:root{
  /* 简化颜色变量，与登录页面保持一致 */
  --surface: #f0f2f5;
  --card: rgba(255, 255, 255, 0.9);
  --card-glass: rgba(255, 255, 255, 0.85);
  --muted: #64748b;
  --muted2: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: rgba(59, 130, 246, 0.1);
  --border: #e2e8f0;
  --border-glass: rgba(226, 232, 240, 0.6);
  --text: #1e293b;
  --text-light: #475569;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #10b981;
  --warning: #f59e0b;
  
  /* 简化圆角和阴影 */
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 12px;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  --shadow-glass: 0 4px 12px rgba(0, 0, 0, 0.1);
  
  /* 简化动画 */
  --transition: all 0.2s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* 允许选择文本的重要元素 */
input,
textarea,
select,
.email-text,
.email-display,
#modal-content,
.table td,
.table th,
pre,
code,
.selectable,
.custom-input,
.field-input,
.field-textarea {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

/* 移动端触摸优化 */
@media (max-width: 768px) {
  button,
  .btn,
  .sidebar-toggle-btn,
  .close,
  .nav-actions > *,
  .mailbox-actions > * {
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
  }
}

body{
  margin: 0;
  min-height: 100vh;
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  margin: 0 auto;
  padding: 16px 32px;
  gap: 20px;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.brand{
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.025em;
  display: flex;
  gap: 12px;
  align-items: center;
  color: var(--text);
  text-decoration: none;
}

.brand span{
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.brand-icon{
  font-size: 24px;
}

.role-badge{ 
  margin-left: 12px; 
  padding: 6px 12px; 
  border-radius: 999px; 
  font-weight: 700; 
  font-size: 14px; 
  letter-spacing: .5px; 
}
.role-user{ 
  color:#1e293b; 
  background: #f1f5f9; 
  border:1px solid #cbd5e1; 
}
.role-admin{ 
  color:#0f766e; 
  background: #d1fae5; 
  border:1px solid #6ee7b7; 
}
.role-super{ 
  color:#fff; 
  background: linear-gradient(135deg,#6366f1,#8b5cf6); 
}

.container{
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px 32px;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  align-items: start;
  min-height: calc(100vh - 100px);
}

.sidebar{
  position: sticky;
  top: 120px;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: var(--transition);
  width: auto;
  min-width: 280px;
  max-height: calc(100vh - 140px);
  overflow: auto;
  overscroll-behavior: contain;
}

.sidebar-search{ margin: 6px 0 10px; }
.sidebar-search-input{
  width: 100%;
  height: 36px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  box-shadow: var(--shadow);
}

.sidebar-search-input::placeholder{ color: var(--muted); }
.sidebar-search-input:focus{ 
  outline:none; 
  border-color: var(--primary); 
  box-shadow: 0 0 0 3px rgba(59,130,246,.15); 
  background: #fff; 
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  position: relative;
}

.sidebar h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.sidebar-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.quota-display {
  font-size: 12px;
  color: var(--muted);
  background: var(--card);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.sidebar-toggle-btn {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.sidebar-toggle-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: scale(1.05);
}

.sidebar-toggle-btn span {
  font-size: 14px;
  font-weight: bold;
  transition: var(--transition);
  color: var(--text);
}

.sidebar-toggle-btn:hover span {
  color: white;
}

.main{
  grid-column: 2;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  gap: 24px;
}

.card{
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.card h2{
  margin: 0 0 24px 0;
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 邮箱卡片布局 */
.mailbox-layout{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
  transition: var(--transition);
}

.mailbox-display-section{
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: space-between;
  min-height: 280px;
}

.mailbox-display-content{
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mailbox-config-section{
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 280px;
}

.section-header{
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.section-icon{
  font-size: 18px;
  opacity: 0.8;
}

