.md-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.md-layout.full-preview #md-editor-pane { display: none; }
.md-layout.full-preview { grid-template-columns: 1fr; }
.md-preview {
  min-height: 360px;
  max-height: 70vh;
  overflow: auto;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.md-preview pre {
  background: var(--code-bg);
  padding: 12px;
  border-radius: 8px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.md-preview code { font-family: var(--font-mono); font-size: 0.9em; }
.md-preview table { border-collapse: collapse; width: 100%; margin: 12px 0; }
.md-preview th, .md-preview td { border: 1px solid var(--border); padding: 6px 10px; }
.md-preview blockquote {
  border-left: 4px solid var(--primary);
  margin: 12px 0;
  padding-left: 12px;
  color: var(--text-secondary);
}
.md-preview img { max-width: 100%; height: auto; }
.md-preview .task { list-style: none; }
body.md-fs .site-header, body.md-fs .site-footer, body.md-fs .adsense-placeholder, body.md-fs .share-bar, body.md-fs .related-tools, body.md-fs .prose.section, body.md-fs .examples, body.md-fs .breadcrumb { display: none !important; }
body.md-fs .tool-workspace { max-width: none; }
@media (max-width: 800px) {
  .md-layout:not(.full-preview) { grid-template-columns: 1fr; }
}