/* ==================== 页面标题 ==================== */
.page-header {
    margin-top: 70px;
    padding: 60px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

/* ==================== 商品页面布局 ==================== */
.products-page {
    padding: 40px 0 80px;
    background: var(--bg-secondary);
}

.products-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
}

/* ==================== 筛选侧边栏 ==================== */
.filter-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.filter-card {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.filter-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.filter-card h3 i {
    color: var(--primary-color);
}

/* 搜索框 */
.search-box {
    display: flex;
    gap: 8px;
}

.search-box input {
    flex: 1;
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-box button {
    padding: 10px 15px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-box button:hover {
    transform: scale(1.05);
}

/* 分类筛选 */
.category-filter {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.category-filter li {
    padding: 12px 15px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    color: var(--text-secondary);
}

.category-filter li:hover {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
}

.category-filter li.active {
    background: var(--gradient-primary);
    color: white;
}

.category-filter li i {
    width: 20px;
    text-align: center;
}

.category-filter li .count {
    margin-left: auto;
    padding: 2px 8px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    font-size: 12px;
}

.category-filter li.active .count {
    background: rgba(255, 255, 255, 0.3);
}

/* 价格筛选 */
.price-filter {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.price-filter input {
    flex: 1;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
}

.price-filter input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.price-filter span {
    color: var(--text-secondary);
}

.btn-block {
    width: 100%;
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    padding: 6px 14px;
    background: var(--bg-secondary);
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-secondary);
}

.tag:hover {
    background: rgba(102, 126, 234, 0.2);
    color: var(--primary-color);
}

.tag.active {
    background: var(--gradient-primary);
    color: white;
}

/* ==================== 商品主区域 ==================== */
.products-main {
    min-height: 600px;
}

/* 工具栏 */
.products-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--bg-primary);
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sort-options label {
    font-size: 14px;
    color: var(--text-secondary);
}

.sort-options select {
    padding: 8px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    background: white;
    transition: all 0.3s ease;
}

.sort-options select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.display-options {
    display: flex;
    gap: 8px;
}

.view-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.view-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.view-btn.active {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    color: white;
}

/* 商品容器 */
.products-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

/* 列表视图 */
.products-container.list-view {
    grid-template-columns: 1fr;
}

.products-container.list-view .product-card {
    display: grid;
    grid-template-columns: 200px 1fr;
}

.products-container.list-view .product-image {
    height: 150px;
}

.products-container.list-view .product-info {
    padding: 20px;
}

.products-container.list-view .product-desc {
    margin-bottom: 20px;
}

/* ==================== 分页 ==================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

.page-btn {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-btn.active {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    color: white;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-dots {
    color: var(--text-secondary);
    padding: 0 5px;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .products-layout {
        grid-template-columns: 250px 1fr;
    }
}

@media (max-width: 768px) {
    .products-layout {
        grid-template-columns: 1fr;
    }

    .filter-sidebar {
        display: none;
    }

    .filter-sidebar.active {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.95);
        padding: 20px;
        z-index: 999;
        overflow-y: auto;
    }

    .products-toolbar {
        flex-direction: column;
        gap: 15px;
    }

    .products-container {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }

    .products-container.list-view .product-card {
        grid-template-columns: 1fr;
    }

    .pagination {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 40px 0;
    }

    .page-header h1 {
        font-size: 32px;
    }

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