ДЛЯ КОРЗИНЫ ==========
+
+@app.route('/cart')
+def view_cart():
+    """Просмотр корзины"""
+    cart = session.get('cart', {})
+    cart_items = []
+    total_amount = 0
+    
+    conn = get_db_connection()
+    
+    for key, item_data in cart.items():
+        product_id = item_data['product_id']
+        quantity = item_data['quantity']
+        supplier_id = item_data.get('supplier_id')
+        
+        product = conn.execute('''
+            SELECT cat.*, c.category_name, m.material_name, cat.quantity_in_stock
+            FROM Catalog cat
+            LEFT JOIN Categories c ON cat.category_id = c.id
+            LEFT JOIN Materials m ON cat.material_id = m.id
+            WHERE cat.id = ?
+        ''', (product_id,)).fetchone()
+        
+        if product:
+            # Получаем информацию о поставщике
+            supplier = None
+            if supplier_id:
+                supplier = conn.execute('SELECT name FROM Clients WHERE id = ?', (supplier_id,)).fetchone()
+            
+            cart_items.append({
+                'key': key,
+                'product_id': product_id,
+                'supplier_id': supplier_id,
+                'supplier_name': supplier['name'] if supplier else 'Не указан',
+                'product_name': product['product_name'],
+                'article': product['article'],
+                'category_name': product['category_name'],
+                'material_name': product['material_name'],
+                'price': product['min_price'],
+                'quantity': quantity,
+                'in_stock': product['quantity_in_stock'] or 0
+            })
+            total_amount += product['min_price'] * quantity
+    
+    conn.close()
+    
+    return render_template('cart_new.html', cart_items=cart_items, total_amount=total_amount)
+
+@app.route('/add_to_cart/<int:product_id>', methods=['POST'])
+def add_to_cart(product_id):
+    """Добавление товара в корзину с выбором поставщика"""
+    quantity = int(request.form.get('quantity', 1))
+    supplier_id = request.form.get('supplier_id')
+    
+    if not supplier_id:
+        flash('Пожалуйста, выберите поставщика', 'error')
+        return redirect(url_for('catalog'))
+    
+    # Получаем информацию о товаре для проверки наличия
+    conn = get_db_connection()
+    product = conn.execute('SELECT quantity_in_stock FROM Catalog WHERE id = ?', (product_id,)).fetchone()
+    conn.close()
+    
+    if not product or product['quantity_in_stock'] < quantity:
+        flash('Недостаточно товара на складе', 'error')
+        return redirect(url_for('catalog'))
+    
+    cart = session.get('cart', {})
+    
+    # Создаем уникальный ключ для комбинации товар + поставщик
+    key = f"{product_id}_{supplier_id}"
+    
+    if key in cart:
+        cart[key]['quantity'] += quantity
+    else:
+        cart[key] = {
+            'product_id': product_id,
+            'supplier_id': int(supplier_id),
+            'quantity': quantity
+        }
+    
+    session['cart'] = cart
+    flash('Товар добавлен в корзину!', 'success')
+    
+    return redirect(url_for('catalog'))
+
+@app.route('/update_cart/<path:item_key>', methods=['POST'])
+def update_cart(item_key):
+    """Обновление количества товара в корзине"""
+    quantity = int(request.form.get('quantity', 1))
+    
+    cart = session.get('cart', {})
+    
+    if item_key in cart:
+        if quantity > 0:
+            cart[item_key]['quantity'] = quantity
+        else:
+            cart.pop(item_key, None)
+    
+    session['cart'] = cart
+    
+    return redirect(url_for('view_cart'))
+
+@app.route('/remove_from_cart/<path:item_key>', methods=['POST'])
+def remove_from_cart(item_key):
+    """Удаление товара из корзины"""
+    cart = session.get('cart', {})
+    cart.pop(item_key, None)
+    session['cart'] = cart
+    
+    return redirect(url_for('view_cart'))
+
+@app.route('/checkout', methods=['POST'])
+def checkout():
+    """Оформление заказа из корзины"""
+    cart = session.get('cart', {})
+    
+    if not cart:
+        flash('Корзина пуста', 'error')
+        return redirect(url_for('catalog'))
+    
+    # Группируем товары по поставщикам для создания отдельных заказов
+    orders_by_supplier = {}
+    
+    conn = get_db_connection()
+    
+    for key, item_data in cart.items():
+        supplier_id = item_data['supplier_id']
+        product_id = item_data['product_id']
+        quantity = item_data['quantity']
+        
+        if supplier_id not in orders_by_supplier:
+            orders_by_supplier[supplier_id] = []
+        
+        # Получаем цену товара
+        product = conn.execute('SELECT min_price FROM Catalog WHERE id = ?', (product_id,)).fetchone()
+        if product:
+            orders_by_supplier[supplier_id].append({
+                'product_id': product_id,
+                'quantity': quantity,
+                'price': product['min_price']
+            })
+    
+    # Создаем заказы для каждого поставщика
+    orders_created = 0
+    today = datetime.now().strftime('%Y-%m-%d')
+    
+    for supplier_id, items in orders_by_supplier.items():
+        # Считаем общую сумму с транспортом
+        total = 0
+        for item in items:
+            total += item['quantity'] * item['price'] * 1.1
+        
+        # Рассчитываем скидку
+        discount = calculate_supplier_discount(supplier_id, datetime.now().year)
+        total_with_discount = total * (1 - discount/100)
+        
+        # Создаем заказ
+        cursor = conn.execute('''
+            INSERT INTO Orders (client_id, order_date, total_amount, status)
+            VALUES (?, ?, ?, ?)
+        ''', (supplier_id, today, total_with_discount, 'Новый'))
+        
+        order_id = cursor.lastrowid
+        
+        # Добавляем позиции
+        for item in items:
+            conn.execute('''
+                INSERT INTO OrderItems (order_id, product_id, quantity, price_at_moment)
+                VALUES (?, ?, ?, ?)
+            ''', (order_id, item['product_id'], item['quantity'], item['price']))
+        
+        orders_created += 1
+    
+    conn.commit()
+    conn.close()
+    
+    # Очищаем корзину
+    session.pop('cart', None)
+    
+    flash(f'Заказ успешно оформлен! Создано {orders_created} заказов.', 'success')
+    return redirect(url_for('orders_list'))
+
+# ========== МАРШРУТ ДЛЯ МАТЕРИАЛОВ ==========
+
+@app.route('/materials')
+def materials():
+    """Список всех материалов"""
+    conn = get_db_connection()
+    
+    materials = conn.execute('''
+        SELECT * FROM Materials 
+        ORDER BY material_name
+    ''').fetchall()
+    
+    conn.close()
+    
+    return render_template('materials.html', materials=materials)
+
+# ========== СЛУЖЕБНЫЕ МАРШРУТЫ ==========
+
+@app.route('/favicon.ico')
+def favicon():
+    return send_from_directory(os.path.join(app.root_path, 'static'),
+                               'favicon.ico', mimetype='image/vnd.microsoft.icon')
+
+@app.route('/static/<path:filename>')
+def static_files(filename):
+    return send_from_directory(app.root_path + '/static', filename)
+
+if __name__ == '__main__':
+    app.run(debug=True)

static/css/style.css

@@ -0,0 +1,470 @@
+/* Подключаем шрифт Verdana */
+@import url('https://fonts.googleapis.com/css2?family=Verdana:wght@400;500;600;700&display=swap');
+
+:root {
+    --antique-white: #FAEBD7;
+    --light-brown: #DEB887;
+    --brown: #A0522D;
+    --dark-brown: #8B4513;
+    --text-dark: #2c3e50;
+    --text-light: #5D3A1A;
+}
+
+body {
+    font-family: 'Verdana', sans-serif;
+    background-color: var(--antique-white);
+    margin: 0;
+    padding: 0;
+}
+
+.main-container {
+    background-color: #ffffff;
+    min-height: 100vh;
+    padding: 20px;
+}
+
+.header {
+    background: linear-gradient(135deg, var(--brown) 0%, var(--light-brown) 100%);
+    padding: 25px;
+    border-radius: 12px;
+    margin-bottom: 35px;
+    color: white;
+    box-shadow: 0 6px 20px rgba(160, 82, 45, 0.3);
+}
+
+.logo-container {
+    display: flex;
+    align-items: center;
+    gap: 25px;
+}
+
+.logo {
+    height: 70px;
+    width: auto;
+    object-fit: contain;
+    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.2));
+}
+
+.header-title {
+    font-size: 2.5em;
+    font-weight: 700;
+    margin: 0;
+    text-shadow: 2px 2px 6px rgba(0,0,0,0.3);
+    letter-spacing: 0.5px;
+}
+
+.page-title {
+    color: var(--brown);
+    font-weight: 700;
+    border-bottom: 3px solid var(--light-brown);
+    padding-bottom: 10px;
+    margin-bottom: 25px;
+    font-family: 'Verdana', sans-serif;
+}
+
+/* Карточки партнеров */
+.partner-card {
+    border: 3px solid var(--light-brown);
+    border-radius: 15px;
+    padding: 25px;
+    margin-bottom: 25px;
+    background: #ffffff;
+    box-shadow: 0 6px 20px rgba(222, 184, 135, 0.25);
+    transition: transform 0.3s ease, box-shadow 0.3s ease;
+}
+
+.partner-card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 12px 25px rgba(160, 82, 45, 0.2);
+    border-color: var(--brown);
+}
+
+.partner-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    border-bottom: 3px solid var(--light-brown);
+    padding-bottom: 18px;
+    margin-bottom: 20px;
+}
+
+.partner-name-line {
+    display: flex;
+    align-items: center;
+    gap: 15px;
+    flex-wrap: wrap;
+}
+
+.partner-type {
+    font-size: 1.2em;
+    font-weight: 600;
+    color: var(--brown);
+    background: linear-gradient(135deg, var(--antique-white) 0%, #F5DEB3 100%);
+    padding: 8px 18px;
+    border-radius: 25px;
+    border: 2px solid var(--light-brown);
+}
+
+.partner-name {
+    font-size: 1.6em;
+    font-weight: 700;
+    color: var(--dark-brown);
+    margin: 0;
+}
+
+.divider {
+    color: var(--light-brown);
+    font-weight: bold;
+    font-size: 1.5em;
+}
+
+.discount-info {
+    display: flex;
+    align-items: center;
+    gap: 20px;
+}
+
+.discount-badge {
+    font-size: 1.2em;
+    padding: 10px 20px;
+    border-radius: 30px;
+    background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+    color: white;
+    font-weight: 600;
+    box-shadow: 0 3px 10px rgba(160, 82, 45, 0.3);
+}
+
+.sales-amount {
+    font-size: 1.1em;
+    color: var(--brown);
+    font-weight: 600;
+    background-color: var(--antique-white);
+    padding: 8px 15px;
+    border-radius: 8px;
+}
+
+.partner-info-row {
+    margin-bottom: 0;
+    padding: 8px 0;
+    line-height: 1.5;
+    border-bottom: 1px dashed var(--light-brown);
+}
+
+.partner-info-row:last-child {
+    border-bottom: none;
+}
+
+.partner-label {
+    font-weight: 700;
+    color: var(--brown);
+    min-width: 140px;
+    display: inline-block;
+    font-size: 1.05em;
+}
+
+.partner-value {
+    font-size: 1.05em;
+    color: var(--text-dark);
+    font-weight: 500;
+}
+
+.partner-buttons-container {
+    display: flex;
+    gap: 15px;
+    justify-content: flex-start;
+    margin-top: 25px;
+    padding-top: 20px;
+    border-top: 3px solid var(--light-brown);
+}
+
+.btn-action {
+    padding: 12px 25px;
+    font-size: 1em;
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    min-width: 200px;
+    justify-content: center;
+    border: none;
+    border-radius: 10px;
+    font-weight: 700;
+    transition: all 0.3s ease;
+    cursor: pointer;
+    letter-spacing: 0.5px;
+    color: white;
+}
+
+.btn-edit {
+    background: linear-gradient(135deg, var(--light-brown) 0%, var(--brown) 100%);
+}
+
+.btn-add {
+    background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+}
+
+.btn-history {
+    background: linear-gradient(135deg, #8B7355 0%, var(--dark-brown) 100%);
+}
+
+.btn-action:hover {
+    transform: translateY(-3px);
+    box-shadow: 0 8px 20px rgba(160, 82, 45, 0.25);
+    color: white;
+}
+
+.btn-new-partner {
+    background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+    color: white;
+    border: none;
+    padding: 14px 28px;
+    font-weight: 700;
+    border-radius: 10px;
+    font-size: 1.1em;
+    letter-spacing: 0.5px;
+}
+
+.btn-new-partner:hover {
+    background: linear-gradient(135deg, var(--dark-brown) 0%, var(--brown) 100%);
+    color: white;
+    transform: translateY(-3px);
+    box-shadow: 0 8px 20px rgba(160, 82, 45, 0.3);
+}
+
+.rating-badge {
+    font-size: 1em;
+    padding: 8px 16px;
+    border-radius: 20px;
+    background: linear-gradient(135deg, var(--light-brown) 0%, var(--brown) 100%);
+    color: white;
+    font-weight: 700;
+}
+
+.alert {
+    border-radius: 12px;
+    border: none;
+    background: linear-gradient(135deg, var(--antique-white) 0%, #F5DEB3 100%);
+    border-left: 6px solid var(--brown);
+    color: var(--text-dark);
+}
+
+.volume-info {
+    background: linear-gradient(135deg, var(--antique-white) 0%, #F5DEB3 100%);
+    padding: 12px 20px;
+    border-radius: 10px;
+    margin-top: 15px;
+    border: 2px solid var(--light-brown);
+}
+
+.volume-label {
+    font-weight: 700;
+    color: var(--brown);
+    font-size: 1.1em;
+}
+
+.volume-value {
+    color: var(--dark-brown);
+    font-weight: 700;
+    font-size: 1.2em;
+}
+
+/* Стили для страницы истории */
+.table-responsive {
+    border-radius: 12px;
+    overflow: hidden;
+    border: 3px solid var(--light-brown);
+    box-shadow: 0 6px 20px rgba(222, 184, 135, 0.3);
+}
+
+.table {
+    margin-bottom: 0;
+    border-collapse: separate;
+    border-spacing: 0;
+}
+
+.table th {
+    background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+    color: white;
+    font-weight: 700;
+    padding: 16px;
+    text-align: center;
+    font-size: 1.1em;
+    border: none;
+}
+
+.table td {
+    padding: 14px;
+    text-align: center;
+    vertical-align: middle;
+    border-bottom: 2px solid var(--light-brown);
+    font-size: 1.05em;
+}
+
+.table-striped tbody tr:nth-of-type(odd) {
+    background-color: rgba(222, 184, 135, 0.08);
+}
+
+.table-striped tbody tr:hover {
+    background-color: rgba(160, 82, 45, 0.1);
+    transition: background-color 0.3s ease;
+}
+
+.table tfoot {
+    background: linear-gradient(135deg, var(--antique-white) 0%, #F5DEB3 100%);
+    font-weight: 700;
+    font-size: 1.1em;
+}
+
+.table tfoot td {
+    border-top: 3px solid var(--brown);
+    padding: 18px;
+}
+
+.text-end {
+    text-align: right !important;
+}
+
+/* Стили для иконок */
+i {
+    color: var(--brown);
+    margin-right: 5px;
+}
+
+.btn-action i, .btn-new-partner i {
+    color: white;
+}
+
+/* Стили для блока с расчетом стоимости */
+.calculation-block {
+    background: linear-gradient(135deg, var(--antique-white) 0%, #F5DEB3 100%);
+    border: 3px solid var(--light-brown);
+    border-radius: 15px;
+    padding: 25px;
+    margin-bottom: 30px;
+    box-shadow: 0 6px 20px rgba(222, 184, 135, 0.25);
+}
+
+.calculation-title {
+    color: var(--brown);
+    font-weight: 700;
+    border-bottom: 3px solid var(--brown);
+    padding-bottom: 15px;
+    margin-bottom: 25px;
+}
+
+.calculation-result {
+    background-color: white;
+    border: 2px solid var(--light-brown);
+    border-radius: 10px;
+    padding: 20px;
+    margin-top: 20px;
+}
+
+.result-item {
+    padding: 10px 0;
+    border-bottom: 1px dashed var(--light-brown);
+}
+
+.result-item:last-child {
+    border-bottom: none;
+    font-weight: 700;
+    font-size: 1.2em;
+    color: var(--brown);
+}
+
+/* Стили для фильтров и сортировки - ВАЖНО! */
+.filter-section {
+    background: white !important;
+    border: 2px solid var(--light-brown) !important;
+    border-radius: 12px !important;
+    padding: 20px !important;
+    margin-bottom: 25px !important;
+    box-shadow: 0 2px 8px rgba(160, 82, 45, 0.1) !important;
+}
+
+.filter-title {
+    color: var(--brown) !important;
+    font-weight: 700 !important;
+    margin-bottom: 15px !important;
+    border-bottom: 2px solid var(--light-brown) !important;
+    padding-bottom: 10px !important;
+}
+
+.form-control, .form-select {
+    border: 2px solid var(--light-brown) !important;
+    border-radius: 8px !important;
+    padding: 10px 15px !important;
+    font-size: 1em !important;
+    transition: all 0.3s ease !important;
+    background-color: white !important;
+}
+
+.form-control:focus, .form-select:focus {
+    border-color: var(--brown) !important;
+    box-shadow: 0 0 0 0.25rem rgba(160, 82, 45, 0.25) !important;
+    outline: none !important;
+}
+
+.form-label {
+    color: var(--brown) !important;
+    font-weight: 600 !important;
+    margin-bottom: 5px !important;
+}
+
+/* Кнопки */
+.btn-primary {
+    background: var(--brown) !important;
+    color: white !important;
+    border: none !important;
+}
+
+.btn-primary:hover {
+    background: var(--dark-brown) !important;
+    transform: translateY(-1px) !important;
+    box-shadow: 0 4px 8px rgba(160, 82, 45, 0.2) !important;
+}
+
+.btn-secondary {
+    background: var(--antique-white) !important;
+    color: var(--brown) !important;
+    border: 1px solid var(--light-brown) !important;
+}
+
+.btn-secondary:hover {
+    background: var(--light-brown) !important;
+    color: white !important;
+}
+
+/* Адаптивность */
+@media (max-width: 768px) {
+    .table-responsive {
+        font-size: 0.9em;
+    }
+
+    .table th, .table td {
+        padding: 10px 6px;
+    }
+
+    .btn-action {
+        min-width: 150px;
+        padding: 10px 15px;
+        font-size: 0.9em;
+    }
+
+    .partner-card {
+        padding: 20px;
+    }
+
+    .header-title {
+        font-size: 1.8em;
+    }
+}
+
+/* Анимации */
+@keyframes fadeIn {
+    from { opacity: 0; transform: translateY(20px); }
+    to { opacity: 1; transform: translateY(0); }
+}
+
+.partner-card, .table-responsive, .calculation-block, .filter-section {
+    animation: fadeIn 0.5s ease-out;
+}

static/js/script.js

@@ -0,0 +1,37 @@
+document.addEventListener('DOMContentLoaded', function() {
+    // Кнопка нового партнера
+    const newPartnerBtn = document.querySelector('.btn-new-partner');
+    if (newPartnerBtn) {
+        newPartnerBtn.addEventListener('click', function() {
+            // Переход на страницу добавления партнера
+            window.location.href = '/add_partner';
+        });
+    }
+
+    // Кнопка "Редактирование"
+    document.querySelectorAll('.btn-edit').forEach(btn => {
+        btn.addEventListener('click', function() {
+            const partnerId = this.getAttribute('data-partner-id');
+            // Переход на страницу редактирования
+            window.location.href = `/edit_partner/${partnerId}`;
+        });
+    });
+
+    // Кнопка "Добавление продажи"
+    document.querySelectorAll('.btn-add').forEach(btn => {
+        btn.addEventListener('click', function() {
+            const partnerId = this.getAttribute('data-partner-id');
+            // Переход на страницу добавления продажи
+            window.location.href = `/add_sale/${partnerId}`;
+        });
+    });
+
+    // Кнопка "История реализации"
+    document.querySelectorAll('.btn-history').forEach(btn => {
+        btn.addEventListener('click', function() {
+            const partnerId = this.getAttribute('data-partner-id');
+            // Переход на страницу истории реализации
+            window.location.href = `/sales_history/${partnerId}`;
+        });
+    });
+});

templates/about.html

@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en" dir="ltr">
+  <head>
+    <meta charset="utf-8">
+    <title>About Flask</title>
+  </head>
+  <body>
+    {% extends "template.html" %}
+    {% block content %}
+
+    <h1> About Flask </h1>
+    <p> Flask is a micro web framework written in Python.</p>
+    <p> Applications that use the Flask framework include Pinterest,
+      LinkedIn, and the community web page for Flask itself.</p>
+
+    {% endblock %}
+  </body>
+</html>

templates/add_client.html

@@ -0,0 +1,521 @@
+{% extends "base.html" %}
+
+{% block title %}Добавление поставщика{% endblock %}
+
+{% block content %}
+<div class="container">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+            <!-- Хлебные крошки -->
+            <nav aria-label="breadcrumb" class="mb-3">
+                <ol class="breadcrumb">
+                    <li class="breadcrumb-item"><a href="{{ url_for('index') }}">Поставщики</a></li>
+                    <li class="breadcrumb-item active">Добавление поставщика</li>
+                </ol>
+            </nav>
+
+            <div class="form-card">
+                <div class="form-card-header">
+                    <h2 class="form-card-title">
+                        <i class="fas fa-truck"></i> Добавление нового поставщика
+                    </h2>
+                </div>
+                
+                <div class="form-card-body">
+                    {% with messages = get_flashed_messages(with_categories=true) %}
+                        {% if messages %}
+                            {% for category, message in messages %}
+                                <div class="alert alert-{{ 'danger' if category == 'error' else 'success' }} alert-dismissible fade show">
+                                    <i class="fas fa-{{ 'exclamation-circle' if category == 'error' else 'check-circle' }} me-2"></i>
+                                    {{ message }}
+                                    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+                                </div>
+                            {% endfor %}
+                        {% endif %}
+                    {% endwith %}
+
+                    <form method="POST" id="supplierForm">
+                        <div class="row">
+                            <!-- Левая колонка - Основная информация -->
+                            <div class="col-md-6">
+                                <h5 class="section-title">
+                                    <i class="fas fa-info-circle"></i> Основная информация
+                                </h5>
+
+                                <div class="form-group">
+                                    <label for="name" class="form-label">
+                                        <i class="fas fa-building"></i>
+                                        Название компании
+                                    </label>
+                                    <input type="text" class="form-control" id="name" name="name" 
+                                           required maxlength="255" placeholder="ООО 'СтройМатериалы'"
+                                           onkeypress="return blockNumbers(event)" onpaste="return blockNumbersPaste(event)">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="director" class="form-label">
+                                        <i class="fas fa-user-tie"></i>
+                                        Директор (ФИО)
+                                    </label>
+                                    <input type="text" class="form-control" id="director" name="director" 
+                                           maxlength="255" placeholder="Петров Петр Петрович"
+                                           onkeypress="return blockNumbers(event)" onpaste="return blockNumbersPaste(event)">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="contractor_type_id" class="form-label">
+                                        <i class="fas fa-tag"></i>
+                                        Тип поставщика
+                                    </label>
+                                    <select class="form-select" id="contractor_type_id" name="contractor_type_id" required>
+                                        <option value="" selected disabled>Выберите тип поставщика</option>
+                                        {% for type in contractor_types %}
+                                            <option value="{{ type.id }}">{{ type.type_name }}</option>
+                                        {% endfor %}
+                                    </select>
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="rating" class="form-label">
+                                        <i class="fas fa-star"></i>
+                                        Рейтинг надежности
+                                    </label>
+                                    <input type="number" class="form-control" id="rating" name="rating" 
+                                           min="0" max="5" step="0.1" value="5.0">
+                                    <div class="form-text">От 0 до 5 (чем выше, тем надежнее)</div>
+                                </div>
+                            </div>
+
+                            <!-- Правая колонка - Контактные данные -->
+                            <div class="col-md-6">
+                                <h5 class="section-title">
+                                    <i class="fas fa-address-card"></i> Контактные данные
+                                </h5>
+
+                                <div class="form-group">
+                                    <label for="email" class="form-label">
+                                        <i class="fas fa-envelope"></i>
+                                        Email
+                                    </label>
+                                    <input type="email" class="form-control" id="email" name="email" 
+                                           required maxlength="255" placeholder="info@stroymaterial.ru">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="phone" class="form-label">
+                                        <i class="fas fa-phone"></i>
+                                        Телефон
+                                    </label>
+                                    <input type="tel" class="form-control" id="phone" name="phone" 
+                                           maxlength="50" placeholder="+7 (495) 123-45-67"
+                                           onkeypress="return allowPhoneNumbers(event)">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="inn" class="form-label">
+                                        <i class="fas fa-id-card"></i>
+                                        ИНН
+                                    </label>
+                                    <input type="text" class="form-control" id="inn" name="inn" 
+                                           maxlength="12" placeholder="1234567890"
+                                           onkeypress="return allowOnlyNumbers(event)" onpaste="return allowNumbersPaste(event)">
+                                    <div class="form-text">10 или 12 цифр</div>
+                                </div>
+                            </div>
+
+                            <!-- Адрес на всю ширину -->
+                            <div class="col-12">
+                                <div class="form-group">
+                                    <label for="address" class="form-label">
+                                        <i class="fas fa-map-marker-alt"></i>
+                                        Юридический адрес
+                                    </label>
+                                    <textarea class="form-control" id="address" name="address" 
+                                              rows="2" maxlength="500" placeholder="г. Москва, ул. Строителей, д. 1"></textarea>
+                                </div>
+                            </div>
+                        </div>
+
+                        <!-- Кнопки -->
+                        <div class="form-actions">
+                            <a href="{{ url_for('index') }}" class="btn btn-outline">
+                                <i class="fas fa-times"></i> Отмена
+                            </a>
+                            <button type="submit" class="btn btn-primary">
+                                <i class="fas fa-save"></i> Добавить поставщика
+                            </button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<style>
+    /* ===== ОСНОВНЫЕ ПЕРЕМЕННЫЕ ===== */
+    :root {
+        --antique-white: #FAEBD7;
+        --light-brown: #DEB887;
+        --brown: #A0522D;
+        --dark-brown: #8B4513;
+    }
+
+    /* ===== ХЛЕБНЫЕ КРОШКИ ===== */
+    .breadcrumb {
+        background: none;
+        padding: 0;
+    }
+    
+    .breadcrumb-item a {
+        color: var(--brown);
+        text-decoration: none;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .breadcrumb-item a:hover {
+        text-decoration: underline;
+    }
+    
+    .breadcrumb-item.active {
+        color: #6c757d;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .breadcrumb-item + .breadcrumb-item::before {
+        color: var(--light-brown);
+    }
+
+    /* ===== КАРТОЧКА ФОРМЫ ===== */
+    .form-card {
+        background: white;
+        border: 1px solid var(--light-brown);
+        border-radius: 16px;
+        box-shadow: 0 4px 20px rgba(160, 82, 45, 0.1);
+        overflow: hidden;
+    }
+    
+    .form-card-header {
+        background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+        padding: 20px 25px;
+        color: white;
+    }
+    
+    .form-card-title {
+        font-size: 1.4rem;
+        font-weight: 600;
+        font-family: 'Verdana', sans-serif;
+        margin: 0;
+    }
+    
+    .form-card-title i {
+        margin-right: 10px;
+        color: white;
+    }
+    
+    .form-card-body {
+        padding: 25px;
+    }
+
+    /* ===== ЗАГОЛОВКИ СЕКЦИЙ ===== */
+    .section-title {
+        color: var(--brown);
+        font-size: 1.1rem;
+        font-weight: 600;
+        margin-bottom: 20px;
+        padding-bottom: 10px;
+        border-bottom: 2px solid var(--light-brown);
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .section-title i {
+        color: var(--brown);
+        margin-right: 8px;
+    }
+
+    /* ===== ЭЛЕМЕНТЫ ФОРМЫ ===== */
+    .form-group {
+        margin-bottom: 20px;
+    }
+    
+    .form-label {
+        display: flex;
+        align-items: center;
+        gap: 6px;
+        color: var(--brown);
+        font-weight: 600;
+        font-size: 0.95rem;
+        margin-bottom: 6px;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .form-label i {
+        color: var(--brown);
+        font-size: 1rem;
+    }
+    
+    .form-control, .form-select {
+        width: 100%;
+        height: 42px;
+        padding: 0 12px;
+        border: 2px solid var(--light-brown);
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-family: 'Verdana', sans-serif;
+        transition: all 0.2s ease;
+        background: white;
+    }
+    
+    .form-control:focus, .form-select:focus {
+        outline: none;
+        border-color: var(--brown);
+        box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.1);
+    }
+    
+    .form-control:hover, .form-select:hover {
+        border-color: var(--brown);
+    }
+    
+    textarea.form-control {
+        height: auto;
+        padding: 10px 12px;
+        resize: vertical;
+    }
+    
+    .form-text {
+        font-size: 0.8rem;
+        color: #6c757d;
+        margin-top: 4px;
+        font-family: 'Verdana', sans-serif;
+    }
+
+    /* ===== КНОПКИ ===== */
+    .form-actions {
+        display: flex;
+        justify-content: space-between;
+        margin-top: 25px;
+        padding-top: 20px;
+        border-top: 2px solid var(--light-brown);
+    }
+    
+    .btn {
+        padding: 10px 25px;
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-weight: 500;
+        font-family: 'Verdana', sans-serif;
+        transition: all 0.2s ease;
+        border: none;
+        cursor: pointer;
+        display: inline-flex;
+        align-items: center;
+        gap: 8px;
+        text-decoration: none;
+    }
+    
+    .btn-primary {
+        background: var(--brown);
+        color: white;
+    }
+    
+    .btn-primary:hover {
+        background: var(--dark-brown);
+        transform: translateY(-2px);
+        box-shadow: 0 4px 12px rgba(160, 82, 45, 0.3);
+    }
+    
+    .btn-outline {
+        background: white;
+        border: 2px solid var(--light-brown);
+        color: var(--brown);
+    }
+    
+    .btn-outline:hover {
+        background: var(--antique-white);
+        border-color: var(--brown);
+        transform: translateY(-2px);
+    }
+
+    /* ===== АЛЕРТЫ ===== */
+    .alert {
+        border-radius: 10px;
+        border: 1px solid var(--light-brown);
+        font-family: 'Verdana', sans-serif;
+        margin-bottom: 20px;
+    }
+    
+    .alert-success {
+        background: var(--antique-white);
+        color: var(--brown);
+        border-left: 4px solid #28a745;
+    }
+    
+    .alert-danger {
+        background: var(--antique-white);
+        color: #721c24;
+        border-left: 4px solid #dc3545;
+    }
+
+    /* ===== ИКОНКИ ===== */
+    i {
+        color: var(--brown);
+    }
+    
+    .btn-primary i, .btn-outline i {
+        color: inherit;
+    }
+
+    /* ===== АДАПТИВНОСТЬ ===== */
+    @media (max-width: 768px) {
+        .form-card-body {
+            padding: 20px;
+        }
+        
+        .form-actions {
+            flex-direction: column-reverse;
+            gap: 10px;
+        }
+        
+        .form-actions .btn {
+            width: 100%;
+            justify-content: center;
+        }
+        
+        .col-md-6 {
+            width: 100%;
+        }
+        
+        .section-title {
+            margin-top: 15px;
+        }
+        
+        .section-title:first-of-type {
+            margin-top: 0;
+        }
+    }
+</style>
+
+{% block scripts %}
+<script>
+    // Запрет на ввод цифр в текстовые поля
+    function blockNumbers(event) {
+        const key = event.key;
+        if (key === ' ' || key === 'Backspace' || key === 'Delete' || key === 'Tab' || 
+            key === 'Enter' || key === 'ArrowLeft' || key === 'ArrowRight' || 
+            key === 'ArrowUp' || key === 'ArrowDown' || key === 'Home' || key === 'End') {
+            return true;
+        }
+        
+        if (key >= '0' && key <= '9') {
+            event.preventDefault();
+            alert('Цифры запрещены в этом поле');
+            return false;
+        }
+        return true;
+    }
+    
+    function blockNumbersPaste(event) {
+        event.preventDefault();
+        const pastedText = (event.clipboardData || window.clipboardData).getData('text');
+        const cleanedText = pastedText.replace(/[0-9]/g, '');
+        
+        const input = event.target;
+        const start = input.selectionStart;
+        const end = input.selectionEnd;
+        const currentValue = input.value;
+        const newValue = currentValue.substring(0, start) + cleanedText + currentValue.substring(end);
+        input.value = newValue;
+        
+        if (pastedText.match(/[0-9]/)) {
+            alert('Цифры были удалены из вставленного текста');
+        }
+    }
+    
+    // Только цифры для ИНН
+    function allowOnlyNumbers(event) {
+        const key = event.key;
+        if (key === 'Backspace' || key === 'Delete' || key === 'Tab' || 
+            key === 'Enter' || key === 'ArrowLeft' || key === 'ArrowRight' || 
+            key === 'ArrowUp' || key === 'ArrowDown' || key === 'Home' || key === 'End') {
+            return true;
+        }
+        
+        if (key >= '0' && key <= '9') {
+            return true;
+        }
+        
+        event.preventDefault();
+        return false;
+    }
+    
+    function allowNumbersPaste(event) {
+        event.preventDefault();
+        const pastedText = (event.clipboardData || window.clipboardData).getData('text');
+        const cleanedText = pastedText.replace(/[^0-9]/g, '');
+        
+        const input = event.target;
+        const start = input.selectionStart;
+        const end = input.selectionEnd;
+        const currentValue = input.value;
+        const newValue = currentValue.substring(0, start) + cleanedText + currentValue.substring(end);
+        input.value = newValue;
+    }
+    
+    // Для телефона
+    function allowPhoneNumbers(event) {
+        const key = event.key;
+        const allowedKeys = ['+', '-', '(', ')', ' '];
+        
+        if (key === 'Backspace' || key === 'Delete' || key === 'Tab' || 
+            key === 'Enter' || key === 'ArrowLeft' || key === 'ArrowRight' || 
+            key === 'ArrowUp' || key === 'ArrowDown' || key === 'Home' || key === 'End') {
+            return true;
+        }
+        
+        if (allowedKeys.includes(key)) {
+            return true;
+        }
+        
+        if (key >= '0' && key <= '9') {
+            return true;
+        }
+        
+        event.preventDefault();
+        return false;
+    }
+    
+    // Валидация формы
+    document.getElementById('supplierForm').addEventListener('submit', function(e) {
+        const inn = document.getElementById('inn').value;
+        const name = document.getElementById('name').value;
+        
+        if (name.match(/[0-9]/)) {
+            e.preventDefault();
+            alert('Название компании не должно содержать цифры');
+            return false;
+        }
+        
+        if (inn && !/^\d{10,12}$/.test(inn)) {
+            e.preventDefault();
+            alert('ИНН должен содержать 10 или 12 цифр');
+            return false;
+        }
+        
+        const rating = parseFloat(document.getElementById('rating').value);
+        if (rating < 0 || rating > 5) {
+            e.preventDefault();
+            alert('Рейтинг должен быть от 0 до 5');
+            return false;
+        }
+        
+        const email = document.getElementById('email').value;
+        const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+        if (!emailRegex.test(email)) {
+            e.preventDefault();
+            alert('Введите корректный email адрес');
+            return false;
+        }
+    });
+</script>
+{% endblock %}
+{% endblock %}

