:root{
  /* Core tokens (do not overwrite per page; category themes override these vars) */
  --radius: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-soft: 0 12px 38px rgba(0,0,0,.20);
  --shadow-subtle: 0 10px 30px rgba(0,0,0,.14);
}