/* 
 * 响应式设计样式
 * 整合了原来mobile.css和各个文件中的响应式设计规则
 * 包含所有屏幕尺寸的适配
 */

/* 超大屏幕 (1400px 以上) */
@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
  
  .content-area {
    padding-left: 8%;
    padding-right: 8%;
  }
  
  .subcategory-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 35px;
  }
  
  .content-grid {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
  }
  
  .cyber-sidebar {
    width: 280px;
  }
  
  .main-content {
    margin-left: 280px;
    width: calc(100% - 280px);
  }
}

/* 大屏幕 (1200px - 1399px) */
@media (max-width: 1399px) and (min-width: 1200px) {
  .subcategory-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }
  
  .content-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
  }
}

/* 平板横屏 (1024px - 1199px) */
@media (max-width: 1199px) and (min-width: 1024px) {
  .content-area {
    padding-left: 4%;
    padding-right: 4%;
  }
  
  .category-list {
    max-width: 800px;
  }
  
  .subcategory-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
  }
  
  .cyber-sidebar {
    width: 240px;
  }
  
  .main-content {
    margin-left: 240px;
    width: calc(100% - 240px);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .charts-container {
    grid-template-columns: 1fr;
  }
}

/* 平板 (769px - 1023px) */
@media (max-width: 1023px) and (min-width: 769px) {
  .content-area {
    padding-left: 20px;
    padding-right: 20px;
    margin-top: 120px;
  }
  
  .category-list {
    max-width: 768px;
  }
  
  .subcategory-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
  }
  
  .subcategory-card {
    min-height: 200px;
    padding: 25px;
  }
  
  .subcategory-card i {
    font-size: 3em;
    margin-bottom: 15px;
  }
  
  .subcategory-card h3 {
    font-size: 1.4em;
  }
  
  .cyber-sidebar {
    width: 220px;
    transform: translateX(-100%);
    transition: transform var(--transition-normal) ease;
  }
  
  .cyber-sidebar.active {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
    width: 100%;
    padding: 20px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .charts-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .stat-card {
    padding: 20px;
  }
  
  .stat-value {
    font-size: 28px;
  }
  
  .form-row {
    flex-direction: column;
    gap: 15px;
  }
  
  .cyber-modal-content {
    width: 95%;
    padding: 25px;
  }
  
  .cyber-tabs {
    flex-direction: column;
  }
  
  .cyber-tab {
    text-align: left;
  }
}

/* 移动端 (768px 及以下) */
@media (max-width: 768px) {
  /* 顶部标题栏调整 */
  .cyber-header {
    padding: 0 15px;
    height: 60px;
  }
  
  .site-title {
    font-size: 18px;
  }
  
  .user-info {
    padding: 6px 15px;
  }
  
  .user-name {
    font-size: 12px;
  }
  
  /* 移动端菜单切换按钮 */
  .menu-toggle {
    display: block;
  }
  
  /* 侧边栏移动端适配 */
  .cyber-sidebar {
    width: 100%;
    transform: translateX(-100%);
    transition: transform var(--transition-normal) ease;
    top: 60px;
    height: calc(100vh - 60px);
  }
  
  .cyber-sidebar.active {
    transform: translateX(0);
  }
  
  /* 主内容区域 */
  .app-container {
    margin-top: 60px;
    min-height: calc(100vh - 60px);
  }
  
  .main-content {
    margin-left: 0;
    width: 100%;
    padding: 20px 15px;
  }
  
  /* 内容区域 */
  .content-area {
    padding-left: 20px;
    padding-right: 20px;
    margin-top: 120px;
  }
  
  /* 分类侧边栏 */
  .category-sidebar {
    top: 35px;
    padding: 8px 0;
  }
  
  .category-list {
    padding: 8px 3%;
    border-radius: 25px;
    flex-wrap: wrap;
    gap: 5px;
  }
  
  .category-item {
    padding: 6px 12px;
    font-size: 13px;
    margin: 2px;
    border-radius: 20px;
  }
  
  /* 子分类网格 */
  .subcategory-grid {
    grid-template-columns: 1fr !important;
    gap: 15px;
    padding: 15px 5px;
  }
  
  .subcategory-card {
    min-height: 220px;
    padding: 20px;
  }
  
  .subcategory-card i {
    font-size: 2.8em;
    margin-bottom: 15px;
  }
  
  .subcategory-card h3 {
    font-size: 1.4em;
    margin: 0 0 10px 0;
  }
  
  /* 统计卡片 */
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .status-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-card {
    padding: 20px;
  }
  