templates/add_order.html

@@ -0,0 +1,737 @@
+{% extends "base.html" %}
+
+{% block title %}Добавление заказа{% endblock %}
+
+{% block content %}
+<div class="container">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+            <!-- Хлебные крошки -->
+            <nav aria-label="breadcrumb" class="mb-3">
+                <ol class="breadcrumb">
+                    <li class="breadcrumb-item"><a href="{{ url_for('index') }}">Поставщики</a></li>
+                    <li class="breadcrumb-item"><a href="{{ url_for('order_history', client_id=client.id) }}">{{ client.name }}</a></li>
+                    <li class="breadcrumb-item active">Добавление заказа</li>
+                </ol>
+            </nav>
+
+            <div class="form-card">
+                <div class="form-card-header">
+                    <h2 class="form-card-title">
+                        <i class="fas fa-cart-plus"></i> Добавление заказа
+                    </h2>
+                </div>
+                
+                <div class="form-card-body">
+                    <!-- Информация о поставщике -->
+                    <div class="supplier-info mb-4">
+                        <div class="supplier-info-header">
+                            <i class="fas fa-truck"></i> Информация о поставщике
+                        </div>
+                        <div class="supplier-info-body">
+                            <div class="row">
+                                <div class="col-md-6">
+                                    <div class="info-item">
+                                        <span class="info-label">Поставщик:</span>
+                                        <span class="info-value">{{ client.name }}</span>
+                                    </div>
+                                    <div class="info-item">
+                                        <span class="info-label">Тип:</span>
+                                        <span class="info-value">{{ client.contractor_type_name }}</span>
+                                    </div>
+                                </div>
+                                <div class="col-md-6">
+                                    <div class="info-item">
+                                        <span class="info-label">Email:</span>
+                                        <span class="info-value">{{ client.email }}</span>
+                                    </div>
+                                    <div class="info-item">
+                                        <span class="info-label">Телефон:</span>
+                                        <span class="info-value">{{ client.phone or 'Не указан' }}</span>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+
+                    <form method="POST" id="orderForm">
+                        <div class="row">
+                            <div class="col-md-6">
+                                <div class="form-group">
+                                    <label for="product_id" class="form-label">
+                                        <i class="fas fa-cube"></i>
+                                        Материал
+                                    </label>
+                                    <div class="select-wrapper">
+                                        <select class="form-select modern-select" id="product_id" name="product_id" required>
+                                            <option value="" selected disabled>Выберите материал</option>
+                                            {% for product in products %}
+                                                <option value="{{ product.id }}"
+                                                        data-price="{{ product.min_price }}"
+                                                        data-name="{{ product.product_name }}"
+                                                        data-stock="{{ product.quantity_in_stock or 0 }}">
+                                                    {{ product.product_name }} ({{ product.article }}) - {{ product.min_price }} руб. (в наличии: {{ product.quantity_in_stock or 0 }})
+                                                </option>
+                                            {% endfor %}
+                                        </select>
+                                        <i class="fas fa-chevron-down select-arrow"></i>
+                                    </div>
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="quantity" class="form-label">
+                                        <i class="fas fa-cubes"></i>
+                                        Количество
+                                    </label>
+                                    <input type="number" class="form-control modern-input" id="quantity" name="quantity"
+                                           min="1" max="0" required value="1">
+                                    <div class="form-text" id="maxQuantityHint">
+                                        <i class="fas fa-info-circle"></i>
+                                        Максимально доступно: <span id="maxAvailable">0</span> ед.
+                                    </div>
+                                </div>
+                            </div>
+
+                            <div class="col-md-6">
+                                <div class="form-group">
+                                    <label for="order_date" class="form-label">
+                                        <i class="fas fa-calendar-alt"></i>
+                                        Дата заказа
+                                    </label>
+                                    <input type="date" class="form-control modern-input" id="order_date" name="order_date"
+                                           required value="{{ today }}">
+                                </div>
+                                
+                                <!-- Скрытое поле для статуса (всегда "Новый") -->
+                                <input type="hidden" name="status" value="Новый">
+                            </div>
+                        </div>
+
+                        <!-- Информация о выбранном товаре -->
+                        <div class="material-info-block mt-3">
+                            <div class="material-info-row">
+                                <div class="material-info-item">
+                                    <i class="fas fa-cog"></i>
+                                    <span class="material-info-label">Материал:</span>
+                                    <span class="material-info-value" id="selectedMaterial">Не выбран</span>
+                                </div>
+                                <div class="material-info-item text-end">
+                                    <i class="fas fa-warehouse"></i>
+                                    <span class="material-info-label">На складе:</span>
+                                    <span class="material-info-value" id="maxOrder">0</span> ед.
+                                </div>
+                            </div>
+                        </div>
+
+                        <!-- Автоматический расчет суммы со скидкой -->
+                        <div class="calculation-block mt-4">
+                            <div class="calculation-header">
+                                <i class="fas fa-calculator"></i> Расчет стоимости
+                            </div>
+                            <div class="calculation-body">
+                                <div class="calculation-row">
+                                    <span class="calculation-label">Количество:</span>
+                                    <span class="calculation-value"><span id="displayQuantity">1</span> ед.</span>
+                                </div>
+                                <div class="calculation-row">
+                                    <span class="calculation-label">Цена за единицу:</span>
+                                    <span class="calculation-value"><span id="displayPrice">0</span> руб.</span>
+                                </div>
+                                <div class="calculation-row">
+                                    <span class="calculation-label">Базовая сумма:</span>
+                                    <span class="calculation-value"><span id="baseAmount">0</span> руб.</span>
+                                </div>
+                                <div class="calculation-row">
+                                    <span class="calculation-label">Транспортные расходы (10%):</span>
+                                    <span class="calculation-value"><span id="transportAmount">0</span> руб.</span>
+                                </div>
+                                <div class="calculation-row total-row">
+                                    <span class="calculation-label">
+                                        <i class="fas fa-percent"></i>
+                                        Итоговая сумма <span id="discountPercentLabel"></span>:
+                                    </span>
+                                    <span class="calculation-value total-value">
+                                        <span id="totalAmount">0.00</span> руб.
+                                    </span>
+                                </div>
+                            </div>
+                        </div>
+
+                        <!-- Кнопки -->
+                        <div class="form-actions">
+                            <a href="javascript:history.back()" class="btn btn-outline">
+                                <i class="fas fa-times"></i> Отмена
+                            </a>
+                            <button type="submit" class="btn btn-primary" id="submitBtn">
+                                <i class="fas fa-save"></i> Создать заказ
+                            </button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<style>
+    /* ===== ОСНОВНЫЕ ПЕРЕМЕННЫЕ ===== */
+    :root {
+        --antique-white: #FAEBD7;
+        --light-brown: #DEB887;
+        --brown: #A0522D;
+        --dark-brown: #8B4513;
+    }
+
+    /* ===== ХЛЕБНЫЕ КРОШКИ ===== */
+    .breadcrumb {
+        background: none;
+        padding: 0;
+    }
+    
+    .breadcrumb-item a {
+        color: var(--brown);
+        text-decoration: none;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .breadcrumb-item a:hover {
+        text-decoration: underline;
+    }
+    
+    .breadcrumb-item.active {
+        color: #6c757d;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .breadcrumb-item + .breadcrumb-item::before {
+        color: var(--light-brown);
+    }
+
+    /* ===== КАРТОЧКА ФОРМЫ ===== */
+    .form-card {
+        background: white;
+        border: 1px solid var(--light-brown);
+        border-radius: 16px;
+        box-shadow: 0 4px 20px rgba(160, 82, 45, 0.1);
+        overflow: hidden;
+    }
+    
+    .form-card-header {
+        background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+        padding: 20px 25px;
+        color: white;
+    }
+    
+    .form-card-title {
+        font-size: 1.4rem;
+        font-weight: 600;
+        font-family: 'Verdana', sans-serif;
+        margin: 0;
+    }
+    
+    .form-card-title i {
+        margin-right: 10px;
+        color: white;
+    }
+    
+    .form-card-body {
+        padding: 25px;
+    }
+
+    /* ===== ИНФОРМАЦИЯ О ПОСТАВЩИКЕ ===== */
+    .supplier-info {
+        border: 1px solid var(--light-brown);
+        border-radius: 12px;
+        margin-bottom: 25px;
+        overflow: hidden;
+    }
+    
+    .supplier-info-header {
+        background: var(--antique-white);
+        padding: 12px 20px;
+        font-weight: 600;
+        color: var(--brown);
+        font-family: 'Verdana', sans-serif;
+        border-bottom: 1px solid var(--light-brown);
+    }
+    
+    .supplier-info-header i {
+        margin-right: 8px;
+    }
+    
+    .supplier-info-body {
+        padding: 15px 20px;
+        background: white;
+    }
+    
+    .info-item {
+        margin-bottom: 8px;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .info-label {
+        color: #6c757d;
+        font-weight: 500;
+        margin-right: 8px;
+    }
+    
+    .info-value {
+        color: #2c3e50;
+        font-weight: 500;
+    }
+
+    /* ===== ЭЛЕМЕНТЫ ФОРМЫ ===== */
+    .form-group {
+        margin-bottom: 20px;
+    }
+    
+    .form-label {
+        display: flex;
+        align-items: center;
+        gap: 6px;
+        color: var(--brown);
+        font-weight: 600;
+        font-size: 0.95rem;
+        margin-bottom: 6px;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .form-label i {
+        color: var(--brown);
+        font-size: 1rem;
+    }
+    
+    .modern-input {
+        width: 100%;
+        height: 42px;
+        padding: 0 12px;
+        border: 2px solid var(--light-brown);
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-family: 'Verdana', sans-serif;
+        transition: all 0.2s ease;
+        background: white;
+    }
+    
+    .modern-input:focus {
+        outline: none;
+        border-color: var(--brown);
+        box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.1);
+    }
+    
+    .modern-input:hover {
+        border-color: var(--brown);
+    }
+    
+    .select-wrapper {
+        position: relative;
+    }
+    
+    .modern-select {
+        width: 100%;
+        height: auto;
+        min-height: 42px;
+        padding: 8px 35px 8px 12px;
+        border: 2px solid var(--light-brown);
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-family: 'Verdana', sans-serif;
+        background: white;
+        cursor: pointer;
+        appearance: none;
+        transition: all 0.2s ease;
+        line-height: 1.4;
+        white-space: normal;
+        word-wrap: break-word;
+    }
+    
+    .modern-select:focus {
+        outline: none;
+        border-color: var(--brown);
+        box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.1);
+    }
+    
+    .modern-select:hover {
+        border-color: var(--brown);
+    }
+    
+    .select-arrow {
+        position: absolute;
+        right: 15px;
+        top: 50%;
+        transform: translateY(-50%);
+        color: var(--brown);
+        pointer-events: none;
+    }
+    
+    .form-text {
+        font-size: 0.8rem;
+        color: #6c757d;
+        margin-top: 4px;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .form-text i {
+        color: var(--brown);
+        margin-right: 4px;
+    }
+
+    /* ===== ИНФОРМАЦИЯ О МАТЕРИАЛЕ ===== */
+    .material-info-block {
+        border: 1px solid var(--light-brown);
+        border-radius: 10px;
+        background: var(--antique-white);
+        padding: 12px 15px;
+    }
+    
+    .material-info-row {
+        display: flex;
+        justify-content: space-between;
+        align-items: center;
+        flex-wrap: wrap;
+        gap: 10px;
+    }
+    
+    .material-info-item {
+        display: flex;
+        align-items: center;
+        gap: 8px;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .material-info-item i {
+        color: var(--brown);
+    }
+    
+    .material-info-label {
+        color: #6c757d;
+        font-weight: 500;
+    }
+    
+    .material-info-value {
+        color: var(--brown);
+        font-weight: 600;
+    }
+    
+    .material-info-item.text-end {
+        flex: 1;
+        justify-content: flex-end;
+    }
+
+    /* ===== БЛОК РАСЧЕТА ===== */
+    .calculation-block {
+        border: 1px solid var(--light-brown);
+        border-radius: 12px;
+        overflow: hidden;
+    }
+    
+    .calculation-header {
+        background: var(--antique-white);
+        padding: 12px 20px;
+        font-weight: 600;
+        color: var(--brown);
+        font-family: 'Verdana', sans-serif;
+        border-bottom: 1px solid var(--light-brown);
+    }
+    
+    .calculation-header i {
+        margin-right: 8px;
+    }
+    
+    .calculation-body {
+        padding: 15px 20px;
+        background: white;
+    }
+    
+    .calculation-row {
+        display: flex;
+        justify-content: space-between;
+        align-items: center;
+        padding: 8px 0;
+        border-bottom: 1px dashed var(--light-brown);
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .calculation-row:last-of-type {
+        border-bottom: none;
+    }
+    
+    .calculation-row.total-row {
+        margin-top: 5px;
+        padding-top: 12px;
+        border-top: 2px solid var(--light-brown);
+        border-bottom: none;
+    }
+    
+    .calculation-label {
+        color: #6c757d;
+        font-weight: 500;
+    }
+    
+    .calculation-value {
+        color: #2c3e50;
+        font-weight: 600;
+    }
+    
+    .total-value {
+        color: var(--brown) !important;
+        font-size: 1.2rem;
+        font-weight: 700;
+    }
+    
+    #discountPercentLabel {
+        color: var(--brown);
+        font-size: 0.9rem;
+        font-weight: normal;
+    }
+
+    /* ===== КНОПКИ ===== */
+    .form-actions {
+        display: flex;
+        justify-content: space-between;
+        margin-top: 25px;
+        padding-top: 20px;
+        border-top: 2px solid var(--light-brown);
+    }
+    
+    .btn {
+        padding: 10px 25px;
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-weight: 500;
+        font-family: 'Verdana', sans-serif;
+        transition: all 0.2s ease;
+        border: none;
+        cursor: pointer;
+        display: inline-flex;
+        align-items: center;
+        gap: 8px;
+        text-decoration: none;
+    }
+    
+    .btn-primary {
+        background: var(--brown);
+        color: white;
+    }
+    
+    .btn-primary:hover {
+        background: var(--dark-brown);
+        transform: translateY(-2px);
+        box-shadow: 0 4px 12px rgba(160, 82, 45, 0.3);
+    }
+    
+    .btn-primary:disabled {
+        background: #6c757d;
+        transform: none;
+        box-shadow: none;
+        cursor: not-allowed;
+    }
+    
+    .btn-outline {
+        background: white;
+        border: 2px solid var(--light-brown);
+        color: var(--brown);
+    }
+    
+    .btn-outline:hover {
+        background: var(--antique-white);
+        border-color: var(--brown);
+        transform: translateY(-2px);
+    }
+
+    /* ===== АДАПТИВНОСТЬ ===== */
+    @media (max-width: 768px) {
+        .form-card-body {
+            padding: 20px;
+        }
+        
+        .form-actions {
+            flex-direction: column-reverse;
+            gap: 10px;
+        }
+        
+        .form-actions .btn {
+            width: 100%;
+            justify-content: center;
+        }
+        
+        .material-info-row {
+            flex-direction: column;
+            align-items: flex-start;
+        }
+        
+        .material-info-item.text-end {
+            justify-content: flex-start;
+            width: 100%;
+        }
+        
+        .info-item {
+            margin-bottom: 12px;
+        }
+        
+        .calculation-row {
+            flex-direction: column;
+            align-items: flex-start;
+            gap: 5px;
+        }
+        
+        .calculation-label, .calculation-value {
+            width: 100%;
+        }
+    }
+</style>
+
+<script>
+document.addEventListener('DOMContentLoaded', function() {
+    console.log('Script loaded!');
+
+    const productSelect = document.getElementById('product_id');
+    const quantityInput = document.getElementById('quantity');
+    const displayQuantitySpan = document.getElementById('displayQuantity');
+    const displayPriceSpan = document.getElementById('displayPrice');
+    const baseAmountSpan = document.getElementById('baseAmount');
+    const transportAmountSpan = document.getElementById('transportAmount');
+    const totalAmountSpan = document.getElementById('totalAmount');
+    const discountPercentLabel = document.getElementById('discountPercentLabel');
+    const selectedMaterialSpan = document.getElementById('selectedMaterial');
+    const maxAvailableSpan = document.getElementById('maxAvailable');
+    const maxOrderSpan = document.getElementById('maxOrder');
+    const maxQuantityHint = document.getElementById('maxQuantityHint');
+
+    // Устанавливаем сегодняшнюю дату по умолчанию
+    const today = new Date().toISOString().split('T')[0];
+    document.getElementById('order_date').value = today;
+
+    // Обновление информации о товаре и материале
+    productSelect.addEventListener('change', function() {
+        console.log('Product changed');
+        const selectedOption = this.options[this.selectedIndex];
+        const price = selectedOption.getAttribute('data-price');
+        const stock = parseInt(selectedOption.getAttribute('data-stock')) || 0;
+        const productName = selectedOption.getAttribute('data-name');
+        
+        console.log('Price:', price);
+        console.log('Stock:', stock);
+
+        if (price) {
+            displayPriceSpan.textContent = parseFloat(price).toFixed(2);
+            selectedMaterialSpan.textContent = productName;
+            maxAvailableSpan.textContent = stock;
+            maxOrderSpan.textContent = stock;
+            
+            // Устанавливаем максимальное значение для поля ввода
+            if (stock > 0) {
+                quantityInput.max = stock;
+                quantityInput.value = 1;
+                maxQuantityHint.style.display = 'block';
+            } else {
+                quantityInput.max = 0;
+                quantityInput.value = 0;
+                maxQuantityHint.style.display = 'block';
+            }
+            
+            calculateTotal();
+        } else {
+            selectedMaterialSpan.textContent = 'Не выбран';
+            maxAvailableSpan.textContent = '0';
+            maxOrderSpan.textContent = '0';
+            quantityInput.removeAttribute('max');
+            maxQuantityHint.style.display = 'none';
+        }
+    });
+
+    // Расчет общей суммы со скидкой
+    function calculateTotal() {
+        const quantity = parseInt(quantityInput.value) || 0;
+        const price = parseFloat(displayPriceSpan.textContent) || 0;
+        const baseAmount = quantity * price;
+        const transportAmount = baseAmount * 0.1; // 10% транспортные расходы
+        const amountWithTransport = baseAmount + transportAmount;
+        
+        // Расчет скидки в зависимости от суммы
+        let discountPercent = 0;
+        let discountLabel = '';
+        
+        if (amountWithTransport >= 500000) {
+            discountPercent = 20;
+            discountLabel = 'со скидкой 20%';
+        } else if (amountWithTransport >= 300000) {
+            discountPercent = 15;
+            discountLabel = 'со скидкой 15%';
+        } else if (amountWithTransport >= 150000) {
+            discountPercent = 10;
+            discountLabel = 'со скидкой 10%';
+        }
+        
+        const discountAmount = amountWithTransport * discountPercent / 100;
+        const total = amountWithTransport - discountAmount;
+        
+        displayQuantitySpan.textContent = quantity;
+        displayPriceSpan.textContent = price.toFixed(2);
+        baseAmountSpan.textContent = baseAmount.toFixed(2);
+        transportAmountSpan.textContent = transportAmount.toFixed(2);
+        totalAmountSpan.textContent = total.toFixed(2);
+        
+        // Обновляем текст с информацией о скидке
+        if (discountPercent > 0) {
+            discountPercentLabel.textContent = discountLabel;
+        } else {
+            discountPercentLabel.textContent = '';
+        }
+    }
+
+    // Слушатели изменений
+    quantityInput.addEventListener('input', function() {
+        const max = parseInt(this.max);
+        const value = parseInt(this.value);
+        
+        if (max && value > max) {
+            this.value = max;
+            alert(`Максимально доступное количество: ${max} ед.`);
+        }
+        
+        if (value < 1) {
+            this.value = 1;
+        }
+        
+        calculateTotal();
+    });
+    
+    productSelect.addEventListener('change', calculateTotal);
+
+    // Проверка перед отправкой формы
+    document.getElementById('orderForm').addEventListener('submit', function(e) {
+        const productId = document.getElementById('product_id').value;
+        const quantity = parseInt(quantityInput.value) || 0;
+        const maxStock = parseInt(maxOrderSpan.textContent) || 0;
+
+        if (!productId) {
+            e.preventDefault();
+            alert('Пожалуйста, выберите материал');
+            return false;
+        }
+
+        if (quantity <= 0) {
+            e.preventDefault();
+            alert('Количество должно быть больше 0');
+            return false;
+        }
+
+        if (quantity > maxStock) {
+            e.preventDefault();
+            alert(`Невозможно создать заказ!\nНедостаточно материалов на складе.\nДоступно: ${maxStock} ед., запрошено: ${quantity} ед.`);
+            return false;
+        }
+        
+        if (maxStock === 0) {
+            e.preventDefault();
+            alert(`Невозможно создать заказ!\nМатериал отсутствует на складе.`);
+            return false;
+        }
+    });
+
+    // Инициализация расчета
+    calculateTotal();
+});
+</script>
+{% endblock %}

