/* ==============================================
   Freemail - 模态框样式
   ============================================== */

/* ===== 增强模态框 ===== */
.modal{
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: modalFadeIn 0.3s var(--ease-out-expo);
}

.modal.show{
  display: flex;
}

.modal-card{
  background: var(--card);
  backdrop-filter: var(--blur-xl);
  -webkit-backdrop-filter: var(--blur-xl);
  width: min(90vw, 900px);
  max-height: 85vh;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl), 0 0 0 1px var(--border-glass);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  transform: scale(0.9);
  animation: modalSlideIn 0.35s var(--spring) forwards;
}

.modal-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border-glass);
  font-weight: 700;
  font-size: 18px;
  background: var(--primary-gradient-soft);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  color: var(--text);
  position: relative;
}

.modal-header::before{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
}

.modal-body{
  padding: 28px;
  overflow-y: auto;
  max-height: calc(85vh - 80px);
  background: linear-gradient(180deg, transparent 0%, var(--primary-glass) 100%);
}

/* 发件表单 */
.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: var(--card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text);
  box-shadow: var(--shadow-glass);
}

.field-input::placeholder,
.field-textarea::placeholder{
  color: var(--muted2);
}

.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(--muted2);
}

.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 {
  0% { 
    transform: scale(0.85) translateY(30px); 
    opacity: 0;
    filter: blur(4px);
  }
  100% { 
    transform: scale(1) translateY(0); 
    opacity: 1;
    filter: blur(0);
  }
}

/* 邮件详情优化样式 */
.email-detail-container{
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 100%;
}

.email-meta-card{
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  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: rgba(255, 255, 255, 0.5);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.email-actions-bar{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 16px;
  background: var(--card-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius);
  border: 1px solid var(--border-glass);
}

/* 轻量信息条：与全站玻璃/圆角风格一致 */
.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: var(--card-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-glass);
}
.email-meta-inline span{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--border-light);
  color: var(--text);
  font-size: 12px;
  font-weight: 500;
}

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

.email-content-area{
  background: var(--card);
  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: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(6, 182, 212, 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: var(--card-glass);
  padding: 20px;
  border-radius: var(--radius);
  overflow-x: auto;
  border: 1px solid var(--border);
  margin: 20px 0;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.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(--muted2);
  font-style: italic;
  padding: 60px 20px;
  font-size: 16px;
  background: var(--card-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius);
  margin: 20px;
}

/* 确认对话框样式 */
.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: var(--card-glass);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

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

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

/* footer */
.footer{
  position: static; /* 避免覆盖内容，改为正常文档流 */
  margin: 24px auto 12px;
  padding: 6px 12px;
  color: var(--muted2);
  font-size: 14px;
  text-align: center;
  pointer-events: none;
  font-weight: 500;
  opacity: 0.8;
}

/* controls */
.control-row{
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-top: 20px;
  padding: 20px;
  background: var(--card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

.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: var(--card-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  height: 44px;
  line-height: 20px;
  color: var(--text);
  min-width: 200px;
  box-shadow: var(--shadow-glass);
  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);
}

/* 更显眼的用户名长度滑块 */
.range{
  width: 100%;
  height: 10px;
  appearance: none;
  -webkit-appearance: none;
  background: linear-gradient(to right, var(--primary) 0%, var(--border-light) 0%);
  border-radius: 9999px;
  outline: none;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.06);
  transition: background 0.2s ease;
}

/* WebKit 轨道（透明以便使用 input 本身的背景渐变）*/
.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;
  /* 垂直居中：拇指比轨道高 (22-10)/2 = 6px */
  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;
}

/* Firefox 轨道对齐 */
.range::-moz-range-track{
  height: 10px;
  background: transparent;
  border: none;
}