{
  "$description": "Nexus ReGen design tokens — W3C design-tokens format",
  "color": {
    "brand": {
      "25":  { "$value": "#F8F9FC", "$type": "color" },
      "50":  { "$value": "#F1F2F9", "$type": "color" },
      "100": { "$value": "#DDDFE9", "$type": "color" },
      "200": { "$value": "#B4B7D4", "$type": "color" },
      "300": { "$value": "#8488B6", "$type": "color" },
      "400": { "$value": "#5558A0", "$type": "color" },
      "500": { "$value": "#2A2D78", "$type": "color" },
      "600": { "$value": "#121541", "$type": "color", "$description": "Penn Blue — primary anchor" },
      "700": { "$value": "#0E1034", "$type": "color" },
      "800": { "$value": "#0A0C28", "$type": "color" },
      "900": { "$value": "#06081C", "$type": "color" },
      "950": { "$value": "#03040E", "$type": "color" }
    },
    "accent": {
      "25":  { "$value": "#FFFDE8", "$type": "color" },
      "50":  { "$value": "#FEF8B8", "$type": "color" },
      "100": { "$value": "#FDF17D", "$type": "color" },
      "200": { "$value": "#FCEB55", "$type": "color" },
      "300": { "$value": "#FDE033", "$type": "color" },
      "400": { "$value": "#F7EC33", "$type": "color", "$description": "Aureolin — primary accent" },
      "500": { "$value": "#E0D420", "$type": "color" },
      "600": { "$value": "#B8AC10", "$type": "color" },
      "700": { "$value": "#8A7F0A", "$type": "color" },
      "800": { "$value": "#5A5405", "$type": "color" },
      "900": { "$value": "#2E2B02", "$type": "color" }
    },
    "neutral": {
      "25":  { "$value": "#FCFCFD", "$type": "color" },
      "50":  { "$value": "#F9FAFB", "$type": "color" },
      "100": { "$value": "#F2F4F7", "$type": "color" },
      "200": { "$value": "#EAECF0", "$type": "color" },
      "300": { "$value": "#D0D5DD", "$type": "color" },
      "400": { "$value": "#98A2B3", "$type": "color" },
      "500": { "$value": "#667085", "$type": "color" },
      "600": { "$value": "#475467", "$type": "color" },
      "700": { "$value": "#344054", "$type": "color" },
      "800": { "$value": "#1D2939", "$type": "color" },
      "900": { "$value": "#101828", "$type": "color" },
      "950": { "$value": "#0C111D", "$type": "color" }
    },
    "semantic": {
      "success-500": { "$value": "#17B26A", "$type": "color" },
      "warning-500": { "$value": "#F79009", "$type": "color" },
      "error-500":   { "$value": "#F04438", "$type": "color" }
    },
    "supporting": {
      "dodger-blue": { "$value": "#1E96FC", "$type": "color", "$description": "Data · links" },
      "signal-red":  { "$value": "#FF331F", "$type": "color", "$description": "Destructive" },
      "pine-green":  { "$value": "#17301C", "$type": "color", "$description": "Success (dark)" },
      "humus":       { "$value": "#484538", "$type": "color", "$description": "Earthy neutral" }
    },
    "surface": {
      "$description": "Semantic surface tokens — light theme",
      "bg-primary":      { "$value": "#FFFFFF", "$type": "color" },
      "bg-secondary":    { "$value": "#F9FAFB", "$type": "color" },
      "bg-tertiary":     { "$value": "#F2F4F7", "$type": "color" },
      "bg-canvas":       { "$value": "#FCFCFD", "$type": "color" },
      "bg-brand-solid":  { "$value": "#121541", "$type": "color" },
      "bg-brand-subtle": { "$value": "#F1F2F9", "$type": "color" },
      "text-primary":    { "$value": "#101828", "$type": "color" },
      "text-secondary":  { "$value": "#344054", "$type": "color" },
      "text-tertiary":   { "$value": "#475467", "$type": "color" },
      "text-quaternary": { "$value": "#667085", "$type": "color" },
      "text-brand":      { "$value": "#121541", "$type": "color" },
      "text-on-brand":   { "$value": "#FFFFFF", "$type": "color" },
      "border-primary":   { "$value": "#D0D5DD", "$type": "color" },
      "border-secondary": { "$value": "#EAECF0", "$type": "color" },