.section-title{
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.email-display{
  background: #f8fafc;
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
  font-size: 16px;
  font-weight: 500;
  text-align: center;
  color: var(--text-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.custom-overlay{ 
  position:absolute; 
  inset:0; 
  display:flex; 
  align-items:center; 
  justify-content:center; 
  gap:12px; 
  background: rgba(255,255,255,0.9); 
  padding:12px; 
}
.custom-input{ 
  min-width:280px; 
  height:44px; 
  padding:10px 14px; 
  border:1px solid var(--border); 
  border-radius: var(--radius-sm); 
  background: var(--card); 
  box-shadow: var(--shadow); 
  font-size:14px; 
}
.custom-input::placeholder{ color: var(--muted); }
.custom-input:focus{ 
  outline:none; 
  border-color: var(--primary); 
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15); 
  background:#fff; 
}
.custom-overlay .btn{ 
  height:44px; 
  padding:0 16px; 
  justify-content:center; 
  align-items:center; 
}

.generate-action{ 
  display:flex; 
  gap:12px; 
  align-items:center; 
  flex-wrap:wrap; 
  margin-top: auto;
}
.generate-action .btn{ 
  height:52px; 
  padding:0 20px; 
  font-size:16px; 
  border-radius: var(--radius-sm); 
  flex:1 1 220px; 
  justify-content:center; 
  text-align:center; 
}

.email-display.has-email{
  border-style: solid;
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.05);
  color: var(--primary);
  font-weight: 700;
  font-size: 18px;
}

.mailbox-actions{
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 12px;
  justify-content: center;
  align-items: stretch;
  margin-top: 0;
  opacity: 1;
  transition: var(--transition);
}

.mailbox-actions .btn{
  width: 100%;
  min-width: auto;
  height: 52px;
  font-size: 14px;
  font-weight: 600;
  justify-content: center;
  white-space: nowrap;
}

.mailbox-actions .btn-secondary{
  background: #ffffff;
  border-color: var(--primary);
  color: var(--primary);
}

.mailbox-actions .btn-secondary:hover{
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
}

.mailbox-actions .btn-danger{
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border-color: var(--danger);
}

.mailbox-actions .btn-danger:hover{
  background: var(--danger);
  color: white;
  transform: translateY(-2px);
}

.mailbox-actions .btn-ghost{
  background: rgba(71, 85, 105, 0.1);
  color: var(--text-light);
  border-color: var(--muted);
}

.mailbox-actions .btn-ghost:hover{
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.config-form{
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

.config-item{
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.config-label{
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text-light);
  font-size: 14px;
}

.label-icon{
  font-size: 16px;
  opacity: 0.8;
}

.range-container{
  display: flex;
  align-items: center;
  gap: 16px;
}

.range{
  flex: 1;
}

.range-display{
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 60px;
  background: var(--primary-light);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.len-value{
  color: var(--primary);
  font-weight: 700;
  font-size: 16px;
}

.len-unit{
  color: var(--primary);
  font-size: 12px;
  opacity: 0.8;
}

.btn-generate{
  width: 100%;
  height: 52px;
  background: #ffffff;
  border: 1px solid var(--border);
  font-size: 16px;
  font-weight: 700;
  padding: 0 24px;
  box-shadow: var(--shadow);
  justify-content: center;
  color: var(--text);
}

.btn-generate:hover{
  transform: translateY(-2px);
  background: #f8fafc;
  border-color: #94a3b8;
  box-shadow: var(--shadow-lg);
}

.btn-generate:disabled{
  opacity: 0.7;
  transform: none;
  cursor: not-allowed;
}

.btn{
  background: #ffffff;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 24px;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.btn:hover{
  background: #f8fafc;
  box-shadow: var(--shadow-lg);
  border-color: #94a3b8;
  transform: translateY(-2px) scale(1.02);
}

.btn:active{
  transform: translateY(-1px) scale(1.01);
  box-shadow: var(--shadow);
}

.btn-danger{
  background: var(--danger);
  color: white;
  box-shadow: var(--shadow);
}

.btn-danger:hover{
  background: var(--danger-hover);
  box-shadow: var(--shadow-lg);
}

.btn-primary{
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.btn-primary:hover{
  background: #f8fafc;
  border-color: #94a3b8;
  box-shadow: var(--shadow-lg);
}