templates/add_product.html

@@ -0,0 +1,458 @@
+{% extends "base.html" %}
+
+{% block title %}Добавление материала{% endblock %}
+
+{% block content %}
+<div class="container">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+            <!-- Хлебные крошки -->
+            <nav aria-label="breadcrumb" class="mb-3">
+                <ol class="breadcrumb">
+                    <li class="breadcrumb-item"><a href="{{ url_for('catalog') }}">Каталог материалов</a></li>
+                    <li class="breadcrumb-item active">Добавление материала</li>
+                </ol>
+            </nav>
+
+            <div class="form-card">
+                <div class="form-card-header">
+                    <h2 class="form-card-title">
+                        <i class="fas fa-cube"></i> Добавление нового материала
+                    </h2>
+                </div>
+                
+                <div class="form-card-body">
+                    {% with messages = get_flashed_messages(with_categories=true) %}
+                        {% if messages %}
+                            {% for category, message in messages %}
+                                <div class="alert alert-{{ 'danger' if category == 'error' else 'success' }} alert-dismissible fade show">
+                                    <i class="fas fa-{{ 'exclamation-circle' if category == 'error' else 'check-circle' }} me-2"></i>
+                                    {{ message }}
+                                    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+                                </div>
+                            {% endfor %}
+                        {% endif %}
+                    {% endwith %}
+
+                    <form method="POST" id="materialForm">
+                        <div class="row">
+                            <!-- Левая колонка -->
+                            <div class="col-md-6">
+                                <h5 class="section-title">
+                                    <i class="fas fa-info-circle"></i> Основная информация
+                                </h5>
+
+                                <div class="form-group">
+                                    <label for="product_name" class="form-label">
+                                        <i class="fas fa-tag"></i>
+                                        Название материала
+                                    </label>
+                                    <input type="text" class="form-control modern-input" id="product_name" name="product_name" 
+                                           required maxlength="255" placeholder="Например: Паркетная доска">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="article" class="form-label">
+                                        <i class="fas fa-barcode"></i>
+                                        Артикул
+                                    </label>
+                                    <input type="text" class="form-control modern-input" id="article" name="article" 
+                                           required maxlength="50" placeholder="Например: ПРК-001">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="category_id" class="form-label">
+                                        <i class="fas fa-folder"></i>
+                                        Категория
+                                    </label>
+                                    <div class="select-wrapper">
+                                        <select class="form-select modern-select" id="category_id" name="category_id" required>
+                                            <option value="" selected disabled>Выберите категорию</option>
+                                            {% for category in categories %}
+                                                <option value="{{ category.id }}">{{ category.category_name }}</option>
+                                            {% endfor %}
+                                        </select>
+                                        <i class="fas fa-chevron-down select-arrow"></i>
+                                    </div>
+                                </div>
+                            </div>
+
+                            <!-- Правая колонка -->
+                            <div class="col-md-6">
+                                <h5 class="section-title">
+                                    <i class="fas fa-cog"></i> Характеристики
+                                </h5>
+
+                                <div class="form-group">
+                                    <label for="min_price" class="form-label">
+                                        <i class="fas fa-ruble-sign"></i>
+                                        Цена
+                                    </label>
+                                    <input type="number" class="form-control modern-input" id="min_price" name="min_price" 
+                                           required min="0" step="0.01" value="0.00" placeholder="0.00">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="material_id" class="form-label">
+                                        <i class="fas fa-cube"></i>
+                                        Тип материала
+                                    </label>
+                                    <div class="select-wrapper">
+                                        <select class="form-select modern-select" id="material_id" name="material_id">
+                                            <option value="" selected>Не выбран</option>
+                                            {% for material in materials %}
+                                                <option value="{{ material.id }}">{{ material.material_name }}</option>
+                                            {% endfor %}
+                                        </select>
+                                        <i class="fas fa-chevron-down select-arrow"></i>
+                                    </div>
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="quantity_in_stock" class="form-label">
+                                        <i class="fas fa-warehouse"></i>
+                                        Наличие на складе
+                                    </label>
+                                    <input type="number" class="form-control modern-input" id="quantity_in_stock" name="quantity_in_stock" 
+                                           min="0" value="0" placeholder="0">
+                                </div>
+                            </div>
+
+                            <!-- Описание на всю ширину -->
+                            <div class="col-12">
+                                <div class="form-group">
+                                    <label for="description" class="form-label">
+                                        <i class="fas fa-align-left"></i>
+                                        Описание материала
+                                    </label>
+                                    <textarea class="form-control modern-input" id="description" name="description" 
+                                              rows="4" maxlength="1000" placeholder="Подробное описание материала..."></textarea>
+                                </div>
+                            </div>
+                        </div>
+
+                        <!-- Кнопки -->
+                        <div class="form-actions">
+                            <a href="{{ url_for('catalog') }}" class="btn btn-outline">
+                                <i class="fas fa-times"></i> Отмена
+                            </a>
+                            <button type="submit" class="btn btn-primary">
+                                <i class="fas fa-save"></i> Добавить материал
+                            </button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<style>
+    /* ===== ОСНОВНЫЕ ПЕРЕМЕННЫЕ ===== */
+    :root {
+        --antique-white: #FAEBD7;
+        --light-brown: #DEB887;
+        --brown: #A0522D;
+        --dark-brown: #8B4513;
+    }
+
+    /* ===== ХЛЕБНЫЕ КРОШКИ ===== */
+    .breadcrumb {
+        background: none;
+        padding: 0;
+    }
+    
+    .breadcrumb-item a {
+        color: var(--brown);
+        text-decoration: none;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .breadcrumb-item a:hover {
+        text-decoration: underline;
+    }
+    
+    .breadcrumb-item.active {
+        color: #6c757d;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .breadcrumb-item + .breadcrumb-item::before {
+        color: var(--light-brown);
+    }
+
+    /* ===== КАРТОЧКА ФОРМЫ ===== */
+    .form-card {
+        background: white;
+        border: 1px solid var(--light-brown);
+        border-radius: 16px;
+        box-shadow: 0 4px 20px rgba(160, 82, 45, 0.1);
+        overflow: hidden;
+    }
+    
+    .form-card-header {
+        background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+        padding: 20px 25px;
+        color: white;
+    }
+    
+    .form-card-title {
+        font-size: 1.4rem;
+        font-weight: 600;
+        font-family: 'Verdana', sans-serif;
+        margin: 0;
+    }
+    
+    .form-card-title i {
+        margin-right: 10px;
+        color: white;
+    }
+    
+    .form-card-body {
+        padding: 25px;
+    }
+
+    /* ===== ЗАГОЛОВКИ СЕКЦИЙ ===== */
+    .section-title {
+        color: var(--brown);
+        font-size: 1.1rem;
+        font-weight: 600;
+        margin-bottom: 20px;
+        padding-bottom: 10px;
+        border-bottom: 2px solid var(--light-brown);
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .section-title i {
+        color: var(--brown);
+        margin-right: 8px;
+    }
+
+    /* ===== ЭЛЕМЕНТЫ ФОРМЫ ===== */
+    .form-group {
+        margin-bottom: 20px;
+    }
+    
+    .form-label {
+        display: flex;
+        align-items: center;
+        gap: 6px;
+        color: var(--brown);
+        font-weight: 600;
+        font-size: 0.95rem;
+        margin-bottom: 6px;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .form-label i {
+        color: var(--brown);
+        font-size: 1rem;
+    }
+    
+    .modern-input {
+        width: 100%;
+        height: 42px;
+        padding: 0 12px;
+        border: 2px solid var(--light-brown);
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-family: 'Verdana', sans-serif;
+        transition: all 0.2s ease;
+        background: white;
+    }
+    
+    .modern-input:focus {
+        outline: none;
+        border-color: var(--brown);
+        box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.1);
+    }
+    
+    .modern-input:hover {
+        border-color: var(--brown);
+    }
+    
+    textarea.modern-input {
+        height: auto;
+        padding: 12px;
+        resize: vertical;
+    }
+    
+    .select-wrapper {
+        position: relative;
+    }
+    
+    .modern-select {
+        width: 100%;
+        height: 42px;
+        padding: 0 35px 0 12px;
+        border: 2px solid var(--light-brown);
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-family: 'Verdana', sans-serif;
+        background: white;
+        cursor: pointer;
+        appearance: none;
+        transition: all 0.2s ease;
+    }
+    
+    .modern-select:focus {
+        outline: none;
+        border-color: var(--brown);
+        box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.1);
+    }
+    
+    .modern-select:hover {
+        border-color: var(--brown);
+    }
+    
+    .select-arrow {
+        position: absolute;
+        right: 15px;
+        top: 50%;
+        transform: translateY(-50%);
+        color: var(--brown);
+        pointer-events: none;
+    }
+
+    /* ===== КНОПКИ ===== */
+    .form-actions {
+        display: flex;
+        justify-content: space-between;
+        margin-top: 25px;
+        padding-top: 20px;
+        border-top: 2px solid var(--light-brown);
+    }
+    
+    .btn {
+        padding: 10px 25px;
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-weight: 500;
+        font-family: 'Verdana', sans-serif;
+        transition: all 0.2s ease;
+        border: none;
+        cursor: pointer;
+        display: inline-flex;
+        align-items: center;
+        gap: 8px;
+        text-decoration: none;
+    }
+    
+    .btn-primary {
+        background: var(--brown);
+        color: white;
+    }
+    
+    .btn-primary:hover {
+        background: var(--dark-brown);
+        transform: translateY(-2px);
+        box-shadow: 0 4px 12px rgba(160, 82, 45, 0.3);
+    }
+    
+    .btn-outline {
+        background: white;
+        border: 2px solid var(--light-brown);
+        color: var(--brown);
+    }
+    
+    .btn-outline:hover {
+        background: var(--antique-white);
+        border-color: var(--brown);
+        transform: translateY(-2px);
+    }
+
+    /* ===== АЛЕРТЫ ===== */
+    .alert {
+        border-radius: 10px;
+        border: 1px solid var(--light-brown);
+        font-family: 'Verdana', sans-serif;
+        margin-bottom: 20px;
+    }
+    
+    .alert-success {
+        background: var(--antique-white);
+        color: var(--brown);
+        border-left: 4px solid #28a745;
+    }
+    
+    .alert-danger {
+        background: var(--antique-white);
+        color: #721c24;
+        border-left: 4px solid #dc3545;
+    }
+
+    /* ===== ИКОНКИ ===== */
+    i {
+        color: var(--brown);
+    }
+    
+    .btn-primary i, .btn-outline i, .form-card-header i {
+        color: inherit;
+    }
+
+    /* ===== АДАПТИВНОСТЬ ===== */
+    @media (max-width: 768px) {
+        .form-card-body {
+            padding: 20px;
+        }
+        
+        .form-actions {
+            flex-direction: column-reverse;
+            gap: 10px;
+        }
+        
+        .form-actions .btn {
+            width: 100%;
+            justify-content: center;
+        }
+        
+        .col-md-6 {
+            width: 100%;
+        }
+        
+        .section-title {
+            margin-top: 15px;
+        }
+        
+        .section-title:first-of-type {
+            margin-top: 0;
+        }
+    }
+</style>
+
+{% block scripts %}
+<script>
+    // Валидация формы
+    document.getElementById('materialForm').addEventListener('submit', function(e) {
+        const name = document.getElementById('product_name').value;
+        const article = document.getElementById('article').value;
+        const price = parseFloat(document.getElementById('min_price').value);
+        const quantity = parseInt(document.getElementById('quantity_in_stock').value) || 0;
+
+        if (!name.trim()) {
+            e.preventDefault();
+            alert('Введите название материала');
+            return false;
+        }
+
+        if (!article.trim()) {
+            e.preventDefault();
+            alert('Введите артикул материала');
+            return false;
+        }
+
+        if (price < 0) {
+            e.preventDefault();
+            alert('Цена не может быть отрицательной');
+            return false;
+        }
+
+        if (quantity < 0) {
+            e.preventDefault();
+            alert('Количество не может быть отрицательным');
+            return false;
+        }
+    });
+</script>
+{% endblock %}
+{% endblock %}

templates/base.html

@@ -0,0 +1,686 @@
+<!DOCTYPE html>
+<html lang="ru">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{% block title %}Строительные материалы{% endblock %}</title>
+    
+    <!-- Bootstrap 5 -->
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
+    
+    <!-- Font Awesome Icons -->
+    <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet">
+    
+    <!-- Verdana Font -->
+    <link href="https://fonts.googleapis.com/css2?family=Verdana:wght@400;500;600;700&display=swap" rel="stylesheet">
+    
+    <!-- Favicon -->
+    <link rel="icon" type="image/x-icon" href="{{ url_for('static', filename='favicon.ico') }}">
+    
+    <style>
+        :root {
+            --antique-white: #FAEBD7;
+            --light-brown: #DEB887;
+            --brown: #A0522D;
+            --dark-brown: #8B4513;
+        }
+        
+        /* ПОЛНОЕ ОТКЛЮЧЕНИЕ ВСЕХ ПОДСВЕТОК */
+        *,
+        *:focus,
+        *:hover,
+        *:active,
+        *:visited {
+            outline: 0 !important;
+            outline-style: none !important;
+            outline-width: 0 !important;
+            outline-color: transparent !important;
+            box-shadow: none !important;
+            -webkit-tap-highlight-color: rgba(0, 0, 0, 0) !important;
+            -webkit-tap-highlight-color: transparent !important;
+            -webkit-focus-ring-color: transparent !important;
+        }
+
+        a:focus,
+        a:hover,
+        a:active,
+        button:focus,
+        button:hover,
+        button:active,
+        .btn:focus,
+        .btn:hover,
+        .btn:active,
+        .btn.active,
+        .dropdown-toggle:focus,
+        .form-control:focus,
+        .form-select:focus,
+        .page-link:focus,
+        .nav-link:focus {
+            outline: 0 !important;
+            outline-style: none !important;
+            box-shadow: none !important;
+        }
+
+        /* Для Bootstrap кнопок */
+        .btn:focus, 
+        .btn:active, 
+        .btn.active,
+        .btn.show,
+        .btn.show:focus,
+        .btn.show:active {
+            outline: 0 !important;
+            box-shadow: none !important;
+            border-color: inherit !important;
+        }
+
+        /* Для форм */
+        .form-control:focus,
+        .form-select:focus {
+            border-color: var(--brown) !important;
+            box-shadow: none !important;
+            outline: 0 !important;
+        }
+
+        /* Исправление синего текста при наведении */
+        a, 
+        a:hover, 
+        a:focus, 
+        a:active,
+        .nav-link,
+        .nav-link:hover,
+        .nav-link:focus,
+        .nav-link:active,
+        .btn,
+        .btn:hover,
+        .btn:focus,
+        .btn:active {
+            color: inherit !important;
+            text-decoration: none;
+        }
+
+        /* Для карточек поставщиков */
+        .supplier-card a,
+        .supplier-card a:hover,
+        .supplier-card a:focus,
+        .supplier-card a:active {
+            color: inherit !important;
+        }
+
+        /* Для кнопок в карточках */
+        .action-btn,
+        .action-btn:hover,
+        .action-btn:focus,
+        .action-btn:active {
+            color: inherit !important;
+        }
+
+        .edit-btn,
+        .edit-btn:hover,
+        .edit-btn:focus,
+        .edit-btn:active {
+            color: #2c3e50 !important;
+        }
+
+        .add-btn,
+        .add-btn:hover,
+        .add-btn:focus,
+        .add-btn:active {
+            color: white !important;
+        }
+
+        .history-btn,
+        .history-btn:hover,
+        .history-btn:focus,
+        .history-btn:active {
+            color: white !important;
+        }
+
+        /* Убираем подсветку при нажатии на мобильных */
+        * {
+            -webkit-touch-callout: none;
+            -webkit-user-select: none;
+            -khtml-user-select: none;
+            -moz-user-select: none;
+            -ms-user-select: none;
+            user-select: none;
+        }
+
+        /* Разрешаем выделение текста в инпутах */
+        input,
+        textarea {
+            -webkit-user-select: text;
+            -khtml-user-select: text;
+            -moz-user-select: text;
+            -ms-user-select: text;
+            user-select: text;
+        }
+        
+        body {
+            font-family: 'Verdana', sans-serif;
+            background-color: var(--antique-white);
+            margin: 0;
+            padding: 0;
+        }
+        
+        .main-container {
+            background-color: #ffffff;
+            min-height: 100vh;
+            padding: 0;
+        }
+        
+        .container {
+            max-width: 1400px;
+            margin: 0 auto;
+            padding: 20px 30px;
+        }
+        
+        /* ===== HEADER + НАВИГАЦИЯ В ОДНОЙ ПОЛОСЕ ===== */
+        .header-nav-wrapper {
+            background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+            width: 100%;
+            box-shadow: 0 4px 12px rgba(160, 82, 45, 0.2);
+            margin-bottom: 25px;
+        }
+        
+        .header-nav-wrapper .container {
+            display: flex;
+            align-items: center;
+            justify-content: space-between;
+            padding: 10px 30px;
+        }
+        
+        .logo-container {
+            display: flex;
+            align-items: center;
+            gap: 15px;
+        }
+        
+        .logo {
+            height: 60px !important;
+            width: auto !important;
+            object-fit: contain !important;
+            display: block !important;
+            filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.2));
+            background-color: transparent !important;
+        }
+        
+        .header-title {
+            font-size: 2rem;
+            font-weight: 600;
+            margin: 0;
+            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
+            font-family: 'Verdana', sans-serif;
+            color: white;
+        }
+        
+        /* Навигация в хедере */
+        .header-nav {
+            display: flex;
+            gap: 5px;
+        }
+        
+        .header-nav .nav-link {
+            color: rgba(255, 255, 255, 0.9);
+            font-family: 'Verdana', sans-serif;
+            font-weight: 500;
+            border: 2px solid transparent;
+            border-radius: 10px;
+            padding: 10px 20px;
+            transition: all 0.2s ease;
+            font-size: 1rem;
+            text-decoration: none;
+            display: flex;
+            align-items: center;
+            gap: 8px;
+        }
+        
+        .header-nav .nav-link i {
+            font-size: 1.1rem;
+            color: inherit;
+            width: 20px;
+            text-align: center;
+        }
+        
+        .header-nav .nav-link:hover {
+            color: white;
+            background-color: rgba(255, 255, 255, 0.15);
+            border-color: var(--light-brown);
+        }
+        
+        .header-nav .nav-link.active {
+            color: white;
+            font-weight: 600;
+            background: rgba(0, 0, 0, 0.25);
+            border-color: var(--light-brown);
+        }
+        
+        /* ===== ЗАГОЛОВКИ СТРАНИЦ ===== */
+        .page-title {
+            color: var(--brown);
+            font-size: 2rem;
+            font-weight: 600;
+            font-family: 'Verdana', sans-serif;
+            margin: 0;
+            display: flex;
+            align-items: center;
+            gap: 10px;
+        }
+        
+        .page-title i {
+            color: var(--brown);
+        }
+        
+        /* ===== КНОПКИ ===== */
+        .btn {
+            font-family: 'Verdana', sans-serif;
+            border: none;
+            border-radius: 8px;
+            padding: 10px 20px;
+            transition: all 0.2s ease;
+            font-weight: 500;
+            display: inline-flex;
+            align-items: center;
+            gap: 8px;
+            cursor: pointer;
+            text-decoration: none;
+        }
+        
+        .btn-primary {
+            background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+            color: white;
+        }
+        
+        .btn-primary:hover {
+            background: linear-gradient(135deg, var(--dark-brown) 0%, var(--brown) 100%);
+            transform: translateY(-2px);
+            box-shadow: 0 4px 10px rgba(160, 82, 45, 0.3);
+        }
+        
+        .btn-secondary {
+            background: var(--light-brown);
+            color: #2c3e50;
+        }
+        
+        .btn-secondary:hover {
+            background: var(--brown);
+            color: white;
+            transform: translateY(-2px);
+            box-shadow: 0 4px 10px rgba(160, 82, 45, 0.2);
+        }
+        
+        .btn-outline {
+            background: white;
+            border: 2px solid var(--brown);
+            color: var(--brown);
+        }
+        
+        .btn-outline:hover {
+            background: var(--antique-white);
+            border-color: var(--dark-brown);
+            color: var(--dark-brown);
+        }
+        
+        .btn-success {
+            background: #28a745;
+            color: white;
+        }
+        
+        .btn-success:hover {
+            background: #218838;
+            transform: translateY(-2px);
+            box-shadow: 0 4px 10px rgba(40, 167, 69, 0.3);
+        }
+        
+        .btn-danger {
+            background: #dc3545;
+            color: white;
+        }
+        
+        .btn-danger:hover {
+            background: #c82333;
+            transform: translateY(-2px);
+            box-shadow: 0 4px 10px rgba(220, 53, 69, 0.3);
+        }
+        
+        /* ===== ФОРМЫ ===== */
+        .form-label {
+            color: var(--brown);
+            font-weight: 600;
+            font-size: 0.95rem;
+            margin-bottom: 5px;
+            display: flex;
+            align-items: center;
+            gap: 5px;
+        }
+        
+        .form-label i {
+            color: var(--brown);
+        }
+        
+        .form-control, .form-select {
+            border: 2px solid var(--light-brown);
+            border-radius: 8px;
+            padding: 10px 12px;
+            font-family: 'Verdana', sans-serif;
+            transition: all 0.2s ease;
+            width: 100%;
+        }
+        
+        .form-control:focus, .form-select:focus {
+            border-color: var(--brown) !important;
+            box-shadow: none !important;
+            outline: 0 !important;
+        }
+        
+        .form-control:hover, .form-select:hover {
+            border-color: var(--brown);
+        }
+        
+        .form-text {
+            font-size: 0.8rem;
+            color: #6c757d;
+            margin-top: 4px;
+        }
+        
+        /* ===== ТАБЛИЦЫ ===== */
+        .table-container {
+            background: white;
+            border: 2px solid var(--brown);
+            border-radius: 12px;
+            overflow: hidden;
+            box-shadow: 0 4px 12px rgba(160, 82, 45, 0.1);
+        }
+        
+        .table {
+            width: 100%;
+            border-collapse: collapse;
+        }
+        
+        .table thead th {
+            background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+            color: white;
+            font-weight: 600;
+            padding: 12px 15px;
+            font-size: 0.95rem;
+            text-align: left;
+            white-space: nowrap;
+        }
+        
+        .table tbody td {
+            padding: 12px 15px;
+            border-bottom: 2px solid var(--light-brown);
+            color: #2c3e50;
+        }
+        
+        .table tbody tr:last-child td {
+            border-bottom: none;
+        }
+        
+        .table tbody tr:hover td {
+            background-color: var(--antique-white);
+        }
+        
+        .table tfoot {
+            background: var(--light-brown);
+        }
+        
+        .table tfoot td {
+            padding: 12px 15px;
+            font-weight: 600;
+        }
+        
+        /* ===== КАРТОЧКИ ===== */
+        .card {
+            background: white;
+            border: 2px solid var(--brown);
+            border-radius: 12px;
+            overflow: hidden;
+            box-shadow: 0 4px 12px rgba(160, 82, 45, 0.1);
+        }
+        
+        .card-header {
+            background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+            color: white;
+            padding: 15px 20px;
+            font-weight: 600;
+        }
+        
+        .card-header i {
+            color: white;
+            margin-right: 8px;
+        }
+        
+        .card-body {
+            padding: 20px;
+        }
+        
+        /* ===== УВЕДОМЛЕНИЯ ===== */
+        .alert {
+            border-radius: 8px;
+            border: 1px solid var(--light-brown);
+            padding: 12px 15px;
+            margin-bottom: 20px;
+            font-family: 'Verdana', sans-serif;
+        }
+        
+        .alert-success {
+            background: var(--antique-white);
+            color: var(--brown);
+            border-left: 4px solid #28a745;
+        }
+        
+        .alert-danger {
+            background: var(--antique-white);
+            color: #721c24;
+            border-left: 4px solid #dc3545;
+        }
+        
+        .alert-info {
+            background: var(--antique-white);
+            color: var(--brown);
+            border-left: 4px solid var(--brown);
+        }
+        
+        /* ===== ХЛЕБНЫЕ КРОШКИ ===== */
+        .breadcrumb {
+            background: none;
+            padding: 0;
+            margin: 0;
+        }
+        
+        .breadcrumb-item a {
+            color: var(--brown);
+            text-decoration: none;
+        }
+        
+        .breadcrumb-item a:hover {
+            text-decoration: underline;
+        }
+        
+        .breadcrumb-item.active {
+            color: #6c757d;
+        }
+        
+        .breadcrumb-item + .breadcrumb-item::before {
+            color: var(--light-brown);
+        }
+        
+        /* ===== ИКОНКИ ===== */
+        i {
+            color: var(--brown);
+        }
+        
+        .btn i, .nav-link i, .alert i, .card-header i, .header-nav-wrapper i {
+            color: inherit;
+        }
+        
+        /* ===== АДАПТИВНОСТЬ ===== */
+        @media (max-width: 992px) {
+            .header-nav-wrapper .container {
+                flex-direction: column;
+                gap: 15px;
+                padding: 15px;
+            }
+            
+            .logo-container {
+                width: 100%;
+                justify-content: center;
+            }
+            
+            .header-nav {
+                width: 100%;
+                justify-content: center;
+                flex-wrap: wrap;
+            }
+            
+            .logo {
+                height: 50px !important;
+            }
+            
+            .header-title {
+                font-size: 1.5rem;
+            }
+        }
+        
+        @media (max-width: 768px) {
+            .container {
+                padding: 15px;
+            }
+            
+            .page-title {
+                font-size: 1.5rem;
+            }
+            
+            .header-nav .nav-link {
+                padding: 8px 15px;
+                font-size: 0.9rem;
+            }
+            
+            .btn {
+                width: 100%;
+                justify-content: center;
+            }
+            
+            .d-flex.justify-content-between {
+                flex-direction: column;
+                gap: 15px;
+                align-items: stretch !important;
+            }
+        }
+    </style>
+</head>
+<body>
+    <div class="main-container">
+        <!-- Header + Навигация в одной полосе -->
+        <div class="header-nav-wrapper">
+            <div class="container">
+                <div class="logo-container">
+                    <img src="{{ url_for('static', filename='favicon.png') }}" alt="Стройматериалы" class="logo">
+                    <h1 class="header-title">Стройматериалы</h1>
+                </div>
+                
+                <!-- Навигационные вкладки -->
+                {% if request.endpoint in ['index', 'orders_list', 'catalog'] %}
+                <div class="header-nav">
+                    <a class="nav-link {% if request.endpoint == 'index' %}active{% endif %}" href="{{ url_for('index') }}">
+                        <i class="fas fa-truck"></i> Поставщики
+                    </a>
+                    <a class="nav-link {% if request.endpoint == 'orders_list' %}active{% endif %}" href="{{ url_for('orders_list') }}">
+                        <i class="fas fa-clipboard-list"></i> Заказы
+                    </a>
+                    <a class="nav-link {% if request.endpoint == 'catalog' %}active{% endif %}" href="{{ url_for('catalog') }}">
+                        <i class="fas fa-cubes"></i> Материалы
+                    </a>
+                </div>
+                {% endif %}
+            </div>
+        </div>
+
+        <!-- Основной контент -->
+        <div class="container">
+            <!-- Flash сообщения -->
+            {% with messages = get_flashed_messages(with_categories=true) %}
+                {% if messages %}
+                    <div class="flashed-messages">
+                        {% for category, message in messages %}
+                            <div class="alert alert-{{ category }} alert-dismissible fade show">
+                                <i class="fas fa-info-circle me-2"></i>{{ message }}
+                                <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+                            </div>
+                        {% endfor %}
+                    </div>
+                {% endif %}
+            {% endwith %}
+
+            {% block content %}
+            {% endblock %}
+        </div>
+    </div>
+
+    <!-- Модальное окно с информацией о проекте -->
+    <div class="modal fade" id="projectInfoModal" tabindex="-1">
+        <div class="modal-dialog">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title">
+                        <i class="fas fa-info-circle"></i> О проекте
+                    </h5>
+                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
+                </div>
+                <div class="modal-body">
+                    <h5>Система учета строительных материалов</h5>
+                    <p>Управление поставщиками, заказами и каталогом материалов</p>
+                    
+                    <h6>Цветовая палитра:</h6>
+                    <div class="d-flex gap-2 mt-2 mb-3">
+                        <div style="width: 40px; height: 40px; background-color: #FAEBD7; border: 1px solid #DEB887;"></div>
+                        <div style="width: 40px; height: 40px; background-color: #DEB887; border: 1px solid #A0522D;"></div>
+                        <div style="width: 40px; height: 40px; background-color: #A0522D; border: 1px solid #8B4513;"></div>
+                        <div style="width: 40px; height: 40px; background-color: #8B4513; border: 1px solid #000;"></div>
+                    </div>
+                    
+                    <h6>Технологии:</h6>
+                    <div>
+                        <span class="badge bg-secondary me-1">Flask</span>
+                        <span class="badge bg-secondary me-1">SQLite</span>
+                        <span class="badge bg-secondary me-1">Bootstrap</span>
+                        <span class="badge bg-secondary me-1">Verdana</span>
+                    </div>
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Закрыть</button>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <!-- Bootstrap JS -->
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>
+    
+    <script>
+        document.addEventListener('DOMContentLoaded', function() {
+            // Tooltips
+            var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'));
+            tooltipTriggerList.map(function(tooltipTriggerEl) {
+                return new bootstrap.Tooltip(tooltipTriggerEl);
+            });
+            
+            // Auto-dismiss alerts after 5 seconds
+            setTimeout(function() {
+                document.querySelectorAll('.alert:not(.alert-permanent)').forEach(function(alert) {
+                    var bsAlert = new bootstrap.Alert(alert);
+                    bsAlert.close();
+                });
+            }, 5000);
+        });
+        
+        function showProjectInfo() {
+            var modal = new bootstrap.Modal(document.getElementById('projectInfoModal'));
+            modal.show();
+        }
+    </script>
+    
+    {% block scripts %}
+    {% endblock %}
+</body>
+</html>

