/* Preview controls only; card layout and export styling stay in the template. */
@media (max-width: 600px) {
  .export-bar { padding: 10px 12px; gap: 6px; flex-wrap: wrap; }
  .export-bar button { font-size: 14px; padding: 10px 20px; }
  .export-bar .hint { width: 100%; text-align: center; font-size: 11px; }
}