.document-list-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #f8f9fa;
}

.document-list-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid #e0e0e0;
  background: #ffffff;
  flex-shrink: 0;
  
  .header-icon {
    color: #1976d2;
  }
  
  .header-title {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
    color: #333;
  }
}

.document-items {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.document-item {
  background: #ffffff;
  border-radius: 8px;
  margin-bottom: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: all 0.2s ease;
  
  &:hover {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  }
  
  &.has-content {
    border-left: 4px solid #1976d2;
  }
  
  &.loading {
    opacity: 0.8;
  }
  
  &.empty {
    opacity: 0.6;
    border-left: 4px solid #ccc;
  }
}

.document-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  cursor: pointer;
  user-select: none;
  min-height: 48px;
  
  &:hover {
    background-color: #f5f5f5;
    border-radius: 8px 8px 0 0;
  }
}

.document-icon-title {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
  
  .document-icon {
    color: #666;
    font-size: 20px;
    height: 20px;
    width: 20px;
    flex-shrink: 0;
  }
  
  .document-title {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .document-loading-spinner {
    margin-left: 8px;
  }
}

.document-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  
  .document-updated {
    font-size: 12px;
    color: #888;
    white-space: nowrap;
  }
  
  .expand-icon {
    color: #999;
    font-size: 20px;
    height: 20px;
    width: 20px;
    transition: transform 0.2s ease;
  }
}

.document-content {
  padding: 16px;
  border-top: 1px solid #f0f0f0;
  background: #ffffff;
  border-radius: 0 0 8px 8px;
  max-height: 400px;
  overflow-y: auto;
  
  .document-content-inner {
    font-size: 13px;
    line-height: 1.6;
    color: #444;
    
    // Markdown内容样式
    :deep(h1), :deep(h2), :deep(h3) {
      margin-top: 0;
      margin-bottom: 12px;
      font-weight: 600;
    }
    
    :deep(h1) { font-size: 16px; }
    :deep(h2) { font-size: 15px; }
    :deep(h3) { font-size: 14px; }
    
    :deep(p) {
      margin: 8px 0;
    }
    
    :deep(ul), :deep(ol) {
      padding-left: 20px;
      margin: 8px 0;
    }
    
    :deep(li) {
      margin: 4px 0;
    }
    
    :deep(code) {
      background: #f5f5f5;
      padding: 2px 4px;
      border-radius: 3px;
      font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
      font-size: 12px;
    }
    
    :deep(pre) {
      background: #f5f5f5;
      padding: 12px;
      border-radius: 6px;
      overflow-x: auto;
      margin: 12px 0;
    }
  }
}

.document-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  color: #999;
  text-align: center;
  
  mat-icon {
    font-size: 32px;
    height: 32px;
    width: 32px;
    margin-bottom: 12px;
    color: #ccc;
  }
  
  p {
    margin: 4px 0;
    font-size: 14px;
  }
  
  .loading-text {
    color: #666;
    font-size: 12px;
  }
}

.document-preview {
  padding: 8px 16px 12px 16px;
  border-top: 1px solid #f0f0f0;
  background: #fafafa;
  border-radius: 0 0 8px 8px;
  
  .preview-text {
    font-size: 12px;
    color: #666;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

.document-status {
  .status-text {
    font-size: 12px;
    color: #999;
    font-style: italic;
  }
}

// 响应式调整
@media (max-height: 700px) {
  .document-content {
    max-height: 300px;
  }
}

@media (max-height: 600px) {
  .document-content {
    max-height: 250px;
  }
}