/* ============================================================
   Spike Academy — Spacing, radius, shadow, layout tokens
   4px base grid.
   ============================================================ */

:root {
  /* ---- Spacing scale (4px base) ---- */
  --space-0:   0;
  --space-1:   0.25rem;  /* 4 */
  --space-2:   0.5rem;   /* 8 */
  --space-3:   0.75rem;  /* 12 */
  --space-4:   1rem;     /* 16 */
  --space-5:   1.25rem;  /* 20 */
  --space-6:   1.5rem;   /* 24 */
  --space-8:   2rem;     /* 32 */
  --space-10:  2.5rem;   /* 40 */
  --space-12:  3rem;     /* 48 */
  --space-16:  4rem;     /* 64 */
  --space-20:  5rem;     /* 80 */
  --space-24:  6rem;     /* 96 */
  --space-32:  8rem;     /* 128 */

  /* ---- Radii ---- */
  --radius-xs:   4px;
  --radius-sm:   6px;
  --radius-md:   10px;   /* default control radius */
  --radius-lg:   14px;   /* cards */
  --radius-xl:   20px;
  --radius-2xl:  28px;   /* large feature panels */
  --radius-pill: 999px;  /* tags, pills, avatars */

  /* ---- Shadows (warm-tinted, soft) ---- */
  --shadow-xs:  0 1px 2px rgba(28, 26, 22, 0.06);
  --shadow-sm:  0 1px 3px rgba(28, 26, 22, 0.08), 0 1px 2px rgba(28, 26, 22, 0.05);
  --shadow-md:  0 4px 12px rgba(28, 26, 22, 0.08), 0 2px 4px rgba(28, 26, 22, 0.05);
  --shadow-lg:  0 12px 28px rgba(28, 26, 22, 0.10), 0 4px 10px rgba(28, 26, 22, 0.06);
  --shadow-xl:  0 24px 56px rgba(28, 26, 22, 0.14);
  --shadow-brand: 0 8px 22px rgba(241, 144, 32, 0.30);
  --shadow-focus: 0 0 0 3px rgba(245, 162, 62, 0.45);

  /* ---- Motion ---- */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);   /* @kind other */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1);  /* @kind other */
  --dur-fast:      120ms;   /* @kind other */
  --dur-normal:    200ms;   /* @kind other */
  --dur-slow:      320ms;   /* @kind other */

  /* ---- Layout ---- */
  --container-sm:  640px;
  --container-md:  840px;
  --container-lg:  1080px;
  --container-xl:  1280px;
  --container-max: 1440px;
  --border-width:  1px;     /* @kind other */
}