  .stat-value {
    font-size: 28px;
  }
  
  /* 图表容器 */
  .chart-container {
    padding: 20px;
  }
  
  .chart-canvas {
    height: 250px;
  }
  
  /* 表格 */
  .cyber-table {
    font-size: 12px;
  }
  
  .cyber-table th,
  .cyber-table td {
    padding: 8px 10px;
  }
  
  /* 表单 */
  .cyber-form-container {
    padding: 20px;
    margin: 20px 10px;
  }
  
  .form-row {
    flex-direction: column;
    gap: 15px;
  }
  
  .form-group {
    margin-bottom: 15px;
  }
  
  /* 模态框 */
  .cyber-modal-content {
    width: 95%;
    max-height: 85vh;
    padding: 20px;
    margin: 10px;
  }
  
  .cyber-modal-header {
    margin-bottom: 15px;
  }
  
  .cyber-modal-title {
    font-size: 1.2em;
  }
  
  /* 按钮 */
  .btn {
    width: 100%;
    padding: 12px 20px;
  }
  
  .btn-sm {
    padding: 8px 16px;
    font-size: 11px;
  }
  
  /* 欢迎页面 */
  .welcome-container {
    padding: 0 20px;
  }
  
  .welcome-greeting h2 {
    font-size: 2rem;
  }
  
  .welcome-title h3 {
    font-size: 1.5rem;
  }
  
  .welcome-icon {
    width: 100px;
    height: 100px;
  }
  
  .welcome-icon i {
    font-size: 3rem;
  }
  
  .welcome-features {
    gap: 15px;
    margin-top: 30px;
  }
  
  .feature-item {
    min-width: 80px;
    padding: 10px;
  }
}

/* 小屏移动端 (480px 及以下) */
@media (max-width: 480px) {
  /* 顶部标题栏 */
  .site-title {
    font-size: 16px;
  }
  
  /* 侧边栏 */
  .cyber-sidebar {
    top: 60px;
    height: calc(100vh - 60px);
  }
  
  /* 主内容 */
  .main-content {
    padding: 15px 10px;
  }
  
  .content-area {
    padding-left: 15px;
    padding-right: 15px;
  }
  
  /* 分类列表 */
  .category-item {
    padding: 5px 10px;
    font-size: 12px;
    margin: 1px;
  }
  
  /* 子分类网格 */
  .subcategory-grid {
    grid-template-columns: 1fr !important;
    gap: 15px;
    padding: 15px 5px;
  }
  
  .subcategory-card {
    min-height: 220px;
    padding: 20px;
  }
  
  .subcategory-card i {
    font-size: 2.5em;
    margin-bottom: 15px;
  }
  
  .subcategory-card h3 {
    font-size: 1.3em;
    margin: 0 0 10px 0;
  }
  
  /* 欢迎页面 */
  .welcome-greeting h2 {
    font-size: 1.8rem;
  }
  
  .welcome-title h3 {
    font-size: 1.3rem;
  }
  
  .welcome-description p {
    font-size: 1rem;
  }
  
  .welcome-features {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
  
  .feature-item {
    width: 100%;
    max-width: 200px;
    flex-direction: row;
    justify-content: center;
  }
  
  /* 表单 */
  .cyber-form-container {
    padding: 15px;
    margin: 15px 5px;
  }
  
  .cyber-input,
  .cyber-select {
    padding: 10px 12px;
  }
  
  /* 表格 */
  .cyber-table {
    font-size: 11px;
  }
  
  .cyber-table th,
  .cyber-table td {
    padding: 6px 8px;
  }
  
  /* 模态框 */
  .cyber-modal-content {
    padding: 15px;
  }
  
  .cyber-modal-title {
    font-size: 1.1em;
  }
  
  /* 统计卡片 */
  .stat-card {
    padding: 15px;
  }
  
  .stat-icon {
    width: 50px;
    height: 50px;
  }
  
  .stat-icon i {
    font-size: 20px;
  }
  
  .stat-value {
    font-size: 24px;
  }
}

/* 极小屏幕 (320px 及以下) */
@media (max-width: 320px) {
  .site-title {
    font-size: 14px;
  }
  
  .user-name {
    display: none;
  }
  
  .content-area {
    padding-left: 10px;
    padding-right: 10px;
  }
  
  .cyber-form-container {
    padding: 10px;
    margin: 10px 2px;
  }
  
  .subcategory-card {
    padding: 15px;
  }
  
  .welcome-icon {
    width: 80px;
    height: 80px;
  }
  
  .welcome-icon i {
    font-size: 2.5rem;
  }
}

/* 仪表板响应式样式 - 来自老版本 */
@media (max-width: 1024px) {
    .charts-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .status-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .stat-value {
        font-size: 28px;
    }
    
    .chart-container {
        padding: 20px;
    }
    
    .chart-canvas {
        height: 250px;
    }
}