.btn-secondary{
  background: #ffffff;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.btn-secondary:hover{
  background: #f8fafc;
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px) scale(1.01);
}

.btn-sm{
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  height: 32px;
  gap: 4px;
}

.listcard-header{
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
}

.listcard-title{ 
  margin: 0; 
  display:flex; 
  align-items:center; 
  gap:8px; 
  justify-self: start;
}

.view-switch{ 
  justify-self: center; 
  display: inline-flex; 
  background: #ffffff; 
  border:1px solid var(--border); 
  border-radius: 999px; 
  overflow:hidden; 
  box-shadow: var(--shadow);
}

.seg-btn{
  background: transparent; 
  border:none; 
  padding: 8px 16px; 
  font-weight:600; 
  color: var(--text-light); 
  cursor:pointer; 
  transition: var(--transition);
}

.seg-btn[aria-pressed="true"]{
  background: var(--primary-light);
  color: var(--primary);
}

.seg-btn:hover{ 
  background: rgba(59,130,246,0.08); 
  color: var(--primary); 
}

.loading-indicator{ 
  display:none; 
  align-items:center; 
  gap:8px; 
  justify-self:end; 
  color: var(--text-light); 
}

.loading-indicator.show{ 
  display:inline-flex; 
}

.spinner{
  width:16px; 
  height:16px; 
  border:2px solid rgba(59,130,246,0.2); 
  border-top-color: var(--primary); 
  border-radius:50%; 
  animation: spin 0.8s linear infinite;
}

@keyframes spin { 
  to { transform: rotate(360deg);} 
}

.placeholder-text{
  color: var(--muted);
  font-style: italic;
}

.mailbox-item{
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  padding-left: 22px;
  margin-bottom: 6px;
  cursor: pointer;
  background: #ffffff;
  transition: var(--transition);
  position: relative;
}

.mailbox-item.pinned{
  position: relative;
  background: #fef3c7;
  border-left: 3px solid #f59e0b;
  border-color: rgba(245, 158, 11, 0.3);
}

.mailbox-item.pinned:hover{
  background: #fce09b;
  border-left-color: #d97706;
}

.mailbox-item.pinned::after{
  content: '📌';
  position: absolute;
  top: 4px;
  left: 4px;
  font-size: 10px;
  color: #f59e0b;
  opacity: 0.9;
  transition: all 0.2s ease;
}

.mailbox-item.pinned:hover::after{
  opacity: 1;
  transform: scale(1.15);
}

.mailbox-content{
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  gap: 1px;
  margin-right: 8px;
}

.mailbox-item .mailbox-actions{
  display: flex;
  gap: 4px;
  align-items: center;
  opacity: 0;
  transition: var(--transition);
  flex-shrink: 0;
  pointer-events: none;
}

.mailbox-item:hover .mailbox-actions{
  opacity: 1 !important;
  pointer-events: auto;
}

.mailbox-item:hover .mailbox-actions .pin,
.mailbox-item:hover .mailbox-actions .del{
  pointer-events: auto;
}

.mailbox-item .mailbox-actions .pin{
  color: var(--primary);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  height: 24px;
  width: 24px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  border-radius: 6px;
  min-width: 24px;
  min-height: 24px;
  pointer-events: none;
}

.mailbox-item .mailbox-actions .pin:hover{
  background: rgba(59, 130, 246, 0.2);
  transform: scale(1.05);
}

.mailbox-item .mailbox-actions .del:hover{
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  transform: scale(1.05);
}

.mailbox-item:hover{
  background: #f1f5f9;
  border-color: var(--primary);
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.mailbox-item.selected{
  background: var(--primary-light);
  border-color: var(--primary);
}

.mailbox-item .address{
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 1px;
  font-size: 13px;
}

.mailbox-item .time{
  color: var(--muted2);
  font-size: 10px;
  opacity: 0.8;
}

.mailbox-item .mailbox-actions .del{
  opacity: 0;
  transition: var(--transition);
  height: 24px;
  width: 24px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--danger);
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 6px;
  min-width: 24px;
  min-height: 24px;
  pointer-events: none;
}

