/* Data Science Lab — spacing, radius, shadow, motion */
:root {
  /* Spacing — 4px base */
  --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;

  /* Radii — soft but restrained; the cloud mark is round, UI stays crisp */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 999px;

  /* Shadows — cool blue-tinted, very light */
  --shadow-sm: 0 1px 2px rgba(28, 44, 80, 0.06);
  --shadow-md: 0 2px 8px rgba(28, 44, 80, 0.08);
  --shadow-lg: 0 8px 24px rgba(28, 44, 80, 0.12);
  --shadow-overlay: 0 16px 48px rgba(28, 44, 80, 0.18);

  /* Motion — quick, quiet */
  --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 */
}