/* ═══════════════════════════════════════════════════════
   CATEGORY TABS  — главный фильтр
   ═══════════════════════════════════════════════════════ */
.category-section {
    max-width: 1600px;
    margin: 24px auto 0;
    width: 100%;
    padding: 0 24px;
}
.category-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 16px;
}
.category-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.9rem; letter-spacing: 2px;
    color: var(--clr-white);
}
.category-count {
    font-size: .75rem; color: var(--clr-text-muted);
    font-family: 'Inter', sans-serif; font-weight: 400;
    letter-spacing: 0;
}

.category-tabs {
    display: flex; gap: 6px; flex-wrap: wrap;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--clr-border);
}
.cat-tab {
    display: flex; align-items: center; gap: 7px;
    padding: 8px 16px;
    border: 1px solid var(--clr-border);
    border-radius: 24px;
    font-size: .8rem; font-weight: 500;
    color: var(--clr-text-muted);
    background: transparent;
    transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.cat-tab i { font-size: .7rem; }
.cat-tab:hover { border-color: var(--clr-accent); color: var(--clr-text); }
.cat-tab.is-active {
    border-color: var(--clr-accent);
    background: var(--clr-accent-dim);
    color: var(--clr-accent);
}

/* ═══════════════════════════════════════════════════════
   CATALOG LAYOUT  — sidebar + grid
   ═══════════════════════════════════════════════════════ */
.catalog-layout {
    width: 100%;
    max-width: 1600px; margin: 28px auto 28px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 32px;
    align-items: start;
}

/* Когда нет сайдбара */
.catalog-layout.no-sidebar {
    grid-template-columns: 1fr;
}

/* ─── SIDEBAR ─── */
.sidebar { display: flex; flex-direction: column; gap: 20px; }

.filter-block {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
}
.filter-block-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px;
    cursor: pointer;
    user-select: none;
}
.filter-block-title {
    font-size: .74rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 2px;
    color: var(--clr-text);
}
.filter-block-head i {
    font-size: .6rem; color: var(--clr-text-muted);
    transition: color var(--transition);
}
.filter-block-head:hover i { color: var(--clr-accent); }

.filter-block-body {
    padding: 0 18px 16px;
    display: flex; flex-direction: column; gap: 10px;
}
/* collapsed state */
.filter-block.is-collapsed .filter-block-body { display: none; }

/* filter items — checkbox style */
.filter-item {
    display: flex; align-items: center; gap: 10px;
    cursor: pointer;
}
.filter-item input[type="checkbox"] {
    appearance: none; -webkit-appearance: none;
    width: 16px; height: 16px;
    border: 1.5px solid var(--clr-border);
    border-radius: 4px;
    background: transparent;
    flex-shrink: 0;
    transition: border-color var(--transition), background var(--transition);
    cursor: pointer;
}
.filter-item input[type="checkbox"]:checked {
    border-color: var(--clr-accent);
    background: var(--clr-accent);
}
.filter-item input[type="checkbox"]:checked + .filter-item-label { color: var(--clr-text); }
.filter-item-label {
    font-size: .79rem; color: var(--clr-text-muted);
    transition: color var(--transition);
    flex: 1;
}
.filter-item:hover .filter-item-label { color: var(--clr-text); }
.filter-item-count {
    font-size: .7rem; color: var(--clr-text-muted);
    background: var(--clr-surface-alt);
    padding: 2px 7px; border-radius: 10px;
}

/* Стили для вложенных категорий (моделей) */
.filter-category-group {
    margin-bottom: 8px;
}

.filter-brand-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    padding: 4px 0;
}

.filter-brand-header strong {
    font-size: .8rem;
    color: var(--clr-text);
    font-weight: 600;
}

.filter-brand-count {
    font-size: .7rem;
    color: var(--clr-text-muted);
    background: var(--clr-surface-alt);
    padding: 2px 7px;
    border-radius: 10px;
}

