/* ============================================================
   TERRANOVUSS · SPACING, RADII, BORDERS, ELEVATION, MOTION
   Geometric, modular — high information density without clutter.
   ============================================================ */
:root{
  /* Spacing scale · 4px base */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4  */
  --space-2: 0.5rem;    /* 8  */
  --space-3: 0.75rem;   /* 12 */
  --space-4: 1rem;      /* 16 */
  --space-5: 1.25rem;   /* 20 */
  --space-6: 1.5rem;    /* 24 */
  --space-8: 2rem;      /* 32 */
  --space-10:2.5rem;    /* 40 */
  --space-12:3rem;      /* 48 */
  --space-16:4rem;      /* 64 */

  /* Radii — panels are generously rounded (~14px), controls tighter */
  --radius-xs:  4px;
  --radius-sm:  6px;
  --radius-md:  10px;   /* buttons, inputs */
  --radius-lg:  14px;   /* cards, panels */
  --radius-xl:  18px;   /* large containers */
  --radius-pill: 999px;

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

  /* Elevation (dark UI: subtle depth + inner light) */
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.30);
  --shadow-md:  0 6px 20px rgba(0,0,0,0.35);
  --shadow-lg:  0 18px 48px rgba(0,0,0,0.45);
  --shadow-inset-hairline: inset 0 1px 0 rgba(255,255,255,0.05);
  --glow-accent: 0 8px 28px rgba(251,197,88,0.30);

  /* Layout */
  --sidebar-w: 264px; /* @kind spacing */
  --content-max: 1440px; /* @kind spacing */

  /* Motion */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1); /* @kind other */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --dur-fast: 120ms; /* @kind other */
  --dur-med:  200ms; /* @kind other */
  --dur-slow: 320ms; /* @kind other */

  /* Z-index */
  --z-nav: 100;     /* @kind other */
  --z-sticky: 200;  /* @kind other */
  --z-overlay: 900; /* @kind other */
  --z-modal: 1000;  /* @kind other */
  --z-toast: 1100;  /* @kind other */
}