/* 移动端样式拆分 */

@media (max-width: 900px) {
  /* ========== 移动端侧边栏抽屉模式 ========== */
  .sidebar{
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 280px;
    max-width: 85vw;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0 16px 16px 0;
    box-shadow: none;
    max-height: 100vh;
    overflow-y: auto;
  }
  
  /* 历史邮箱内联模式（移动端历史tab） */
  .sidebar.history-inline{
    position: relative !important;
    transform: none !important;
    width: 100% !important;
    max-width: 100% !important;
    border-radius: var(--radius-md) !important;
    max-height: none !important;
    overflow: visible !important;
  }
  
  .sidebar.mobile-open{
    transform: translateX(0);
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.15);
  }
  
  /* 遮罩层 - 默认隐藏 */
  .sidebar-overlay{
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 99;
    opacity: 0;
    transition: opacity 0.25s ease;
  }
  
  .sidebar-overlay.show{
    display: block;
    opacity: 1;
  }
  
  /* 移动端侧边栏切换按钮 */
  .mobile-sidebar-toggle{
    display: flex;
    position: fixed;
    left: 16px;
    bottom: 24px;
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border: none;
    color: white;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 98;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
    transition: all 0.25s ease;
  }
  
  .mobile-sidebar-toggle svg{
    width: 22px;
    height: 22px;
  }
  
  .mobile-sidebar-toggle:hover{
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
  }
  
  .mobile-sidebar-toggle:active{
    transform: scale(0.95);
  }
  
  /* 侧边栏打开时隐藏切换按钮 */
  body.sidebar-open .mobile-sidebar-toggle{
    opacity: 0;
    pointer-events: none;
  }
  
  /* ========== 移动端 inbox-card 滚动支持 ========== */
  .card.inbox-card{
    flex: 1 1 auto;
    min-height: 200px;
    max-height: calc(100vh - 200px) !important;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  
  /* 邮箱视图时inbox-card占满剩余空间 */
  body.is-mobile.mailbox-view .card.inbox-card{
    max-height: calc(100vh - 140px) !important;
  }
  
  .card.inbox-card .list-viewport{
    flex: 1 1 auto;
    min-height: 0;
    max-height: 100%;
    overflow-y: auto !important;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  
  /* ========== 移动端 generate-card 样式 ========== */
  .generate-card{
    flex-shrink: 0;
  }
  
  /* 移动端邮箱视图时隐藏生成卡片 */
  body.is-mobile.mailbox-view .generate-card{
    display: none !important;
  }
  
  /* 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 !important; }
  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 80px; /* 底部增加内边距为footer和切换按钮留空间 */
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
  }
  /* 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 !important; grid-template-columns: repeat(2, minmax(0, 1fr)) !important; 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: grid;
    grid-template-columns: 1fr 88px;
    gap: 8px;
    align-items: start;
    margin-bottom: 8px;
  }
  
  .email-meta .meta-from{
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
  }
  
  .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;
    max-width: calc(100vw - 148px);
  }
  
  .email-time{
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    font-size: 11px;
    color: var(--muted2);
    line-height: 1.1;
    text-align: right;
    gap: 1px;
  }
  
  .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;
  }
  /* ========== 移动端邮件详情模态框优化 ========== */
  .modal{ 
    padding: 0 !important; 
    align-items: stretch !important;
  }
  
  .modal-card{
    width: 100% !important;
    max-width: 100vw !important;
    height: 100vh !important;
    max-height: 100vh !important;
    border-radius: 0 !important;
    display: flex;
    flex-direction: column;
  }
  
  .modal-header{ 
    padding: 12px 16px; 
    flex-shrink: 0;
  }
  
  .modal-body{ 
    padding: 12px; 
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  
  /* 邮件详情卡片优化 */
  .email-detail-card{
    gap: 10px;
    padding: 12px;
    margin-bottom: 12px;
  }
  
  .email-meta-grid{
    flex-direction: column !important;
    gap: 6px !important;
  }
  
  .email-meta-grid .meta-item{
    padding: 6px 10px;
    border-radius: 6px;
    background: rgba(248, 250, 252, 0.8);
  }
  
  .email-meta-grid .meta-label{
    font-size: 10px;
    padding: 2px 6px;
    margin-right: 8px;
  }
  
  .email-meta-grid .meta-value{
    font-size: 12px;
    word-break: break-all;
  }
  
  /* 邮件正文容器优化 - 关键：不限制高度 */
  .email-body-container{
    min-height: 150px;
    overflow: visible !important;
    display: flex;
    flex-direction: column;
  }
  
  .email-body-container iframe{
    min-height: 250px !important;
    flex: 1 1 auto;
    width: 100% !important;
  }
  
  .email-body-container pre{
    padding: 12px;
    font-size: 13px;
    line-height: 1.6;
    overflow: auto;
    max-height: 50vh;
    flex: 1 1 auto;
  }
  
  /* 邮件操作栏优化 */
  .email-actions-bar{ 
    flex-direction: row !important;
    flex-wrap: wrap;
    gap: 6px; 
    margin-bottom: 10px;
  }
  
  .email-actions-bar .btn{ 
    flex: 1 1 auto;
    min-width: 70px;
    justify-content: center;
    padding: 6px 10px;
    font-size: 11px;
  }
  
  .email-actions-bar .btn .btn-icon{
    width: 14px;
    height: 14px;
  }
  
  .email-actions-bar .btn span:not(.btn-icon){
    display: none;
  }
  
  /* 附件区域优化 */
  .attachments-section{
    padding: 10px;
  }
  
  .attachment-item{
    padding: 8px 10px;
    font-size: 12px;
  }
  
  .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-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 */
  .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-pill,
  .mail-actions-mobile .btn{ 
    width: 100%; 
    justify-content: center;
  }
}

/* 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; }
}