.mailbox-item:hover .mailbox-actions .del{
  opacity: 1 !important;
  pointer-events: auto;
}

.list{
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow: visible;
}

.pager{
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.pager .btn{ 
  min-width: 90px; 
}

.pager .muted{ 
  color: var(--muted); 
  font-size: 13px; 
}

.email-item{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  background: #ffffff;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  z-index: 0;
  overflow: hidden;
  display:grid; 
  grid-template-columns: 1fr auto; 
  gap: 8px 10px; 
}

.email-item .email-actions{ 
  grid-column: 2; 
  align-self: center; 
}

.email-item .email-content{ 
  grid-column: 1 / span 1; 
}

.email-item::before{
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary), #8b5cf6);
  opacity: 0;
  transition: var(--transition);
}

.email-item:hover::before{
  opacity: 1;
}

.email-item:hover{
  transform: none;
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  z-index: 2;
}

.email-item.clickable{
  cursor: pointer;
}

.email-meta{  
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 13px;
  display: grid; 
  grid-template-columns: 1fr auto; 
  gap: 10px;
  align-items: center;
}

.email-meta .meta-from{ 
  display: flex; 
  align-items: center; 
  gap: 6px; 
  min-width: 0;
  overflow: hidden;
}

.email-meta .meta-label{ 
  font-size: 12px; 
  color: var(--text-light); 
  background: #ffffff; 
  border: 1px solid var(--border); 
  border-radius: 999px; 
  padding: 2px 8px;
  white-space: nowrap;
  flex-shrink: 0;
}

.email-meta .meta-from-text{ 
  color: var(--text); 
  font-weight: 600; 
  white-space: nowrap; 
  overflow: hidden; 
  text-overflow: ellipsis;
  min-width: 0;
}

.email-time{
  color: var(--muted2);
  font-size: 0.85em;
  font-weight: 500;
  justify-self: end;
  text-align: right;
  white-space: nowrap;
}

.email-actions{
  display: flex;
  gap: 8px;
  opacity: 0;
  transition: var(--transition);
}

.email-item:hover .email-actions{ 
  opacity: 1; 
}

.email-sender{
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.sender-icon, .time-icon, .subject-icon{
  font-size: 14px;
  opacity: 0.8;
}

.sender-name{
  color: var(--text);
  font-size: 14px;
}

.email-content{
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 8px;
}

.email-main{
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.email-subject{
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-preview{
  color: var(--text-light);
  font-size: 13px;
  line-height: 1.4;
  display: block;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.email-line{ 
  display: grid; 
  grid-template-columns: 52px 1fr;
  align-items: center; 
  gap: 8px; 
  margin: 1px 0; 
  min-width: 0; 
}

.label-chip{ 
  width: 52px; 
  justify-self: start; 
  text-align: center; 
  padding: 1px 6px; 
  font-size: 11px; 
  color: var(--text-light); 
  background: #ffffff; 
  border: 1px solid var(--border); 
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
}

.value-text{ 
  min-width: 0; 
  overflow: hidden; 
  text-overflow: ellipsis;
  word-break: break-word;
}

.value-text.from{ 
  color: var(--text); 
  font-weight: 600; 
}

.value-text.subject{ 
  color: var(--text); 
  font-weight: 700; 
  white-space: nowrap;
}

.email-preview.value-text{
  white-space: normal;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.modal{
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: modalFadeIn 0.3s ease-out;
}

.modal.show{
  display: flex;
}

.modal-card{
  background: rgba(255, 255, 255, 0.95);
  width: min(90vw, 900px);
  max-height: 85vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transform: scale(0.9);
  animation: modalSlideIn 0.3s ease-out forwards;
}

.modal-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 18px;
  background: rgba(59,130,246,.14);
  color: var(--text);
}

.modal-body{
  padding: 32px;
  overflow-y: auto;
  max-height: calc(85vh - 80px);
}

.compose-form{
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field-group{
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label{
  font-weight: 600;
  color: var(--text-light);
  font-size: 14px;
}

.field-input,
.field-textarea{
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text);
  box-shadow: var(--shadow);
}

