/* ============================================================
   products.css — 商城产品列表页专属样式
   依赖：variables.css, common.css
   ============================================================ */

/* -------------------- 1. 整体布局 -------------------- */
.products-layout {
    padding: 32px 0 48px;
    background: var(--color-bg-gray);
}

/* -------------------- 2. 左侧筛选侧边栏 -------------------- */
.filter-sidebar {
    background: var(--color-bg-white);
    padding: 20px 18px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-xs);
    position: sticky;
    top: 16px;
}

.filter-sidebar__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-strong);
    margin-bottom: 20px;
    line-height: 1;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 8px;
}
.filter-sidebar__title::before {
    content: "";
    width: 3px;
    height: 14px;
    background: var(--color-accent);
    border-radius: 2px;
}

.filter-sidebar__section-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-strong);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 20px 0 10px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
    line-height: 1.2;
}

.filter-sidebar__section-title:first-of-type {
    border-top: none;
    padding-top: 0;
    margin-top: 0;
}

.filter-sidebar__category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.filter-sidebar__category-list li a {
    display: block;
    padding: 6px 10px;
    margin: 2px -10px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.filter-sidebar__category-list li a:hover {
    color: var(--color-primary);
    background: var(--color-primary-lightest);
}

.filter-sidebar__category-list li a.active {
    color: var(--color-primary);
    background: var(--color-primary-light);
    font-weight: var(--font-weight-semibold);
}

/* 表单控件颜色统一 */
.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0, 161, 163, 0.25);
}

.form-check-input:checked[type="checkbox"] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10l3 3l6-3'/%3e%3c/svg%3e");
}

.form-check-input:checked[type="radio"] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
}

/* 价格/最小订单输入行 */
.filter-input-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-input-row .form-control {
    flex: 1;
    min-width: 0;
    font-size: var(--font-size-xs);
}

.filter-input-row .btn-filter-ok {
    background: var(--color-bg-gray);
    border: 1px solid #ccc;
    border-radius: var(--radius-sm);
    padding: 4px 10px;
    font-size: var(--font-size-xs);
    color: var(--color-text);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-base);
}

.filter-input-row .btn-filter-ok:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* -------------------- 3. 推荐供应商卡片（Featured Supplier） -------------------- */
.supplier-card {
    position: relative;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    overflow: hidden;
}
.supplier-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
}
.supplier-card::after {
    content: "FEATURED SUPPLIER";
    position: absolute;
    top: 14px;
    right: 20px;
    font-size: 10px;
    letter-spacing: 0.15em;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    background: var(--color-accent-light);
    padding: 3px 10px;
    border-radius: var(--radius-sm);
}

.supplier-card__main-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius-md);
    background: #f8f9fa;
    display: block;
}

.supplier-card__logo {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
    transition: transform 0.2s, box-shadow 0.2s;
}

.supplier-card__logo:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-sm);
}

.supplier-card__name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-strong);
    letter-spacing: -0.01em;
}

.supplier-card__name:hover { color: var(--color-primary); }

.supplier-card__badge {
    width: 18px;
    height: 18px;
    margin-right: -4px;
}

/* 缩略图横向滚动区 */
.supplier-card__thumbs {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
    scrollbar-color: #e0e0e0 transparent;
}

.supplier-card__thumbs::-webkit-scrollbar { height: 4px; }
.supplier-card__thumbs::-webkit-scrollbar-thumb { background: #e0e0e0; border-radius: 2px; }

.supplier-card__thumb {
    flex: 0 0 18%;
    min-width: 80px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.supplier-card__thumb:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.supplier-card__thumb img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius-sm);
    display: block;
}

.supplier-card__thumb-name {
    font-size: var(--font-size-xs);
    color: var(--color-text);
    margin-top: 6px;
    margin-bottom: 2px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.supplier-card__thumb-price {
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-text);
}

.supplier-card__thumb:hover .supplier-card__thumb-name { color: var(--color-primary); }

/* -------------------- 4. 产品列表项 -------------------- */
.product-list-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 20px;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    margin-bottom: 14px;
    transition: var(--transition-base);
}

