:root{
  --radius-none:0px;
  --radius-xs:6px;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-xl:20px;
  --radius-2xl:28px;
  --radius-pill:999px;
  --radius-circle:50%;

  /* Role aliases — soft and generous. Controls and badges are pills. */
  --radius-control:999px;
  --radius-field:14px;
  --radius-card:20px;
  --radius-panel:28px;
  --radius-badge:999px;
  --radius-avatar:50%;

  --border-width-hairline:1px;
  --border-width-emphasis:1.5px;
  --border-width-focus:2px;
}