templates/cart_new.html

@@ -0,0 +1,731 @@
+{% extends "base.html" %}
+
+{% block title %}Моя корзина{% endblock %}
+
+{% block content %}
+<div class="container">
+    <!-- Хлебные крошки -->
+    <nav aria-label="breadcrumb" class="mb-3">
+        <ol class="breadcrumb">
+            <li class="breadcrumb-item"><a href="{{ url_for('catalog') }}">Каталог материалов</a></li>
+            <li class="breadcrumb-item active">Корзина</li>
+        </ol>
+    </nav>
+
+    <div class="d-flex justify-content-between align-items-center mb-4">
+        <h2 class="page-title">
+            <i class="fas fa-shopping-cart"></i> Моя корзина
+        </h2>
+        <a href="{{ url_for('catalog') }}" class="btn btn-outline">
+            <i class="fas fa-arrow-left"></i> Продолжить покупки
+        </a>
+    </div>
+
+    {% if cart_items %}
+        <!-- Информация о транспортных расходах -->
+        <div class="info-card mb-3">
+            <div class="info-card-header">
+                <i class="fas fa-truck"></i> Транспортные расходы
+            </div>
+            <div class="info-card-body">
+                <p><i class="fas fa-info-circle"></i> Транспортные расходы составляют 10% от стоимости материалов</p>
+            </div>
+        </div>
+
+        <!-- Таблица материалов в корзине -->
+        <div class="cart-table-container">
+            <table class="cart-table">
+                <thead>
+                    <tr>
+                        <th>Материал</th>
+                        <th>Поставщик</th>
+                        <th>Артикул</th>
+                        <th>Категория</th>
+                        <th>Цена</th>
+                        <th style="text-align: center;">Количество</th>
+                        <th>Сумма</th>
+                        <th style="text-align: center;">Действия</th>
+                    </tr>
+                </thead>
+                <tbody id="cartBody">
+                    {% for item in cart_items %}
+                    <tr id="item-{{ item.key }}" data-price="{{ item.price }}" data-max="{{ item.in_stock }}" data-key="{{ item.key }}" data-supplier-id="{{ item.supplier_id }}" data-supplier-name="{{ item.supplier_name }}">
+                        <td data-label="Материал" class="product-name">{{ item.product_name }}</td>
+                        <td data-label="Поставщик">{{ item.supplier_name }}</td>
+                        <td data-label="Артикул">{{ item.article }}</td>
+                        <td data-label="Категория">{{ item.category_name }}</td>
+                        <td data-label="Цена" class="item-price">{{ item.price|int }} ₽</td>
+                        <td data-label="Количество" style="text-align: center;">
+                            <div class="quantity-control">
+                                <input type="number" class="quantity-input" 
+                                       value="{{ item.quantity }}" min="1" max="{{ item.in_stock }}" 
+                                       data-item-key="{{ item.key }}" 
+                                       id="quantity-{{ item.key }}"
+                                       placeholder="Кол-во">
+                            </div>
+                        </td>
+                        <td data-label="Сумма" class="item-total amount-value">{{ (item.price * item.quantity)|int }} ₽</td>
+                        <td data-label="Действия" style="text-align: center;">
+                            <button class="btn-remove remove-item" 
+                                    data-item-key="{{ item.key }}"
+                                    data-item-name="{{ item.product_name }}"
+                                    title="Удалить материал">
+                                <i class="fas fa-trash"></i>
+                            </button>
+                        </td>
+                    </tr>
+                    {% endfor %}
+                </tbody>
+                <tfoot>
+                    <tr class="cart-summary">
+                        <td colspan="5" class="text-end"><strong>Базовая сумма:</strong></td>
+                        <td colspan="2" class="total-amount" id="base-total">{{ total_amount|int }} ₽</td>
+                        <td></td>
+                    </tr>
+                    <tr class="cart-summary">
+                        <td colspan="5" class="text-end"><strong>Транспортные расходы (10%):</strong></td>
+                        <td colspan="2" class="total-amount" id="transport-cost">{{ (total_amount * 0.1)|int }} ₽</td>
+                        <td></td>
+                    </tr>
+                    <tr class="cart-total">
+                        <td colspan="5" class="text-end"><strong>ИТОГО к оплате:</strong></td>
+                        <td colspan="2" class="total-amount" id="cart-total">{{ (total_amount * 1.1)|int }} ₽</td>
+                        <td></td>
+                    </tr>
+                </tfoot>
+            </table>
+        </div>
+        
+        <!-- Информация о заказе по поставщикам -->
+        {% if cart_items|groupby('supplier_id') %}
+        <div class="supplier-orders mt-4">
+            <h4 class="section-title">Заказы по поставщикам</h4>
+            <div id="supplier-orders-container">
+                {% for supplier_id, items in cart_items|groupby('supplier_id') %}
+                    {% set supplier_total = 0 %}
+                    {% for item in items %}
+                        {% set supplier_total = supplier_total + (item.price * item.quantity) %}
+                    {% endfor %}
+                    {% set supplier_total_with_transport = supplier_total * 1.1 %}
+                    
+                    <div class="supplier-order-card mb-3" id="supplier-{{ supplier_id }}">
+                        <div class="supplier-order-header">
+                            <span><i class="fas fa-truck"></i> Поставщик: {{ items[0].supplier_name }}</span>
+                            <span class="supplier-order-total" id="supplier-total-{{ supplier_id }}">{{ supplier_total_with_transport|int }} ₽ (с транспортными расходами)</span>
+                        </div>
+                    </div>
+                {% endfor %}
+            </div>
+        </div>
+        {% endif %}
+        
+        <!-- Кнопка оформления заказа -->
+        <div class="cart-actions">
+            <form method="POST" action="{{ url_for('checkout') }}" id="checkoutForm">
+                <button type="submit" class="btn btn-primary btn-lg" 
+                        onclick="return confirm('Оформить заказ? Все материалы будут перемещены в заказы.')">
+                    <i class="fas fa-check"></i> Оформить заказ
+                </button>
+            </form>
+        </div>
+        
+    {% else %}
+        <!-- Пустая корзина -->
+        <div class="empty-cart">
+            <div class="empty-icon">
+                <i class="fas fa-shopping-cart"></i>
+            </div>
+            <h4 class="empty-title">Корзина пуста</h4>
+            <p class="empty-text">Добавьте материалы в корзину, чтобы оформить заказ</p>
+            <a href="{{ url_for('catalog') }}" class="btn btn-primary btn-lg">
+                <i class="fas fa-arrow-left"></i> Перейти в каталог
+            </a>
+        </div>
+    {% endif %}
+</div>
+
+<style>
+    /* ===== ОСНОВНЫЕ ПЕРЕМЕННЫЕ ===== */
+    :root {
+        --antique-white: #FAEBD7;
+        --light-brown: #DEB887;
+        --brown: #A0522D;
+        --dark-brown: #8B4513;
+    }
+
+    /* ===== ХЛЕБНЫЕ КРОШКИ ===== */
+    .breadcrumb {
+        background: none;
+        padding: 0;
+    }
+    
+    .breadcrumb-item a {
+        color: var(--brown);
+        text-decoration: none;
+        font-family: 'Verdana', sans-serif;
+        font-weight: 500;
+    }
+    
+    .breadcrumb-item a:hover {
+        text-decoration: underline;
+    }
+    
+    .breadcrumb-item.active {
+        color: #6c757d;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .breadcrumb-item + .breadcrumb-item::before {
+        color: var(--light-brown);
+    }
+
+    /* ===== ЗАГОЛОВОК ===== */
+    .page-title {
+        color: var(--brown);
+        font-size: 1.8rem;
+        font-weight: 600;
+        font-family: 'Verdana', sans-serif;
+        margin: 0;
+        display: flex;
+        align-items: center;
+        gap: 10px;
+    }
+    
+    .page-title i {
+        color: var(--brown);
+    }
+
+    /* ===== КНОПКИ ===== */
+    .btn {
+        padding: 10px 20px;
+        border-radius: 8px;
+        font-size: 0.95rem;
+        font-weight: 500;
+        font-family: 'Verdana', sans-serif;
+        border: none;
+        cursor: pointer;
+        display: inline-flex;
+        align-items: center;
+        gap: 8px;
+        text-decoration: none;
+    }
+    
+    .btn-primary {
+        background: var(--brown);
+        color: white;
+    }
+    
+    .btn-primary:hover {
+        background: var(--dark-brown);
+    }
+    
+    .btn-outline {
+        background: white;
+        border: 2px solid var(--brown);
+        color: var(--brown);
+    }
+    
+    .btn-outline:hover {
+        background: var(--antique-white);
+    }
+    
+    .btn-lg {
+        padding: 12px 30px;
+        font-size: 1.1rem;
+    }
+
+    /* ===== ИНФОРМАЦИОННАЯ КАРТОЧКА ===== */
+    .info-card {
+        background: white;
+        border: 1px solid var(--light-brown);
+        border-radius: 12px;
+        overflow: hidden;
+    }
+    
+    .info-card-header {
+        background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+        color: white;
+        padding: 12px 20px;
+        font-weight: 600;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .info-card-header i {
+        color: white;
+        margin-right: 8px;
+    }
+    
+    .info-card-body {
+        padding: 15px 20px;
+        background: var(--antique-white);
+    }
+    
+    .info-card-body p {
+        margin: 8px 0;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .info-card-body i {
+        color: var(--brown);
+        width: 20px;
+    }
+
+    /* ===== ТАБЛИЦА КОРЗИНЫ ===== */
+    .cart-table-container {
+        background: white;
+        border: 2px solid var(--brown);
+        border-radius: 12px;
+        overflow: hidden;
+    }
+    
+    .cart-table {
+        width: 100%;
+        border-collapse: collapse;
+    }
+    
+    .cart-table thead th {
+        background: var(--brown);
+        color: white;
+        font-weight: 600;
+        padding: 15px;
+        font-size: 1rem;
+        font-family: 'Verdana', sans-serif;
+        border-bottom: 2px solid var(--light-brown);
+        white-space: nowrap;
+    }
+    
+    .cart-table tbody td {
+        padding: 15px;
+        font-family: 'Verdana', sans-serif;
+        color: #2c3e50;
+        border-bottom: 2px solid var(--light-brown);
+        vertical-align: middle;
+        background-color: white;
+    }
+    
+    .cart-table tbody tr:last-child td {
+        border-bottom: none;
+    }
+    
+    .cart-table tbody tr:hover td {
+        background-color: var(--antique-white);
+    }
+    
+    .cart-table tfoot tr {
+        background: var(--antique-white);
+        border-top: 2px solid var(--brown);
+    }
+    
+    .cart-table tfoot td {
+        padding: 12px 15px !important;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .cart-summary td {
+        color: #2c3e50;
+    }
+    
+    .cart-total td {
+        background: var(--light-brown);
+        color: var(--dark-brown);
+        font-weight: 700;
+    }
+    
+    .total-amount {
+        font-weight: 700;
+        color: var(--dark-brown);
+        font-size: 1.1rem;
+    }
+    
+    .product-name {
+        font-weight: 600;
+        color: var(--brown);
+    }
+    
+    .section-title {
+        color: var(--brown);
+        font-size: 1.2rem;
+        font-weight: 600;
+        margin-bottom: 15px;
+        padding-bottom: 8px;
+        border-bottom: 2px solid var(--light-brown);
+        font-family: 'Verdana', sans-serif;
+    }
+
+    /* ===== УПРАВЛЕНИЕ КОЛИЧЕСТВОМ ===== */
+    .quantity-control {
+        display: flex;
+        align-items: center;
+        justify-content: center;
+    }
+    
+    .quantity-input {
+        width: 80px;
+        height: 40px;
+        border: 2px solid var(--light-brown);
+        border-radius: 8px;
+        text-align: center;
+        font-size: 1rem;
+        font-family: 'Verdana', sans-serif;
+        padding: 0 8px;
+        margin: 0;
+        background-color: white;
+        color: #2c3e50;
+        font-weight: 500;
+    }
+    
+    /* Убираем стрелки в поле ввода */
+    .quantity-input::-webkit-inner-spin-button,
+    .quantity-input::-webkit-outer-spin-button {
+        -webkit-appearance: none;
+        margin: 0;
+    }
+    
+    .quantity-input {
+        -moz-appearance: textfield;
+        appearance: textfield;
+    }
+    
+    .quantity-input:focus {
+        border-color: var(--brown);
+        outline: none;
+    }
+
+    /* ===== КНОПКА УДАЛЕНИЯ ===== */
+    .btn-remove {
+        background: white;
+        border: 2px solid #dc3545;
+        color: #dc3545;
+        width: 36px;
+        height: 36px;
+        border-radius: 8px;
+        cursor: pointer;
+        display: inline-flex;
+        align-items: center;
+        justify-content: center;
+        font-size: 1rem;
+        padding: 0;
+    }
+    
+    .btn-remove:hover {
+        background: #dc3545;
+        color: white;
+    }
+    
+    .btn-remove i {
+        color: inherit;
+    }
+    
+    .amount-value {
+        font-weight: 700;
+        color: var(--brown);
+        font-size: 1.1rem;
+    }
+
+    /* ===== КАРТОЧКИ ЗАКАЗОВ ПО ПОСТАВЩИКАМ ===== */
+    .supplier-order-card {
+        border: 1px solid var(--light-brown);
+        border-radius: 10px;
+        overflow: hidden;
+    }
+    
+    .supplier-order-header {
+        background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+        color: white;
+        padding: 12px 20px;
+        display: flex;
+        justify-content: space-between;
+        align-items: center;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .supplier-order-header i {
+        color: white;
+        margin-right: 8px;
+    }
+    
+    .supplier-order-total {
+        font-weight: 600;
+    }
+
+    /* ===== КНОПКА ОФОРМЛЕНИЯ ===== */
+    .cart-actions {
+        text-align: right;
+        margin-top: 25px;
+        padding-top: 20px;
+        border-top: 2px solid var(--light-brown);
+    }
+
+    /* ===== ПУСТАЯ КОРЗИНА ===== */
+    .empty-cart {
+        text-align: center;
+        padding: 60px 20px;
+        background: white;
+        border: 2px solid var(--brown);
+        border-radius: 12px;
+    }
+    
+    .empty-icon {
+        font-size: 5rem;
+        color: var(--light-brown);
+        margin-bottom: 20px;
+    }
+    
+    .empty-icon i {
+        color: var(--light-brown);
+    }
+    
+    .empty-title {
+        color: var(--brown);
+        font-size: 1.5rem;
+        font-weight: 600;
+        margin-bottom: 10px;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .empty-text {
+        color: #6c757d;
+        margin-bottom: 30px;
+        font-family: 'Verdana', sans-serif;
+    }
+
+    /* ===== АДАПТИВНОСТЬ ===== */
+    @media (max-width: 992px) {
+        .cart-table {
+            display: block;
+        }
+        
+        .cart-table thead {
+            display: none;
+        }
+        
+        .cart-table tbody tr {
+            display: block;
+            margin-bottom: 15px;
+            border: 2px solid var(--brown);
+            border-radius: 8px;
+            overflow: hidden;
+        }
+        
+        .cart-table tbody td {
+            display: flex;
+            justify-content: space-between;
+            align-items: center;
+            padding: 12px;
+            border-bottom: 2px solid var(--light-brown);
+            background-color: white;
+        }
+        
+        .cart-table tbody td:before {
+            content: attr(data-label);
+            font-weight: 600;
+            color: var(--brown);
+            margin-right: 10px;
+            min-width: 100px;
+        }
+        
+        .cart-table tbody tr:last-child td:last-child {
+            border-bottom: none;
+        }
+        
+        .cart-table tfoot {
+            display: block;
+        }
+        
+        .cart-total td,
+        .cart-summary td {
+            display: block;
+            text-align: left !important;
+            padding: 10px !important;
+        }
+        
+        .quantity-control {
+            justify-content: flex-end;
+        }
+        
+        .quantity-input {
+            width: 70px;
+        }
+        
+        .cart-actions {
+            text-align: center;
+        }
+        
+        .btn-lg {
+            width: 100%;
+            justify-content: center;
+        }
+        
+        .d-flex.justify-content-between {
+            flex-direction: column;
+            gap: 15px;
+            align-items: flex-start !important;
+        }
+        
+        .btn-outline {
+            width: 100%;
+            justify-content: center;
+        }
+        
+        .supplier-order-header {
+            flex-direction: column;
+            gap: 8px;
+            text-align: center;
+        }
+    }
+</style>
+
+<script>
+document.addEventListener('DOMContentLoaded', function() {
+    const quantityInputs = document.querySelectorAll('.quantity-input');
+    const removeButtons = document.querySelectorAll('.remove-item');
+    const updateTimers = {};
+    
+    function updateQuantity(itemKey, newQuantity) {
+        const row = document.getElementById(`item-${itemKey}`);
+        const price = parseFloat(row.dataset.price);
+        const maxStock = parseInt(row.dataset.max);
+        
+        if (newQuantity > maxStock) {
+            alert(`Максимально доступное количество: ${maxStock} ед.`);
+            return false;
+        }
+        
+        if (newQuantity < 1) newQuantity = 1;
+        
+        const totalCell = row.querySelector('.item-total');
+        totalCell.textContent = (price * newQuantity).toFixed(0) + ' ₽';
+        
+        updateCartTotal();
+        updateSupplierTotals();
+        
+        return true;
+    }
+    
+    function updateCartOnServer(itemKey, quantity) {
+        if (updateTimers[itemKey]) clearTimeout(updateTimers[itemKey]);
+        updateTimers[itemKey] = setTimeout(() => {
+            const form = document.createElement('form');
+            form.method = 'POST';
+            form.action = "{{ url_for('update_cart', item_key=0) }}".replace('0', itemKey);
+            form.style.display = 'none';
+            const input = document.createElement('input');
+            input.type = 'hidden';
+            input.name = 'quantity';
+            input.value = quantity;
+            form.appendChild(input);
+            document.body.appendChild(form);
+            form.submit();
+        }, 800);
+    }
+    
+    function updateCartTotal() {
+        let totalBase = 0;
+        document.querySelectorAll('.item-total').forEach(cell => {
+            const value = parseFloat(cell.textContent) || 0;
+            totalBase += value;
+        });
+        
+        const transport = totalBase * 0.1;
+        const totalWithTransport = totalBase + transport;
+        
+        document.getElementById('base-total').textContent = totalBase.toFixed(0) + ' ₽';
+        document.getElementById('transport-cost').textContent = transport.toFixed(0) + ' ₽';
+        document.getElementById('cart-total').textContent = totalWithTransport.toFixed(0) + ' ₽';
+    }
+    
+    function updateSupplierTotals() {
+        const supplierTotals = {};
+        
+        document.querySelectorAll('#cartBody tr').forEach(row => {
+            const supplierId = row.dataset.supplierId;
+            const supplierName = row.dataset.supplierName;
+            const totalCell = row.querySelector('.item-total');
+            const value = parseFloat(totalCell.textContent) || 0;
+            
+            if (!supplierTotals[supplierId]) {
+                supplierTotals[supplierId] = {
+                    name: supplierName,
+                    total: 0
+                };
+            }
+            supplierTotals[supplierId].total += value;
+        });
+        
+        // Обновляем отображение для каждого поставщика
+        for (const [supplierId, data] of Object.entries(supplierTotals)) {
+            const supplierTotalElement = document.getElementById(`supplier-total-${supplierId}`);
+            if (supplierTotalElement) {
+                const totalWithTransport = data.total * 1.1;
+                supplierTotalElement.textContent = totalWithTransport.toFixed(0) + ' ₽ (с транспортными расходами)';
+            }
+        }
+    }
+    
+    quantityInputs.forEach(input => {
+        // Запрещаем изменение стрелками на клавиатуре
+        input.addEventListener('keydown', function(e) {
+            if (e.key === 'ArrowUp' || e.key === 'ArrowDown') {
+                e.preventDefault();
+            }
+        });
+        
+        input.addEventListener('input', function() {
+            const itemKey = this.dataset.itemKey;
+            const row = document.getElementById(`item-${itemKey}`);
+            const maxStock = parseInt(row.dataset.max);
+            let newQuantity = parseInt(this.value);
+            
+            if (isNaN(newQuantity)) return;
+            
+            if (newQuantity > maxStock) {
+                this.value = maxStock;
+                newQuantity = maxStock;
+                alert(`Максимально доступное количество: ${maxStock} ед.`);
+            }
+            
+            if (newQuantity < 1) {
+                this.value = 1;
+                newQuantity = 1;
+            }
+            
+            if (updateQuantity(itemKey, newQuantity)) {
+                updateCartOnServer(itemKey, newQuantity);
+            }
+        });
+        
+        input.addEventListener('blur', function() {
+            const itemKey = this.dataset.itemKey;
+            let value = parseInt(this.value);
+            if (isNaN(value) || value < 1) {
+                this.value = 1;
+                value = 1;
+                updateQuantity(itemKey, 1);
+                updateCartOnServer(itemKey, 1);
+            }
+        });
+    });
+    
+    removeButtons.forEach(button => {
+        button.addEventListener('click', function(e) {
+            e.preventDefault();
+            const itemKey = this.dataset.itemKey;
+            const itemName = this.dataset.itemName;
+            
+            if (confirm(`Удалить материал "${itemName}" из корзины?`)) {
+                const form = document.createElement('form');
+                form.method = 'POST';
+                form.action = "{{ url_for('remove_from_cart', item_key=0) }}".replace('0', itemKey);
+                form.style.display = 'none';
+                document.body.appendChild(form);
+                form.submit();
+            }
+        });
+    });
+    
+    // Инициализация
+    updateCartTotal();
+    updateSupplierTotals();
+});
+</script>
+{% endblock %}

