/* ============================================================
   Six30Labs — Spacing, radii, shadows, motion
   8px base grid.
   ============================================================ */
:root {
  /* Spacing 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: 6rem;     /* 96 */

  /* Radii — rounded/geometric, friendly but corporate */
  --radius-xs:   4px;
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   14px;
  --radius-xl:   20px;
  --radius-2xl:  28px;
  --radius-pill: 999px;
  --radius-full: 9999px;

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

  /* Elevation — soft, cool-tinted shadows */
  --shadow-xs:  0 1px 2px rgba(18, 24, 25, 0.06);
  --shadow-sm:  0 1px 2px rgba(18, 24, 25, 0.06), 0 2px 6px rgba(18, 24, 25, 0.05);
  --shadow-md:  0 4px 12px rgba(18, 24, 25, 0.08), 0 2px 4px rgba(18, 24, 25, 0.05);
  --shadow-lg:  0 12px 28px rgba(18, 24, 25, 0.10), 0 4px 10px rgba(18, 24, 25, 0.05);
  --shadow-xl:  0 24px 56px rgba(18, 24, 25, 0.14), 0 8px 20px rgba(18, 24, 25, 0.06);
  --shadow-brand: 0 8px 24px rgba(4, 79, 86, 0.22);

  /* Focus ring */
  --focus-ring: 0 0 0 3px var(--ring);

  /* Z-index scale */
  --z-base:     1;    /* @kind other */
  --z-dropdown: 1000; /* @kind other */
  --z-sticky:   1100; /* @kind other */
  --z-overlay:  1200; /* @kind other */
  --z-modal:    1300; /* @kind other */
  --z-toast:    1400; /* @kind other */
  --z-tooltip:  1500; /* @kind other */

  /* Motion — restrained, professional easing */
  --ease-standard:  cubic-bezier(0.2, 0, 0, 1);   /* @kind other */
  --ease-out:       cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --ease-in:        cubic-bezier(0.4, 0, 1, 1);    /* @kind other */
  --duration-fast:   120ms; /* @kind other */
  --duration-normal: 200ms; /* @kind other */
  --duration-slow:   320ms; /* @kind other */
}