.filter-category-children {
    margin-left: 12px;
    padding-left: 12px;
    border-left: 2px solid var(--clr-border);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-item-child .filter-item-label {
    font-size: .75rem;
    color: var(--clr-text-muted);
}

.filter-item-child:hover .filter-item-label {
    color: var(--clr-text);
}

.filter-item-child input[type="checkbox"]:checked + .filter-item-label {
    color: var(--clr-text);
    font-weight: 500;
}

/* price range */
.price-range { display: flex; align-items: center; gap: 8px; }
.price-range-input {
    flex: 1; background: var(--clr-surface-alt);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    color: var(--clr-text); font-size: .78rem;
    padding: 7px 10px; outline: none; width: 0;
    transition: border-color var(--transition);
}
.price-range-input:focus { border-color: var(--clr-accent); }
.price-range-sep { color: var(--clr-text-muted); font-size: .75rem; flex-shrink: 0; }

/* filter color swatches */
.filter-colors { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-color {
    width: 26px; height: 26px; border-radius: 50%;
    border: 2px solid var(--clr-border);
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition);
    position: relative;
}
.filter-color:hover { border-color: var(--clr-accent); }
.filter-color.is-active {
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 2px var(--clr-bg), 0 0 0 3.5px var(--clr-accent);
}
/* checkmark inside active swatch */
.filter-color.is-active::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free'; font-weight: 900;
    font-size: .55rem; color: #fff;
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
}

/* sidebar apply btn */
.filter-apply-btn {
    padding: 10px;
    background: var(--clr-accent); color: #fff;
    border-radius: var(--radius-sm);
    font-size: .78rem; font-weight: 600;
    letter-spacing: .5px;
    transition: background var(--transition);
}
.filter-apply-btn:hover { background: var(--clr-accent-hover); }

/* ─── CATALOG MAIN ─── */
.catalog-main { display: flex; flex-direction: column; gap: 20px; min-width: 0; }

/* toolbar: sort + view toggle + count */
.catalog-toolbar {
    display: flex; align-items: center; gap: 16px;
    flex-wrap: wrap;
}
.toolbar-sort {
    display: flex; align-items: center; gap: 8px;
    margin-right: auto;
}
.toolbar-sort-label { font-size: .76rem; color: var(--clr-text-muted); }
.toolbar-sort-select {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    color: var(--clr-text); font-size: .78rem;
    padding: 6px 30px 6px 12px;
    border-radius: var(--radius-sm);
    outline: none; cursor: pointer;
    appearance: none; -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%237a7a8e'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    transition: border-color var(--transition);
}
.toolbar-sort-select:focus { border-color: var(--clr-accent); }
.toolbar-sort-select option { background: var(--clr-surface-alt); color: var(--clr-text); }

.toolbar-view { display: flex; gap: 4px; }
.view-btn {
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--clr-text-muted); font-size: .78rem;
    transition: background var(--transition), color var(--transition);
}
.view-btn:hover { background: var(--clr-accent-dim); color: var(--clr-accent); }
.view-btn.is-active { background: var(--clr-accent-dim); color: var(--clr-accent); }

/* active filters chips (applied) */
.active-filters {
    display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
}
.active-filter-chip {
    display: flex; align-items: center; gap: 6px;
    padding: 4px 10px;
    background: var(--clr-surface-alt);
    border: 1px solid var(--clr-border);
    border-radius: 16px;
    font-size: .72rem; color: var(--clr-text-muted);
}
.active-filter-chip .chip-remove {
    color: var(--clr-text-muted); font-size: .55rem;
    cursor: pointer;
    transition: color var(--transition);
}
.active-filter-chip .chip-remove:hover { color: var(--clr-accent); }
.active-filters-clear {
    font-size: .72rem; color: var(--clr-accent);
    cursor: pointer;
    transition: opacity var(--transition);
}
.active-filters-clear:hover { opacity: .7; }

