/* ==========================================================================
   Catena 26 — Shop / Category / Archive CSS
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Shop Layout: sidebar + main grid
   -------------------------------------------------------------------------- */
.shop-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--sp-8);
    align-items: start;
}

.shop-sidebar {
    background: var(--c-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: calc(var(--header-total) + var(--sp-4));
}

.shop-main {
    min-width: 0;
}

/* --------------------------------------------------------------------------
   2. Sidebar Filters
   -------------------------------------------------------------------------- */
.filter-panel {
    border-bottom: 1px solid var(--c-border);
}

.filter-panel:last-child {
    border-bottom: none;
}

.filter-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-4) var(--sp-5);
    cursor: pointer;
    user-select: none;
    transition: background var(--transition);
}

.filter-panel__header:hover {
    background: var(--c-bg);
}

.filter-panel__title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--c-primary);
}

.filter-panel__toggle svg {
    width: 16px;
    height: 16px;
    color: var(--c-text-muted);
    transition: transform var(--transition);
}

.filter-panel--open .filter-panel__toggle svg {
    transform: rotate(180deg);
}

.filter-panel__body {
    padding: 0 var(--sp-5) var(--sp-4);
}

/* Price range */
.price-range-filter {
    padding-top: var(--sp-2);
}

.price-range-filter__inputs {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin-bottom: var(--sp-3);
}

.price-range-filter__input {
    flex: 1;
    padding: var(--sp-2) var(--sp-3);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--c-text);
    background: var(--c-surface);
    outline: none;
    min-width: 0;
}

.price-range-filter__input:focus {
    border-color: var(--c-accent);
}

.price-range-filter__sep {
    color: var(--c-text-muted);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.price-range-filter__apply {
    width: 100%;
}

/* Checkbox filter list */
.filter-check-list {
    max-height: 220px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    padding-top: var(--sp-2);
}

.filter-check-list::-webkit-scrollbar {
    width: 4px;
}
.filter-check-list::-webkit-scrollbar-thumb {
    background: var(--c-border);
    border-radius: 2px;
}

.filter-check-item {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    cursor: pointer;
}

.filter-check-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--c-accent);
    cursor: pointer;
    flex-shrink: 0;
}

.filter-check-item__label {
    font-size: var(--font-size-sm);
    color: var(--c-text);
    line-height: 1.4;
}

.filter-check-item__count {
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--c-text-light);
}

/* Active filters */
.active-filters {
    padding: var(--sp-3) var(--sp-5);
    border-bottom: 1px solid var(--c-border);
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
}

.active-filter-tag {
    display: flex;
    align-items: center;
    gap: var(--sp-1);
    background: var(--c-accent);
    color: #fff;
    padding: var(--sp-1) var(--sp-3);
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.active-filter-tag button {
    color: rgba(255,255,255,.8);
    display: flex;
    transition: color var(--transition);
}

.active-filter-tag button:hover {
    color: #fff;
}

.active-filter-tag button svg {
    width: 12px;
    height: 12px;
}

/* --------------------------------------------------------------------------
   3. Shop Toolbar (sort, count, view toggle)
   -------------------------------------------------------------------------- */
.shop-toolbar {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    margin-bottom: var(--sp-6);
    padding-bottom: var(--sp-4);
    border-bottom: 1px solid var(--c-border);
    flex-wrap: wrap;
}

.shop-toolbar__info {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--c-text-muted);
}

.shop-toolbar__info strong {
    color: var(--c-text);
    font-weight: 600;
}

.shop-toolbar__actions {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.shop-sort select {
    padding: var(--sp-2) var(--sp-4);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--c-text);
    background: var(--c-surface);
    cursor: pointer;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--sp-3) center;
    padding-right: var(--sp-8);
    min-width: 200px;
}

.view-toggle {
    display: flex;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.view-toggle__btn {
    padding: var(--sp-2) var(--sp-3);
    color: var(--c-text-muted);
    transition: background var(--transition), color var(--transition);
}

.view-toggle__btn:hover,
.view-toggle__btn--active {
    background: var(--c-accent);
    color: #fff;
}

.view-toggle__btn svg {
    width: 18px;
    height: 18px;
    display: block;
}

/* --------------------------------------------------------------------------
   4. Product Grid
   -------------------------------------------------------------------------- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-4);
}

.products-grid--3col {
    grid-template-columns: repeat(3, 1fr);
}

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

/* --------------------------------------------------------------------------
   5. Product Card
   -------------------------------------------------------------------------- */
.product-card {
    background: var(--c-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

/* Product image */
.product-card__img-wrap {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--c-bg);
    flex-shrink: 0;
}

.product-card__img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--sp-3);
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card__img {
    transform: scale(1.05);
}

.product-card__img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-border);
}

.product-card__img-placeholder svg {
    width: 48px;
    height: 48px;
}

/* Badges */
.product-card__badges {
    position: absolute;
    top: var(--sp-3);
    left: var(--sp-3);
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
    z-index: 1;
}

