/* ============================================================
   EINS System — Shadows, glows, transitions
   Light cards: soft neutral shadow. Dark world: accent glow.
   ============================================================ */
:root {
  /* ---- Shadows (light cards on dark bg) ---- */
  --shadow-card: 0 8px 24px rgba(4, 12, 26, 0.18);
  --shadow-card-hover: 0 14px 40px rgba(4, 12, 26, 0.28);
  --shadow-raised: 0 2px 8px rgba(4, 12, 26, 0.12);

  /* ---- Glows (accent on dark) ---- */
  --glow-accent: 0 0 0 1px rgba(0, 229, 255, 0.4), 0 8px 30px rgba(0, 188, 212, 0.25);
  --glow-accent-soft: 0 6px 24px rgba(0, 188, 212, 0.18);
  --ring-accent: 0 0 0 3px rgba(0, 229, 255, 0.35);

  /* ---- Transitions ---- */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);   /* @kind other */
  --ease-std: cubic-bezier(0.4, 0, 0.2, 1);     /* @kind other */
  --dur-fast: 120ms;   /* @kind other */
  --dur-base: 200ms;   /* @kind other */
  --dur-slow: 320ms;   /* @kind other */
  --t-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);  /* @kind other */
}