[data-theme='dark'],
.dark {
  --helpers-os-appearance: Dark;
  --hue: 157.5;
  --chroma: 0.005;
  --surface: 0.19;
  --elevation-step: 0.025;
  --contrast: 0.5;
  --foreground-lightness: 0.95;
  --muted-foreground-level: 0.8;
  --tertiary-foreground-level: 0.65;
  /* Light default --field-alpha (0.015) disappears on dark plates; dig harder. */
  --field-alpha: 0.12;

  --code-block-5: 13.8deg 89.7% 69.6%;
  --code-block-4: 276.1deg 67.7% 74.5%;
  --code-block-3: 83.8deg 61.7% 63.1%;
  --code-block-2: 33.2deg 90.3% 75.7%;
  --code-block-1: 170.8deg 43.1% 61.4%;

  /* Stepped numeric scales (per-theme literals; mapped in theme.css) */
  --secondary-default: 247.8deg 100% 70%;
  --secondary-400: 248.3deg 54.5% 25.9%;
  --secondary-200: 248deg 53.6% 11%;
  --brand-default: 153.1deg 60.2% 52.7%;
  --brand-600: 154.9deg 59.5% 70%;
  --brand-500: 154.9deg 100% 19.2%;
  --brand-400: 155.5deg 100% 9.6%;
  --brand-300: 155.1deg 100% 8%;
  --brand-200: 162deg 100% 2%;
  --warning-default: 38.9deg 100% 42.9%;
  --warning-600: 38.9deg 100% 42.9%;
  --warning-500: 34.8deg 90.9% 21.6%;
  --warning-400: 33.2deg 100% 14.5%;
  --warning-300: 32.3deg 100% 10.2%;
  --warning-200: 36.6deg 100% 8%;
  --destructive-default: 10.2deg 77.9% 53.9%;
  --destructive-600: 9.7deg 85.2% 62.9%;
  --destructive-500: 7.9deg 71.6% 29%;
  --destructive-400: 6.7deg 60% 20.6%;
  --destructive-300: 7.5deg 51.3% 15.3%;
  --destructive-200: 10.9deg 23.4% 9.2%;
}