/* ============================================================
   СтройСклад — Вариант №6
   Стиль: Индустриальный, боковая навигация
   Цвета варианта: #FAEBD7, #DEB887, #A0522D
   Шрифт: Verdana
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@400;500;600;700&display=swap');

:root {
    --cream:      #FAEBD7;
    --sand:       #DEB887;
    --brown:      #A0522D;
    --dark:       #1C1008;
    --white:      #FFFFFF;
    --light-bg:   #F9F4EE;
    --border:     #E8D5BC;
    --text:       #1C1008;
    --text-mid:   #6B4C30;
    --text-light: #A0826A;
    --shadow:     rgba(160, 82, 45, 0.10);
    --success:    #3D7A35;
    --error:      #B83030;
    --sidebar-w:  220px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }

body {
    font-family: Verdana, Geneva, sans-serif;
    background: var(--light-bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
}

/* ─── БОКОВАЯ НАВИГАЦИЯ ─────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w);
    min-height: 100vh;
    background: var(--dark);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 200;
    border-right: 3px solid var(--brown);
}

.sidebar-logo {
    padding: 1.5rem 1.2rem 1.2rem;
    border-bottom: 1px solid rgba(222,184,135,0.15);
}
.sidebar-logo .logo-icon {
    width: 36px;
    height: 36px;
    margin-bottom: 0.6rem;
    display: block;
}
.sidebar-logo .logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--cream);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    display: block;
    line-height: 1.2;
}
.sidebar-logo .logo-sub {
    font-size: 0.65rem;
    color: var(--sand);
    opacity: 0.7;
    letter-spacing: 0.04em;
    display: block;
    margin-top: 0.2rem;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
}
.nav-section-title {
    font-size: 0.6rem;
    font-weight: 700;
    color: rgba(222,184,135,0.45);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 0.8rem 1.2rem 0.3rem;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.65rem 1.2rem;
    color: rgba(250,235,215,0.65);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: all 0.15s;
}
.nav-link:hover {
    background: rgba(222,184,135,0.08);
    color: var(--cream);
    border-left-color: rgba(222,184,135,0.4);
}
.nav-link.active {
    background: rgba(160,82,45,0.25);
    color: var(--sand);
    border-left-color: var(--brown);
    font-weight: 700;
}
.nav-icon { font-size: 1rem; width: 18px; text-align: center; }

.sidebar-footer {
    padding: 1rem 1.2rem;
    border-top: 1px solid rgba(222,184,135,0.15);
    font-size: 0.65rem;
    color: rgba(222,184,135,0.35);
    line-height: 1.5;
}

/* ─── ОСНОВНОЙ КОНТЕНТ ──────────────────────────────────────── */
.main-wrapper {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 0.9rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
}
.topbar-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
}
.topbar-title span {
    display: inline-block;
    width: 4px;
    height: 1.1em;
    background: var(--brown);
    border-radius: 2px;
    margin-right: 0.6rem;
    vertical-align: middle;
}
.topbar-actions { display: flex; gap: 0.5rem; }

.page-body {
    flex: 1;
    padding: 1.8rem 2rem;
}

/* ─── FLASH ─────────────────────────────────────────────────── */
.flash-container { margin-bottom: 1.2rem; }
.flash {
    padding: 0.7rem 1rem 0.7rem 1.2rem;
    border-radius: 6px;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-left: 4px solid;
}
.flash-success { background: #F0FAF0; border-color: var(--success); color: #2A5C25; }
.flash-error   { background: #FDF2F2; border-color: var(--error);   color: var(--error); }

/* ─── СТАТИСТИКА ────────────────────────────────────────────── */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.3rem;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--brown);
}
.stat-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.4rem;
}
.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--brown);
    line-height: 1;
}

/* ─── ФИЛЬТРЫ ───────────────────────────────────────────────── */
.filter-bar {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.3rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
    margin-bottom: 1.2rem;
}
.filter-group { display: flex; flex-direction: column; gap: 0.3rem; }
.filter-group label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.filter-btns { flex-direction: row; align-items: flex-end; }