.field-input::placeholder,
.field-textarea::placeholder{
  color: var(--muted);
}

.field-input:focus,
.field-textarea:focus{
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.field-textarea{
  min-height: 160px;
  resize: vertical;
}

.field-hint{
  font-size: 12px;
  color: var(--muted);
}

.compose-actions{
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.close{
  cursor: pointer;
  font-size: 24px;
  border: none;
  background: transparent;
  color: var(--text);
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.close:hover{
  background: rgba(0, 0, 0, 0.06);
  transform: scale(1.1);
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalSlideIn {
  from { transform: scale(0.9) translateY(20px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.email-detail-container{
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 100%;
}

.email-meta-card{
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.meta-item{
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  padding: 8px 0;
}

.meta-icon{
  font-size: 18px;
  width: 24px;
  text-align: center;
  opacity: 0.8;
}

.meta-label{
  font-weight: 600;
  color: var(--text-light);
  min-width: 60px;
  font-size: 13px;
}

.meta-value{
  color: var(--text);
  font-weight: 500;
  flex: 1;
  word-break: break-all;
  background: #ffffff;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.email-actions-bar{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 16px;
  background: #ffffff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.email-meta-inline{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 10px;
  padding: 10px 12px;
  margin: 6px 0 12px 0;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.email-meta-inline span{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 12px;
  font-weight: 500;
}

.email-actions-bar .btn{
  min-width: 120px;
  height: 40px;
}

.email-content-area{
  background: #ffffff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}

.email-content-area::before{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #8b5cf6, #ec4899);
}

.email-content-text{
  padding: 24px;
  line-height: 1.7;
  font-size: 15px;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.code-highlight{
  background: rgba(16, 185, 129, 0.1);
  border: 2px solid var(--success);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 0 0 20px 0;
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  color: var(--success);
  position: relative;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.code-highlight::before{
  content: '🔐 验证码';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--success);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  box-shadow: var(--shadow);
}

.email-content-text h1,
.email-content-text h2,
.email-content-text h3{
  margin: 24px 0 16px 0;
  color: var(--text);
  font-weight: 700;
}

.email-content-text p{
  margin: 12px 0;
}

.email-content-text a{
  color: var(--primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 130, 246, 0.3);
  transition: var(--transition);
}

.email-content-text a:hover{
  border-bottom-color: var(--primary);
  background: var(--primary-light);
}

.email-content-text code{
  background: var(--primary-light);
  color: var(--primary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
  font-family: 'SF Mono', Monaco, monospace;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.email-content-text pre{
  background: #ffffff;
  padding: 20px;
  border-radius: var(--radius);
  overflow-x: auto;
  border: 1px solid var(--border);
  margin: 20px 0;
}

.email-content-text blockquote{
  border-left: 4px solid var(--primary);
  padding-left: 20px;
  margin: 20px 0;
  font-style: italic;
  color: var(--text-light);
  background: var(--primary-light);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.email-no-content{
  text-align: center;
  color: var(--muted);
  font-style: italic;
  padding: 60px 20px;
  font-size: 16px;
  background: #ffffff;
  border-radius: var(--radius);
  margin: 20px;
}

.confirm-card{
  max-width: 480px;
  width: 90vw;
}

.confirm-header{
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: white;
}

.confirm-body{
  text-align: center;
  padding: 32px 24px;
}

.confirm-message{
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 32px;
  padding: 16px;
  background: #ffffff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.confirm-actions{
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.confirm-actions .btn{
  min-width: 120px;
  justify-content: center;
}

.footer{
  position: static;
  margin: 24px auto 12px;
  padding: 6px 12px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  pointer-events: none;
  font-weight: 500;
  opacity: 0.8;
}

.control-row{
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-top: 20px;
  padding: 20px;
  background: #ffffff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.control-row label{
  font-weight: 600;
  color: var(--text-light);
  font-size: 14px;
  white-space: nowrap;
}

.control-group{
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.control-group label{
  margin: 0;
}

.len-display{
  color: var(--primary);
  font-weight: 700;
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.btn-icon{
  font-size: 16px;
  transition: var(--transition);
}

