/* 分类滚动容器 */
.category-scroller {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 0 ;
}

.category-track {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 0;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    /* 强制启用滚动 */
    overflow-x: auto;
    min-width: calc(100% + 1px);
    white-space: nowrap;
    user-select: none;
    flex-wrap: nowrap;
    /* 滚动条样式 */
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
}

.category-track::-webkit-scrollbar {
    height: 8px;
    background: transparent;
}

.category-track::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.category-card {
    flex: 0 0 115px;
    background: white;
    border-radius: 12px;
    padding: 1.5rem 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: grab;
    text-align: center;
    flex-shrink: 0;
}

.scroll-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.scroll-btn.left,
.scroll-btn.right {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #f5f5f5;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.scroll-btn:hover {
    background: #e0e0e0;
}

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

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.category-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.category-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.scroll-controls {
    display: flex;
    gap: 0.5rem;
}

/* 分类展示 */
.card {
    background: var(--card-bg-light);
    backdrop-filter: blur(var(--blur-amount));
    border-radius: var(--card-radius);
    padding: 20px;
    margin: 16px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.dark-mode .card {
    background: var(--card-bg-dark);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.card-subtitle {
    font-size: 16px;
    color: var(--text-secondary-light);
    margin-top: 4px;
}

.dark-mode .card-subtitle {
    color: var(--text-secondary-dark);
}

/* 更新：分类卡片样式 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
    padding: 16px;
    margin: 0 8px;
}

.category-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 140px;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.category-icon {
    font-size: 48px;
    color: #007bff;
    margin-bottom: 12px;
}

.category-name {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 8px;
}

.category-count {
    font-size: 14px;
    color: #666;
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: #999;
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 16px;
}

/* 更新：分类层级布局样式 */
.category-layout {
    display: flex;
    min-height: calc(100vh - var(--header-height) - var(--tabbar-height));
    flex-wrap: nowrap;
    flex-direction: row;
    background: var(--system-bg-light);
    transition: var(--transition);
}

.dark-mode .category-layout {
    background: var(--system-bg-dark);
}

/* 统一所有设备的布局设置 */
.category-sidebar {
    width: 240px;
    max-width: 240px;
    border-right: 1px solid #eee;
    padding: 16px 0;
    height: calc(100vh - var(--header-height) - var(--tabbar-height));
    overflow-y: auto;
    background: var(--card-bg-light);
    backdrop-filter: blur(var(--blur-amount));
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.dark-mode .category-sidebar {
    background: var(--card-bg-dark);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.category-content {
    flex: 1 1 auto;
    padding: 16px;
    min-width: 300px;
    background: var(--system-bg-light);
    transition: var(--transition);
}

.dark-mode .category-content {
    background: var(--system-bg-dark);
}

/* 侧边栏头部 */
.sidebar-header {
    padding: 0 16px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    margin-bottom: 16px;
}

.dark-mode .sidebar-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary-light);
    margin: 0;
}

.dark-mode .sidebar-title {
    color: var(--text-primary-dark);
}

/* 内容区域头部 */
.content-header {
    margin-bottom: 24px;
    padding: 16px;
    background: var(--card-bg-light);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(var(--blur-amount));
    transition: var(--transition);
}

.dark-mode .content-header {
    background: var(--card-bg-dark);
}

.content-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary-light);
    margin: 0 0 8px 0;
}

.dark-mode .content-title {
    color: var(--text-primary-dark);
}

.content-subtitle {
    font-size: 16px;
    color: var(--text-secondary-light);
    margin: 0;
}

.dark-mode .content-subtitle {
    color: var(--text-secondary-dark);
}

/* 移动端适配优化 */
@media (max-width: 767.98px) {
    /* 移除原有上下结构设置，继承全局左右布局 */
    .category-sidebar {
        width: 130px;
        max-width: 130px;
        min-width: 128px;
        padding: 12px 0;
    }