templates/catalog.html

@@ -0,0 +1,868 @@
+{% extends "base.html" %}
+
+{% block title %}Каталог материалов{% endblock %}
+
+{% block content %}
+    <!-- Заголовок с корзиной и кнопкой добавления -->
+    <div class="d-flex justify-content-between align-items-center mb-4">
+        <h2 class="page-title">Каталог материалов</h2>
+        <div class="d-flex gap-2">
+            <a href="{{ url_for('add_product') }}" class="btn btn-primary">
+                <i class="fas fa-plus"></i> Добавить материал
+            </a>
+            <a href="{{ url_for('view_cart') }}" class="btn btn-primary">
+                <i class="fas fa-shopping-cart"></i> Корзина
+                {% if cart_count > 0 %}
+                    <span class="cart-badge">{{ cart_count }}</span>
+                {% endif %}
+            </a>
+        </div>
+    </div>
+
+    <!-- Поиск и сортировка - УЛУЧШЕННЫЙ UX -->
+    <div class="search-section mb-4">
+        <div class="search-header">
+            <h4 class="search-title">
+                <i class="fas fa-sliders-h"></i> Фильтры и поиск
+            </h4>
+            <a href="{{ url_for('catalog') }}" class="btn-clear">
+                <i class="fas fa-times"></i> Сбросить все
+            </a>
+        </div>
+        
+        <form method="GET" action="{{ url_for('catalog') }}" id="filterForm" class="search-form">
+            <!-- Строка поиска -->
+            <div class="search-row">
+                <div class="search-input-wrapper">
+                    <i class="fas fa-search search-icon"></i>
+                    <input type="text" class="search-input" name="search" id="search" 
+                           placeholder="Поиск по названию или артикулу..." 
+                           value="{{ request.args.get('search', '') }}" autocomplete="off">
+                    {% if request.args.get('search') %}
+                        <a href="{{ url_for('catalog', category=request.args.get('category'), sort=request.args.get('sort'), supplier=request.args.get('supplier')) }}" class="search-clear">
+                            <i class="fas fa-times-circle"></i>
+                        </a>
+                    {% endif %}
+                </div>
+            </div>
+
+            <!-- Фильтры -->
+            <div class="filters-row">
+                <div class="filter-group">
+                    <label for="supplier" class="filter-label">
+                        <i class="fas fa-truck"></i> Поставщик
+                    </label>
+                    <select class="filter-select" name="supplier" id="supplier">
+                        <option value="all" {% if request.args.get('supplier') == 'all' or not request.args.get('supplier') %}selected{% endif %}>Все поставщики</option>
+                        {% for supplier in suppliers %}
+                            <option value="{{ supplier.id }}" {% if request.args.get('supplier')|int == supplier.id %}selected{% endif %}>
+                                {{ supplier.name }}
+                            </option>
+                        {% endfor %}
+                    </select>
+                </div>
+
+                <div class="filter-group">
+                    <label for="category" class="filter-label">
+                        <i class="fas fa-tag"></i> Категория
+                    </label>
+                    <select class="filter-select" name="category" id="category">
+                        <option value="all" {% if request.args.get('category') == 'all' or not request.args.get('category') %}selected{% endif %}>Все категории</option>
+                        {% for category in categories %}
+                            <option value="{{ category.id }}" {% if request.args.get('category')|int == category.id %}selected{% endif %}>
+                                {{ category.category_name }}
+                            </option>
+                        {% endfor %}
+                    </select>
+                </div>
+
+                <div class="filter-group">
+                    <label for="sort" class="filter-label">
+                        <i class="fas fa-sort-amount-down"></i> Сортировка
+                    </label>
+                    <select class="filter-select" name="sort" id="sort">
+                        <option value="name_asc" {% if request.args.get('sort') == 'name_asc' or not request.args.get('sort') %}selected{% endif %}>Название (А-Я)</option>
+                        <option value="name_desc" {% if request.args.get('sort') == 'name_desc' %}selected{% endif %}>Название (Я-А)</option>
+                        <option value="price_asc" {% if request.args.get('sort') == 'price_asc' %}selected{% endif %}>Сначала дешевые</option>
+                        <option value="price_desc" {% if request.args.get('sort') == 'price_desc' %}selected{% endif %}>Сначала дорогие</option>
+                        <option value="stock_desc" {% if request.args.get('sort') == 'stock_desc' %}selected{% endif %}>По наличию</option>
+                    </select>
+                </div>
+
+                <button type="submit" class="btn-apply">
+                    <i class="fas fa-check"></i> Применить
+                </button>
+            </div>
+        </form>
+    </div>
+
+    <!-- Активные фильтры -->
+    {% if request.args.get('search') or (request.args.get('category') and request.args.get('category') != 'all') or (request.args.get('supplier') and request.args.get('supplier') != 'all') %}
+    <div class="active-filters mb-3">
+        <span class="active-filters-label">Активные фильтры:</span>
+        <div class="filter-tags">
+            {% if request.args.get('search') %}
+                <span class="filter-tag">
+                    Поиск: "{{ request.args.get('search') }}"
+                    <a href="{{ url_for('catalog', category=request.args.get('category'), sort=request.args.get('sort'), supplier=request.args.get('supplier')) }}" class="remove-tag">
+                        <i class="fas fa-times"></i>
+                    </a>
+                </span>
+            {% endif %}
+            {% if request.args.get('category') and request.args.get('category') != 'all' %}
+                <span class="filter-tag">
+                    {% for category in categories %}
+                        {% if category.id == request.args.get('category')|int %}
+                            Категория: {{ category.category_name }}
+                        {% endif %}
+                    {% endfor %}
+                    <a href="{{ url_for('catalog', search=request.args.get('search'), sort=request.args.get('sort'), supplier=request.args.get('supplier')) }}" class="remove-tag">
+                        <i class="fas fa-times"></i>
+                    </a>
+                </span>
+            {% endif %}
+            {% if request.args.get('supplier') and request.args.get('supplier') != 'all' %}
+                <span class="filter-tag">
+                    {% for supplier in suppliers %}
+                        {% if supplier.id == request.args.get('supplier')|int %}
+                            Поставщик: {{ supplier.name }}
+                        {% endif %}
+                    {% endfor %}
+                    <a href="{{ url_for('catalog', search=request.args.get('search'), category=request.args.get('category'), sort=request.args.get('sort')) }}" class="remove-tag">
+                        <i class="fas fa-times"></i>
+                    </a>
+                </span>
+            {% endif %}
+        </div>
+    </div>
+    {% endif %}
+
+    <!-- КАТАЛОГ МАТЕРИАЛОВ -->
+    {% if products %}
+        <div class="row">
+            {% for product in products %}
+            <div class="col-12">
+                <div class="product-card">
+                    <!-- Первая строка: Категория | Название -->
+                    <div class="product-header">
+                        <div class="product-name-line">
+                            <span class="product-category">
+                                {{ product.category_name }}
+                            </span>
+                            <span class="divider">|</span>
+                            <span class="product-name">{{ product.product_name }}</span>
+                        </div>
+                        <div class="stock-info">
+                            <span class="stock-amount">
+                                {% if product.quantity_in_stock and product.quantity_in_stock > 0 %}
+                                    {{ product.quantity_in_stock }} ед.
+                                {% else %}
+                                    Нет в наличии
+                                {% endif %}
+                            </span>
+                        </div>
+                    </div>
+
+                    <!-- Информация о материале -->
+                    <div class="product-info-row">
+                        <span class="info-label">Артикул:</span>
+                        <span class="info-value">{{ product.article }}</span>
+                    </div>
+
+                    <div class="product-info-row">
+                        <span class="info-label">Материал:</span>
+                        <span class="info-value">
+                            {% if product.material_name %}
+                                {{ product.material_name }}
+                            {% else %}
+                                Не указан
+                            {% endif %}
+                        </span>
+                    </div>
+
+                    <div class="product-info-row">
+                        <span class="info-label">Поставщик:</span>
+                        <span class="info-value">
+                            {% if product.supplier_name %}
+                                {{ product.supplier_name }}
+                            {% else %}
+                                Не указан
+                            {% endif %}
+                        </span>
+                    </div>
+
+                    {% if product.description %}
+                    <div class="product-info-row">
+                        <span class="info-label">Описание:</span>
+                        <span class="info-value">{{ product.description }}</span>
+                    </div>
+                    {% endif %}
+
+                    <div class="product-info-row">
+                        <span class="info-label">Цена:</span>
+                        <span class="info-value price-value">{{ product.min_price|int }} руб.</span>
+                    </div>
+
+                    <!-- Кнопки действий с выбором поставщика -->
+                    <div class="product-buttons-container">
+                        <a href="{{ url_for('edit_product', product_id=product.id) }}" class="btn-action btn-edit">
+                            <i class="fas fa-edit"></i> Редактирование
+                        </a>
+                        
+                        <!-- Форма добавления в корзину с выбором поставщика -->
+                        <form method="POST" action="{{ url_for('add_to_cart', product_id=product.id) }}" style="flex: 1;" class="add-to-cart-form">
+                            <div class="supplier-select-wrapper" style="display: flex; gap: 5px;">
+                                <select name="supplier_id" class="supplier-select" required style="flex: 1; padding: 8px; border: 2px solid #DEB887; border-radius: 8px; font-family: 'Verdana', sans-serif;">
+                                    <option value="" disabled selected>Выберите поставщика</option>
+                                    {% for supplier in suppliers %}
+                                        <option value="{{ supplier.id }}">{{ supplier.name }}</option>
+                                    {% endfor %}
+                                </select>
+                                <input type="hidden" name="quantity" value="1">
+                                <button type="submit" class="btn-action btn-add" style="width: auto; padding: 8px 15px;"
+                                        {% if not product.quantity_in_stock or product.quantity_in_stock == 0 %}disabled{% endif %}>
+                                    <i class="fas fa-cart-plus"></i> В корзину
+                                </button>
+                            </div>
+                        </form>
+                    </div>
+                </div>
+            </div>
+            {% endfor %}
+        </div>
+        
+        <!-- Информация о результатах -->
+        <div class="row mt-3">
+            <div class="col-12">
+                <p class="text-muted">
+                    <i class="fas fa-info-circle"></i> 
+                    Найдено материалов: <strong>{{ products|length }}</strong>
+                    {% if request.args.get('search') %}
+                        по запросу "{{ request.args.get('search') }}"
+                    {% endif %}
+                    {% if request.args.get('category') and request.args.get('category') != 'all' %}
+                        {% for category in categories %}
+                            {% if category.id == request.args.get('category')|int %}
+                                , категория: {{ category.category_name }}
+                            {% endif %}
+                        {% endfor %}
+                    {% endif %}
+                    {% if request.args.get('supplier') and request.args.get('supplier') != 'all' %}
+                        {% for supplier in suppliers %}
+                            {% if supplier.id == request.args.get('supplier')|int %}
+                                , поставщик: {{ supplier.name }}
+                            {% endif %}
+                        {% endfor %}
+                    {% endif %}
+                </p>
+            </div>
+        </div>
+        
+    {% else %}
+        <div class="alert alert-info">
+            <i class="fas fa-info-circle"></i> 
+            {% if request.args.get('search') or request.args.get('category') != 'all' or request.args.get('supplier') != 'all' %}
+                <strong>Ничего не найдено</strong> по вашему запросу.
+                <br><a href="{{ url_for('catalog') }}" class="alert-link">Сбросить все фильтры</a>
+            {% else %}
+                В каталоге нет материалов. <a href="{{ url_for('add_product') }}" class="alert-link">Добавьте первый материал</a>.
+            {% endif %}
+        </div>
+    {% endif %}
+
+    <!-- JavaScript -->
+    <script>
+        let filterTimeout;
+        
+        document.getElementById('supplier').addEventListener('change', function() {
+            clearTimeout(filterTimeout);
+            filterTimeout = setTimeout(() => {
+                document.getElementById('filterForm').submit();
+            }, 300);
+        });
+        
+        document.getElementById('category').addEventListener('change', function() {
+            clearTimeout(filterTimeout);
+            filterTimeout = setTimeout(() => {
+                document.getElementById('filterForm').submit();
+            }, 300);
+        });
+        
+        document.getElementById('sort').addEventListener('change', function() {
+            clearTimeout(filterTimeout);
+            filterTimeout = setTimeout(() => {
+                document.getElementById('filterForm').submit();
+            }, 300);
+        });
+        
+        let searchTimeout;
+        document.getElementById('search').addEventListener('input', function() {
+            clearTimeout(searchTimeout);
+            searchTimeout = setTimeout(() => {
+                if (this.value.length >= 2 || this.value.length === 0) {
+                    document.getElementById('filterForm').submit();
+                }
+            }, 800);
+        });
+        
+        document.getElementById('search').addEventListener('keypress', function(e) {
+            if (e.key === 'Enter') {
+                e.preventDefault();
+                document.getElementById('filterForm').submit();
+            }
+        });
+
+        // Валидация выбора поставщика перед отправкой
+        document.querySelectorAll('.add-to-cart-form').forEach(form => {
+            form.addEventListener('submit', function(e) {
+                const select = this.querySelector('.supplier-select');
+                if (!select.value) {
+                    e.preventDefault();
+                    alert('Пожалуйста, выберите поставщика');
+                }
+            });
+        });
+    </script>
+
+    <style>
+        .page-title {
+            color: #A0522D;
+            font-size: 1.8rem;
+            font-weight: 600;
+            font-family: 'Verdana', sans-serif;
+        }
+        
+        .d-flex.gap-2 {
+            gap: 10px;
+        }
+        
+        .btn-primary {
+            background: #A0522D;
+            color: white;
+            border: none;
+            border-radius: 8px;
+            padding: 10px 20px;
+            font-family: 'Verdana', sans-serif;
+            text-decoration: none;
+            display: inline-flex;
+            align-items: center;
+            gap: 5px;
+        }
+        
+        .btn-primary:hover {
+            background: #8B4513;
+            transform: translateY(-1px);
+            box-shadow: 0 4px 8px rgba(160, 82, 45, 0.2);
+        }
+        
+        .cart-badge {
+            background-color: #8B4513;
+            color: white;
+            border-radius: 50%;
+            padding: 2px 6px;
+            font-size: 0.7rem;
+            margin-left: 5px;
+            min-width: 18px;
+            text-align: center;
+        }
+
+        /* ===== УЛУЧШЕННЫЙ ПОИСК И ФИЛЬТРЫ ===== */
+        .search-section {
+            background: white;
+            border-radius: 16px;
+            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
+            padding: 20px;
+            margin-bottom: 25px;
+            border: 1px solid #DEB887;
+        }
+        
+        .search-header {
+            display: flex;
+            justify-content: space-between;
+            align-items: center;
+            margin-bottom: 20px;
+        }
+        
+        .search-title {
+            font-size: 1.2rem;
+            font-weight: 600;
+            color: #2c3e50;
+            margin: 0;
+            display: flex;
+            align-items: center;
+            gap: 8px;
+        }
+        
+        .search-title i {
+            color: #A0522D;
+        }
+        
+        .btn-clear {
+            background: none;
+            border: 1px solid #DEB887;
+            padding: 8px 16px;
+            border-radius: 30px;
+            color: #6c757d;
+            font-size: 0.9rem;
+            transition: all 0.2s ease;
+            text-decoration: none;
+            display: inline-flex;
+            align-items: center;
+            gap: 5px;
+        }
+        
+        .btn-clear:hover {
+            background: #FAEBD7;
+            border-color: #A0522D;
+            color: #A0522D;
+        }
+        
+        .search-form {
+            display: flex;
+            flex-direction: column;
+            gap: 15px;
+        }
+        
+        .search-row {
+            width: 100%;
+        }
+        
+        .search-input-wrapper {
+            position: relative;
+            width: 100%;
+        }
+        
+        .search-icon {
+            position: absolute;
+            left: 15px;
+            top: 50%;
+            transform: translateY(-50%);
+            color: #adb5bd;
+            font-size: 1rem;
+            pointer-events: none;
+        }
+        
+        .search-input {
+            width: 100%;
+            height: 48px;
+            padding: 0 45px 0 45px;
+            border: 2px solid #DEB887;
+            border-radius: 30px;
+            font-size: 1rem;
+            transition: all 0.2s ease;
+            background: white;
+        }
+        
+        .search-input:focus {
+            outline: none;
+            border-color: #A0522D;
+            box-shadow: 0 0 0 4px rgba(160, 82, 45, 0.1);
+        }
+        
+        .search-input::placeholder {
+            color: #adb5bd;
+        }
+        
+        .search-clear {
+            position: absolute;
+            right: 15px;
+            top: 50%;
+            transform: translateY(-50%);
+            color: #adb5bd;
+            text-decoration: none;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+        }
+        
+        .search-clear:hover {
+            color: #A0522D;
+        }
+        
+        .filters-row {
+            display: flex;
+            gap: 15px;
+            align-items: flex-end;
+            flex-wrap: wrap;
+        }
+        
+        .filter-group {
+            flex: 1;
+            min-width: 180px;
+        }
+        
+        .filter-label {
+            display: block;
+            font-size: 0.85rem;
+            font-weight: 600;
+            color: #495057;
+            margin-bottom: 6px;
+            letter-spacing: 0.3px;
+        }
+        
+        .filter-label i {
+            color: #A0522D;
+            margin-right: 4px;
+            font-size: 0.8rem;
+        }
+        
+        .filter-select {
+            width: 100%;
+            height: 42px;
+            padding: 0 35px 0 12px;
+            border: 2px solid #DEB887;
+            border-radius: 10px;
+            font-size: 0.95rem;
+            color: #2c3e50;
+            background-color: white;
+            cursor: pointer;
+            transition: all 0.2s ease;
+            appearance: none;
+            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23A0522D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
+            background-repeat: no-repeat;
+            background-position: right 12px center;
+            background-size: 16px;
+        }
+        
+        .filter-select:hover {
+            border-color: #A0522D;
+        }
+        
+        .filter-select:focus {
+            outline: none;
+            border-color: #A0522D;
+            box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.1);
+        }
+        
+        .btn-apply {
+            background: #A0522D;
+            color: white;
+            border: none;
+            padding: 0 25px;
+            height: 42px;
+            border-radius: 10px;
+            font-size: 0.95rem;
+            font-weight: 500;
+            cursor: pointer;
+            transition: all 0.2s ease;
+            display: inline-flex;
+            align-items: center;
+            gap: 8px;
+            white-space: nowrap;
+        }
+        
+        .btn-apply:hover {
+            background: #8B4513;
+            transform: translateY(-2px);
+            box-shadow: 0 4px 12px rgba(160, 82, 45, 0.3);
+        }
+        
+        /* Активные фильтры */
+        .active-filters {
+            display: flex;
+            align-items: center;
+            gap: 10px;
+            flex-wrap: wrap;
+            padding: 10px 15px;
+            background: #FAEBD7;
+            border-radius: 30px;
+            font-size: 0.9rem;
+            margin-bottom: 20px;
+            border: 1px solid #DEB887;
+        }
+        
+        .active-filters-label {
+            color: #6c757d;
+            font-weight: 500;
+        }
+        
+        .filter-tags {
+            display: flex;
+            gap: 8px;
+            flex-wrap: wrap;
+        }
+        
+        .filter-tag {
+            background: white;
+            border: 1px solid #DEB887;
+            padding: 6px 12px;
+            border-radius: 30px;
+            font-size: 0.9rem;
+            color: #2c3e50;
+            display: inline-flex;
+            align-items: center;
+            gap: 8px;
+        }
+        
+        .remove-tag {
+            color: #adb5bd;
+            text-decoration: none;
+            display: inline-flex;
+            align-items: center;
+            font-size: 0.8rem;
+        }
+        
+        .remove-tag:hover {
+            color: #dc3545;
+        }
+
+        /* ===== КАРТОЧКИ МАТЕРИАЛОВ ===== */
+        .product-card {
+            background: white;
+            border: 1px solid #DEB887;
+            border-radius: 12px;
+            padding: 20px;
+            margin-bottom: 15px;
+            box-shadow: 0 4px 8px rgba(160, 82, 45, 0.1);
+            transition: all 0.2s ease;
+        }
+        
+        .product-card:hover {
+            box-shadow: 0 8px 16px rgba(160, 82, 45, 0.2);
+            border-color: #A0522D;
+        }
+        
+        .product-header {
+            display: flex;
+            justify-content: space-between;
+            align-items: center;
+            margin-bottom: 15px;
+            padding-bottom: 10px;
+            border-bottom: 2px solid #DEB887;
+        }
+        
+        .product-name-line {
+            display: flex;
+            align-items: center;
+            gap: 10px;
+            flex-wrap: wrap;
+        }
+        
+        .product-category {
+            background-color: transparent;
+            color: #A0522D;
+            padding: 5px 15px;
+            border-radius: 20px;
+            font-size: 0.9rem;
+            font-weight: 600;
+            text-transform: uppercase;
+            font-family: 'Verdana', sans-serif;
+            border: 2px solid #DEB887;
+        }
+        
+        .divider {
+            color: #A0522D;
+            font-weight: 600;
+        }
+        
+        .product-name {
+            color: #8B4513;
+            font-size: 1.2rem;
+            font-weight: 600;
+            font-family: 'Verdana', sans-serif;
+        }
+        
+        .stock-info {
+            display: flex;
+            align-items: center;
+        }
+        
+        .stock-amount {
+            color: #A0522D;
+            font-weight: 600;
+            font-size: 0.9rem;
+            background-color: #FAEBD7;
+            padding: 5px 10px;
+            border-radius: 6px;
+        }
+        
+        .product-info-row {
+            display: flex;
+            margin-bottom: 8px;
+            padding: 8px 0;
+            border-bottom: 1px dashed #DEB887;
+            font-family: 'Verdana', sans-serif;
+        }
+        
+        .product-info-row:last-of-type {
+            border-bottom: none;
+        }
+        
+        .info-label {
+            width: 100px;
+            color: #6c757d;
+            font-weight: 500;
+        }
+        
+        .info-value {
+            flex: 1;
+            color: #2c3e50;
+            font-weight: 500;
+        }
+        
+        .price-value {
+            color: #A0522D;
+            font-weight: 700;
+            font-size: 1.1rem;
+        }
+        
+        .product-buttons-container {
+            display: flex;
+            gap: 10px;
+            margin-top: 15px;
+            padding-top: 15px;
+            border-top: 2px solid #DEB887;
+        }
+        
+        .btn-action {
+            text-align: center;
+            padding: 10px 15px;
+            border-radius: 8px;
+            font-size: 0.95rem;
+            font-weight: 500;
+            transition: all 0.2s ease;
+            text-decoration: none;
+            font-family: 'Verdana', sans-serif;
+            border: none;
+            cursor: pointer;
+        }
+        
+        .btn-edit {
+            background: linear-gradient(135deg, #DEB887 0%, #C17B4A 100%);
+            color: #2c3e50;
+        }
+        
+        .btn-edit:hover {
+            background: linear-gradient(135deg, #C17B4A 0%, #DEB887 100%);
+            transform: translateY(-2px);
+            box-shadow: 0 4px 8px rgba(160, 82, 45, 0.1);
+        }
+        
+        .btn-add {
+            background: linear-gradient(135deg, #A0522D 0%, #8B4513 100%);
+            color: white;
+        }
+        
+        .btn-add:hover {
+            background: linear-gradient(135deg, #8B4513 0%, #A0522D 100%);
+            transform: translateY(-2px);
+            box-shadow: 0 4px 8px rgba(160, 82, 45, 0.3);
+        }
+        
+        .btn-add:disabled {
+            background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
+            cursor: not-allowed;
+            transform: none;
+            box-shadow: none;
+            opacity: 0.6;
+        }
+
+        .supplier-select {
+            border: 2px solid #DEB887;
+            border-radius: 8px;
+            padding: 8px;
+            font-family: 'Verdana', sans-serif;
+            background-color: white;
+            width: 100%;
+        }
+        
+        .supplier-select:focus {
+            border-color: #A0522D;
+            outline: none;
+        }
+
+        /* ===== ДОПОЛНИТЕЛЬНЫЕ ЭЛЕМЕНТЫ ===== */
+        .text-muted {
+            font-family: 'Verdana', sans-serif;
+            margin: 0;
+            color: #6c757d;
+        }
+        
+        .alert {
+            border-radius: 12px;
+            border: 1px solid #DEB887;
+            background: #FAEBD7;
+            border-left: 4px solid #A0522D;
+            font-family: 'Verdana', sans-serif;
+            padding: 15px 20px;
+        }
+        
+        .alert-link {
+            color: #A0522D;
+            font-weight: 600;
+            text-decoration: none;
+        }
+        
+        .alert-link:hover {
+            text-decoration: underline;
+        }
+        
+        i {
+            color: #A0522D;
+            margin-right: 6px;
+        }
+        
+        .btn-primary i, .btn-clear i, .btn-apply i, .btn-action i {
+            color: inherit;
+        }
+
+        /* ===== АДАПТИВНОСТЬ ===== */
+        @media (max-width: 768px) {
+            .filters-row {
+                flex-direction: column;
+                gap: 10px;
+            }
+            
+            .filter-group {
+                width: 100%;
+            }
+            
+            .btn-apply {
+                width: 100%;
+                justify-content: center;
+            }
+            
+            .active-filters {
+                flex-direction: column;
+                align-items: flex-start;
+                border-radius: 12px;
+            }
+            
+            .product-header {
+                flex-direction: column;
+                align-items: flex-start;
+                gap: 10px;
+            }
+            
+            .stock-info {
+                width: 100%;
+                justify-content: flex-start;
+            }
+            
+            .product-info-row {
+                flex-direction: column;
+            }
+            
+            .info-label {
+                width: 100%;
+                margin-bottom: 3px;
+            }
+            
+            .product-buttons-container {
+                flex-direction: column;
+            }
+            
+            .supplier-select-wrapper {
+                flex-direction: column;
+            }
+            
+            .d-flex.gap-2 {
+                flex-direction: column;
+            }
+            
+            .d-flex.gap-2 .btn {
+                width: 100%;
+            }
+        }
+    </style>
+{% endblock %}

templates/components/header.html

@@ -0,0 +1,8 @@
+<div class="header">
+    <div class="container">
+        <div class="logo-container">
+            <img src="{{ url_for('static', filename='favicon.png') }}" alt="Стройматериалы" class="logo">
+            <h1 class="header-title">Строительные материалы</h1>
+        </div>
+    </div>
+</div>

templates/components/partner_card.html

@@ -0,0 +1,249 @@
+<div class="col-12">
+    <div class="supplier-card">
+        <!-- Верхняя часть с типом и названием -->
+        <div class="supplier-header">
+            <div class="supplier-type-badge">
+                {% if partner.contractor_type_name %}
+                    {{ partner.contractor_type_name }}
+                {% else %}
+                    Тип не указан
+                {% endif %}
+            </div>
+            <div class="supplier-name">{{ partner.name }}</div>
+            <!-- Удален блок supplier-orders -->
+        </div>
+
+        <!-- Основная информация в две колонки -->
+        <div class="supplier-info-grid">
+            <div class="info-column">
+                <div class="info-item">
+                    <span class="info-label">Директор:</span>
+                    <span class="info-value">{{ partner.director or 'Не указан' }}</span>
+                </div>
+                <div class="info-item">
+                    <span class="info-label">Телефон:</span>
+                    <span class="info-value">{{ partner.phone or 'Не указан' }}</span>
+                </div>
+            </div>
+            <div class="info-column">
+                <div class="info-item">
+                    <span class="info-label">Рейтинг:</span>
+                    <span class="info-value">
+                        <span class="rating-badge" style="background-color: {% if partner.rating >= 4 %}#A0522D{% elif partner.rating >= 3 %}#DEB887{% else %}#8B4513{% endif %}; color: white;">
+                            {{ partner.rating }}
+                        </span>
+                    </span>
+                </div>
+                <div class="info-item">
+                    <span class="info-label">Сумма заказов:</span>
+                    <span class="info-value">{{ "%.2f"|format(partner.total_sales) }} руб.</span>
+                </div>
+            </div>
+        </div>
+
+        <!-- Кнопки действий в ряд -->
+        <div class="supplier-actions">
+            <a href="{{ url_for('edit_client', client_id=partner.id) }}" class="action-btn edit-btn">
+                Редактировать
+            </a>
+            <a href="{{ url_for('add_order', client_id=partner.id) }}" class="action-btn add-btn">
+                Добавить заказ
+            </a>
+            <a href="{{ url_for('order_history', client_id=partner.id) }}" class="action-btn history-btn">
+                История
+            </a>
+        </div>
+    </div>
+</div>
+
+<style>
+    /* Убираем стандартные outline у всех элементов */
+    * {
+        outline: none !important;
+        -webkit-tap-highlight-color: transparent !important;
+    }
+    
+    .supplier-card {
+        background: linear-gradient(135deg, #FAEBD7 0%, #F5DEB3 100%);
+        border: 1px solid #DEB887;
+        border-radius: 16px;
+        padding: 20px;
+        margin-bottom: 20px;
+        box-shadow: 0 4px 12px rgba(160, 82, 45, 0.1);
+        transition: box-shadow 0.2s ease;
+    }
+    
+    .supplier-card:hover {
+        box-shadow: 0 8px 20px rgba(160, 82, 45, 0.15);
+        border-color: #A0522D;
+    }
+    
+    /* Заголовок карточки */
+    .supplier-header {
+        display: flex;
+        align-items: center;
+        gap: 15px;
+        margin-bottom: 20px;
+        padding-bottom: 15px;
+        border-bottom: 2px solid #DEB887;
+        flex-wrap: wrap;
+    }
+    
+    .supplier-type-badge {
+        background: white;
+        border: 2px solid #A0522D;
+        color: #A0522D;
+        padding: 6px 15px;
+        border-radius: 30px;
+        font-size: 0.9rem;
+        font-weight: 600;
+        font-family: 'Verdana', sans-serif;
+        white-space: nowrap;
+    }
+    
+    .supplier-name {
+        color: #A0522D;
+        font-size: 1.3rem;
+        font-weight: 600;
+        font-family: 'Verdana', sans-serif;
+        flex: 1;
+    }
+    
+    /* Сетка информации */
+    .supplier-info-grid {
+        display: grid;
+        grid-template-columns: 1fr 1fr;
+        gap: 20px;
+        margin-bottom: 20px;
+    }
+    
+    .info-column {
+        display: flex;
+        flex-direction: column;
+        gap: 12px;
+    }
+    
+    .info-item {
+        display: flex;
+        align-items: center;
+        gap: 10px;
+        font-family: 'Verdana', sans-serif;
+        padding: 5px 0;
+    }
+    
+    .info-label {
+        color: #8B7355;
+        font-weight: 500;
+        min-width: 70px;
+    }
+    
+    .info-value {
+        color: #5D3A1A;
+        font-weight: 500;
+        flex: 1;
+    }
+    
+    .rating-badge {
+        display: inline-block;
+        padding: 4px 12px;
+        border-radius: 20px;
+        font-size: 0.85rem;
+        font-weight: 600;
+    }
+    
+    /* Кнопки действий */
+    .supplier-actions {
+        display: flex;
+        gap: 10px;
+        margin-top: 15px;
+        padding-top: 15px;
+        border-top: 2px solid #DEB887;
+    }
+    
+    .action-btn {
+        flex: 1;
+        display: inline-flex;
+        align-items: center;
+        justify-content: center;
+        padding: 10px 15px;
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-weight: 500;
+        font-family: 'Verdana', sans-serif;
+        text-decoration: none;
+        transition: background 0.2s ease, transform 0.2s ease;
+        border: none;
+        cursor: pointer;
+    }
+    
+    /* Убираем outline при фокусе */
+    .action-btn:focus {
+        outline: none;
+        box-shadow: none;
+    }
+    
+    .edit-btn {
+        background: linear-gradient(135deg, #DEB887 0%, #C17B4A 100%);
+        color: #2c3e50;
+    }
+    
+    .edit-btn:hover {
+        background: linear-gradient(135deg, #C17B4A 0%, #DEB887 100%);
+        transform: translateY(-2px);
+    }
+    
+    .add-btn {
+        background: linear-gradient(135deg, #A0522D 0%, #8B4513 100%);
+        color: white;
+    }
+    
+    .add-btn:hover {
+        background: linear-gradient(135deg, #8B4513 0%, #A0522D 100%);
+        transform: translateY(-2px);
+    }
+    
+    .history-btn {
+        background: linear-gradient(135deg, #8B7355 0%, #5D3A1A 100%);
+        color: white;
+    }
+    
+    .history-btn:hover {
+        background: linear-gradient(135deg, #5D3A1A 0%, #8B7355 100%);
+        transform: translateY(-2px);
+    }
+    
+    /* Адаптивность */
+    @media (max-width: 992px) {
+        .supplier-header {
+            flex-direction: column;
+            align-items: flex-start;
+        }
+        
+        .supplier-name {
+            width: 100%;
+        }
+        
+        .supplier-info-grid {
+            grid-template-columns: 1fr;
+            gap: 10px;
+        }
+        
+        .supplier-actions {
+            flex-direction: column;
+        }
+        
+        .action-btn {
+            width: 100%;
+        }
+    }
+    
+    @media (max-width: 768px) {
+        .info-item {
+            flex-wrap: wrap;
+        }
+        
+        .info-label {
+            min-width: auto;
+        }
+    }
+</style>

