/* 移动端样式拆分 */

@media (max-width: 900px) {
  /* 手机端 - 生成与配置重新编排 */
  body.is-mobile .mailbox-layout{ grid-template-columns: 1fr; gap: 12px; }
  body.is-mobile .mailbox-display-section{ order:1; }
  body.is-mobile .mailbox-config-section{ order:2; }
  body.is-mobile .mailbox-config-section .config-form{ padding: 8px 10px; background: rgba(255,255,255,.6); border-radius: 10px; }
  body.is-mobile .generate-action{ position: sticky; bottom: 8px; z-index: 10; }
  /* 卡片与控件紧凑化 */
  body.is-mobile .card{ padding: 12px; }
  body.is-mobile .mailbox-config-section .section-header{ margin-bottom: 8px; }
  body.is-mobile .mailbox-config-section .config-item{ margin: 8px 0; }
  body.is-mobile .range-container{ gap: 8px; }
  body.is-mobile .mailbox-actions{ gap: 6px }
  body.is-mobile .mailbox-actions .btn{ height: 44px; }
  body.is-mobile .email-display{ padding: 12px; min-height: 64px; }
  /* 主功能切换条（历史/生成） */
  body.is-mobile #mobile-main-switch{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 6px 0 10px 0;
    padding: 6px;
    background: var(--card-glass);
    border: 1px solid var(--border-glass);
    border-radius: 999px;
    box-shadow: var(--shadow-glass);
    position: sticky;
    top: 6px;
    z-index: 8;
  }
  body.is-mobile #mobile-main-switch .seg-btn{ min-width: 110px; padding: 8px 16px; }
  .container{
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 12px 12px 20px;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
  }
  .sidebar{ position: relative; top: auto; }
  /* 历史邮箱内联展示样式 */
  .sidebar.history-inline{
    width: 100%;
    min-width: 0;
    padding: 12px 12px 14px;
    border-radius: 14px;
    box-shadow: var(--shadow-glass);
  }
  .sidebar.history-inline .sidebar-header{ margin-bottom: 10px; }
  .sidebar.history-inline #mb-list .mailbox-item{ border-radius: 12px; }
  .sidebar.history-inline #mb-more-wrap{ margin-top: 12px; }
  /* 移动端彻底隐藏历史邮箱折叠按钮 */
  #mb-toggle{ display:none }
  /* 列表加载提示不挤压布局：改为绝对定位到标题右侧 */
  #list-loading{ position: relative; }
  @media (max-width: 900px){
    #list-card .listcard-header{ position: relative; }
    #list-card #list-loading{ position: absolute; right: 52px; top: 50%; transform: translateY(-50%); margin: 0; pointer-events: none; z-index: 1; }
    #list-card #list-loading span{ display: none; }
    #m-refresh-icon{ margin-left: 6px; }
  }
  .topbar{ padding: 12px 20px; }
  .brand-text{ display:none; }
  .nav-actions .btn .btn-text{ display:none; }
  .nav-actions .btn{ padding-left: 10px; padding-right: 10px; }
  
  /* 移动端角色徽章样式调整 */
  #role-badge{
    font-size: 0.8rem;
    padding: 4px 8px;
    border-radius: 8px;
    flex-shrink: 0;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .card{ padding: 16px; }
  .mailbox-layout{ grid-template-columns: 1fr; gap: 24px; }
  .main{ grid-column: 1; }
  .mailbox-config-section.collapsed .config-form{ display:none; }
  .mailbox-config-section .section-header{ cursor: pointer; }
  .sidebar.list-collapsed #mb-list,
  .sidebar.list-collapsed #mb-loading,
  .sidebar.list-collapsed #mb-more-wrap{ display:none; }
  .sidebar .sidebar-header{ cursor: pointer; }
  .mailbox-display-section,
  .mailbox-config-section{ min-height: auto; }
  .mailbox-actions{ display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; align-items: stretch; }
  .mailbox-actions .btn{ width: 100%; height: 48px; }
  .range-container{ flex-direction: column; align-items: stretch; gap: 12px; }
  .range-display{ justify-content: center; min-width: auto; }
  .control-row{ flex-direction: column; align-items: stretch; gap: 12px; }
  .btn-group{ flex-direction: column; }
  .email-item .email-actions{ opacity: 1; }
  
  /* 移动端邮件列表布局全面重构 */
  .email-meta{
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 10px;
    margin-bottom: 8px;
  }
  
  .email-meta .meta-from{
    display: flex;
    align-items: center;
    gap: 5px;
    min-width: 0;
    max-width: calc(100vw - 140px);
  }
  
  .email-meta .meta-label{
    font-size: 11px;
    color: var(--text-light);
    background: var(--card-glass);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 2px 6px;
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .email-meta .meta-from-text{
    color: var(--text);
    font-weight: 600;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
  }

  .email-meta .meta-to{
    display: flex;
    align-items: center;
    gap: 5px;
    min-width: 0;
    max-width: calc(100vw - 140px);
  }

  .email-meta .meta-to-text{
    color: var(--primary);
    font-weight: 500;
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
  }
  
