/* Custera — Spacing, radius, shadow, motion tokens
 * Minimalist, rectangular components with minor rounding.
 */
:root {
  /* Spacing — 4px base */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Radius — minor rounding, rectangular feel */
  --radius-none: 0;
  --radius-sm: 2px;
  --radius: 4px;      /* default */
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-pill: 999px;
  --radius-circle: 50%;

  /* Border widths */
  --border-w: 1px;          /* @kind spacing */
  --border-w-thick: 2px;    /* @kind spacing */

  /* Shadows — soft, cool-tinted, restrained */
  --shadow-xs: 0 1px 2px rgba(0, 31, 63, 0.06);
  --shadow-sm: 0 1px 3px rgba(0, 31, 63, 0.08), 0 1px 2px rgba(0, 31, 63, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 31, 63, 0.08), 0 2px 4px rgba(0, 31, 63, 0.04);
  --shadow-lg: 0 12px 28px rgba(0, 31, 63, 0.12), 0 4px 8px rgba(0, 31, 63, 0.05);
  --shadow-focus: 0 0 0 3px var(--focus-ring);

  /* Motion */
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);   /* @kind other */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);     /* @kind other */
  --dur-fast: 120ms;   /* @kind other */
  --dur: 180ms;        /* @kind other */
  --dur-slow: 260ms;   /* @kind other */

  /* Layout */
  --container-max: 1200px;   /* @kind spacing */
}