.btn:hover .btn-icon{
  transform: scale(1.2);
}

.mailbox-actions .btn-icon{
  font-size: 18px;
}

.mailbox-actions .btn:hover .btn-icon{
  transform: scale(1.3) rotate(5deg);
}

.modal-icon{
  font-size: 20px;
  margin-right: 8px;
}

.select{
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  height: 44px;
  line-height: 20px;
  color: var(--text);
  min-width: 200px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  font-weight: 500;
}

.select:focus{
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  transform: translateY(-1px);
}

.range{
  width: 100%;
  height: 10px;
  appearance: none;
  -webkit-appearance: none;
  background: linear-gradient(to right, var(--primary) 0%, var(--border) 0%);
  border-radius: 9999px;
  outline: none;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.06);
  transition: background 0.2s ease;
}

.range::-webkit-slider-runnable-track{
  height: 10px;
  background: transparent;
  border-radius: 9999px;
}

.range::-webkit-slider-thumb{
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(59,130,246,0.35), 0 0 0 3px #fff;
  border: 1px solid rgba(59,130,246,0.4);
  transition: transform .15s ease;
  margin-top: -6px;
}

.range::-webkit-slider-thumb:hover{
  transform: scale(1.06);
}

.range::-moz-range-thumb{
  width: 22px;
  height: 22px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  border: 1px solid rgba(59,130,246,0.4);
  box-shadow: 0 4px 10px rgba(59,130,246,0.35), 0 0 0 3px #fff;
}

.range::-moz-range-track{
  height: 10px;
  background: transparent;
  border: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .container{
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 12px 12px 20px;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
  }
  
  .sidebar{
    position: relative;
    top: auto;
    max-height: none;
    overflow: visible;
    overscroll-behavior: auto;
  }
  
  .topbar{
    padding: 12px 20px;
  }
  
  .brand-text{ 
    display:none; 
  }
  
  .nav-actions .btn .btn-text{ 
    display:none; 
  }
  
  .nav-actions .btn{ 
    padding-left: 10px; 
    padding-right: 10px; 
  }
  
  .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 { 
    display:none; 
  }
  
  .sidebar.list-collapsed #mb-more-wrap { 
    display: block !important;
    margin-top: 8px;
    text-align: center;
  }
  
  .sidebar.list-collapsed #mb-more {
    width: 100%;
    padding: 8px 12px;
    font-size: 12px;
    border-radius: 8px;
    background: var(--primary-light);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--primary);
  }
  
  .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;
  }
  
  .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; 
  }
  
  .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{
    border-left-width: 2px;
  }
  
  .mailbox-item.pinned::after{
    top: 3px;
    left: 3px;
    font-size: 9px;
  }
  
  .mailbox-actions{
    gap: 4px;
  }
  
  .mailbox-item .mailbox-actions .pin,
  .mailbox-item .mailbox-actions .del{
    height: 24px;
    width: 24px;
    font-size: 11px;
  }
  
  .mailbox-item{
    padding: 8px 12px;
    padding-left: 20px;
    margin-bottom: 6px;
  }
  
  .mailbox-item .address{
    font-size: 13px;
    margin-bottom: 1px;
  }
  
  .mailbox-item .time{
    font-size: 10px;
  }
}

@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; 
  }
}

.page-mailboxes .toolbar{ 
  display:flex; 
  justify-content:center; 
  margin-bottom:12px; 
}

.searchbar{ 
  display:flex; 
  align-items:center; 
  gap:8px; 
  background: #ffffff; 
  border:1px solid var(--border); 
  padding:8px 10px; 
  border-radius: 999px; 
  box-shadow: var(--shadow); 
  width: min(720px, 100%); 
}

.search-input{ 
  flex:1; 
  border:none; 
  background: transparent; 
  outline: none; 
  padding: 6px 8px; 
  font-size:14px; 
  color: var(--text); 
}

.search-input::placeholder{ 
  color: var(--muted); 
}

.page-mailboxes .btn-sm{ 
  height:36px; 
}