/* =========================================================================
   LUI — Spacing, radius, borders, elevation, motion, layout
   The deck is editorial and flat: rectangular panels, hairline rules, no
   shadows. Radii are restrained; shadows below are a functional UI layer
   (for web/app surfaces) tinted with the brand teal so they read on-brand.
   ========================================================================= */
:root {
  /* ---- Spacing (4px base grid) ---- */
  --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;
  --space-32: 128px;

  /* ---- Radius (squared/editorial by default; pill for actions) ---- */
  --radius-none: 0;
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   14px;
  --radius-xl:   22px;
  --radius-pill: 999px;

  /* ---- Borders ---- */
  --border-w:       1px;
  --border-w-thick: 2px;

  /* ---- Elevation (teal-tinted, restrained) ---- */
  --shadow-xs: 0 1px 2px rgba(4, 82, 101, 0.06);
  --shadow-sm: 0 2px 8px rgba(4, 82, 101, 0.08);
  --shadow-md: 0 10px 26px rgba(4, 82, 101, 0.10);
  --shadow-lg: 0 22px 50px rgba(4, 82, 101, 0.14);
  --shadow-inset: inset 0 0 0 1px rgba(4, 82, 101, 0.06);

  /* ---- Motion (calm, precise — no bounce) ---- */
  --ease-standard:   cubic-bezier(0.22, 0.61, 0.36, 1);  /* @kind other */
  --ease-emphasized: cubic-bezier(0.2, 0.8, 0.2, 1);      /* @kind other */
  --dur-fast: 140ms;  /* @kind other */
  --dur-med:  240ms;  /* @kind other */
  --dur-slow: 420ms;  /* @kind other */

  /* ---- Layout ---- */
  --container:      1200px;
  --container-wide: 1360px;
  --container-text: 720px;
  --gutter:         24px;
}