/* ═══════════════════════════════════════════════════════
   PRODUCT GRID
   ═══════════════════════════════════════════════════════ */
.product-grid {
    display: block;
}

ul.products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.product-grid.is-list { grid-template-columns: 1fr; }

/* ─── PRODUCT CARD ─── */
.product-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
    display: flex; flex-direction: column;
}
.product-card:hover {
    border-color: var(--clr-border);
    box-shadow: 0 4px 20px rgba(0,0,0,.35);
}

/* card badges */
.card-badges {
    position: absolute; top: 12px; left: 12px;
    display: flex; flex-direction: column; gap: 5px; z-index: 2;
}
.card-badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 8px; border-radius: 14px;
    font-size: .64rem; font-weight: 700; letter-spacing: .3px;
}
.card-badge.badge-new { background: var(--clr-accent); color: #fff; }
.card-badge.badge-hit { background: #e74c3c; color: #fff; }
.card-badge.badge-sale { background: #f39c12; color: #fff; }

/* card image area */
.card-image-wrap {
    position: relative;
    aspect-ratio: 1 / 1;
    background: var(--clr-surface-alt);
    overflow: hidden;
}
.card-image-wrap img {
    width: 100%; height: 100%; object-fit: contain;
    transition: opacity var(--transition);
}
.card-image-wrap:hover img { opacity: .88; }

/* wishlist btn */
.card-wishlist {
    position: absolute; top: 12px; right: 12px;
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(10,10,15,.65);
    border-radius: 50%; color: var(--clr-text-muted);
    font-size: .75rem; z-index: 2;
    transition: background var(--transition), color var(--transition);
}
.card-wishlist:hover,
.card-wishlist.is-active { background: rgba(231,76,60,.85); color: #fff; }

/* card body */
.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-brand {
    font-size: .65rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 2px;
    color: var(--clr-accent);
}
.card-title {
    font-size: .82rem; font-weight: 500;
    color: var(--clr-text); line-height: 1.35;
    flex: 1;
}
.card-title a { transition: color var(--transition); }
.card-title a:hover { color: var(--clr-accent); }

.card-rating { display: flex; align-items: center; gap: 6px; }
.card-stars { color: #f5a623; font-size: .68rem; letter-spacing: 1.5px; }
.card-rating-val { font-size: .68rem; color: var(--clr-text-muted); }

.card-price-row { display: flex; align-items: center; gap: 8px; margin-top: 2px; }
.card-price { font-size: 1.05rem; font-weight: 600; color: var(--clr-white); }
.card-price-old { font-size: .75rem; color: var(--clr-text-muted); text-decoration: line-through; }
.card-price-badge {
    background: var(--clr-accent); color: #fff;
    font-size: .6rem; font-weight: 700;
    padding: 2px 6px; border-radius: 10px;
}

.card-stock { font-size: .7rem; display: flex; align-items: center; gap: 5px; }
.card-stock-dot { width: 6px; height: 6px; border-radius: 50%; }
.card-stock.in-stock { color: var(--clr-green); }
.card-stock.in-stock .card-stock-dot { background: var(--clr-green); }
.card-stock.out-of-stock { color: var(--clr-red); }
.card-stock.out-of-stock .card-stock-dot { background: var(--clr-red); }

/* card footer — cart btn */
.card-footer { padding: 0 16px 14px; }
.card-cart-btn {
    display: flex; align-items: center; justify-content: center; gap: 7px;
    width: 100%; padding: 9px;
    background: var(--clr-accent); color: #fff;
    border-radius: var(--radius-sm);
    font-size: .76rem; font-weight: 600;
    transition: background var(--transition);
}
.card-cart-btn:hover { background: var(--clr-accent-hover); }
.card-cart-btn i { font-size: .7rem; }
.card-cart-btn.is-disabled {
    background: var(--clr-border); color: var(--clr-text-muted);
    cursor: not-allowed;
    pointer-events: none;
}

