/* Product List Styles */
.main-content {
    padding: 0;
}

/* Category Banner Section */
.category-banner {
    padding: 40px 0;
    background-color: #fff;
    border-bottom: 1px solid var(--border-color);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    transition: transform 0.3s ease;
    padding: 15px;
    border-radius: 8px;
}

.category-card:hover {
    transform: translateY(-5px);
}

.category-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 12px;
}

.category-card h3 {
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    margin: 0;
}

@media (max-width: 1024px) {
    .category-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .category-card h3 {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.content-wrapper {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    padding: 40px 0;
}

/* Sidebar Filter */
.sidebar {
    position: sticky;
    top: 140px;
    height: fit-content;
    z-index: 100;
}

.filter-section {
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    z-index: 100;
}

.filter-section h3 {
    font-size: 20px;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
}

.filter-group {
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.filter-group:last-of-type {
    border-bottom: none;
}

.filter-group h4 {
    font-size: 15px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.filter-options label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.filter-options label:hover {
    color: var(--text-color);
}

/* 二级分类样式 - 京东风格（悬浮窗式） */
.category-group {
    position: relative;
    margin-bottom: 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0;
}

.category-group:last-child {
    border-bottom: none;
}

.category-parent {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-color);
    padding: 8px 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
    border-radius: 4px;
}

.category-parent:hover {
    background-color: rgba(0, 0, 0, 0.02);
    color: var(--primary-color);
}

.category-parent.active {
    color: var(--primary-color);
    background-color: rgba(255, 99, 71, 0.05);
}

.category-name {
    flex: 1;
    -webkit-user-select: none;
    user-select: none;
}

.category-arrow {
    font-size: 16px;
    color: var(--text-light);
    transition: color 0.2s ease;
}

.category-parent:hover .category-arrow {
    color: var(--primary-color);
}

/* 悬浮窗容器 */
.category-popup {
    position: fixed;
    min-width: 450px;
    max-width: 650px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    padding: 14px;
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    pointer-events: none;
}

/* 显示悬浮窗 */
.category-popup.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    pointer-events: auto;
}

/* 悬浮窗标题 */
.category-popup-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

/* 悬浮窗内容 */
.category-popup-content {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    max-height: 400px;
    overflow-y: auto;
}

/* 二级分类标签 */
.category-tag {
    display: inline-block;
    padding: 5px 10px;
    font-size: 12px;
    color: var(--text-color);
    background-color: #f7f7f7;
    border: 1px solid transparent;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    -webkit-user-select: none;
    user-select: none;
}

.category-tag:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background-color: rgba(255, 99, 71, 0.05);
}

.category-tag.active {
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 500;
}

/* 移除复选框相关样式 */
.filter-options input[type="checkbox"] {
    display: none;
}

.price-range {
    display: flex;
    align-items: center;
    gap: 10px;
}

.price-range input {
    flex: 1;
    min-width: 0; /* 防止超出容器 */
    padding: 8px 10px;
    font-size: 14px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: #fff;
    box-sizing: border-box;
}

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

.price-range span {
    color: var(--text-light);
    flex-shrink: 0;
}

.filter-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 24px;
}

.filter-actions .btn {
    width: 100%;
    padding: 10px;
    font-size: 14px;
}

/* Product Section */
.product-section {
    min-height: 600px;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px 30px;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-color);
}

.product-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.product-count {
    font-size: 14px;
    color: var(--text-light);
}

.product-count #productCount {
    font-weight: 600;
    color: var(--text-color);
}

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

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

.sort-dropdown select {
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: #fff;
    cursor: pointer;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.product-card {
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.product-card:hover {
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
    transform: translateY(-8px);
    border-color: var(--primary-color);
}

.product-image {
    position: relative;
    width: 100%;
    padding-top: 100%;
    background-color: var(--bg-gray);
    overflow: hidden;
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-badges {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 10;
}

.product-badges .badge {
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.product-info {
    padding: 20px;
}

.product-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    min-height: 44px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
}

.stars {
    color: #ffd43b;
}

.review-count {
    color: var(--text-light);
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 15px;
}

.price-current {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.price-original {
    font-size: 16px;
    color: var(--text-light);
    text-decoration: line-through;
}

.price-discount {
    font-size: 13px;
    color: var(--success-color);
    font-weight: 600;
}

.product-actions {
    display: flex;
    gap: 10px;
}

.product-actions .btn {
    flex: 1;
    padding: 10px;
    font-size: 14px;
}

.btn-quick-view {
    background-color: var(--bg-gray);
    color: var(--text-color);
}

.btn-quick-view:hover {
    background-color: var(--secondary-color);
    color: #fff;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 50px;
}

.page-btn {
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: #fff;
    color: var(--text-color);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

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

.page-numbers {
    display: flex;
    gap: 5px;
}

.page-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: #fff;
    color: var(--text-color);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-number:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-number.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

/* 空状态样式 */
.empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    min-height: 500px;
    text-align: center;
}

.empty-icon {
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out;
}

.empty-icon svg {
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.08));
}

.empty-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 12px;
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.empty-desc {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 400px;
    line-height: 1.6;
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.empty-btn {
    padding: 12px 32px;
    font-size: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(255, 99, 71, 0.2);
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
    transition: all 0.3s ease;
}

.empty-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 99, 71, 0.3);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .content-wrapper {
        grid-template-columns: 240px 1fr;
        gap: 30px;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 15px;
    }
    
    .product-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .product-controls {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .sort-dropdown {
        width: 100%;
    }
    
    .sort-dropdown select {
        flex: 1;
    }
}