  .email-time{
    display: flex;
    align-items: center;
    font-size: 11px;
    color: var(--muted2);
    margin-left: auto;
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .email-time .time-icon{
    display: none;
  }
  
  /* 移动端邮件项整体布局优化 */
  .email-item{
    display: block;
    padding: 10px 12px;
  }
  
  .email-content{
    margin-top: 0;
  }
  
  .email-main{
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  
  .email-line{
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 0;
    min-height: 20px;
  }
  
  .email-line:last-child{
    margin-bottom: 0;
  }
  
  /* 统一的标签样式 */
  .label-chip{
    font-size: 10px;
    color: var(--text-light);
    background: var(--card-glass);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 1px 6px;
    white-space: nowrap;
    flex-shrink: 0;
    width: 32px;
    text-align: center;
    line-height: 1.4;
  }
  
  /* 统一的内容文本样式 */
  .value-text{
    font-size: 13px;
    line-height: 1.4;
    min-width: 0;
    flex: 1;
  }
  
  .subject{
    font-weight: 600;
    color: var(--text);
  }
  
  .email-preview{
    color: var(--text-light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .modal{ padding: 12px; }
  .modal-header{ padding: 16px 20px; }
  .modal-body{ padding: 20px; }
  .email-meta-card{ padding: 16px; gap: 12px; }
  .meta-item{ flex-direction: column; align-items: flex-start; gap: 6px; padding: 6px 0; }
  .meta-label{ font-size: 12px; min-width: auto; }
  .meta-value{ width: 100%; padding: 8px 12px; }
  .email-actions-bar{ flex-direction: column; gap: 8px; }
  .email-actions-bar .btn{ width: 100%; min-width: auto; justify-content: center; }
  .email-content-text{ padding: 16px; }
  .code-highlight{ font-size: 18px; padding: 12px 16px; }
  .mailbox-item.pinned::before{ top: -6px; left: 8px; font-size: 10px; padding: 1px 4px; }
  .mailbox-actions{ gap: 4px; }
  .mailbox-item .mailbox-actions .pin,
  .mailbox-item .mailbox-actions .del{ height: 24px; width: 24px; font-size: 11px; }
  /* 仅隐藏主侧栏的开关，保留局部开关 */
  #sidebar-toggle{ display:none; }
  #config-toggle{ display:inline-flex; width:28px; height:28px; }
}

/* 二级页操作条（移动端） */
@media (max-width: 900px){
  /* 移动端二级页操作条：只保留发送/清空（刷新隐藏成右上角图标） */
  .mail-actions-mobile{ display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:8px; margin: 10px 0 6px; position: sticky; top: 6px; z-index: 6; }
  .mail-actions-mobile .btn{ width:100%; }
}

/* 横屏优化 */
@media (max-width: 900px) and (max-height: 480px) and (orientation: landscape) {
  .topbar{ padding: 8px 12px; }
  .container{ grid-template-columns: 60px 1fr; gap: 12px; padding: 8px 10px 12px; }
  .sidebar{ display: block; width: 60px; min-width: 60px; }
  .container.sidebar-collapsed .sidebar{ width: 60px; min-width: 60px; }
  .sidebar.collapsed{ width: 60px; }
  .main{ grid-column: 2; }
  .card{ padding: 12px; }
  .mailbox-layout{ grid-template-columns: 1fr 1fr; gap: 12px; }
  .mailbox-actions .btn{ height: 44px; font-size: 13px; }
  .email-display{ padding: 12px; font-size: 14px; }
  .list-viewport{ max-height: calc(100vh - 260px); overflow: auto; }
}



/* ===== 暗色模式变量覆盖（由 app-mobile_black.css 合并） ===== */
/* =============================================
   移动端暗黑模式样式
   ============================================= */

/* ===== 暗黑模式移动端覆盖 ===== */
:root.dark {
  --surface: linear-gradient(135deg, #0f172a 0%, #1e1b4b 25%, #1e293b 50%, #18181b 75%, #1c1917 100%);
  --card: rgba(30, 41, 59, 0.85);
  --card-hover: rgba(30, 41, 59, 0.95);
  --card-glass: rgba(30, 41, 59, 0.6);
  --card-glass-hover: rgba(30, 41, 59, 0.8);
  --card-gradient: linear-gradient(135deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.95) 100%);
  --primary-light: rgba(99, 102, 241, 0.2);
  --primary-glass: rgba(99, 102, 241, 0.1);
  --text: #f8fafc;
  --text-light: #e2e8f0;
  --text-muted: #94a3b8;
  --text-secondary: #64748b;
  --text-disabled: #475569;
  --text-inverse: #0f172a;
  --border: #334155;
  --border-light: #1e293b;
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-glass-hover: rgba(255, 255, 255, 0.15);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.35), 0 4px 6px -2px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(99, 102, 241, 0.1);
  --muted: #94a3b8;
  --muted2: #64748b;
}

/* ===== 移动端特定覆盖 ===== */
@media (max-width: 900px) {
  :root.dark body {
    background: var(--surface);
  }

