/* LifenLearn — Spacing, radius, shadow, layout tokens */
: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: 1.5rem;   /* 24 */
  --space-6: 2rem;     /* 32 */
  --space-7: 3rem;     /* 48 */
  --space-8: 4rem;     /* 64 */
  --space-9: 6rem;     /* 96 */

  /* Radii — soft, rounded, calm */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;   /* default card */
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* Shadows — soft, low-contrast, violet-tinted ambient */
  --shadow-xs: 0 1px 2px rgba(26, 21, 35, 0.06);
  --shadow-sm: 0 2px 8px rgba(26, 21, 35, 0.07);
  --shadow-md: 0 6px 20px rgba(26, 21, 35, 0.08);
  --shadow-lg: 0 16px 40px rgba(52, 0, 79, 0.12);
  --shadow-brand: 0 10px 30px rgba(144, 0, 240, 0.22);

  /* Layout */
  --container: 1120px;
  --container-narrow: 720px; /* article measure */
  --header-h: 72px;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1); /* @kind other */
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1); /* @kind other */
  --dur-fast: 120ms; /* @kind other */
  --dur-base: 220ms; /* @kind other */
  --dur-slow: 400ms; /* @kind other */
}