templates/edit_client.html

@@ -0,0 +1,815 @@
+{% extends "base.html" %}
+
+{% block title %}Редактирование поставщика{% endblock %}
+
+{% block content %}
+<div class="container mt-4">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+            <!-- Хлебные крошки -->
+            <nav aria-label="breadcrumb" class="mb-3">
+                <ol class="breadcrumb">
+                    <li class="breadcrumb-item"><a href="{{ url_for('index') }}">Поставщики</a></li>
+                    <li class="breadcrumb-item"><a href="{{ url_for('order_history', client_id=client.id) }}">{{ client.name }}</a></li>
+                    <li class="breadcrumb-item active">Редактирование</li>
+                </ol>
+            </nav>
+
+            <div class="form-card">
+                <div class="form-card-header">
+                    <h2 class="form-card-title">
+                        <i class="fas fa-truck"></i> Редактирование поставщика
+                    </h2>
+                </div>
+                
+                <div class="form-card-body">
+                    <!-- Flash сообщения -->
+                    {% with messages = get_flashed_messages(with_categories=true) %}
+                        {% if messages %}
+                            {% for category, message in messages %}
+                                <div class="alert alert-{{ 'danger' if category == 'error' else 'success' }} alert-dismissible fade show">
+                                    <i class="fas fa-{{ 'exclamation-circle' if category == 'error' else 'check-circle' }} me-2"></i>
+                                    {{ message }}
+                                    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+                                </div>
+                            {% endfor %}
+                        {% endif %}
+                    {% endwith %}
+
+                    <form method="POST" id="supplierForm">
+                        <div class="row">
+                            <!-- Основная информация -->
+                            <div class="col-md-6">
+                                <h5 class="section-title">
+                                    <i class="fas fa-info-circle"></i> Основная информация
+                                </h5>
+
+                                <div class="form-group">
+                                    <label for="name" class="form-label">
+                                        <i class="fas fa-building"></i>
+                                        Название компании
+                                    </label>
+                                    <input type="text" class="form-control modern-input" id="name" name="name"
+                                           value="{{ client.name }}" required maxlength="255"
+                                           onkeypress="return blockNumbers(event)" onpaste="return blockNumbersPaste(event)">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="director" class="form-label">
+                                        <i class="fas fa-user-tie"></i>
+                                        Директор (ФИО)
+                                    </label>
+                                    <input type="text" class="form-control modern-input" id="director" name="director"
+                                           value="{{ client.director or '' }}" maxlength="255"
+                                           onkeypress="return blockNumbers(event)" onpaste="return blockNumbersPaste(event)">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="contractor_type_id" class="form-label">
+                                        <i class="fas fa-tag"></i>
+                                        Тип поставщика
+                                    </label>
+                                    <div class="select-wrapper">
+                                        <select class="form-select modern-select" id="contractor_type_id" name="contractor_type_id" required>
+                                            <option value="" disabled>Выберите тип поставщика</option>
+                                            {% for type in contractor_types %}
+                                                <option value="{{ type.id }}"
+                                                        {% if type.id == client.contractor_type_id %}selected{% endif %}>
+                                                    {{ type.type_name }}
+                                                </option>
+                                            {% endfor %}
+                                        </select>
+                                        <i class="fas fa-chevron-down select-arrow"></i>
+                                    </div>
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="rating" class="form-label">
+                                        <i class="fas fa-star"></i>
+                                        Рейтинг надежности
+                                    </label>
+                                    <input type="number" class="form-control modern-input" id="rating" name="rating"
+                                           min="0" max="5" step="0.1" value="{{ client.rating or 0.0 }}">
+                                    <div class="form-text">От 0.0 до 5.0 (чем выше, тем надежнее)</div>
+                                </div>
+                            </div>
+
+                            <!-- Контактная информация -->
+                            <div class="col-md-6">
+                                <h5 class="section-title">
+                                    <i class="fas fa-address-card"></i> Контактные данные
+                                </h5>
+
+                                <div class="form-group">
+                                    <label for="email" class="form-label">
+                                        <i class="fas fa-envelope"></i>
+                                        Email
+                                    </label>
+                                    <input type="email" class="form-control modern-input" id="email" name="email"
+                                           value="{{ client.email }}" required maxlength="255">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="phone" class="form-label">
+                                        <i class="fas fa-phone"></i>
+                                        Телефон
+                                    </label>
+                                    <div class="phone-input-container">
+                                        <input type="tel" class="form-control modern-input" id="phone" name="phone"
+                                               value="{{ client.phone or '' }}" maxlength="18"
+                                               onkeypress="return allowPhoneCharacters(event)"
+                                               onkeyup="formatPhoneNumber(this)"
+                                               onblur="validatePhoneNumber(this)"
+                                               placeholder="+7 (999) 999-99-99">
+                                        <i class="fas fa-phone phone-icon"></i>
+                                    </div>
+                                    <div class="phone-hint" id="phoneHint">
+                                        <i class="fas fa-info-circle"></i> Формат: +7 (XXX) XXX-XX-XX
+                                    </div>
+                                    <div class="phone-error" id="phoneError" style="display: none;">
+                                        <i class="fas fa-exclamation-circle"></i>
+                                        <span id="phoneErrorMessage"></span>
+                                    </div>
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="inn" class="form-label">
+                                        <i class="fas fa-id-card"></i>
+                                        ИНН
+                                    </label>
+                                    <input type="text" class="form-control modern-input" id="inn" name="inn"
+                                           value="{{ client.inn or '' }}" maxlength="12"
+                                           onkeypress="return allowOnlyNumbers(event)" onpaste="return allowNumbersPaste(event)">
+                                    <div class="form-text">10 или 12 цифр</div>
+                                </div>
+                            </div>
+
+                            <!-- Адрес на всю ширину -->
+                            <div class="col-12">
+                                <div class="form-group">
+                                    <label for="address" class="form-label">
+                                        <i class="fas fa-map-marker-alt"></i>
+                                        Юридический адрес
+                                    </label>
+                                    <textarea class="form-control modern-input" id="address" name="address"
+                                              rows="3" maxlength="500">{{ client.address or '' }}</textarea>
+                                </div>
+                            </div>
+                        </div>
+
+                        <!-- Кнопки -->
+                        <div class="form-actions">
+                            <div>
+                                <a href="{{ url_for('index') }}" class="btn btn-outline">
+                                    <i class="fas fa-times"></i> Отмена
+                                </a>
+                            </div>
+                            <div class="d-flex gap-2">
+                                <a href="{{ url_for('order_history', client_id=client.id) }}"
+                                   class="btn btn-info">
+                                    <i class="fas fa-history"></i> История заказов
+                                </a>
+                                <button type="submit" class="btn btn-primary">
+                                    <i class="fas fa-save"></i> Сохранить
+                                </button>
+                            </div>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<style>
+    /* ===== ОСНОВНЫЕ ПЕРЕМЕННЫЕ ===== */
+    :root {
+        --antique-white: #FAEBD7;
+        --light-brown: #DEB887;
+        --brown: #A0522D;
+        --dark-brown: #8B4513;
+        --error-red: #dc3545;
+        --success-green: #28a745;
+    }
+
+    /* ===== ХЛЕБНЫЕ КРОШКИ ===== */
+    .breadcrumb {
+        background: none;
+        padding: 0;
+    }
+    
+    .breadcrumb-item a {
+        color: var(--brown);
+        text-decoration: none;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .breadcrumb-item a:hover {
+        text-decoration: underline;
+    }
+    
+    .breadcrumb-item.active {
+        color: #6c757d;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .breadcrumb-item + .breadcrumb-item::before {
+        color: var(--light-brown);
+    }
+
+    /* ===== КАРТОЧКА ФОРМЫ ===== */
+    .form-card {
+        background: white;
+        border: 1px solid var(--light-brown);
+        border-radius: 16px;
+        box-shadow: 0 4px 20px rgba(160, 82, 45, 0.1);
+        overflow: hidden;
+    }
+    
+    .form-card-header {
+        background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+        padding: 20px 25px;
+        color: white;
+    }
+    
+    .form-card-title {
+        font-size: 1.4rem;
+        font-weight: 600;
+        font-family: 'Verdana', sans-serif;
+        margin: 0;
+    }
+    
+    .form-card-title i {
+        margin-right: 10px;
+        color: white;
+    }
+    
+    .form-card-body {
+        padding: 25px;
+    }
+
+    /* ===== ЗАГОЛОВКИ СЕКЦИЙ ===== */
+    .section-title {
+        color: var(--brown);
+        font-size: 1.1rem;
+        font-weight: 600;
+        margin-bottom: 20px;
+        padding-bottom: 10px;
+        border-bottom: 2px solid var(--light-brown);
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .section-title i {
+        color: var(--brown);
+        margin-right: 8px;
+    }
+
+    /* ===== ЭЛЕМЕНТЫ ФОРМЫ ===== */
+    .form-group {
+        margin-bottom: 20px;
+    }
+    
+    .form-label {
+        display: flex;
+        align-items: center;
+        gap: 6px;
+        color: var(--brown);
+        font-weight: 600;
+        font-size: 0.95rem;
+        margin-bottom: 6px;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .form-label i {
+        color: var(--brown);
+        font-size: 1rem;
+    }
+    
+    .modern-input {
+        width: 100%;
+        height: 42px;
+        padding: 0 12px;
+        border: 2px solid var(--light-brown);
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-family: 'Verdana', sans-serif;
+        transition: all 0.2s ease;
+        background: white;
+    }
+    
+    .modern-input:focus {
+        outline: none;
+        border-color: var(--brown);
+        box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.1);
+    }
+    
+    .modern-input:hover {
+        border-color: var(--brown);
+    }
+    
+    textarea.modern-input {
+        height: auto;
+        padding: 10px 12px;
+        resize: vertical;
+    }
+
+    /* Специальные стили для поля телефона */
+    .phone-input-container {
+        position: relative;
+    }
+    
+    .phone-input-container .modern-input {
+        padding-left: 40px;
+    }
+    
+    .phone-icon {
+        position: absolute;
+        left: 15px;
+        top: 50%;
+        transform: translateY(-50%);
+        color: var(--light-brown);
+        pointer-events: none;
+        transition: color 0.2s ease;
+    }
+    
+    .phone-input-container .modern-input:focus + .phone-icon {
+        color: var(--brown);
+    }
+    
+    .phone-hint {
+        font-size: 0.8rem;
+        color: #6c757d;
+        margin-top: 4px;
+        font-family: 'Verdana', sans-serif;
+        display: flex;
+        align-items: center;
+        gap: 4px;
+    }
+    
+    .phone-hint i {
+        color: var(--light-brown);
+        font-size: 0.75rem;
+    }
+    
+    .phone-error {
+        font-size: 0.8rem;
+        color: var(--error-red);
+        margin-top: 4px;
+        font-family: 'Verdana', sans-serif;
+        display: flex;
+        align-items: center;
+        gap: 4px;
+    }
+    
+    .phone-error i {
+        color: var(--error-red);
+        font-size: 0.75rem;
+    }
+    
+    .select-wrapper {
+        position: relative;
+    }
+    
+    .modern-select {
+        width: 100%;
+        height: 42px;
+        padding: 0 35px 0 12px;
+        border: 2px solid var(--light-brown);
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-family: 'Verdana', sans-serif;
+        background: white;
+        cursor: pointer;
+        appearance: none;
+        transition: all 0.2s ease;
+    }
+    
+    .modern-select:focus {
+        outline: none;
+        border-color: var(--brown);
+        box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.1);
+    }
+    
+    .modern-select:hover {
+        border-color: var(--brown);
+    }
+    
+    .select-arrow {
+        position: absolute;
+        right: 15px;
+        top: 50%;
+        transform: translateY(-50%);
+        color: var(--brown);
+        pointer-events: none;
+    }
+    
+    .form-text {
+        font-size: 0.8rem;
+        color: #6c757d;
+        margin-top: 4px;
+        font-family: 'Verdana', sans-serif;
+    }
+
+    /* ===== КНОПКИ ===== */
+    .form-actions {
+        display: flex;
+        justify-content: space-between;
+        align-items: center;
+        margin-top: 25px;
+        padding-top: 20px;
+        border-top: 2px solid var(--light-brown);
+    }
+    
+    .btn {
+        padding: 10px 20px;
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-weight: 500;
+        font-family: 'Verdana', sans-serif;
+        transition: all 0.2s ease;
+        border: none;
+        cursor: pointer;
+        display: inline-flex;
+        align-items: center;
+        gap: 8px;
+        text-decoration: none;
+    }
+    
+    .btn-primary {
+        background: var(--brown);
+        color: white;
+    }
+    
+    .btn-primary:hover {
+        background: var(--dark-brown);
+        transform: translateY(-2px);
+        box-shadow: 0 4px 12px rgba(160, 82, 45, 0.3);
+    }
+    
+    .btn-info {
+        background: var(--light-brown);
+        color: #2c3e50;
+    }
+    
+    .btn-info:hover {
+        background: var(--brown);
+        color: white;
+        transform: translateY(-2px);
+        box-shadow: 0 4px 12px rgba(160, 82, 45, 0.3);
+    }
+    
+    .btn-outline {
+        background: white;
+        border: 2px solid var(--light-brown);
+        color: var(--brown);
+    }
+    
+    .btn-outline:hover {
+        background: var(--antique-white);
+        border-color: var(--brown);
+        transform: translateY(-2px);
+    }
+    
+    .d-flex.gap-2 {
+        gap: 10px;
+    }
+
+    /* ===== АЛЕРТЫ ===== */
+    .alert {
+        border-radius: 10px;
+        border: 1px solid var(--light-brown);
+        font-family: 'Verdana', sans-serif;
+        margin-bottom: 20px;
+    }
+    
+    .alert-success {
+        background: var(--antique-white);
+        color: var(--brown);
+        border-left: 4px solid #28a745;
+    }
+    
+    .alert-danger {
+        background: var(--antique-white);
+        color: #721c24;
+        border-left: 4px solid #dc3545;
+    }
+
+    /* ===== ИКОНКИ ===== */
+    i {
+        color: var(--brown);
+    }
+    
+    .btn-primary i, .btn-info i, .btn-outline i {
+        color: inherit;
+    }
+
+    /* ===== АДАПТИВНОСТЬ ===== */
+    @media (max-width: 768px) {
+        .form-card-body {
+            padding: 20px;
+        }
+        
+        .form-actions {
+            flex-direction: column-reverse;
+            gap: 10px;
+        }
+        
+        .form-actions > div {
+            width: 100%;
+        }
+        
+        .d-flex.gap-2 {
+            flex-direction: column;
+            width: 100%;
+        }
+        
+        .d-flex.gap-2 .btn {
+            width: 100%;
+            justify-content: center;
+        }
+        
+        .btn-outline {
+            width: 100%;
+            justify-content: center;
+        }
+        
+        .col-md-6 {
+            width: 100%;
+        }
+        
+        .section-title {
+            margin-top: 15px;
+        }
+        
+        .section-title:first-of-type {
+            margin-top: 0;
+        }
+    }
+</style>
+
+{% block scripts %}
+<script>
+    // Запрет на ввод цифр в текстовые поля (название компании, ФИО)
+    function blockNumbers(event) {
+        const key = event.key;
+        // Разрешаем: буквы, пробел, backspace, delete, tab, enter, стрелки
+        if (key === ' ' || key === 'Backspace' || key === 'Delete' || key === 'Tab' || 
+            key === 'Enter' || key === 'ArrowLeft' || key === 'ArrowRight' || 
+            key === 'ArrowUp' || key === 'ArrowDown' || key === 'Home' || key === 'End') {
+            return true;
+        }
+        
+        // Запрещаем цифры
+        if (key >= '0' && key <= '9') {
+            event.preventDefault();
+            alert('Цифры запрещены в этом поле');
+            return false;
+        }
+        
+        // Разрешаем буквы (любые)
+        return true;
+    }
+    
+    // Запрет на вставку цифр через Ctrl+V
+    function blockNumbersPaste(event) {
+        event.preventDefault();
+        const pastedText = (event.clipboardData || window.clipboardData).getData('text');
+        // Удаляем все цифры из вставляемого текста
+        const cleanedText = pastedText.replace(/[0-9]/g, '');
+        
+        // Вставляем очищенный текст
+        const input = event.target;
+        const start = input.selectionStart;
+        const end = input.selectionEnd;
+        const currentValue = input.value;
+        const newValue = currentValue.substring(0, start) + cleanedText + currentValue.substring(end);
+        input.value = newValue;
+        
+        // Возвращаем курсор в конец вставленного текста
+        input.selectionStart = input.selectionEnd = start + cleanedText.length;
+        
+        if (pastedText.match(/[0-9]/)) {
+            alert('Цифры были удалены из вставленного текста');
+        }
+    }
+    
+    // Разрешаем только цифры (для ИНН)
+    function allowOnlyNumbers(event) {
+        const key = event.key;
+        // Разрешаем: цифры, backspace, delete, tab, enter, стрелки
+        if (key === 'Backspace' || key === 'Delete' || key === 'Tab' || 
+            key === 'Enter' || key === 'ArrowLeft' || key === 'ArrowRight' || 
+            key === 'ArrowUp' || key === 'ArrowDown' || key === 'Home' || key === 'End') {
+            return true;
+        }
+        
+        // Разрешаем только цифры
+        if (key >= '0' && key <= '9') {
+            return true;
+        }
+        
+        event.preventDefault();
+        alert('Только цифры разрешены в этом поле');
+        return false;
+    }
+    
+    // Разрешаем вставку только цифр (для ИНН)
+    function allowNumbersPaste(event) {
+        event.preventDefault();
+        const pastedText = (event.clipboardData || window.clipboardData).getData('text');
+        // Оставляем только цифры
+        const cleanedText = pastedText.replace(/[^0-9]/g, '');
+        
+        // Вставляем очищенный текст
+        const input = event.target;
+        const start = input.selectionStart;
+        const end = input.selectionEnd;
+        const currentValue = input.value;
+        const newValue = currentValue.substring(0, start) + cleanedText + currentValue.substring(end);
+        input.value = newValue;
+        
+        // Возвращаем курсор в конец вставленного текста
+        input.selectionStart = input.selectionEnd = start + cleanedText.length;
+        
+        if (pastedText.match(/[^0-9]/)) {
+            alert('Были вставлены только цифры, остальные символы удалены');
+        }
+    }
+    
+    // Для поля телефона разрешаем цифры и необходимые символы
+    function allowPhoneCharacters(event) {
+        const key = event.key;
+        // Разрешаем: цифры, +, -, (, ), пробел, backspace и т.д.
+        const allowedKeys = ['+', '-', '(', ')', ' '];
+        
+        if (key === 'Backspace' || key === 'Delete' || key === 'Tab' || 
+            key === 'Enter' || key === 'ArrowLeft' || key === 'ArrowRight' || 
+            key === 'ArrowUp' || key === 'ArrowDown' || key === 'Home' || key === 'End') {
+            return true;
+        }
+        
+        if (allowedKeys.includes(key)) {
+            return true;
+        }
+        
+        if (key >= '0' && key <= '9') {
+            return true;
+        }
+        
+        event.preventDefault();
+        return false;
+    }
+    
+    // Форматирование номера телефона
+    function formatPhoneNumber(input) {
+        let value = input.value.replace(/\D/g, '');
+        
+        // Если номер начинается с 8 или 7, заменяем на +7
+        if (value.length > 0) {
+            if (value[0] === '8') {
+                value = '7' + value.substring(1);
+            }
+            
+            // Форматируем номер
+            if (value.length <= 11) {
+                let formattedValue = '';
+                
+                if (value.length > 0) {
+                    formattedValue = '+7';
+                    
+                    if (value.length > 1) {
+                        formattedValue += ' (' + value.substring(1, Math.min(4, value.length));
+                        
+                        if (value.length >= 4) {
+                            formattedValue += ') ';
+                            
+                            if (value.length >= 7) {
+                                formattedValue += value.substring(4, 7);
+                                
+                                if (value.length >= 9) {
+                                    formattedValue += '-' + value.substring(7, 9);
+                                    
+                                    if (value.length >= 11) {
+                                        formattedValue += '-' + value.substring(9, 11);
+                                    }
+                                }
+                            } else if (value.length > 4) {
+                                formattedValue += value.substring(4);
+                            }
+                        }
+                    }
+                }
+                
+                input.value = formattedValue;
+            }
+        }
+        
+        // Проверяем валидность номера
+        validatePhoneNumber(input);
+    }
+    
+    // Валидация номера телефона
+    function validatePhoneNumber(input) {
+        const phoneValue = input.value.replace(/\D/g, '');
+        const phoneError = document.getElementById('phoneError');
+        const phoneErrorMessage = document.getElementById('phoneErrorMessage');
+        const phoneHint = document.getElementById('phoneHint');
+        
+        if (phoneValue.length === 0) {
+            // Пустое поле - допустимо
+            phoneError.style.display = 'none';
+            phoneHint.style.display = 'flex';
+            input.style.borderColor = 'var(--light-brown)';
+            return true;
+        }
+        
+        if (phoneValue.length === 11 && phoneValue[0] === '7') {
+            // Валидный номер
+            phoneError.style.display = 'none';
+            phoneHint.style.display = 'flex';
+            input.style.borderColor = 'var(--success-green)';
+            return true;
+        } else {
+            // Невалидный номер
+            phoneError.style.display = 'flex';
+            phoneHint.style.display = 'none';
+            input.style.borderColor = 'var(--error-red)';
+            
+            if (phoneValue.length !== 11) {
+                phoneErrorMessage.textContent = 'Номер должен содержать 11 цифр (включая код страны)';
+            } else if (phoneValue[0] !== '7') {
+                phoneErrorMessage.textContent = 'Номер должен начинаться с 7 или 8';
+            }
+            
+            return false;
+        }
+    }
+    
+    // Валидация формы
+    document.getElementById('supplierForm').addEventListener('submit', function(e) {
+        const inn = document.getElementById('inn').value;
+        const name = document.getElementById('name').value;
+        const director = document.getElementById('director').value;
+        const phone = document.getElementById('phone').value;
+
+        // Проверка на наличие цифр в названии компании
+        if (name.match(/[0-9]/)) {
+            e.preventDefault();
+            alert('Название компании не должно содержать цифры');
+            return false;
+        }
+        
+        // Проверка на наличие цифр в ФИО директора
+        if (director && director.match(/[0-9]/)) {
+            e.preventDefault();
+            alert('ФИО директора не должно содержать цифры');
+            return false;
+        }
+
+        // Проверка ИНН
+        if (inn && !/^\d{10,12}$/.test(inn)) {
+            e.preventDefault();
+            alert('ИНН должен содержать 10 или 12 цифр');
+            return false;
+        }
+
+        // Проверка телефона
+        if (phone) {
+            const phoneDigits = phone.replace(/\D/g, '');
+            if (phoneDigits.length > 0) {
+                if (phoneDigits.length !== 11 || phoneDigits[0] !== '7') {
+                    e.preventDefault();
+                    alert('Пожалуйста, введите корректный номер телефона в формате: +7 (XXX) XXX-XX-XX');
+                    return false;
+                }
+            }
+        }
+
+        // Проверка рейтинга
+        const rating = parseFloat(document.getElementById('rating').value);
+        if (rating < 0 || rating > 5) {
+            e.preventDefault();
+            alert('Рейтинг должен быть от 0.0 до 5.0');
+            return false;
+        }
+
+        // Проверка email
+        const email = document.getElementById('email').value;
+        const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+        if (!emailRegex.test(email)) {
+            e.preventDefault();
+            alert('Введите корректный email адрес');
+            return false;
+        }
+    });
+
+    // Форматирование телефона при загрузке страницы
+    window.addEventListener('load', function() {
+        const phoneInput = document.getElementById('phone');
+        if (phoneInput.value) {
+            formatPhoneNumber(phoneInput);
+        }
+    });
+</script>
+{% endblock %}
+{% endblock %}

templates/edit_product.html

@@ -0,0 +1,454 @@
+{% extends "base.html" %}
+
+{% block title %}Редактирование материала{% endblock %}
+
+{% block content %}
+<div class="container">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+            <!-- Хлебные крошки -->
+            <nav aria-label="breadcrumb" class="mb-3">
+                <ol class="breadcrumb">
+                    <li class="breadcrumb-item"><a href="{{ url_for('catalog') }}">Каталог материалов</a></li>
+                    <li class="breadcrumb-item"><a href="{{ url_for('catalog') }}?search={{ product.product_name }}">{{ product.product_name }}</a></li>
+                    <li class="breadcrumb-item active">Редактирование</li>
+                </ol>
+            </nav>
+
+            <div class="form-card">
+                <div class="form-card-header">
+                    <h2 class="form-card-title">
+                        <i class="fas fa-edit"></i> Редактирование материала
+                    </h2>
+                </div>
+                
+                <div class="form-card-body">
+                    <!-- Flash сообщения -->
+                    {% with messages = get_flashed_messages(with_categories=true) %}
+                        {% if messages %}
+                            {% for category, message in messages %}
+                                <div class="alert alert-{{ 'danger' if category == 'error' else 'success' }} alert-dismissible fade show">
+                                    <i class="fas fa-{{ 'exclamation-circle' if category == 'error' else 'check-circle' }} me-2"></i>
+                                    {{ message }}
+                                    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+                                </div>
+                            {% endfor %}
+                        {% endif %}
+                    {% endwith %}
+
+                    <form method="POST" id="materialForm">
+                        <div class="row">
+                            <!-- Левая колонка -->
+                            <div class="col-md-6">
+                                <h5 class="section-title">
+                                    <i class="fas fa-info-circle"></i> Основная информация
+                                </h5>
+
+                                <div class="form-group">
+                                    <label for="product_name" class="form-label">
+                                        <i class="fas fa-tag"></i>
+                                        Название материала
+                                    </label>
+                                    <input type="text" class="form-control modern-input" id="product_name" name="product_name" 
+                                           value="{{ product.product_name }}" required maxlength="255">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="article" class="form-label">
+                                        <i class="fas fa-barcode"></i>
+                                        Артикул
+                                    </label>
+                                    <input type="text" class="form-control modern-input" id="article" name="article" 
+                                           value="{{ product.article }}" required maxlength="100">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="category_id" class="form-label">
+                                        <i class="fas fa-folder"></i>
+                                        Категория
+                                    </label>
+                                    <div class="select-wrapper">
+                                        <select class="form-select modern-select" id="category_id" name="category_id" required>
+                                            <option value="" disabled>Выберите категорию</option>
+                                            {% for category in categories %}
+                                                <option value="{{ category.id }}" {% if category.id == product.category_id %}selected{% endif %}>
+                                                    {{ category.category_name }}
+                                                </option>
+                                            {% endfor %}
+                                        </select>
+                                        <i class="fas fa-chevron-down select-arrow"></i>
+                                    </div>
+                                </div>
+                            </div>
+
+                            <!-- Правая колонка -->
+                            <div class="col-md-6">
+                                <h5 class="section-title">
+                                    <i class="fas fa-cog"></i> Характеристики
+                                </h5>
+
+                                <div class="form-group">
+                                    <label for="material_id" class="form-label">
+                                        <i class="fas fa-cube"></i>
+                                        Материал
+                                    </label>
+                                    <div class="select-wrapper">
+                                        <select class="form-select modern-select" id="material_id" name="material_id">
+                                            <option value="">Не выбран</option>
+                                            {% for material in materials %}
+                                                <option value="{{ material.id }}" {% if material.id == product.material_id %}selected{% endif %}>
+                                                    {{ material.material_name }}
+                                                </option>
+                                            {% endfor %}
+                                        </select>
+                                        <i class="fas fa-chevron-down select-arrow"></i>
+                                    </div>
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="min_price" class="form-label">
+                                        <i class="fas fa-ruble-sign"></i>
+                                        Цена
+                                    </label>
+                                    <input type="number" class="form-control modern-input" id="min_price" name="min_price" 
+                                           min="0" step="0.01" required value="{{ product.min_price }}">
+                                </div>
+
+                                <div class="form-group">
+                                    <label for="in_stock" class="form-label">
+                                        <i class="fas fa-warehouse"></i>
+                                        Наличие на складе
+                                    </label>
+                                    <input type="number" class="form-control modern-input" id="in_stock" name="in_stock" 
+                                           min="0" value="{{ product.in_stock or 0 }}">
+                                </div>
+                            </div>
+
+                            <!-- Описание на всю ширину -->
+                            <div class="col-12">
+                                <div class="form-group">
+                                    <label for="description" class="form-label">
+                                        <i class="fas fa-align-left"></i>
+                                        Описание материала
+                                    </label>
+                                    <textarea class="form-control modern-input" id="description" name="description" 
+                                              rows="4" maxlength="1000">{{ product.description or '' }}</textarea>
+                                </div>
+                            </div>
+                        </div>
+
+                        <!-- Кнопки -->
+                        <div class="form-actions">
+                            <a href="{{ url_for('catalog') }}" class="btn btn-outline">
+                                <i class="fas fa-times"></i> Отмена
+                            </a>
+                            <button type="submit" class="btn btn-primary">
+                                <i class="fas fa-save"></i> Сохранить изменения
+                            </button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<style>
+    /* ===== ОСНОВНЫЕ ПЕРЕМЕННЫЕ ===== */
+    :root {
+        --antique-white: #FAEBD7;
+        --light-brown: #DEB887;
+        --brown: #A0522D;
+        --dark-brown: #8B4513;
+    }
+
+    /* ===== ХЛЕБНЫЕ КРОШКИ ===== */
+    .breadcrumb {
+        background: none;
+        padding: 0;
+    }
+    
+    .breadcrumb-item a {
+        color: var(--brown);
+        text-decoration: none;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .breadcrumb-item a:hover {
+        text-decoration: underline;
+    }
+    
+    .breadcrumb-item.active {
+        color: #6c757d;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .breadcrumb-item + .breadcrumb-item::before {
+        color: var(--light-brown);
+    }
+
+    /* ===== КАРТОЧКА ФОРМЫ ===== */
+    .form-card {
+        background: white;
+        border: 1px solid var(--light-brown);
+        border-radius: 16px;
+        box-shadow: 0 4px 20px rgba(160, 82, 45, 0.1);
+        overflow: hidden;
+    }
+    
+    .form-card-header {
+        background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+        padding: 20px 25px;
+        color: white;
+    }
+    
+    .form-card-title {
+        font-size: 1.4rem;
+        font-weight: 600;
+        font-family: 'Verdana', sans-serif;
+        margin: 0;
+    }
+    
+    .form-card-title i {
+        margin-right: 10px;
+        color: white;
+    }
+    
+    .form-card-body {
+        padding: 25px;
+    }
+
+    /* ===== ЗАГОЛОВКИ СЕКЦИЙ ===== */
+    .section-title {
+        color: var(--brown);
+        font-size: 1.1rem;
+        font-weight: 600;
+        margin-bottom: 20px;
+        padding-bottom: 10px;
+        border-bottom: 2px solid var(--light-brown);
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .section-title i {
+        color: var(--brown);
+        margin-right: 8px;
+    }
+
+    /* ===== ЭЛЕМЕНТЫ ФОРМЫ ===== */
+    .form-group {
+        margin-bottom: 20px;
+    }
+    
+    .form-label {
+        display: flex;
+        align-items: center;
+        gap: 6px;
+        color: var(--brown);
+        font-weight: 600;
+        font-size: 0.95rem;
+        margin-bottom: 6px;
+        font-family: 'Verdana', sans-serif;
+    }
+    
+    .form-label i {
+        color: var(--brown);
+        font-size: 1rem;
+    }
+    
+    .modern-input {
+        width: 100%;
+        height: 42px;
+        padding: 0 12px;
+        border: 2px solid var(--light-brown);
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-family: 'Verdana', sans-serif;
+        transition: all 0.2s ease;
+        background: white;
+    }
+    
+    .modern-input:focus {
+        outline: none;
+        border-color: var(--brown);
+        box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.1);
+    }
+    
+    .modern-input:hover {
+        border-color: var(--brown);
+    }
+    
+    textarea.modern-input {
+        height: auto;
+        padding: 12px;
+        resize: vertical;
+    }
+    
+    .select-wrapper {
+        position: relative;
+    }
+    
+    .modern-select {
+        width: 100%;
+        height: 42px;
+        padding: 0 35px 0 12px;
+        border: 2px solid var(--light-brown);
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-family: 'Verdana', sans-serif;
+        background: white;
+        cursor: pointer;
+        appearance: none;
+        transition: all 0.2s ease;
+    }
+    
+    .modern-select:focus {
+        outline: none;
+        border-color: var(--brown);
+        box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.1);
+    }
+    
+    .modern-select:hover {
+        border-color: var(--brown);
+    }
+    
+    .select-arrow {
+        position: absolute;
+        right: 15px;
+        top: 50%;
+        transform: translateY(-50%);
+        color: var(--brown);
+        pointer-events: none;
+    }
+
+    /* ===== КНОПКИ ===== */
+    .form-actions {
+        display: flex;
+        justify-content: space-between;
+        margin-top: 25px;
+        padding-top: 20px;
+        border-top: 2px solid var(--light-brown);
+    }
+    
+    .btn {
+        padding: 10px 25px;
+        border-radius: 10px;
+        font-size: 0.95rem;
+        font-weight: 500;
+        font-family: 'Verdana', sans-serif;
+        transition: all 0.2s ease;
+        border: none;
+        cursor: pointer;
+        display: inline-flex;
+        align-items: center;
+        gap: 8px;
+        text-decoration: none;
+    }
+    
+    .btn-primary {
+        background: var(--brown);
+        color: white;
+    }
+    
+    .btn-primary:hover {
+        background: var(--dark-brown);
+        transform: translateY(-2px);
+        box-shadow: 0 4px 12px rgba(160, 82, 45, 0.3);
+    }
+    
+    .btn-outline {
+        background: white;
+        border: 2px solid var(--light-brown);
+        color: var(--brown);
+    }
+    
+    .btn-outline:hover {
+        background: var(--antique-white);
+        border-color: var(--brown);
+        transform: translateY(-2px);
+    }
+
+    /* ===== АЛЕРТЫ ===== */
+    .alert {
+        border-radius: 10px;
+        border: 1px solid var(--light-brown);
+        font-family: 'Verdana', sans-serif;
+        margin-bottom: 20px;
+    }
+    
+    .alert-success {
+        background: var(--antique-white);
+        color: var(--brown);
+        border-left: 4px solid #28a745;
+    }
+    
+    .alert-danger {
+        background: var(--antique-white);
+        color: #721c24;
+        border-left: 4px solid #dc3545;
+    }
+
+    /* ===== ИКОНКИ ===== */
+    i {
+        color: var(--brown);
+    }
+    
+    .btn-primary i, .btn-outline i, .form-card-header i {
+        color: inherit;
+    }
+
+    /* ===== АДАПТИВНОСТЬ ===== */
+    @media (max-width: 768px) {
+        .form-card-body {
+            padding: 20px;
+        }
+        
+        .form-actions {
+            flex-direction: column-reverse;
+            gap: 10px;
+        }
+        
+        .form-actions .btn {
+            width: 100%;
+            justify-content: center;
+        }
+        
+        .col-md-6 {
+            width: 100%;
+        }
+        
+        .section-title {
+            margin-top: 15px;
+        }
+        
+        .section-title:first-of-type {
+            margin-top: 0;
+        }
+    }
+</style>
+
+<script>
+document.getElementById('materialForm').addEventListener('submit', function(e) {
+    const price = parseFloat(document.getElementById('min_price').value);
+    const name = document.getElementById('product_name').value.trim();
+    const article = document.getElementById('article').value.trim();
+    
+    if (!name) {
+        e.preventDefault();
+        alert('Введите название материала');
+        return false;
+    }
+    
+    if (!article) {
+        e.preventDefault();
+        alert('Введите артикул материала');
+        return false;
+    }
+    
+    if (price <= 0) {
+        e.preventDefault();
+        alert('Цена должна быть больше 0');
+        return false;
+    }
+});
+</script>
+{% endblock %}