    .category-content {
        min-width: 240px;
        padding: 12px;
    }
    
    .sidebar-header {
        padding: 0 12px 12px;
    }
    
    .content-header {
        padding: 12px;
        margin-bottom: 16px;
    }
    
    .content-title {
        font-size: 20px;
    }
    
    .content-subtitle {
        font-size: 14px;
    }
}

/* 更新：分类列表样式 */
.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
    overflow-y: auto;
    height: calc(100% - 80px);
}

.category-item {
    padding: 16px;
    margin: 0 16px 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.dark-mode .category-item {
    background: rgba(44, 44, 46, 0.7);
}

.category-item:hover {
    background-color: rgba(10, 132, 255, 0.1);
    transform: translateX(4px);
}

.category-item.active {
    background: linear-gradient(90deg, var(--system-blue), #0066cc);
    color: #fff;
    box-shadow: 0 4px 12px rgba(10, 132, 255, 0.3);
}

.category-item .icon {
    font-size: 18px;
    margin-right: 12px;
    width: 24px;
    text-align: center;
}

.category-item.active .icon {
    color: #fff;
}

/* 更新：二级分类网格 */
.sub-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 20px;
    transition: var(--transition);
}

@media (max-width: 767.98px) {
    .sub-category-grid {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 16px;
    }
}

.sub-category-card {
    background: var(--card-bg-light);
    border-radius: 16px;
    padding: 20px 16px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 130px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(var(--blur-amount));
}

.dark-mode .sub-category-card {
    background: var(--card-bg-dark);
}

.sub-category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(10, 132, 255, 0.15);
}

.category-icon {
    font-size: 32px;
    margin-bottom: 12px;
    color: var(--system-blue);
    transition: all 0.3s ease;
}

.sub-category-card:hover .category-icon {
    transform: scale(1.1);
}

.category-name {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 0;
    color: var(--text-primary-light);
    transition: var(--transition);
    line-height: 1.4;
}

.dark-mode .category-name {
    color: var(--text-primary-dark);
}

/* 状态提示样式 */
.loading-state, .empty-state, .error-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.dark-mode .loading-state, 
.dark-mode .empty-state, 
.dark-mode .error-state {
    color: var(--text-secondary-dark);
}

.loading-state i, 
.empty-state i, 
.error-state i {
    margin-bottom: 16px;
}

.loading-state p, 
.empty-state p, 
.error-state p {
    margin: 0;
    font-size: 16px;
}

/* 新增：与首页风格一致的分类样式 */
.categories-section {
    margin: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.main-categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
}

.main-category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 0.5rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.main-category-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.main-category-card.active {
    background: linear-gradient(135deg, var(--primary-100), var(--secondary-100));
    border-color: var(--primary-300);
}

.dark-mode .main-category-card.active {
    background: linear-gradient(135deg, var(--primary-900), var(--secondary-900));
    border-color: var(--primary-700);
}

.main-category-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.dark-mode .main-category-icon {
    background: rgba(59, 130, 246, 0.2);
}

.main-category-name {
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
}

.sub-categories-section {
    margin: 1rem;
}

.sub-categories-header {
    margin-bottom: 1rem;
}

.sub-categories-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.sub-categories-subtitle {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.sub-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 1rem;
}

.sub-category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 0.5rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.sub-category-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.sub-category-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: rgba(14, 165, 233, 0.1);
    color: var(--secondary-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.dark-mode .sub-category-icon {
    background: rgba(14, 165, 233, 0.2);
}

.sub-category-name {
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
}

.status-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    text-align: center;
    grid-column: 1 / -1;
}

.status-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-tertiary);
}

.status-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.status-message {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-categories {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 0.75rem;
    }
    
    .sub-categories-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 0.75rem;
    }
    
    .main-category-icon, .sub-category-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
    
    .main-category-name, .sub-category-name {
        font-size: 0.75rem;
    }
    
    .categories-section, .sub-categories-section {
        margin: 0.75rem;
        padding: 0.75rem;
    }
}