/* ============================================================
   EFFECTS — radii, borders, shadows, motion.
   Squared or lightly-rounded corners. Restrained motion.
   ============================================================ */
:root {
  /* Corner radii — squared / lightly rounded */
  --radius-0:  0;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-pill: 999px;

  /* Hairlines / borders */
  --border-width: 1px; /* @kind spacing */
  --border-hairline: 1px solid var(--border); /* @kind other */

  /* Shadows — restrained, cool-tinted to sit on paper */
  --shadow-xs: 0 1px 2px rgba(21, 32, 29, 0.06);
  --shadow-sm: 0 2px 6px rgba(21, 32, 29, 0.08);
  --shadow-md: 0 6px 20px rgba(21, 32, 29, 0.10);
  --shadow-lg: 0 16px 48px rgba(21, 32, 29, 0.14);

  /* Motion — restrained, confident */
  --ease-standard: cubic-bezier(0.4, 0.0, 0.2, 1); /* @kind other */
  --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1); /* @kind other */
  --dur-fast: 120ms; /* @kind other */
  --dur-base: 200ms; /* @kind other */
  --dur-slow: 360ms; /* @kind other */
}