/* Datavid — Spacing, radius, shadow, layout tokens.
 * Visual language is flat and clean (the style guide forbids heavy 3D/shadows),
 * so elevation is expressed with soft, low-spread shadows and hairline borders.
 */
:root {
  /* Spacing — 4px base scale */
  --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:  2.5rem;   /* 40 */
  --space-8:  3rem;     /* 48 */
  --space-9:  4rem;     /* 64 */
  --space-10: 5rem;     /* 80 */
  --space-12: 7.5rem;   /* 120 */

  /* Radius — rounded but not pill-soft (chips/buttons are capsule) */
  --radius-xs:  4px;
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  20px;
  --radius-2xl: 28px;
  --radius-pill: 999px;
  --radius-card: var(--radius-lg);

  /* Borders */
  --border-width: 1px;
  --border-width-strong: 1.5px;

  /* Shadows — soft, cool-tinted, low elevation */
  --shadow-xs: 0 1px 2px rgba(17, 33, 71, 0.06);
  --shadow-sm: 0 1px 3px rgba(17, 33, 71, 0.08), 0 1px 2px rgba(17, 33, 71, 0.04);
  --shadow-md: 0 6px 18px rgba(17, 33, 71, 0.08), 0 2px 6px rgba(17, 33, 71, 0.05);
  --shadow-lg: 0 18px 44px rgba(17, 33, 71, 0.12), 0 6px 14px rgba(17, 33, 71, 0.06);
  --shadow-focus: 0 0 0 3px var(--focus-ring);

  /* Motion — calm, professional (no bounce) */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1); /* @kind other */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --duration-fast: 120ms; /* @kind other */
  --duration-base: 200ms; /* @kind other */
  --duration-slow: 320ms; /* @kind other */

  /* Layout */
  --container-sm: 640px;
  --container-md: 880px;
  --container-lg: 1120px;
  --container-xl: 1320px;
  --gutter: var(--space-5);
}