/* ========================================
   love-letter.css - 情书功能样式
   ======================================== */

.ll-list-view,
.ll-detail-view {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--color-bg-primary);
}

.ll-detail-view {
  display: none;
}

.ll-detail-view.is-active {
  display: flex;
}

/* ==================== 标签页 ==================== */
.ll-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-primary);
}

.ll-tab {
  flex: 1;
  padding: 12px;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.ll-tab.is-active {
  color: var(--color-primary);
  font-weight: 500;
}

.ll-tab.is-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

/* ==================== 列表 ==================== */
.ll-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.ll-letter-card {
  background: var(--color-bg-secondary);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.ll-letter-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.ll-letter-card.unread {
  border-left: 3px solid var(--color-primary);
}

.ll-letter-header {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.ll-letter-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-size: 18px;
  margin-right: 12px;
  flex-shrink: 0;
}

.ll-letter-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.ll-letter-info {
  flex: 1;
  min-width: 0;
}

.ll-letter-from {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.ll-letter-time {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.ll-letter-unread-badge {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-danger);
  margin-left: 8px;
  flex-shrink: 0;
}

.ll-letter-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.ll-letter-preview {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==================== 空状态 ==================== */
.ll-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  padding: 40px 20px;
}

.ll-empty svg {
  width: 80px;
  height: 80px;
  opacity: 0.3;
  margin-bottom: 16px;
}

.ll-empty p {
  margin: 4px 0;
  font-size: 15px;
}

.ll-empty__hint {
  font-size: 13px !important;
  opacity: 0.7;
}

/* ==================== 详情页 ==================== */
.ll-detail-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px;
}

.ll-detail-header {
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px dashed var(--color-border);
}

.ll-detail-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-size: 32px;
  margin: 0 auto 16px;
}

.ll-detail-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.ll-detail-from {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.ll-detail-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

.ll-detail-time {
  font-size: 13px;
  color: var(--color-text-tertiary);
}

.ll-detail-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-primary);
  white-space: pre-wrap;
  word-wrap: break-word;
}

.ll-detail-footer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px dashed var(--color-border);
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: 14px;
}

/* ==================== 弹窗 ==================== */
.ll-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
}

.ll-overlay.is-active {
  display: flex;
}

.ll-compose-dialog,
.ll-settings-dialog {
  background: var(--color-bg-primary);
  border-radius: 16px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ll-compose-header,
.ll-settings-header {
  padding: 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ll-compose-header h3,
.ll-settings-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.ll-compose-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.ll-compose-close:hover {
  background: var(--color-danger);
  color: white;
}

.ll-compose-body,
.ll-settings-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.ll-compose-from {
  display: flex;
  align-items: center;
  padding: 16px;
  background: var(--color-bg-secondary);
  border-radius: 12px;
  margin-bottom: 20px;
}

.ll-compose-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-size: 22px;
  margin-right: 12px;
  flex-shrink: 0;
}

.ll-compose-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.ll-compose-info {
  flex: 1;
}

.ll-compose-name {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.ll-compose-hint {
  font-size: 13px;
  color: var(--color-text-tertiary);
}

.ll-compose-field {
  margin-bottom: 20px;
}

.ll-compose-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.ll-generate-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.ll-generate-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.ll-generate-btn svg {
  width: 14px;
  height: 14px;
}

.ll-compose-input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-size: 14px;
  transition: all 0.2s;
}

.ll-compose-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.ll-compose-textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-size: 14px;
  line-height: 1.6;
  resize: vertical;
  transition: all 0.2s;
  font-family: inherit;
}

.ll-compose-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.ll-compose-checkbox {
  margin-right: 8px;
}

.ll-email-input {
  margin-top: 8px;
}

.ll-email-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ll-email-hint {
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.ll-email-settings-btn {
  margin-left: 8px;
  padding: 2px 8px;
  background: none;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.ll-email-settings-btn:hover {
  background: var(--color-primary);
  color: white;
}

.ll-compose-footer,
.ll-settings-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
}

.ll-compose-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.ll-compose-btn--send {
  background: var(--color-primary);
  color: white;
}

.ll-compose-btn--send:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.ll-compose-btn svg {
  width: 16px;
  height: 16px;
}

/* 设置指南样式 */
.ll-settings-guide {
  background: var(--color-bg-secondary);
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 20px;
}

.ll-settings-guide p {
  margin: 0 0 12px 0;
  font-size: 14px;
  color: var(--color-text-primary);
}

.ll-settings-guide ol {
  margin: 0;
  padding-left: 20px;
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.ll-settings-guide li {
  margin-bottom: 8px;
}

.ll-settings-guide code {
  background: var(--color-bg-tertiary);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--color-primary);
}

.ll-settings-guide a {
  color: var(--color-primary);
  text-decoration: none;
}

.ll-settings-guide a:hover {
  text-decoration: underline;
}

/* Toast 提示 */
.ll-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 10000;
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
}

.ll-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 响应式 */
@media (max-width: 768px) {
  .ll-compose-dialog,
  .ll-settings-dialog {
    max-width: 100%;
    border-radius: 16px 16px 0 0;
    max-height: 95vh;
  }
  
  .ll-overlay {
    padding: 0;
    align-items: flex-end;
  }
}