/* ==========================================================================
   MOT — Spacing, radius, borders, shadows, layout, motion
   ========================================================================== */

:root {
  /* --- Spacing scale (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 — moderate, clinical, not pill-heavy ---------------------- */
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 999px;

  /* --- Border widths ---------------------------------------------------- */
  --border-hair: 1px;
  --border-thin: 1.5px;
  --border-thick: 2px;
  --border-accent: 4px;   /* left-rule / status accents */

  /* --- Shadows — soft, low, cool-tinted (never heavy) ------------------- */
  --shadow-xs: 0 1px 2px rgba(12, 17, 22, 0.06);
  --shadow-sm: 0 1px 3px rgba(12, 17, 22, 0.08), 0 1px 2px rgba(12, 17, 22, 0.04);
  --shadow-md: 0 4px 12px rgba(12, 17, 22, 0.08), 0 2px 4px rgba(12, 17, 22, 0.04);
  --shadow-lg: 0 12px 28px rgba(12, 17, 22, 0.10), 0 4px 8px rgba(12, 17, 22, 0.05);
  --shadow-focus: 0 0 0 3px rgba(19, 44, 146, 0.30);  /* MOT-blue focus */

  /* --- Layout ----------------------------------------------------------- */
  --container-max: 1200px;
  --container-narrow: 760px;
  --header-height: 72px;

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