.product-list-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

/* 图片轮播容器 */
.product-list-item__gallery {
    position: relative;
    width: 200px;
    height: 200px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #f8f9fa;
}

.product-list-item__gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s ease;
}

/* 箭头按钮 */
.gallery-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 36px;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(3px);
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 0;
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: pointer;
    z-index: 2;
    transition: background 0.2s;
    padding: 0;
    line-height: 1;
}

.gallery-arrow:hover { background: rgba(255,255,255,0.95); }
.gallery-arrow--prev { left: 0; }
.gallery-arrow--next { right: 0; }

/* 图片计数器 */
.gallery-indicator {
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.45);
    color: #fff;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 20px;
    z-index: 2;
    white-space: nowrap;
}

/* 中间产品信息 */
.product-list-item__info {
    flex: 1;
    min-width: 0;
}

.product-list-item__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-strong);
    margin-bottom: 10px;
    line-height: 1.45;
    letter-spacing: -0.005em;
}

.product-list-item__title a:hover { color: var(--color-primary); }

.product-list-item__price {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.product-list-item__moq {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 10px;
}

.product-list-item__supplier {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin-bottom: 10px;
    font-weight: var(--font-weight-medium);
}

.product-list-item__supplier a:hover { color: var(--color-primary); }

.product-list-item__tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    background: var(--color-primary-light);
    color: var(--color-primary) !important;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.02em;
}
.verified-badge::before {
    content: "✓";
    width: 14px;
    height: 14px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: bold;
}

.tag-icon {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

/* 右侧操作按钮 */
.product-list-item__actions {
    flex-shrink: 0;
    width: 170px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-self: center;
}

.product-list-item__actions .btn-accent,
.product-list-item__actions .btn-outline-navy {
    white-space: nowrap;
    padding: 10px 14px;
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: var(--font-size-sm);
}

/* -------------------- 5. 网格卡片视图（alt mode） -------------------- */
.product-list--grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 0;
}

/* 网格模式下 product-list-item 改为竖排 */
.product-list--grid .product-list-item {
    flex-direction: column;
    gap: 0;
    padding: 0;
    margin-bottom: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.product-list--grid .product-list-item__gallery {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    border-radius: 0;
}

.product-list--grid .product-list-item__info {
    padding: 10px 12px 0;
}

.product-list--grid .product-list-item__title {
    font-size: 13px;
    margin-bottom: 6px;
}

.product-list--grid .product-list-item__price {
    font-size: 15px;
    margin-bottom: 4px;
}

.product-list--grid .product-list-item__moq {
    font-size: 12px;
    margin-bottom: 4px;
}

.product-list--grid .product-list-item__supplier {
    font-size: 12px;
    margin-bottom: 6px;
}

.product-list--grid .product-list-item__tags {
    font-size: 11px;
    margin-bottom: 6px;
}

.product-list--grid .product-list-item__actions {
    width: 100%;
    flex-direction: row;
    padding: 8px 12px 12px;
    gap: 8px;
}

.product-list--grid .product-list-item__actions .btn-teal,
.product-list--grid .product-list-item__actions .btn-outline-teal {
    flex: 1;
    font-size: 12px;
    padding: 5px 6px;
    min-height: 32px;
}

/* 视图切换按钮 */
.view-toggle {
    display: flex;
    gap: 4px;
    align-items: center;
}

.view-toggle__btn {
    background: none;
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-muted);
    font-size: 16px;
    transition: var(--transition-base);
}

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

/* -------------------- 5. 响应式 -------------------- */
@media (max-width: 991px) {
    .filter-sidebar { margin-bottom: 16px; }
}

@media (max-width: 767px) {
    .products-layout { padding: 16px 0; }

    .supplier-card { padding: 14px; }

    .product-list-item {
        flex-direction: column;
        gap: 14px;
    }

    .product-list-item__gallery {
        width: 100%;
        height: auto;
        aspect-ratio: 1 / 1;
    }

    .product-list-item__actions {
        width: 100%;
        flex-direction: row;
        justify-content: stretch;
    }

    .product-list-item__actions .btn-teal,
    .product-list-item__actions .btn-outline-teal {
        flex: 1;
    }

    .supplier-card__thumb { flex: 0 0 30%; }
}