:root {
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-pill: 999px;
  --border-hair: 1px;
  --border-thick: 2px;
  --shadow-sm: 0 1px 2px rgba(33,30,27,0.06), 0 1px 3px rgba(33,30,27,0.05);
  --shadow: 0 2px 6px rgba(33,30,27,0.07), 0 8px 20px rgba(33,30,27,0.06);
  --shadow-md: 0 6px 14px rgba(33,30,27,0.09), 0 18px 40px rgba(33,30,27,0.08);
  --shadow-lg: 0 12px 28px rgba(33,30,27,0.12), 0 30px 60px rgba(33,30,27,0.10);
  --shadow-inset: inset 0 1px 2px rgba(33,30,27,0.08);
  --ring: 0 0 0 3px var(--focus-ring);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-inout: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 140ms;
  --dur: 240ms;
  --dur-slow: 520ms;
}