:root{
  /* Crisp, editorial. Large radii read as consumer-app, not society. */
  --ts-radius-none:0px;
  --ts-radius-xs:2px;
  --ts-radius-sm:4px;    /* default for cards, inputs, images */
  --ts-radius-md:8px;
  --ts-radius-lg:14px;
  --ts-radius-sheet:18px; /* bottom sheets — top corners only */
  --ts-radius-pill:999px; /* filter chips and tags only */

  --ts-hairline:1px;
  --ts-rule:1px;
}