/* Keep the complete control panel visible beside the 3D scene at desktop sizes. */
@media (min-width: 761px) {
  .panel { padding: 18px 20px 14px; }
  .panel h1 { font-size: clamp(24px, 2.4vw, 31px); margin: 5px 0 6px; white-space: normal; text-wrap: balance; overflow-wrap: break-word; }
  .intro { font-size: 13px; line-height: 1.4; margin-bottom: 11px; }
  .stats { margin-bottom: 12px; }
  .stats span { padding: 8px; font-size: 10px; }
  .stats b { font-size: 18px; margin-bottom: 3px; }
  .panel h2, .stack-label { font-size: 11px; margin: 13px 0 7px; }
  .choices { gap: 5px; }
  .choices button { padding: 8px 9px; font-size: 12px; }
  .legend, .subtle { font-size: 11px; line-height: 1.4; margin-top: 7px; }
  .blocks { gap: 4px; }
  .blocks button { padding: 7px 2px; font-size: 15px; }
  .blocks button small { font-size: 9px; margin-top: 2px; }
  .stack-label { margin-top: 11px; margin-bottom: 5px; }
  select { padding: 7px 8px; font-size: 13px; }
  .selection { min-height: 0; margin-top: 11px; padding: 10px; font-size: 12px; line-height: 1.4; }
  .selection strong { font-size: 16px; }
  .selection .meta { font-size: 11px; }
  .selection p { margin-top: 4px; }
  .caveat { font-size: 11px; line-height: 1.3; margin-top: 8px; }
}