/* ─── ИНПУТЫ ────────────────────────────────────────────────── */
.form-input {
    font-family: Verdana, sans-serif;
    font-size: 0.85rem;
    border: 1.5px solid var(--border);
    border-radius: 6px;
    padding: 0.48rem 0.8rem;
    background: var(--white);
    color: var(--text);
    outline: none;
    transition: border-color 0.18s, box-shadow 0.18s;
    min-width: 130px;
}
.form-input:focus {
    border-color: var(--brown);
    box-shadow: 0 0 0 3px rgba(160,82,45,0.1);
}
.form-textarea { resize: vertical; min-height: 80px; width: 100%; }

/* ─── КНОПКИ ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.48rem 1rem;
    border-radius: 6px;
    font-family: Verdana, sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    border: 1.5px solid transparent;
    text-decoration: none;
    transition: all 0.15s;
    letter-spacing: 0.01em;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn-primary   { background: var(--brown); color: var(--white); border-color: var(--brown); }
.btn-primary:hover { background: #8B4520; border-color: #8B4520; }
.btn-secondary { background: var(--white); color: var(--text-mid); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--brown); color: var(--brown); }
.btn-edit      { background: var(--white); color: #3A6A18; border-color: #B0D080; font-size: 0.78rem; }
.btn-edit:hover { background: #F0FAE8; }
.btn-danger    { background: var(--white); color: var(--error); border-color: #DDAAAA; font-size: 0.78rem; }
.btn-danger:hover { background: #FDF2F2; }
.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.76rem; }

/* ─── ТАБЛИЦА ───────────────────────────────────────────────── */
.table-wrapper {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 6px var(--shadow);
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.83rem;
}
.data-table thead tr {
    background: var(--cream);
    border-bottom: 2px solid var(--sand);
}
.data-table th {
    padding: 0.7rem 1rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.67rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-mid);
    white-space: nowrap;
}
.data-table td {
    padding: 0.62rem 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
    color: var(--text);
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: #FBF6F0; }
.calc-col { color: var(--text-mid); }
.highlight-col strong { color: var(--brown); font-size: 0.92rem; }
.low-stock { color: var(--error); font-weight: 700; }
.table-meta {
    padding: 0.6rem 0.2rem;
    font-size: 0.75rem;
    color: var(--text-light);
}

/* ─── БЕЙДЖ ─────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    background: var(--cream);
    color: var(--brown);
    border-radius: 4px;
    padding: 0.12rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    border: 1px solid var(--sand);
    white-space: nowrap;
    letter-spacing: 0.02em;
}
code {
    background: var(--cream);
    color: var(--brown);
    padding: 0.1rem 0.35rem;
    border-radius: 3px;
    font-size: 0.76rem;
    border: 1px solid var(--sand);
}

/* ─── ФОРМА ─────────────────────────────────────────────────── */
.form-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    max-width: 860px;
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.3rem; }
.form-group.full-width { grid-column: 1 / -1; }
.form-label {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-mid);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.required { color: var(--error); }
.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.6rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border);
}

/* ─── РАСЧЁТ ────────────────────────────────────────────────── */
.calc-preview {
    background: var(--cream);
    border: 1px solid var(--sand);
    border-radius: 8px;
    padding: 1.2rem 1.5rem;
    margin-top: 1.3rem;
}
.calc-title {
    font-weight: 700;
    color: var(--brown);
    margin-bottom: 0.8rem;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.calc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.38rem 0;
    border-bottom: 1px solid rgba(160,82,45,0.12);
    font-size: 0.85rem;
    color: var(--text-mid);
}
.calc-row:last-child { border-bottom: none; }
.total-row {
    font-weight: 700;
    color: var(--brown);
    font-size: 1rem;
    padding-top: 0.6rem;
    color: var(--text);
}
.preview-qty-input { width: 80px; text-align: center; }

/* ─── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 900px) {
    .sidebar { display: none; }
    .main-wrapper { margin-left: 0; }
    .stats-bar { grid-template-columns: 1fr 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .form-group.full-width { grid-column: 1; }
}

/* ─── СОРТИРОВКА ────────────────────────────────────────────── */
.sort-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.8rem;
    color: var(--text-light);
    flex-wrap: wrap;
}