:root{
  /* Shadows are near-invisible. Osnova separates with hairlines first, shadow second. */
  --shadow-none:none;
  --shadow-xs:0 1px 2px rgba(15,18,20,.05);
  --shadow-sm:0 1px 2px rgba(15,18,20,.04), 0 4px 10px -6px rgba(15,18,20,.08);
  --shadow-md:0 1px 2px rgba(15,18,20,.04), 0 10px 28px -14px rgba(15,18,20,.14);
  --shadow-lg:0 2px 4px rgba(15,18,20,.04), 0 28px 64px -28px rgba(15,18,20,.20);
  --shadow-panel:0 32px 80px -32px rgba(15,18,20,.28);
  --shadow-inset-field:inset 0 1px 0 rgba(15,18,20,.03);
  --ring-focus:0 0 0 3px rgba(79,108,130,.28);
  --ring-focus-dark:0 0 0 3px rgba(167,183,194,.32);
}