/* Override Prism for dark mode consistency */
html.dark pre[class*="language-"],
html.dark code[class*="language-"] {
  background: var(--bg-secondary);
  color: #e4e4e7;
  text-shadow: none;
}

/* Copy button for code blocks */
.code-block-wrapper {
  position: relative;
}
.copy-btn {
  position: absolute; top: 8px; right: 8px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 10px; font-size: 0.75rem;
  cursor: pointer; color: var(--text-muted);
  opacity: 0; transition: opacity 0.2s;
}
pre:hover .copy-btn { opacity: 1; }
.copy-btn:hover { color: var(--text); border-color: var(--text-muted); }