:root{
  /* Soft light, warm shadows. Never hard black drop shadows; never neon glows. */
  --shadow-none:none;
  --shadow-hairline:0 0 0 1px var(--border-hairline);
  --shadow-xs:0 1px 2px rgba(51,48,43,.05);
  --shadow-sm:0 2px 8px rgba(51,48,43,.06);
  --shadow-md:0 6px 20px rgba(51,48,43,.07);
  --shadow-lg:0 16px 44px rgba(51,48,43,.10);
  --shadow-xl:0 28px 70px rgba(51,48,43,.13);
  --shadow-inset-hairline:inset 0 0 0 1px var(--border-hairline);
  --focus-ring:0 0 0 2px var(--rese-cream),0 0 0 4px var(--rese-olive);
}