imetting/frontend/src/components/MarkdownEditor.css

/* Markdown Editor Component */
.markdown-editor-wrapper {
  margin-top: 0.5rem;
}

.editor-toolbar {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem;
  background: #f8fafc;
  border: 2px solid #e2e8f0;
  border-radius: 8px 8px 0 0;
  flex-wrap: wrap;
}

.toolbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0.25rem 0.5rem;
  background: white;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374155;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.toolbar-btn:hover {
  background: #f0f4ff;
  border-color: #667eea;
  color: #667eea;
}

.toolbar-btn.active {
  background: #667eea;
  border-color: #667eea;
  color: white;
}

.toolbar-btn.active:hover {
  background: #5a67d8;
  border-color: #5a67d8;
}

.toolbar-btn strong,
.toolbar-btn em {
  font-style: normal;
  font-weight: 600;
}

.toolbar-divider {
  width: 1px;
  height: 24px;
  background: #d1d5db;
  margin: 0 0.25rem;
}

/* 标题下拉菜单 */
.toolbar-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.25rem;
  background: white;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 100;
  min-width: 160px;
  overflow: visible;
}

.dropdown-menu button {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  background: white;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s ease;
  font-family: inherit;
  color: #374155;
}

.dropdown-menu button:hover {
  background: #f0f4ff;
  color: #667eea;
}

.dropdown-menu button h1,
.dropdown-menu button h2,
.dropdown-menu button h3,
.dropdown-menu button h4,
.dropdown-menu button h5,
.dropdown-menu button h6 {
  font-weight: 600;
  color: inherit;
}

/* CodeMirror 样式覆盖 */
.markdown-editor-wrapper .cm-editor {
  border-top: none !important;
  border-radius: 0 0 8px 8px !important;
}

/* 预览区域 */
.markdown-preview {
  border: 2px solid #e2e8f0;
  border-top: none;
  border-radius: 0 0 8px 8px;
  padding: 2rem;
  background: white;
  min-height: 400px;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3,
.markdown-preview h4,
.markdown-preview h5,
.markdown-preview h6 {
  margin: 1.5rem 0 0.75rem 0;
  font-weight: 600;
  color: #1e293b;
  line-height: 1.3;
}

.markdown-preview h1:first-child,
.markdown-preview h2:first-child,
.markdown-preview h3:first-child,
.markdown-preview h4:first-child,
.markdown-preview h5:first-child,
.markdown-preview h6:first-child {
  margin-top: 0;
}

.markdown-preview h1 { font-size: 1.875rem; }
.markdown-preview h2 { font-size: 1.5rem; }
.markdown-preview h3 { font-size: 1.25rem; }
.markdown-preview h4 { font-size: 1.125rem; }
.markdown-preview h5 { font-size: 1rem; }
.markdown-preview h6 { font-size: 0.875rem; }

.markdown-preview p {
  margin: 0.75rem 0;
  line-height: 1.7;
  color: #475569;
}

.markdown-preview ul,
.markdown-preview ol {
  margin: 1rem 0;
  padding-left: 2rem;
}

.markdown-preview li {
  margin: 0.5rem 0;
  line-height: 1.6;
  color: #475569;
}

.markdown-preview strong {
  font-weight: 600;
  color: #1e293b;
}

.markdown-preview em {
  font-style: italic;
}

.markdown-preview code {
  background: #f1f5f9;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
  font-size: 0.875rem;
  color: #dc2626;
}

.markdown-preview pre {
  background: #f8fafc;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  border: 1px solid #e2e8f0;
  margin: 1rem 0;
}

.markdown-preview pre code {
  background: none;
  padding: 0;
  color: #334155;
}

.markdown-preview blockquote {
  border-left: 4px solid #667eea;
  padding-left: 1rem;
  margin: 1rem 0;
  font-style: italic;
  color: #64748b;
  background: #f8fafc;
  padding: 1rem;
  border-radius: 0 8px 8px 0;
}

.markdown-preview table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  border: 1px solid #e2e8f0;
}

.markdown-preview th,
.markdown-preview td {
  border: 1px solid #e2e8f0;
  padding: 0.75rem;
  text-align: left;
}

.markdown-preview th {
  background: #f8fafc;
  font-weight: 600;
  color: #334155;
}

.markdown-preview hr {
  border: none;
  height: 1px;
  background: #e2e8f0;
  margin: 2rem 0;
}

.markdown-preview img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1rem 0;
}

.markdown-preview a {
  color: #667eea;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.markdown-preview a:hover {
  border-bottom-color: #667eea;
}

/* 响应式 */
@media (max-width: 768px) {
  .editor-toolbar {
    gap: 0.125rem;
    padding: 0.375rem;
  }

  .toolbar-btn {
    min-width: 28px;
    height: 28px;
    font-size: 0.75rem;
  }

  .markdown-preview {
    padding: 1rem;
  }
}