      "border-tertiary":  { "$value": "#F2F4F7", "$type": "color" },
      "border-brand":     { "$value": "#2A2D78", "$type": "color" }
    },
    "surfaceDark": {
      "$description": "Semantic surface tokens — dark theme",
      "bg-primary":      { "$value": "#03040E", "$type": "color" },
      "bg-secondary":    { "$value": "#06081C", "$type": "color" },
      "bg-tertiary":     { "$value": "#0A0C28", "$type": "color" },
      "bg-canvas":       { "$value": "#02030A", "$type": "color" },
      "bg-brand-solid":  { "$value": "#2A2D78", "$type": "color" },
      "bg-brand-subtle": { "$value": "#0A0C28", "$type": "color" },
      "text-primary":    { "$value": "#FFFFFF", "$type": "color" },
      "text-secondary":  { "$value": "#DDDFE9", "$type": "color" },
      "text-tertiary":   { "$value": "#B4B7D4", "$type": "color" },
      "text-quaternary": { "$value": "#8488B6", "$type": "color" },
      "text-brand":      { "$value": "#F7EC33", "$type": "color" },
      "text-on-brand":   { "$value": "#FFFFFF", "$type": "color" },
      "border-primary":   { "$value": "#0E1034", "$type": "color" },
      "border-secondary": { "$value": "#0A0C28", "$type": "color" },
      "border-tertiary":  { "$value": "#06081C", "$type": "color" },
      "border-brand":     { "$value": "#F7EC33", "$type": "color" }
    }
  },
  "font": {
    "body":            { "$value": "'Inter', -apple-system, 'Segoe UI', Roboto, Arial, sans-serif", "$type": "fontFamily", "$description": "Default body font (Origin variant)" },
    "mono":            { "$value": "'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace", "$type": "fontFamily" },
    "display-refine":  { "$value": "'Fraunces', Georgia, 'Times New Roman', serif", "$type": "fontFamily", "$description": "Display face used by the Refine variant" },
    "display-horizon": { "$value": "'Space Grotesk', -apple-system, 'Segoe UI', Roboto, Arial, sans-serif", "$type": "fontFamily", "$description": "Display & body face used by the Horizon variant" }
  },
  "radius": {
    "xs":   { "$value": "2px",    "$type": "dimension" },
    "sm":   { "$value": "4px",    "$type": "dimension" },
    "md":   { "$value": "6px",    "$type": "dimension" },
    "lg":   { "$value": "8px",    "$type": "dimension" },
    "xl":   { "$value": "12px",   "$type": "dimension" },
    "2xl":  { "$value": "16px",   "$type": "dimension" },
    "3xl":  { "$value": "24px",   "$type": "dimension" },
    "full": { "$value": "9999px", "$type": "dimension" }
  },
  "spacing": {
    "1":  { "$value": "4px",  "$type": "dimension" },
    "2":  { "$value": "8px",  "$type": "dimension" },
    "3":  { "$value": "12px", "$type": "dimension" },
    "4":  { "$value": "16px", "$type": "dimension" },
    "5":  { "$value": "20px", "$type": "dimension" },
    "6":  { "$value": "24px", "$type": "dimension" },
    "8":  { "$value": "32px", "$type": "dimension" },
    "10": { "$value": "40px", "$type": "dimension" },
    "12": { "$value": "48px", "$type": "dimension" },
    "16": { "$value": "64px", "$type": "dimension" },
    "20": { "$value": "80px", "$type": "dimension" },
    "24": { "$value": "96px", "$type": "dimension" }
  },
  "shadow": {
    "xs":  { "$value": "0 1px 2px rgba(16,24,40,.05)", "$type": "shadow" },
    "sm":  { "$value": "0 1px 3px rgba(16,24,40,.10), 0 1px 2px -1px rgba(16,24,40,.10)", "$type": "shadow" },
    "md":  { "$value": "0 4px 6px -1px rgba(16,24,40,.08), 0 2px 4px -2px rgba(16,24,40,.06)", "$type": "shadow" },
    "lg":  { "$value": "0 12px 16px -4px rgba(16,24,40,.08), 0 4px 6px -2px rgba(16,24,40,.03)", "$type": "shadow" },
    "xl":  { "$value": "0 20px 24px -4px rgba(16,24,40,.08), 0 8px 8px -4px rgba(16,24,40,.03)", "$type": "shadow" },
    "2xl": { "$value": "0 24px 48px -12px rgba(16,24,40,.18)", "$type": "shadow" },
    "3xl": { "$value": "0 32px 64px -12px rgba(16,24,40,.14)", "$type": "shadow" }
  }
}