templates/home.html

@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html lang="en" dir="ltr">
+  <head>
+    <meta charset="utf-8">
+    <title>Flask Tutorial</title>
+  </head>
+  <body>
+    {% extends "template.html" %}
+    {% block content %}
+
+    <h1> My First Try Using Flask </h1>
+    <p> Flask is Fun </p>
+
+    {% endblock %}
+  </body>
+</html>

templates/index.html

@@ -0,0 +1,547 @@
+{% extends "base.html" %}
+
+{% block title %}Поставщики строительных материалов{% endblock %}
+
+{% block content %}
+    <!-- Заголовок и кнопка добавления -->
+    <div class="d-flex justify-content-between align-items-center mb-4">
+        <h2 class="page-title">Поставщики материалов</h2>
+        <a href="{{ url_for('add_client') }}" class="btn btn-primary">
+            <i class="fas fa-plus"></i> Новый поставщик
+        </a>
+    </div>
+
+    <!-- Поиск и сортировка - УЛУЧШЕННЫЙ СТИЛЬ -->
+    <div class="search-section mb-4">
+        <div class="search-header">
+            <h4 class="search-title">
+                <i class="fas fa-sliders-h"></i> Поиск и сортировка
+            </h4>
+            <a href="{{ url_for('index') }}" class="btn-clear">
+                <i class="fas fa-times"></i> Сбросить все
+            </a>
+        </div>
+        
+        <form method="GET" action="{{ url_for('index') }}" id="filterForm" class="search-form">
+            <!-- Строка поиска -->
+            <div class="search-row">
+                <div class="search-input-wrapper">
+                    <i class="fas fa-search search-icon"></i>
+                    <input type="text" class="search-input" name="search" id="search" 
+                           placeholder="Поиск по названию или ИНН..." 
+                           value="{{ request.args.get('search', '') }}" autocomplete="off">
+                    {% if request.args.get('search') %}
+                        <a href="{{ url_for('index', sort=request.args.get('sort'), type=request.args.get('type'), rating=request.args.get('rating')) }}" class="search-clear">
+                            <i class="fas fa-times-circle"></i>
+                        </a>
+                    {% endif %}
+                </div>
+            </div>
+
+            <!-- Фильтры -->
+            <div class="filters-row">
+                <div class="filter-group">
+                    <label for="type" class="filter-label">
+                        <i class="fas fa-building"></i> Тип поставщика
+                    </label>
+                    <select class="filter-select" name="type" id="type">
+                        <option value="all" {% if request.args.get('type') == 'all' or not request.args.get('type') %}selected{% endif %}>Все типы</option>
+                        <option value="ЗАО" {% if request.args.get('type') == 'ЗАО' %}selected{% endif %}>ЗАО</option>
+                        <option value="ОАО" {% if request.args.get('type') == 'ОАО' %}selected{% endif %}>ОАО</option>
+                        <option value="ООО" {% if request.args.get('type') == 'ООО' %}selected{% endif %}>ООО</option>
+                        <option value="ПАО" {% if request.args.get('type') == 'ПАО' %}selected{% endif %}>ПАО</option>
+                    </select>
+                </div>
+
+                <div class="filter-group">
+                    <label for="sort" class="filter-label">
+                        <i class="fas fa-sort-amount-down"></i> Сортировка
+                    </label>
+                    <select class="filter-select" name="sort" id="sort">
+                        <option value="name_asc" {% if request.args.get('sort') == 'name_asc' or not request.args.get('sort') %}selected{% endif %}>Название (А-Я)</option>
+                        <option value="name_desc" {% if request.args.get('sort') == 'name_desc' %}selected{% endif %}>Название (Я-А)</option>
+                        <option value="rating_desc" {% if request.args.get('sort') == 'rating_desc' %}selected{% endif %}>Сначала высокий рейтинг</option>
+                        <option value="rating_asc" {% if request.args.get('sort') == 'rating_asc' %}selected{% endif %}>Сначала низкий рейтинг</option>
+                    </select>
+                </div>
+
+                <div class="filter-group">
+                    <label for="rating" class="filter-label">
+                        <i class="fas fa-star"></i> Мин. рейтинг
+                    </label>
+                    <select class="filter-select" name="rating" id="rating">
+                        <option value="0" {% if request.args.get('rating') == '0' or not request.args.get('rating') %}selected{% endif %}>Любой</option>
+                        <option value="4" {% if request.args.get('rating') == '4' %}selected{% endif %}>4+</option>
+                        <option value="4.5" {% if request.args.get('rating') == '4.5' %}selected{% endif %}>4.5+</option>
+                        <option value="4.8" {% if request.args.get('rating') == '4.8' %}selected{% endif %}>4.8+</option>
+                    </select>
+                </div>
+
+                <button type="submit" class="btn-apply">
+                    <i class="fas fa-check"></i> Применить
+                </button>
+            </div>
+        </form>
+    </div>
+
+    <!-- Активные фильтры -->
+    {% if request.args.get('search') or (request.args.get('type') and request.args.get('type') != 'all') or (request.args.get('rating') and request.args.get('rating') != '0') %}
+    <div class="active-filters mb-3">
+        <span class="active-filters-label">Активные фильтры:</span>
+        <div class="filter-tags">
+            {% if request.args.get('search') %}
+                <span class="filter-tag">
+                    Поиск: "{{ request.args.get('search') }}"
+                    <a href="{{ url_for('index', sort=request.args.get('sort'), type=request.args.get('type'), rating=request.args.get('rating')) }}" class="remove-tag">
+                        <i class="fas fa-times"></i>
+                    </a>
+                </span>
+            {% endif %}
+            {% if request.args.get('type') and request.args.get('type') != 'all' %}
+                <span class="filter-tag">
+                    Тип: {{ request.args.get('type') }}
+                    <a href="{{ url_for('index', search=request.args.get('search'), sort=request.args.get('sort'), rating=request.args.get('rating')) }}" class="remove-tag">
+                        <i class="fas fa-times"></i>
+                    </a>
+                </span>
+            {% endif %}
+            {% if request.args.get('rating') and request.args.get('rating') != '0' %}
+                <span class="filter-tag">
+                    Рейтинг ≥ {{ request.args.get('rating') }}
+                    <a href="{{ url_for('index', search=request.args.get('search'), sort=request.args.get('sort'), type=request.args.get('type')) }}" class="remove-tag">
+                        <i class="fas fa-times"></i>
+                    </a>
+                </span>
+            {% endif %}
+        </div>
+    </div>
+    {% endif %}
+
+    <!-- Список поставщиков -->
+    {% if partners %}
+        <div class="row">
+            {% for partner in partners %}
+                {% include 'components/partner_card.html' %}
+            {% endfor %}
+        </div>
+        
+        <!-- Информация о результатах поиска -->
+        <div class="row mt-3">
+            <div class="col-12">
+                <p class="text-muted">
+                    <i class="fas fa-info-circle"></i> 
+                    Найдено поставщиков: <strong>{{ partners|length }}</strong>
+                    {% if request.args.get('search') %}
+                        по запросу "{{ request.args.get('search') }}"
+                    {% endif %}
+                    {% if request.args.get('type') and request.args.get('type') != 'all' %}
+                        , тип: {{ request.args.get('type') }}
+                    {% endif %}
+                    {% if request.args.get('rating') and request.args.get('rating') != '0' %}
+                        , рейтинг ≥ {{ request.args.get('rating') }}
+                    {% endif %}
+                </p>
+            </div>
+        </div>
+    {% else %}
+        <div class="alert alert-info">
+            <i class="fas fa-info-circle"></i> 
+            {% if request.args.get('search') or request.args.get('type') != 'all' or request.args.get('rating') != '0' %}
+                <strong>Ничего не найдено</strong> по вашему запросу.
+                <br><a href="{{ url_for('index') }}" class="alert-link">Сбросить все фильтры</a>
+            {% else %}
+                Нет данных о поставщиках. <a href="{{ url_for('add_client') }}" class="alert-link">Добавьте первого поставщика</a>.
+            {% endif %}
+        </div>
+    {% endif %}
+
+    <!-- JavaScript -->
+    <script>
+        // Автоматическое применение при изменении фильтров
+        let filterTimeout;
+        
+        document.getElementById('sort').addEventListener('change', function() {
+            clearTimeout(filterTimeout);
+            filterTimeout = setTimeout(() => {
+                document.getElementById('filterForm').submit();
+            }, 300);
+        });
+        
+        document.getElementById('type').addEventListener('change', function() {
+            clearTimeout(filterTimeout);
+            filterTimeout = setTimeout(() => {
+                document.getElementById('filterForm').submit();
+            }, 300);
+        });
+        
+        document.getElementById('rating').addEventListener('change', function() {
+            clearTimeout(filterTimeout);
+            filterTimeout = setTimeout(() => {
+                document.getElementById('filterForm').submit();
+            }, 300);
+        });
+        
+        // Поиск с debounce
+        let searchTimeout;
+        document.getElementById('search').addEventListener('input', function() {
+            clearTimeout(searchTimeout);
+            searchTimeout = setTimeout(() => {
+                if (this.value.length >= 2 || this.value.length === 0) {
+                    document.getElementById('filterForm').submit();
+                }
+            }, 800);
+        });
+        
+        document.getElementById('search').addEventListener('keypress', function(e) {
+            if (e.key === 'Enter') {
+                e.preventDefault();
+                document.getElementById('filterForm').submit();
+            }
+        });
+    </script>
+
+    <style>
+        .page-title {
+            color: #A0522D;
+            font-size: 1.8rem;
+            font-weight: 600;
+            font-family: 'Verdana', sans-serif;
+        }
+        
+        .btn-primary {
+            background: #A0522D;
+            color: white;
+            border: none;
+            border-radius: 8px;
+            padding: 10px 20px;
+            font-family: 'Verdana', sans-serif;
+            text-decoration: none;
+            display: inline-flex;
+            align-items: center;
+            gap: 5px;
+        }
+        
+        .btn-primary:hover {
+            background: #8B4513;
+            transform: translateY(-1px);
+            box-shadow: 0 4px 8px rgba(160, 82, 45, 0.2);
+        }
+
+        /* ===== УЛУЧШЕННЫЙ ПОИСК И ФИЛЬТРЫ (КАК В КАТАЛОГЕ) ===== */
+        .search-section {
+            background: white;
+            border-radius: 16px;
+            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
+            padding: 20px;
+            margin-bottom: 25px;
+            border: 1px solid #DEB887;
+        }
+        
+        .search-header {
+            display: flex;
+            justify-content: space-between;
+            align-items: center;
+            margin-bottom: 20px;
+        }
+        
+        .search-title {
+            font-size: 1.2rem;
+            font-weight: 600;
+            color: #2c3e50;
+            margin: 0;
+            display: flex;
+            align-items: center;
+            gap: 8px;
+        }
+        
+        .search-title i {
+            color: #A0522D;
+        }
+        
+        .btn-clear {
+            background: none;
+            border: 1px solid #DEB887;
+            padding: 8px 16px;
+            border-radius: 30px;
+            color: #6c757d;
+            font-size: 0.9rem;
+            transition: all 0.2s ease;
+            text-decoration: none;
+            display: inline-flex;
+            align-items: center;
+            gap: 5px;
+        }
+        
+        .btn-clear:hover {
+            background: #FAEBD7;
+            border-color: #A0522D;
+            color: #A0522D;
+        }
+        
+        .search-form {
+            display: flex;
+            flex-direction: column;
+            gap: 15px;
+        }
+        
+        .search-row {
+            width: 100%;
+        }
+        
+        .search-input-wrapper {
+            position: relative;
+            width: 100%;
+        }
+        
+        .search-icon {
+            position: absolute;
+            left: 15px;
+            top: 50%;
+            transform: translateY(-50%);
+            color: #adb5bd;
+            font-size: 1rem;
+            pointer-events: none;
+        }
+        
+        .search-input {
+            width: 100%;
+            height: 48px;
+            padding: 0 45px 0 45px;
+            border: 2px solid #DEB887;
+            border-radius: 30px;
+            font-size: 1rem;
+            transition: all 0.2s ease;
+            background: white;
+        }
+        
+        .search-input:focus {
+            outline: none;
+            border-color: #A0522D;
+            box-shadow: 0 0 0 4px rgba(160, 82, 45, 0.1);
+        }
+        
+        .search-input::placeholder {
+            color: #adb5bd;
+        }
+        
+        .search-clear {
+            position: absolute;
+            right: 15px;
+            top: 50%;
+            transform: translateY(-50%);
+            color: #adb5bd;
+            text-decoration: none;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+        }
+        
+        .search-clear:hover {
+            color: #A0522D;
+        }
+        
+        .filters-row {
+            display: flex;
+            gap: 15px;
+            align-items: flex-end;
+            flex-wrap: wrap;
+        }
+        
+        .filter-group {
+            flex: 1;
+            min-width: 180px;
+        }
+        
+        .filter-label {
+            display: block;
+            font-size: 0.85rem;
+            font-weight: 600;
+            color: #495057;
+            margin-bottom: 6px;
+            letter-spacing: 0.3px;
+        }
+        
+        .filter-label i {
+            color: #A0522D;
+            margin-right: 4px;
+            font-size: 0.8rem;
+        }
+        
+        .filter-select {
+            width: 100%;
+            height: 42px;
+            padding: 0 35px 0 12px;
+            border: 2px solid #DEB887;
+            border-radius: 10px;
+            font-size: 0.95rem;
+            color: #2c3e50;
+            background-color: white;
+            cursor: pointer;
+            transition: all 0.2s ease;
+            appearance: none;
+            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23A0522D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
+            background-repeat: no-repeat;
+            background-position: right 12px center;
+            background-size: 16px;
+        }
+        
+        .filter-select:hover {
+            border-color: #A0522D;
+        }
+        
+        .filter-select:focus {
+            outline: none;
+            border-color: #A0522D;
+            box-shadow: 0 0 0 3px rgba(160, 82, 45, 0.1);
+        }
+        
+        .btn-apply {
+            background: #A0522D;
+            color: white;
+            border: none;
+            padding: 0 25px;
+            height: 42px;
+            border-radius: 10px;
+            font-size: 0.95rem;
+            font-weight: 500;
+            cursor: pointer;
+            transition: all 0.2s ease;
+            display: inline-flex;
+            align-items: center;
+            gap: 8px;
+            white-space: nowrap;
+        }
+        
+        .btn-apply:hover {
+            background: #8B4513;
+            transform: translateY(-2px);
+            box-shadow: 0 4px 12px rgba(160, 82, 45, 0.3);
+        }
+        
+        /* Активные фильтры */
+        .active-filters {
+            display: flex;
+            align-items: center;
+            gap: 10px;
+            flex-wrap: wrap;
+            padding: 10px 15px;
+            background: #FAEBD7;
+            border-radius: 30px;
+            font-size: 0.9rem;
+            margin-bottom: 20px;
+            border: 1px solid #DEB887;
+        }
+        
+        .active-filters-label {
+            color: #6c757d;
+            font-weight: 500;
+        }
+        
+        .filter-tags {
+            display: flex;
+            gap: 8px;
+            flex-wrap: wrap;
+        }
+        
+        .filter-tag {
+            background: white;
+            border: 1px solid #DEB887;
+            padding: 6px 12px;
+            border-radius: 30px;
+            font-size: 0.9rem;
+            color: #2c3e50;
+            display: inline-flex;
+            align-items: center;
+            gap: 8px;
+        }
+        
+        .remove-tag {
+            color: #adb5bd;
+            text-decoration: none;
+            display: inline-flex;
+            align-items: center;
+            font-size: 0.8rem;
+        }
+        
+        .remove-tag:hover {
+            color: #dc3545;
+        }
+
+        /* ===== СТИЛИ ДЛЯ КАРТОЧЕК ПОСТАВЩИКОВ ===== */
+        .card {
+            border: 1px solid #DEB887;
+            border-radius: 12px;
+            overflow: hidden;
+        }
+        
+        .text-muted {
+            font-family: 'Verdana', sans-serif;
+            color: #6c757d;
+        }
+        
+        .alert {
+            border-radius: 12px;
+            border: 1px solid #DEB887;
+            background: #FAEBD7;
+            border-left: 4px solid #A0522D;
+            font-family: 'Verdana', sans-serif;
+            padding: 15px 20px;
+        }
+        
+        .alert-link {
+            color: #A0522D;
+            font-weight: 600;
+            text-decoration: none;
+        }
+        
+        .alert-link:hover {
+            text-decoration: underline;
+        }
+        
+        i {
+            color: #A0522D;
+            margin-right: 6px;
+        }
+        
+        .btn-primary i, .btn-clear i, .btn-apply i {
+            color: inherit;
+        }
+        
+        /* Стили для карточек поставщиков */
+        .partner-card {
+            background: white;
+            border: 1px solid #DEB887;
+            border-radius: 12px;
+            padding: 20px;
+            transition: all 0.2s ease;
+        }
+        
+        .partner-card:hover {
+            box-shadow: 0 8px 16px rgba(160, 82, 45, 0.1);
+            border-color: #A0522D;
+        }
+
+        /* ===== АДАПТИВНОСТЬ ===== */
+        @media (max-width: 768px) {
+            .filters-row {
+                flex-direction: column;
+                gap: 10px;
+            }
+            
+            .filter-group {
+                width: 100%;
+            }
+            
+            .btn-apply {
+                width: 100%;
+                justify-content: center;
+            }
+            
+            .active-filters {
+                flex-direction: column;
+                align-items: flex-start;
+                border-radius: 12px;
+            }
+        }
+    </style>
+{% endblock %}

templates/materials.html

@@ -0,0 +1,266 @@
+{% extends "base.html" %}
+
+{% block title %}Материалы{% endblock %}
+
+{% block content %}
+    <!-- Заголовок -->
+    <div class="d-flex justify-content-between align-items-center mb-4">
+        <h2 class="page-title">Материалы</h2>
+        <span class="badge" style="background: linear-gradient(135deg, var(--steel-blue) 0%, #3a6d99 100%); color: white; padding: 8px 15px; border-radius: 20px; font-size: 1rem;">
+            <i class="fas fa-cube me-1"></i> Всего: {{ materials|length }}
+        </span>
+    </div>
+
+    <!-- Список материалов -->
+    {% if materials %}
+        <div class="row">
+            {% for material in materials %}
+                <div class="col-md-4 mb-3">
+                    <div class="material-card">
+                        <div class="material-card-header">
+                            <h5 class="material-title">
+                                <i class="fas fa-cube"></i> {{ material.material_name }}
+                            </h5>
+                        </div>
+                        <div class="material-card-body">
+                            {% if material.description %}
+                                <p class="material-description">{{ material.description }}</p>
+                            {% endif %}
+                            
+                            <div class="material-properties">
+                                {% if material.category %}
+                                <div class="property-item">
+                                    <span class="property-label">Категория:</span>
+                                    <span class="property-value">{{ material.category }}</span>
+                                </div>
+                                {% endif %}
+                                
+                                {% if material.color %}
+                                <div class="property-item">
+                                    <span class="property-label">Цвет:</span>
+                                    <span class="property-value">{{ material.color }}</span>
+                                </div>
+                                {% endif %}
+                                
+                                {% if material.density %}
+                                <div class="property-item">
+                                    <span class="property-label">Плотность:</span>
+                                    <span class="property-value">{{ material.density }} кг/м³</span>
+                                </div>
+                                {% endif %}
+                                
+                                {% if material.thickness %}
+                                <div class="property-item">
+                                    <span class="property-label">Толщина:</span>
+                                    <span class="property-value">{{ material.thickness }} мм</span>
+                                </div>
+                                {% endif %}
+                                
+                                {% if material.supplier %}
+                                <div class="property-item">
+                                    <span class="property-label">Поставщик:</span>
+                                    <span class="property-value">{{ material.supplier }}</span>
+                                </div>
+                                {% endif %}
+                                
+                                {% if material.country %}
+                                <div class="property-item">
+                                    <span class="property-label">Страна:</span>
+                                    <span class="property-value">{{ material.country }}</span>
+                                </div>
+                                {% endif %}
+                                
+                                {% if material.wear_class %}
+                                <div class="property-item">
+                                    <span class="property-label">Класс износа:</span>
+                                    <span class="property-value">{{ material.wear_class }}</span>
+                                </div>
+                                {% endif %}
+                            </div>
+                            
+                            <div class="material-price-stock">
+                                {% if material.price_per_unit %}
+                                <div class="price-item">
+                                    <span class="price-label">Цена:</span>
+                                    <span class="price-value">{{ material.price_per_unit|int }} руб./{{ material.unit or 'шт' }}</span>
+                                </div>
+                                {% endif %}
+                                
+                                <div class="stock-item">
+                                    <span class="stock-label">В наличии:</span>
+                                    <span class="stock-value {% if material.in_stock and material.in_stock > 0 %}text-success{% else %}text-danger{% endif %}">
+                                        {{ material.in_stock or 0 }} {{ material.unit or 'шт' }}
+                                    </span>
+                                </div>
+                            </div>
+                            
+                            <div class="material-footer">
+                                <small class="text-muted">
+                                    <i class="far fa-calendar-alt"></i> Добавлено: {{ material.created_at[:10] if material.created_at else '-' }}
+                                </small>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            {% endfor %}
+        </div>
+    {% else %}
+        <div class="alert alert-info text-center py-5">
+            <i class="fas fa-cube fa-3x mb-3" style="color: var(--light-steel-blue);"></i>
+            <h4 class="mb-3">Нет материалов</h4>
+            <p class="mb-0">В базе данных пока нет материалов. Добавьте материалы через импорт данных.</p>
+        </div>
+    {% endif %}
+
+    <style>
+        .page-title {
+            color: var(--steel-blue);
+            font-size: 1.8rem;
+            font-weight: 600;
+            font-family: 'Franklin Gothic', 'Arial Narrow', Arial, sans-serif;
+        }
+        
+        .material-card {
+            background: linear-gradient(135deg, var(--alice-blue) 0%, #E6F2FF 100%);
+            border: 1px solid var(--light-steel-blue);
+            border-radius: 12px;
+            padding: 15px;
+            height: 100%;
+            box-shadow: 0 4px 8px rgba(70, 130, 180, 0.1);
+            transition: all 0.2s ease;
+            display: flex;
+            flex-direction: column;
+        }
+        
+        .material-card:hover {
+            box-shadow: 0 8px 16px rgba(70, 130, 180, 0.2);
+            border-color: var(--steel-blue);
+            transform: translateY(-2px);
+        }
+        
+        .material-card-header {
+            border-bottom: 1px solid var(--light-steel-blue);
+            padding-bottom: 10px;
+            margin-bottom: 10px;
+        }
+        
+        .material-title {
+            color: var(--steel-blue);
+            font-size: 1.2rem;
+            font-weight: 600;
+            margin: 0;
+            font-family: 'Franklin Gothic', 'Arial Narrow', Arial, sans-serif;
+        }
+        
+        .material-title i {
+            margin-right: 8px;
+            color: var(--light-steel-blue);
+        }
+        
+        .material-description {
+            color: #2c3e50;
+            margin-bottom: 12px;
+            font-size: 0.95rem;
+            line-height: 1.5;
+            padding-bottom: 8px;
+            border-bottom: 1px dashed var(--light-steel-blue);
+        }
+        
+        .material-properties {
+            margin-bottom: 12px;
+        }
+        
+        .property-item {
+            margin-bottom: 5px;
+            font-size: 0.9rem;
+            display: flex;
+            justify-content: space-between;
+        }
+        
+        .property-label {
+            color: #6c757d;
+            font-weight: 500;
+        }
+        
+        .property-value {
+            color: #2c3e50;
+            font-weight: 500;
+        }
+        
+        .material-price-stock {
+            background-color: rgba(70, 130, 180, 0.1);
+            border-radius: 8px;
+            padding: 10px;
+            margin-top: 10px;
+            margin-bottom: 10px;
+        }
+        
+        .price-item, .stock-item {
+            display: flex;
+            justify-content: space-between;
+            align-items: center;
+            margin-bottom: 5px;
+        }
+        
+        .price-label, .stock-label {
+            color: #6c757d;
+            font-weight: 500;
+        }
+        
+        .price-value {
+            color: var(--steel-blue);
+            font-weight: 700;
+            font-size: 1.1rem;
+        }
+        
+        .stock-value {
+            font-weight: 600;
+        }
+        
+        .text-success {
+            color: #28a745 !important;
+        }
+        
+        .text-danger {
+            color: #dc3545 !important;
+        }
+        
+        .material-footer {
+            margin-top: auto;
+            padding-top: 8px;
+            border-top: 1px solid var(--light-steel-blue);
+            font-size: 0.85rem;
+        }
+        
+        .alert-info {
+            border-radius: 12px;
+            border: 2px dashed var(--light-steel-blue);
+            background: linear-gradient(135deg, var(--alice-blue) 0%, #E6F2FF 100%);
+            color: #2c3e50;
+        }
+        
+        .alert-info i {
+            color: var(--steel-blue);
+        }
+        
+        .alert-info h4 {
+            color: var(--steel-blue);
+            font-weight: 600;
+        }
+        
+        .badge {
+            font-family: 'Franklin Gothic', 'Arial Narrow', Arial, sans-serif;
+        }
+        
+        @media (max-width: 768px) {
+            .col-md-4 {
+                width: 100%;
+            }
+            
+            .property-item {
+                flex-direction: column;
+                align-items: flex-start;
+            }
+        }
+    </style>
+{% endblock %}

