/* ============================================================
   DNEYE — ELEVATION & MOTION TOKENS
   Shadows are restrained and cool-tinted; clinical software
   favours hairline borders over heavy drop shadows.
   ============================================================ */

:root {
  /* ---- Shadows (cool, low-spread) ---- */
  --shadow-none: none;
  --shadow-xs: 0 1px 1px rgba(10, 14, 20, 0.04);
  --shadow-sm: 0 1px 2px rgba(10, 14, 20, 0.06), 0 1px 1px rgba(10, 14, 20, 0.04);
  --shadow-md: 0 4px 12px -2px rgba(10, 14, 20, 0.08), 0 2px 4px -2px rgba(10, 14, 20, 0.06);
  --shadow-lg: 0 12px 28px -6px rgba(10, 14, 20, 0.14), 0 4px 10px -4px rgba(10, 14, 20, 0.08);
  --shadow-xl: 0 24px 56px -12px rgba(10, 14, 20, 0.22), 0 8px 18px -8px rgba(10, 14, 20, 0.12);

  /* glow used sparingly on accent / focus in dark scope */
  --glow-helix: 0 0 0 1px rgba(10, 166, 160, 0.4), 0 0 24px -4px rgba(10, 166, 160, 0.35);

  /* ---- Motion ---- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);      /* @kind other */
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);  /* @kind other */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);  /* @kind other */

  --dur-instant: 80ms;   /* @kind other */
  --dur-fast: 140ms;     /* @kind other */
  --dur-base: 220ms;     /* @kind other */
  --dur-slow: 360ms;     /* @kind other */
  --dur-slower: 600ms;   /* @kind other */
}