/* Arkos — Spacing, radii, shadows, motion, layout
   Modular 4px base grid. Corners stay crisp & geometric (the brand is
   "estructurada / modular"), so radii are restrained. */

: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;
  --space-32: 128px;

  /* ---- Radii (restrained, geometric) ---- */
  --radius-none: 0;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-pill: 999px;

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

  /* ---- Shadows (cool, low-spread, precise — never fluffy) ---- */
  --shadow-xs: 0 1px 2px rgba(3, 5, 5, 0.06);
  --shadow-sm: 0 1px 3px rgba(3, 5, 5, 0.08), 0 1px 2px rgba(3, 5, 5, 0.04);
  --shadow-md: 0 4px 12px rgba(3, 5, 5, 0.08), 0 2px 4px rgba(3, 5, 5, 0.04);
  --shadow-lg: 0 12px 28px rgba(3, 5, 5, 0.12), 0 4px 8px rgba(3, 5, 5, 0.05);
  --shadow-xl: 0 24px 56px rgba(3, 5, 5, 0.16), 0 8px 16px rgba(3, 5, 5, 0.06);
  --shadow-accent: 0 8px 24px rgba(255, 59, 31, 0.28);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.06);

  /* ---- Motion (precise, no bounce — ease-out led) ---- */
  --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 */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);     /* @kind other */
  --dur-fast: 120ms;   /* @kind other */
  --dur-base: 200ms;   /* @kind other */
  --dur-slow: 360ms;   /* @kind other */

  /* ---- Layout ---- */
  --container-sm: 640px;     /* @kind spacing */
  --container-md: 880px;     /* @kind spacing */
  --container-lg: 1120px;    /* @kind spacing */
  --container-xl: 1320px;    /* @kind spacing */
  --sidebar-width: 264px;    /* @kind spacing */
  --topbar-height: 60px;     /* @kind spacing */
}