/**
 * 主导航产品分类悬停筛选菜单样式
 * Category Filter Dropdown Menu Styles
 */

/* 主容器样式 */
.category-filter-dropdown {
    position: relative;
}

.category-filter-content {
    min-width: 900px;
    max-width: 1200px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border: 1px solid #e5e5e5;
    margin-top: 10px;
    padding: 0;
    background: #fff;
}

.mega-menu-container {
    display: flex;
    min-height: 400px;
    max-height: 600px;
}

/* 左侧分类列表 */
.mega-menu-left {
    width: 280px;
    background: #f8f9fa;
    border-right: 1px solid #e5e5e5;
    padding: 20px 0;
    overflow-y: auto;
}

.mega-menu-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    padding: 0 20px 15px;
    margin: 0;
    border-bottom: 2px solid #e5e5e5;
}

.mega-menu-category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mega-category-item {
    position: relative;
    transition: all 0.3s ease;
}

.mega-category-item a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #555;
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.mega-category-item:hover a,
.mega-category-item.active a {
    background: #fff;
    color: #e74c3c;
    border-left-color: #e74c3c;
}

.mega-category-item .category-icon {
    width: 24px;
    height: 24px;
    margin-right: 10px;
    object-fit: contain;
}

.mega-category-item span {
    flex: 1;
    font-size: 14px;
}

.mega-category-item .am-icon-angle-right {
    margin-left: auto;
    color: #999;
    transition: transform 0.3s ease;
}

.mega-category-item:hover .am-icon-angle-right,
.mega-category-item.active .am-icon-angle-right {
    transform: translateX(3px);
    color: #e74c3c;
}

/* 右侧内容区域 */
.mega-menu-right {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: #fff;
}

.mega-menu-subcategory-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.mega-menu-subcategory-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 筛选区域 */
.filter-section {
    margin-bottom: 25px;
}

.filter-section:last-child {
    margin-bottom: 0;
}

.filter-title {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin: 0 0 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e5e5e5;
}

/* 子分类网格 */
.subcategory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}

.subcategory-column {
    position: relative;
}

.subcategory-item {
    position: relative;
}

.subcategory-item a {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    text-decoration: none;
    color: #555;
    border-radius: 6px;
    border: 1px solid #e5e5e5;
    background: #fff;
    transition: all 0.3s ease;
    text-align: center;
}

.subcategory-item a:hover {
    border-color: #e74c3c;
    box-shadow: 0 2px 8px rgba(231, 76, 60, 0.15);
    transform: translateY(-2px);
}

.subcategory-item img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    margin-bottom: 8px;
}

.subcategory-name {
    font-size: 13px;
    line-height: 1.4;
    word-break: break-word;
}

/* 查看全部样式 */
.view-all-item a {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff !important;
    border: none;
    font-weight: 600;
}

.view-all-item a:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* 动态筛选区域 */
.dynamic-filters-section {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 6px;
}

.dynamic-filters-container {
    min-height: 100px;
}

.filter-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    color: #999;
}

.filter-loading i {
    font-size: 32px;
    margin-bottom: 10px;
}

.filter-loading span {
    font-size: 14px;
}

/* 筛选项样式 */
.filter-group {
    margin-bottom: 20px;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-group-title {
    font-size: 14px;
    font-weight: 600;
    color: #555;
    margin: 0 0 10px;
    padding-left: 10px;
    border-left: 3px solid #e74c3c;
}

.filter-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-item {
    padding: 6px 14px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 13px;
    color: #555;
    text-decoration: none;
    transition: all 0.25s ease;
    cursor: pointer;
}

.filter-item:hover {
    background: #e74c3c;
    border-color: #e74c3c;
    color: #fff;
    transform: translateY(-1px);
}

.filter-item.active {
    background: #e74c3c;
    border-color: #e74c3c;
    color: #fff;
}

/* 空状态 */
.subcategory-empty {
    text-align: center;
    padding: 40px 20px;
    color: #999;
}

.subcategory-empty p {
    font-size: 14px;
    margin: 0;
}

/* 响应式设计 - 移动端隐藏 */
@media (max-width: 768px) {
    .category-filter-dropdown {
        display: none !important;
    }
}

/* 中等屏幕优化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .category-filter-content {
        min-width: 700px;
        max-width: 900px;
    }
    
    .mega-menu-left {
        width: 220px;
    }
    
    .subcategory-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
    }
    
    .subcategory-item img {
        width: 40px;
        height: 40px;
    }
}

/* 大屏幕优化 */
@media (min-width: 1400px) {
    .category-filter-content {
        max-width: 1400px;
    }
    
    .subcategory-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

/* 滚动条美化 */
.mega-menu-left::-webkit-scrollbar,
.mega-menu-right::-webkit-scrollbar {
    width: 6px;
}

.mega-menu-left::-webkit-scrollbar-thumb,
.mega-menu-right::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.mega-menu-left::-webkit-scrollbar-thumb:hover,
.mega-menu-right::-webkit-scrollbar-thumb:hover {
    background: #999;
}

.mega-menu-left::-webkit-scrollbar-track,
.mega-menu-right::-webkit-scrollbar-track {
    background: #f1f1f1;
}

/* 加载动画 */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 打印样式 */
@media print {
    .category-filter-dropdown,
    .category-filter-content {
        display: none !important;
    }
}