.product-badge {
    display: inline-block;
    padding: 2px var(--sp-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.6;
}

.product-badge--sale {
    background: var(--c-sale);
    color: #fff;
}

.product-badge--new {
    background: var(--c-accent);
    color: #fff;
}

.product-badge--in-stock {
    background: var(--c-success);
    color: #fff;
}

.product-badge--out-of-stock {
    background: var(--c-text-muted);
    color: #fff;
}

/* Quick actions (wishlist, quick view) */
.product-card__actions {
    position: absolute;
    top: var(--sp-3);
    right: var(--sp-3);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    opacity: 0;
    transform: translateX(8px);
    transition: opacity var(--transition), transform var(--transition);
}

.product-card:hover .product-card__actions {
    opacity: 1;
    transform: translateX(0);
}

.product-action-btn {
    width: 34px;
    height: 34px;
    background: var(--c-surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    color: var(--c-text-muted);
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.product-action-btn:hover {
    background: var(--c-accent);
    color: #fff;
    transform: scale(1.1);
}

.product-action-btn svg {
    width: 16px;
    height: 16px;
}

/* Product body */
.product-card__body {
    padding: var(--sp-4);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card__brand {
    font-size: var(--font-size-xs);
    color: var(--c-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--sp-1);
}

.product-card__title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--c-text);
    line-height: 1.4;
    margin-bottom: var(--sp-3);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card__title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

.product-card__title a:hover {
    color: var(--c-accent);
}

.product-card__availability {
    font-size: var(--font-size-xs);
    color: var(--c-success);
    font-weight: 500;
    margin-bottom: var(--sp-2);
    display: flex;
    align-items: center;
    gap: var(--sp-1);
}

.product-card__availability--out {
    color: var(--c-text-muted);
}

.product-card__availability svg {
    width: 12px;
    height: 12px;
}

/* Price block */
.product-card__price-block {
    margin-bottom: var(--sp-3);
}

.product-card__price {
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--c-text);
    line-height: 1.2;
}

.product-card__price--sale {
    color: var(--c-sale);
}

.product-card__price-regular {
    font-size: var(--font-size-sm);
    color: var(--c-text-muted);
    text-decoration: line-through;
    font-weight: 400;
    margin-left: var(--sp-2);
}

.product-card__installment {
    font-size: var(--font-size-xs);
    color: var(--c-text-muted);
    margin-top: 2px;
}

/* Add to cart button */
.product-card__add-to-cart {
    width: 100%;
    margin-top: auto;
}

.product-card__add-to-cart .add_to_cart_button,
.product-card__add-to-cart a.button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    width: 100%;
    padding: var(--sp-3) var(--sp-4);
    background: var(--c-accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
    text-decoration: none;
}

.product-card__add-to-cart .add_to_cart_button:hover,
.product-card__add-to-cart a.button:hover {
    background: var(--c-accent-hover);
    color: #fff;
}

.product-card__add-to-cart .added_to_cart {
    display: none;
}

/* List view */
.products-grid--list .product-card {
    flex-direction: row;
}

.products-grid--list .product-card__img-wrap {
    width: 180px;
    height: 180px;
    flex-shrink: 0;
    aspect-ratio: auto;
}

.products-grid--list .product-card__body {
    flex-direction: row;
    align-items: center;
    gap: var(--sp-6);
}

.products-grid--list .product-card__info {
    flex: 1;
}

.products-grid--list .product-card__actions-col {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--sp-3);
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   6. Category Archive Header
   -------------------------------------------------------------------------- */
.archive-header {
    margin-bottom: var(--sp-6);
}

.archive-header__title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--c-primary);
    margin-bottom: var(--sp-2);
}

.archive-header__description {
    font-size: var(--font-size-sm);
    color: var(--c-text-muted);
    max-width: 600px;
    line-height: 1.6;
}

/* Category grid (sub-cats) */
.subcategory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--sp-4);
    margin-bottom: var(--sp-8);
}

.subcategory-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: var(--sp-5) var(--sp-4);
    text-align: center;
    text-decoration: none;
    color: var(--c-text);
    transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-3);
}

.subcategory-card:hover {
    border-color: var(--c-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    color: var(--c-accent);
}

.subcategory-card__img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.subcategory-card__name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1.3;
}

.subcategory-card__count {
    font-size: var(--font-size-xs);
    color: var(--c-text-muted);
}

/* --------------------------------------------------------------------------
   7. Responsive — Shop
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .shop-layout {
        grid-template-columns: 1fr;
    }

    .shop-sidebar {
        position: static;
        display: none;
    }

    .shop-sidebar--mobile-open {
        display: block;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--sp-3);
    }

    .product-card__body {
        padding: var(--sp-3);
    }

    .product-card__price {
        font-size: var(--font-size-md);
    }

    .subcategory-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}