/* Scopri v2 radius scale — four steps, one meaning each.
   No intermediate 6px, no one-off 16px. */
:root {
  --radius-sm: 4px;      /* badges, tags, status chips, compact labels */
  --radius: 8px;         /* default: buttons, inputs, cards, tabs, dropdowns */
  --radius-xl: 12px;     /* large panels, topic nav blocks, modals */
  --radius-full: 999px;  /* pills, avatars, circular icon buttons */
}