templates/order_history.html

@@ -0,0 +1,522 @@
+{% extends "base.html" %}
+
+{% block title %}История заказов - {{ client.name }}{% endblock %}
+
+{% block content %}
+<div class="container">
+    <!-- Хлебные крошки -->
+    <nav aria-label="breadcrumb" class="mb-3">
+        <ol class="breadcrumb">
+            <li class="breadcrumb-item"><a href="{{ url_for('index') }}">Поставщики</a></li>
+            <li class="breadcrumb-item active">{{ client.name }}</li>
+        </ol>
+    </nav>
+
+    <!-- Заголовок с информацией о клиенте -->
+    <div class="mb-4">
+        <h2 class="page-title">История заказов - {{ client.name }}</h2>
+        <div class="mt-2">
+            {% if client.rating %}
+            <span class="rating-badge">Рейтинг: {{ client.rating }}</span>
+            {% endif %}
+            {% if total_stats %}
+            <span class="stats-badge">Всего заказов: {{ total_stats.total_orders }}</span>
+            <span class="stats-badge">Выполнено: {{ total_stats.completed_orders }}</span>
+            <span class="stats-badge">Общая сумма: {{ "%.2f"|format(total_stats.total_amount or 0) }} руб.</span>
+            {% endif %}
+        </div>
+    </div>
+
+    <!-- Кнопка добавления заказа -->
+    <div class="mb-3">
+        <a href="{{ url_for('add_order', client_id=client.id) }}" class="btn-custom">
+            <i class="fas fa-plus"></i> Добавить заказ
+        </a>
+    </div>
+
+    <!-- Детальная таблица заказов -->
+    <div class="table-responsive">
+        <table class="custom-table">
+            <thead>
+                <tr>
+                    <th>ID заказа</th>
+                    <th>Дата</th>
+                    <th>Товары</th>
+                    <th>Базовая стоимость</th>
+                    <th>Транспортные расходы (10%)</th>
+                    <th>Скидка</th>
+                    <th>Итоговая стоимость</th>
+                    <th>Статус</th>
+                    <th>Действия</th>
+                </tr>
+            </thead>
+            <tbody>
+                {% for order in orders %}
+                <tr>
+                    <td>{{ order.id }}</td>
+                    <td>{{ order.order_date }}</td>
+                    <td>
+                        <button class="btn-toggle" type="button" 
+                                onclick="toggleDetails('products-{{ order.id }}')">
+                            <i class="fas fa-eye"></i> {{ order.items_count }} товар(ов)
+                        </button>
+                    </td>
+                    <td>{{ "%.2f"|format(order.base_amount) }} руб.</td>
+                    <td>{{ "%.2f"|format(order.shipping_cost) }} руб.</td>
+                    <td>
+                        {% if order.discount and order.discount > 0 %}
+                            <span class="discount-badge">{{ order.discount }}%</span>
+                        {% else %}
+                            <span class="text-muted">-</span>
+                        {% endif %}
+                    </td>
+                    <td><strong>{{ "%.2f"|format(order.display_total) }} руб.</strong></td>
+                    <td>
+                        <span class="status-badge 
+                            {% if order.status == 'Выполнен' %}status-success
+                            {% elif order.status == 'Отменен' %}status-danger
+                            {% elif order.status == 'В обработке' %}status-warning
+                            {% elif order.status == 'Новый' %}status-new
+                            {% else %}status-default{% endif %}">
+                            {{ order.status }}
+                        </span>
+                    </td>
+                    <td>
+                        <form action="{{ url_for('update_order_status', order_id=order.id) }}" method="POST" class="d-inline">
+                            <select name="status" class="status-select" onchange="this.form.submit()">
+                                <option value="Новый" {% if order.status == 'Новый' %}selected{% endif %}>Новый</option>
+                                <option value="В обработке" {% if order.status == 'В обработке' %}selected{% endif %}>В обработке</option>
+                                <option value="Выполнен" {% if order.status == 'Выполнен' %}selected{% endif %}>Выполнен</option>
+                                <option value="Отменен" {% if order.status == 'Отменен' %}selected{% endif %}>Отменен</option>
+                            </select>
+                        </form>
+                    </td>
+                </tr>
+                <tr id="products-{{ order.id }}" class="details-row" style="display: none;">
+                    <td colspan="9">
+                        <div class="details-container">
+                            <div class="details-header">
+                                <h6>Детали заказа №{{ order.id }}</h6>
+                                <button class="btn-close" onclick="toggleDetails('products-{{ order.id }}')">
+                                    <i class="fas fa-times"></i>
+                                </button>
+                            </div>
+                            <table class="details-table">
+                                <thead>
+                                    <tr>
+                                        <th>Товар</th>
+                                        <th>Артикул</th>
+                                        <th>Категория</th>
+                                        <th>Количество</th>
+                                        <th>Цена за ед.</th>
+                                        <th>Стоимость</th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    {% if order.order_items and order.order_items|length > 0 %}
+                                        {% for item in order.order_items %}
+                                        <tr>
+                                            <td>{{ item.product_name }}</td>
+                                            <td>{{ item.article or '—' }}</td>
+                                            <td>{{ item.category_name or '—' }}</td>
+                                            <td>{{ item.quantity }}</td>
+                                            <td>{{ "%.2f"|format(item.price_at_moment) }} руб.</td>
+                                            <td>{{ "%.2f"|format(item.item_total) }} руб.</td>
+                                        </tr>
+                                        {% endfor %}
+                                    {% else %}
+                                        <tr>
+                                            <td colspan="6" class="text-center">Нет данных о товарах</td>
+                                        </tr>
+                                    {% endif %}
+                                </tbody>
+                                <tfoot>
+                                    <tr>
+                                        <td colspan="5" class="text-end"><strong>Базовая стоимость:</strong></td>
+                                        <td><strong>{{ "%.2f"|format(order.base_amount) }} руб.</strong></td>
+                                    </tr>
+                                    <tr>
+                                        <td colspan="5" class="text-end">Транспортные расходы (10%):</td>
+                                        <td>+ {{ "%.2f"|format(order.shipping_cost) }} руб.</td>
+                                    </tr>
+                                    {% if order.discount and order.discount > 0 %}
+                                    <tr>
+                                        <td colspan="5" class="text-end">Скидка ({{ order.discount }}%):</td>
+                                        <td>- {{ "%.2f"|format(((order.base_amount + order.shipping_cost) * order.discount / 100)) }} руб.</td>
+                                    </tr>
+                                    {% endif %}
+                                    <tr class="total-row">
+                                        <td colspan="5" class="text-end"><strong>ИТОГО к оплате:</strong></td>
+                                        <td><strong class="total-amount">{{ "%.2f"|format(order.display_total) }} руб.</strong></td>
+                                    </tr>
+                                </tfoot>
+                            </table>
+                        </div>
+                    </td>
+                </tr>
+                {% else %}
+                <tr>
+                    <td colspan="9" class="text-center py-4">
+                        <p class="text-muted mb-2">У этого клиента пока нет заказов</p>
+                        <a href="{{ url_for('add_order', client_id=client.id) }}" class="btn-custom btn-sm">
+                            <i class="fas fa-plus"></i> Создать первый заказ
+                        </a>
+                    </td>
+                </tr>
+                {% endfor %}
+            </tbody>
+        </table>
+    </div>
+
+    <div class="mt-3">
+        <a href="{{ url_for('index') }}" class="btn-custom">
+            <i class="fas fa-arrow-left"></i> Назад к поставщикам
+        </a>
+    </div>
+</div>
+
+<style>
+    /* Основные цвета */
+    :root {
+        --antique-white: #FAEBD7;
+        --light-brown: #DEB887;
+        --brown: #A0522D;
+        --white: #ffffff;
+        --text-dark: #333333;
+    }
+
+    body {
+        background-color: var(--antique-white);
+    }
+
+    .container {
+        background-color: var(--antique-white);
+        padding: 20px;
+        border-radius: 12px;
+    }
+
+    /* Хлебные крошки */
+    .breadcrumb {
+        background-color: var(--white);
+        border: 2px solid var(--light-brown);
+        border-radius: 8px;
+        padding: 10px 15px;
+    }
+
+    .breadcrumb-item a {
+        color: var(--brown);
+        text-decoration: none;
+    }
+
+    .breadcrumb-item a:hover {
+        text-decoration: underline;
+    }
+
+    .breadcrumb-item.active {
+        color: var(--text-dark);
+    }
+
+    .breadcrumb-item + .breadcrumb-item::before {
+        color: var(--light-brown);
+    }
+
+    /* Заголовок */
+    .page-title {
+        color: var(--brown);
+        font-size: 1.5rem;
+        font-weight: 600;
+        font-family: 'Verdana', sans-serif;
+        border-bottom: 2px solid var(--light-brown);
+        padding-bottom: 10px;
+    }
+
+    /* Бейджи */
+    .rating-badge, .stats-badge {
+        display: inline-block;
+        padding: 6px 12px;
+        border-radius: 20px;
+        font-size: 0.9rem;
+        font-weight: 500;
+        margin-right: 8px;
+        border: 1px solid var(--light-brown);
+        background-color: var(--white);
+        color: var(--brown);
+    }
+
+    /* Кнопки */
+    .btn-custom {
+        background: var(--white);
+        border: 2px solid var(--light-brown);
+        color: var(--brown);
+        padding: 8px 16px;
+        border-radius: 8px;
+        text-decoration: none;
+        display: inline-flex;
+        align-items: center;
+        gap: 8px;
+        font-weight: 500;
+        cursor: pointer;
+        transition: all 0.3s ease;
+    }
+
+    .btn-custom:hover {
+        background: var(--light-brown);
+        color: var(--white);
+    }
+
+    .btn-custom i {
+        color: inherit;
+    }
+
+    .btn-custom.btn-sm {
+        padding: 5px 10px;
+        font-size: 0.9rem;
+    }
+
+    .btn-toggle {
+        background: none;
+        border: 1px solid var(--light-brown);
+        color: var(--brown);
+        padding: 4px 8px;
+        border-radius: 4px;
+        cursor: pointer;
+        font-size: 0.9rem;
+    }
+
+    .btn-toggle:hover {
+        background-color: var(--light-brown);
+        color: var(--white);
+    }
+
+    .btn-close {
+        background: none;
+        border: 1px solid var(--light-brown);
+        color: var(--brown);
+        width: 30px;
+        height: 30px;
+        border-radius: 50%;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        cursor: pointer;
+    }
+
+    .btn-close:hover {
+        background-color: var(--light-brown);
+        color: var(--white);
+    }
+
+    /* Таблица */
+    .custom-table {
+        width: 100%;
+        background: var(--white);
+        border-radius: 12px;
+        overflow: hidden;
+        border: 2px solid var(--light-brown);
+        border-collapse: separate;
+        border-spacing: 0;
+    }
+
+    .custom-table thead th {
+        background: var(--brown);
+        color: var(--white);
+        padding: 12px;
+        font-weight: 500;
+        border-bottom: 2px solid var(--light-brown);
+    }
+
+    .custom-table tbody td {
+        padding: 12px;
+        border-bottom: 1px solid var(--light-brown);
+        color: var(--text-dark);
+    }
+
+    .custom-table tbody tr:last-child td {
+        border-bottom: none;
+    }
+
+    .custom-table tbody tr:hover {
+        background-color: var(--antique-white);
+    }
+
+    /* Бейджи статусов */
+    .status-badge {
+        display: inline-block;
+        padding: 6px 12px;
+        border-radius: 20px;
+        font-size: 0.85rem;
+        font-weight: 500;
+        border: 1px solid;
+    }
+
+    .status-success {
+        background-color: #d4edda;
+        color: #155724;
+        border-color: #c3e6cb;
+    }
+
+    .status-danger {
+        background-color: #f8d7da;
+        color: #721c24;
+        border-color: #f5c6cb;
+    }
+
+    .status-warning {
+        background-color: #fff3cd;
+        color: #856404;
+        border-color: #ffeeba;
+    }
+
+    .status-new {
+        background-color: #cce5ff;
+        color: #004085;
+        border-color: #b8daff;
+    }
+
+    .status-default {
+        background-color: #e2e3e5;
+        color: #383d41;
+        border-color: #d6d8db;
+    }
+
+    /* Бейдж скидки */
+    .discount-badge {
+        display: inline-block;
+        padding: 4px 8px;
+        border-radius: 4px;
+        background-color: var(--light-brown);
+        color: var(--white);
+        font-weight: 500;
+    }
+
+    /* Селект статуса */
+    .status-select {
+        border: 1px solid var(--light-brown);
+        border-radius: 4px;
+        padding: 4px 8px;
+        color: var(--brown);
+        background-color: var(--white);
+        cursor: pointer;
+    }
+
+    .status-select:hover {
+        background-color: var(--antique-white);
+    }
+
+    /* Детали заказа */
+    .details-row {
+        background-color: var(--antique-white);
+    }
+
+    .details-container {
+        padding: 20px;
+        border: 2px solid var(--light-brown);
+        border-radius: 8px;
+        margin: 10px;
+        background-color: var(--white);
+    }
+
+    .details-header {
+        display: flex;
+        justify-content: space-between;
+        align-items: center;
+        margin-bottom: 15px;
+        padding-bottom: 10px;
+        border-bottom: 2px solid var(--light-brown);
+    }
+
+    .details-header h6 {
+        color: var(--brown);
+        font-size: 1.1rem;
+        font-weight: 600;
+        margin: 0;
+    }
+
+    /* Детальная таблица */
+    .details-table {
+        width: 100%;
+        border-collapse: collapse;
+    }
+
+    .details-table th {
+        background-color: var(--antique-white);
+        color: var(--brown);
+        padding: 8px;
+        text-align: left;
+        border-bottom: 2px solid var(--light-brown);
+    }
+
+    .details-table td {
+        padding: 8px;
+        border-bottom: 1px solid var(--light-brown);
+    }
+
+    .details-table tfoot td {
+        background-color: var(--antique-white);
+        font-weight: 500;
+    }
+
+    .details-table .total-row {
+        border-top: 2px solid var(--light-brown);
+    }
+
+    .details-table .total-amount {
+        color: var(--brown);
+        font-size: 1.1rem;
+    }
+
+    /* Иконки */
+    i {
+        color: var(--brown);
+    }
+
+    .btn-custom i, .btn-toggle i, .btn-close i {
+        font-size: 0.9rem;
+    }
+
+    /* Адаптивность */
+    @media (max-width: 768px) {
+        .custom-table {
+            font-size: 0.9rem;
+        }
+        
+        .custom-table th, .custom-table td {
+            padding: 8px;
+        }
+        
+        .status-select {
+            max-width: 100px;
+        }
+    }
+</style>
+
+<script>
+// Функция для открытия/закрытия деталей заказа
+function toggleDetails(elementId) {
+    var element = document.getElementById(elementId);
+    if (element.style.display === "none" || element.style.display === "") {
+        element.style.display = "table-row";
+        // Плавный скролл к открытому элементу
+        element.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
+    } else {
+        element.style.display = "none";
+    }
+}
+
+// Закрытие по клику вне области (опционально)
+document.addEventListener('click', function(event) {
+    // Можно добавить логику для закрытия при клике вне
+});
+
+// Инициализация - скрываем все детали при загрузке
+document.addEventListener('DOMContentLoaded', function() {
+    var detailsRows = document.querySelectorAll('.details-row');
+    detailsRows.forEach(function(row) {
+        row.style.display = 'none';
+    });
+});
+</script>
+
+<!-- Добавляем Font Awesome для иконок -->
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
+{% endblock %}

templates/orders_list.html

@@ -0,0 +1,410 @@
+{% extends "base.html" %}
+
+{% block title %}Список заказов{% endblock %}
+
+{% block content %}
+    <!-- Заголовок и кнопка добавления -->
+    <div class="d-flex justify-content-between align-items-center mb-4">
+        <h2 class="page-title">Список заказов</h2>
+        <div class="btn-group">
+            <select class="form-select me-2" id="supplierSelect" style="width: 250px;">
+                <option value="">Выберите поставщика</option>
+                {% for client in clients %}
+                    <option value="{{ client.id }}">{{ client.name }}</option>
+                {% endfor %}
+            </select>
+            <button class="btn btn-primary" id="addOrderBtn" onclick="addOrder()">
+                <i class="fas fa-plus"></i> Добавить заказ
+            </button>
+        </div>
+    </div>
+
+    <!-- Статистика -->
+    <div class="row mb-4">
+        <div class="col-md-6">
+            <div class="stats-card">
+                <div class="stat-item">
+                    <h5 class="stat-label">Всего заказов</h5>
+                    <p class="stat-number">{{ total_stats.total_orders or 0 }}</p>
+                </div>
+            </div>
+        </div>
+        <div class="col-md-6">
+            <div class="stats-card">
+                <div class="stat-item">
+                    <h5 class="stat-label">Общая сумма</h5>
+                    <p class="stat-number">{{ (total_stats.total_amount or 0)|int }} руб.</p>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <!-- Таблица заказов -->
+    {% if orders %}
+        <div class="table-responsive">
+            <table class="table table-striped table-hover">
+                <thead>
+                    <tr>
+                        <th>ID</th>
+                        <th>Дата</th>
+                        <th>Поставщик</th>
+                        <th>ИНН</th>
+                        <th>Товары</th>
+                        <th>Сумма</th>
+                        <th>Статус</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {% for order in orders %}
+                    <tr>
+                        <td>{{ order.id }}</td>
+                        <td>{{ order.order_date }}</td>
+                        <td>
+                            <a href="{{ url_for('order_history', client_id=order.client_id) }}">
+                                {{ order.client_name }}
+                            </a>
+                        </td>
+                        <td>{{ order.client_inn or '-' }}</td>
+                        <td>
+                            {% if order.product_name %}
+                                <!-- Старая структура - один товар -->
+                                <small>{{ order.product_name }}</small>
+                            {% elif order.products_list %}
+                                <!-- Новая структура - несколько товаров -->
+                                <small>{{ order.products_list|truncate(50) }}</small>
+                            {% else %}
+                                <span class="text-muted">—</span>
+                            {% endif %}
+                        </td>
+                        <td class="fw-bold">{{ order.total_amount|int }} руб.</td>
+                        <td>
+                            <span class="badge 
+                                {% if order.status == 'Выполнен' %}bg-success
+                                {% elif order.status == 'Отменен' %}bg-danger
+                                {% elif order.status == 'В обработке' %}bg-warning
+                                {% else %}bg-secondary{% endif %}">
+                                {{ order.status }}
+                            </span>
+                        </td>
+                    </tr>
+                    {% endfor %}
+                </tbody>
+            </table>
+        </div>
+    {% else %}
+        <div class="alert alert-info">
+            <i class="fas fa-info-circle"></i> 
+            Нет данных о заказах. <a href="{{ url_for('index') }}" class="alert-link">Вернуться к поставщикам</a>.
+        </div>
+    {% endif %}
+
+    <script>
+        function addOrder() {
+            const supplierId = document.getElementById('supplierSelect').value;
+            if (!supplierId) {
+                alert('Пожалуйста, выберите поставщика');
+                return;
+            }
+            window.location.href = "{{ url_for('add_order', client_id=0) }}".replace('0', supplierId);
+        }
+    </script>
+
+    <style>
+        :root {
+            --antique-white: #FAEBD7;
+            --light-brown: #DEB887;
+            --brown: #A0522D;
+            --dark-brown: #8B4513;
+            --text-dark: #2c3e50;
+        }
+        
+        .page-title {
+            color: var(--brown);
+            font-size: 1.8rem;
+            font-weight: 600;
+            font-family: 'Verdana', sans-serif;
+        }
+        
+        .btn-group {
+            display: flex;
+            align-items: center;
+        }
+        
+        .form-select {
+            border: 2px solid var(--light-brown);
+            border-radius: 8px;
+            padding: 10px 15px;
+            font-family: 'Verdana', sans-serif;
+            background-color: white;
+        }
+        
+        .form-select:focus {
+            border-color: var(--brown);
+            box-shadow: 0 0 0 0.2rem rgba(160, 82, 45, 0.25);
+        }
+        
+        .btn-primary {
+            background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+            border: none;
+            border-radius: 8px;
+            padding: 10px 20px;
+            font-family: 'Verdana', sans-serif;
+            color: white;
+        }
+        
+        .btn-primary:hover {
+            background: linear-gradient(135deg, var(--dark-brown) 0%, var(--brown) 100%);
+            transform: translateY(-2px);
+            box-shadow: 0 4px 10px rgba(160, 82, 45, 0.3);
+        }
+        
+        /* Статистика */
+        .stats-card {
+            background: linear-gradient(135deg, var(--antique-white) 0%, #F5DEB3 100%);
+            border: 1px solid var(--light-brown);
+            border-radius: 15px;
+            padding: 15px;
+            box-shadow: 0 4px 10px rgba(160, 82, 45, 0.1);
+            height: 100%;
+        }
+        
+        .stat-item {
+            text-align: center;
+            padding: 15px;
+            background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
+            border: 2px solid var(--light-brown);
+            border-radius: 12px;
+            box-shadow: 0 4px 8px rgba(160, 82, 45, 0.15);
+            transition: all 0.2s ease;
+            height: 100%;
+        }
+        
+        .stat-item:hover {
+            transform: translateY(-3px);
+            box-shadow: 0 8px 15px rgba(160, 82, 45, 0.25);
+            border-color: var(--brown);
+        }
+        
+        .stat-number {
+            color: var(--dark-brown);
+            font-size: 2rem;
+            font-weight: 700;
+            line-height: 1.2;
+            margin-bottom: 5px;
+            font-family: 'Verdana', sans-serif;
+        }
+        
+        .stat-label {
+            color: var(--brown);
+            font-size: 0.9rem;
+            text-transform: uppercase;
+            letter-spacing: 0.5px;
+            font-family: 'Verdana', sans-serif;
+            font-weight: 600;
+        }
+        
+        /* Таблица */
+        .table {
+            background-color: white;
+            border-radius: 10px;
+            overflow: hidden;
+            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
+        }
+        
+        .table thead th {
+            background: linear-gradient(135deg, var(--brown) 0%, var(--dark-brown) 100%);
+            color: white;
+            font-weight: 600;
+            border: none;
+            padding: 12px;
+            font-family: 'Verdana', sans-serif;
+            white-space: nowrap;
+            text-align: center;
+        }
+        
+        .table tbody tr:hover {
+            background-color: rgba(222, 184, 135, 0.2);
+        }
+        
+        .table tbody td {
+            font-family: 'Verdana', sans-serif;
+            color: #2c3e50;
+            vertical-align: middle;
+            padding: 12px;
+            text-align: center;
+        }
+        
+        .table tbody td:nth-child(3) {
+            text-align: left;
+        }
+        
+        .table tbody td:nth-child(5) {
+            text-align: left;
+        }
+        
+        .table a {
+            color: var(--brown);
+            text-decoration: none;
+            font-weight: 600;
+        }
+        
+        .table a:hover {
+            text-decoration: underline;
+        }
+        
+        /* Бейджи */
+        .badge {
+            padding: 8px 12px;
+            font-size: 0.85rem;
+            border-radius: 20px;
+            font-family: 'Verdana', sans-serif;
+            font-weight: 500;
+            white-space: nowrap;
+        }
+        
+        .badge.bg-success {
+            background: linear-gradient(135deg, #28a745 0%, #218838 100%) !important;
+            color: white !important;
+        }
+        
+        .badge.bg-warning {
+            background: linear-gradient(135deg, var(--light-brown) 0%, var(--brown) 100%) !important;
+            color: white !important;
+        }
+        
+        .badge.bg-danger {
+            background: linear-gradient(135deg, #dc3545 0%, #c82333 100%) !important;
+            color: white !important;
+        }
+        
+        .badge.bg-secondary {
+            background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%) !important;
+            color: white !important;
+        }
+        
+        /* Карточки статистики */
+        .bg-primary, .bg-success, .bg-info {
+            background: none !important;
+        }
+        
+        .card {
+            border: none;
+            background: none;
+        }
+        
+        .display-6 {
+            font-size: inherit;
+            font-weight: inherit;
+            line-height: inherit;
+        }
+        
+        /* Уведомления */
+        .alert {
+            border-radius: 12px;
+            border: 1px solid var(--light-brown);
+            background: linear-gradient(135deg, var(--antique-white) 0%, #F5DEB3 100%);
+            border-left: 6px solid var(--brown);
+            font-family: 'Verdana', sans-serif;
+            color: #2c3e50;
+        }
+        
+        .alert-link {
+            color: var(--brown);
+            font-weight: 600;
+            text-decoration: none;
+        }
+        
+        .alert-link:hover {
+            text-decoration: underline;
+        }
+        
+        /* Иконки */
+        i {
+            color: var(--brown);
+        }
+        
+        .btn-primary i {
+            color: white;
+        }
+        
+        /* Адаптивность для мобильных */
+        @media (max-width: 768px) {
+            .table thead {
+                display: none;
+            }
+            
+            .table tbody tr {
+                display: block;
+                margin-bottom: 15px;
+                border: 2px solid var(--light-brown);
+                border-radius: 8px;
+                overflow: hidden;
+            }
+            
+            .table tbody td {
+                display: flex;
+                justify-content: space-between;
+                align-items: center;
+                padding: 8px 12px;
+                border-bottom: 1px dashed var(--light-brown);
+                text-align: left;
+            }
+            
+            .table tbody td:before {
+                content: attr(data-label);
+                font-weight: 600;
+                color: var(--brown);
+                margin-right: 10px;
+                min-width: 100px;
+            }
+            
+            .table tbody td:last-child {
+                border-bottom: none;
+            }
+            
+            .btn-group {
+                flex-direction: column;
+                width: 100%;
+            }
+            
+            .form-select {
+                width: 100% !important;
+                margin-right: 0 !important;
+                margin-bottom: 10px;
+            }
+            
+            .btn-primary {
+                width: 100%;
+            }
+        }
+    </style>
+
+    <script>
+        // Добавляем data-label для адаптивности
+        document.addEventListener('DOMContentLoaded', function() {
+            const table = document.querySelector('.table tbody');
+            if (table) {
+                const headers = document.querySelectorAll('.table thead th');
+                const rows = table.querySelectorAll('tr');
+                
+                rows.forEach(row => {
+                    const cells = row.querySelectorAll('td');
+                    cells.forEach((cell, index) => {
+                        if (headers[index]) {
+                            cell.setAttribute('data-label', headers[index].textContent.trim());
+                        }
+                    });
+                });
+            }
+        });
+        
+        function addOrder() {
+            const supplierId = document.getElementById('supplierSelect').value;
+            if (!supplierId) {
+                alert('Пожалуйста, выберите поставщика');
+                return;
+            }
+            window.location.href = "{{ url_for('add_order', client_id=0) }}".replace('0', supplierId);
+        }
+    </script>
+{% endblock %}