/* 标记语法快捷按钮样式 */
.markup-btn {
  padding: 4px 10px;
  font-size: 12px;
  background: #fff;
  border: 1px solid #d1d5da;
  border-radius: 4px;
  color: #24292e;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.markup-btn:hover {
  background: #f6f8fa;
  border-color: #0366d6;
  color: #0366d6;
}

.markup-btn:active {
  background: #e1e4e8;
}

/* 预览区域样式 */
.comment-preview-container {
  transition: all 0.3s ease;
}

.comment-preview {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

.comment-preview .preview-line {
  display: block;
  margin-bottom: 0.4em;
}

.comment-preview .preview-line.text-left {
  text-align: left;
}

.comment-preview .preview-line.text-center {
  text-align: center;
}

.comment-preview .preview-line.text-right {
  text-align: right;
}

.comment-preview .preview-line.text-small {
  font-size: 0.8em;
  opacity: 0.9;
}

@media (max-width: 768px) {
  .markup-buttons {
    padding: 6px;
  }
  
  .markup-btn {
    padding: 3px 8px;
    font-size: 11px;
  }
}