/* ============ 移动端适配优化 ============ */

/* 平板和小屏笔记本 */
@media (max-width: 1024px) {
  .sidebar { width: 220px; }
  .content { padding: 16px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 手机端 */
@media (max-width: 768px) {
  /* 整体布局 */
  .app { flex-direction: column; }
  
  /* 侧边栏改成顶部横向滚动导航 */
  .sidebar {
    width: 100%;
    height: auto;
    position: sticky;
    top: 0;
    z-index: 100;
    flex-direction: column;
    padding: 0;
    box-shadow: var(--shadow);
  }
  
  .brand {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .brand span { font-size: 15px; }
  .brand i { margin-right: 6px; }
  
  .nav {
    flex-direction: row;
    padding: 4px 8px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  
  .nav::-webkit-scrollbar { display: none; }
  
  .nav-group-label { display: none; }
  
  .nav-item {
    padding: 8px 12px;
    white-space: nowrap;
    flex-shrink: 0;
    border-radius: 8px;
    font-size: 13px;
  }
  
  .nav-item i { margin-right: 4px; }
  .nav-item span { font-size: 13px; }
  
  .sidebar-footer {
    border-top: 1px solid var(--border);
    padding: 6px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  /* 主内容区 */
  .content { padding: 12px; }
  
  .page-head {
    padding: 8px 0 12px;
  }
  .page-head-actions { width: 100%; }
  .page-head-actions .button { flex: 1; margin-left: 0; padding: 0 6px; font-size: 13px; }
  
  .page-head h2 { font-size: 18px; }
  .page-head p { font-size: 13px; }
  
  /* 统计卡片 */
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  
  .stat-card { padding: 12px; }
  .stat-card .num { font-size: 24px; }
  .stat-card .label { font-size: 12px; }
  
  /* 卡片列表 */
  .card-list { grid-template-columns: 1fr; gap: 10px; }
  .card { padding: 14px; }
  .card-title { font-size: 14px; }
  .card-meta { font-size: 12px; }
  
  /* 按钮组 */
  .card-actions {
    flex-wrap: wrap;
    gap: 6px;
  }
  
  .card-actions .button {
    padding: 6px 10px;
    font-size: 12px;
  }

  /* 钱包套餐按钮：加大触摸区域，避免手机端点不中（不改动卡片 min-width，防止卡片收缩） */
  .store-card .button {
    min-height: 42px;
    padding: 0 12px;
    font-size: 13px;
    justify-content: center;
  }
  #nodePlanPanel .store-card .button { width: 100%; }
  
  /* 表单 */
  .form-grid { grid-template-columns: 1fr; gap: 12px; }
  .field { margin-bottom: 10px; }
  .field label { font-size: 13px; }
  .field input, .field select, .field textarea {
    padding: 10px 12px;
    font-size: 14px;
  }
  
  /* 弹窗 */
  .modal-mask { padding: 8px; align-items: flex-end; }
  .modal {
    width: 100%;
    max-width: 100%;
    max-height: 90vh;
    border-radius: 16px 16px 0 0;
    overflow-y: auto;
  }
  
  .modal-actions {
    flex-direction: column-reverse;
    gap: 8px;
    padding: 12px;
  }
  
  .modal-actions .button {
    width: 100%;
    padding: 12px;
  }
  
  /* 面板 */
  .panel { padding: 12px; margin-bottom: 10px; }
  .panel-body { padding: 12px; }
  .panel-title { font-size: 14px; }
  
  /* 表格 */
  .table-wrap { overflow-x: auto; }
  table { font-size: 13px; }
  th, td { padding: 8px; white-space: nowrap; }
  
  /* 标签页 */
  .tabs, .func-tabs, .group-tabs {
    flex-wrap: wrap;
    gap: 6px;
  }
  
  .tab, .func-tab, .group-tab {
    padding: 6px 10px;
    font-size: 12px;
  }
  
  /* 按钮 */
  .button { padding: 10px 16px; font-size: 14px; }
  .button.small { padding: 6px 10px; font-size: 12px; }
  
  /* 徽章 */
  .badge { font-size: 11px; padding: 2px 6px; }
  
  /* 全局搜索 */
  #globalSearchInput {
    font-size: 14px !important;
    padding: 8px 12px !important;
  }
  
  /* 快速回复 */
  .quick-replies {
    flex-wrap: wrap;
    gap: 6px;
  }
  
  /* 日志列表 */
  .log-list { height: 60vh; font-size: 12px; }
}

/* 小手机 */
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  
  .nav-item { padding: 6px 10px; }
  .nav-item span { display: none; }
  .nav-item i { margin: 0; font-size: 16px; }
  
  .page-head h2 { font-size: 16px; }
  
  .card { padding: 12px; }
  .card-title { font-size: 13px; }
  .card-meta { font-size: 11px; }
  
  .modal { max-height: 95vh; }
  .modal-mask { padding: 0; }
  
  .panel { padding: 10px; }
  
  .button { padding: 10px 14px; font-size: 13px; }
  .button.small { padding: 5px 8px; font-size: 11px; }
}

/* 横屏手机 */
@media (max-width: 768px) and (orientation: landscape) {
  .sidebar { position: static; }
  .nav { overflow-x: auto; }
}

/* 安全区适配（iPhone刘海屏） */
@supports (padding: env(safe-area-inset-bottom)) {
  @media (max-width: 768px) {
    .content { padding-bottom: calc(12px + env(safe-area-inset-bottom)); }
    .sidebar-footer { padding-bottom: calc(6px + env(safe-area-inset-bottom)); }
  }
}