/* ─── LIST VIEW overrides ─── */
.product-grid.is-list .product-card {
    flex-direction: row;
}
.product-grid.is-list .card-image-wrap {
    width: 200px; min-width: 200px;
    aspect-ratio: auto; height: auto;
}
.product-grid.is-list .card-body { flex: 1; }
.product-grid.is-list .card-footer { padding: 0 16px 14px 0; }

/* ═══════════════════════════════════════════════════════
   PAGINATION
   ═══════════════════════════════════════════════════════ */
.pagination {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 24px 0 40px;
}
.page-btn {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    font-size: .78rem; font-weight: 500;
    color: var(--clr-text-muted);
    border: 1px solid transparent;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.page-btn:hover { background: var(--clr-accent-dim); color: var(--clr-accent); }
.page-btn.is-active {
    background: var(--clr-accent); color: #fff;
    border-color: var(--clr-accent);
}
.page-btn.page-nav { font-size: .62rem; color: var(--clr-text-muted); }
.page-btn.page-nav:hover { color: var(--clr-accent); }
.page-ellipsis { color: var(--clr-text-muted); font-size: .8rem; padding: 0 4px; }


/* ═══════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    ul.products {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
}
@media (max-width: 900px) {
    .catalog-layout { grid-template-columns: 1fr; }
    .sidebar { display: none; } /* mobile: скрытый, будет через burger */
}
@media (max-width: 640px) {
    ul.products {
        display: grid;
        grid-template-columns: repeat(1, 1fr);
        gap: 18px;
    }
    .category-section, .catalog-layout { padding: 0 16px; }
}









/* ═══════════════════════════════════════════════════════
   MOBILE FILTERS
   ═══════════════════════════════════════════════════════ */

.mobile-filters-toggle {
    display: none !important;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 999;
    background: var(--clr-accent);
    color: #fff;
    padding: 12px 20px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(255, 105, 0, 0.4);
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.mobile-filters-toggle:hover {
    background: var(--clr-accent-hover);
    box-shadow: 0 6px 16px rgba(255, 105, 0, 0.5);
}

.mobile-filters-toggle i {
    font-size: 0.9rem;
}

.mobile-filters-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s;
}

.mobile-filters-overlay.is-visible {
    display: block;
    opacity: 1;
}

.sidebar-header {
    display: none;
    padding: 20px;
    border-bottom: 1px solid var(--clr-border);
    background: var(--clr-surface);
}

.sidebar-header h3 {
    font-size: 1.2rem;
    color: var(--clr-text);
    margin: 0;
}

.sidebar-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--clr-surface-alt);
    border-radius: 50%;
    color: var(--clr-text-muted);
    transition: all 0.3s;
}

.sidebar-close:hover {
    background: var(--clr-accent-dim);
    color: var(--clr-accent);
}

.sidebar-content {
    flex: 1;
    display: flex;
    flex-flow: column;
    gap: 10px;
    overflow-y: auto;
}

/* ═══════════════════════════════════════════════════════
   RESPONSIVE - MOBILE FILTERS
   ═══════════════════════════════════════════════════════ */

@media (max-width: 900px) {
    .mobile-filters-toggle {
        display: flex !important;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 85%;
        max-width: 320px;
        z-index: 1001;
        background: var(--clr-bg);
        transform: translateX(-100%);
        transition: transform 0.3s;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .sidebar.is-open {
        transform: translateX(0);
    }

    .sidebar-header {
        display: block;
    }

    .sidebar-content {
        padding: 20px;
    }

    .filter-apply-btn {
        margin: 20px;
        margin-top: auto;
    }

    .catalog-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .product-grid ul.products {
        grid-template-columns: 1fr;
    }

    .category-section,
    .catalog-layout {
        padding: 0 16px;
    }

    .category-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .category-tabs::-webkit-scrollbar {
        display: none;
    }

    .mobile-filters-toggle {
        top: 116px;
        right: 16px;
        font-size: 0.8rem;
        padding: 10px 16px;
    }

    .sidebar {
        width: 90%;
        max-width: 100%;
    }
}