  :root.dark body::before {
    background:
      radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.12), transparent),
      radial-gradient(ellipse 60% 40% at 100% 100%, rgba(236, 72, 153, 0.08), transparent),
      radial-gradient(ellipse 50% 60% at 0% 80%, rgba(16, 185, 129, 0.08), transparent);
  }

  :root.dark body::after {
    display: none;
  }

  /* 顶部栏 */
  :root.dark .topbar {
    background: rgba(30, 41, 59, 0.9);
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }

  /* 侧边栏 */
  :root.dark .sidebar {
    background: rgba(30, 41, 59, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
  }

  /* 卡片 */
  :root.dark .card {
    background: rgba(30, 41, 59, 0.85);
    border-color: rgba(255, 255, 255, 0.1);
  }

  :root.dark .generate-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.05));
  }

  :root.dark .inbox-card {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.06), rgba(6, 182, 212, 0.04));
  }

  /* 输入框 */
  :root.dark .input,
  :root.dark .select,
  :root.dark .textarea {
    background: rgba(15, 23, 42, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
    color: #f8fafc;
  }

  :root.dark .input::placeholder,
  :root.dark .textarea::placeholder {
    color: #64748b;
  }

  /* 邮箱显示 */
  :root.dark .email-display {
    background: rgba(15, 23, 42, 0.6);
    border-color: #475569;
    color: #e2e8f0;
  }

  :root.dark .email-display.has-email {
    background: rgba(99, 102, 241, 0.15);
    border-color: #6366f1;
    color: #a5b4fc;
  }

  /* 邮箱项目 */
  :root.dark .mailbox-item {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(255, 255, 255, 0.08);
  }

  :root.dark .mailbox-item:hover {
    background: rgba(30, 41, 59, 0.85);
    border-color: #6366f1;
  }

  :root.dark .mailbox-item .address {
    color: #f8fafc;
  }

  :root.dark .mailbox-item .time {
    color: #64748b;
  }

  /* 邮件项目 */
  :root.dark .email-item {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(255, 255, 255, 0.08);
  }

  :root.dark .email-item:hover {
    background: rgba(30, 41, 59, 0.85);
    border-color: #6366f1;
  }

  :root.dark .email-sender {
    color: #f8fafc;
  }

  :root.dark .email-subject {
    color: #f8fafc;
  }

  :root.dark .email-preview {
    color: #94a3b8;
  }

  /* 搜索框 */
  :root.dark .search-input {
    background: rgba(15, 23, 42, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
    color: #f8fafc;
  }

  :root.dark .search-input::placeholder {
    color: #64748b;
  }

  /* 模态框 */
  :root.dark .modal {
    background: rgba(0, 0, 0, 0.75);
  }

  :root.dark .modal-card {
    background: rgba(30, 41, 59, 0.98);
    border-color: rgba(255, 255, 255, 0.1);
  }

  :root.dark .modal-body {
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.05) 100%);
  }

  /* 表单 */
  :root.dark .field-input,
  :root.dark .field-textarea {
    background: rgba(15, 23, 42, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
    color: #f8fafc;
  }

  /* 按钮 */
  :root.dark .btn-ghost {
    border-color: rgba(255, 255, 255, 0.15);
    color: #e2e8f0;
  }

  :root.dark .btn-ghost:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: #6366f1;
    color: #a5b4fc;
  }

  /* 分页 */
  :root.dark .pager .muted {
    color: #94a3b8;
  }

  /* 状态显示 */
  :root.dark .loading-indicator {
    color: #e2e8f0;
  }

  :root.dark .spinner {
    border-color: rgba(99, 102, 241, 0.2);
    border-top-color: #6366f1;
  }

  /* 视图切换 */
  :root.dark .view-switch {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(255, 255, 255, 0.08);
  }

  :root.dark .seg-btn {
    color: #94a3b8;
  }

  :root.dark .seg-btn[aria-pressed="true"] {
    background: rgba(99, 102, 241, 0.15);
    color: #a5b4fc;
  }

  /* 角色徽章 */
  :root.dark .role-user {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(51, 65, 85, 0.8));
    border-color: #475569;
    color: #e2e8f0;
  }

  /* 空状态 */
  :root.dark .empty-state {
    color: #64748b;
  }

  :root.dark .empty-state .empty-text {
    color: #64748b;
  }

  /* 配置表单 */
  :root.dark .config-form {
    background: rgba(30, 41, 59, 0.7);
    border-color: rgba(255, 255, 255, 0.08);
  }

  :root.dark .config-label {
    color: #e2e8f0;
  }

  /* 范围滑块 */
  :root.dark .range-display {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.25);
  }

  :root.dark .len-value {
    color: #a5b4fc;
  }

  /* 邮箱操作 */
  :root.dark .mailbox-actions .btn-ghost {
    background: rgba(71, 85, 105, 0.2);
    color: #e2e8f0;
    border-color: #475569;
  }

  :root.dark .mailbox-actions .btn-ghost:hover {
    background: rgba(99, 102, 241, 0.15);
    color: #a5b4fc;
    border-color: #6366f1;
  }
}