{
  "lexicon": 1,
  "id": "sh.weaver.notebook.colourScheme",
  "defs": {
    "main": {
      "type": "record",
      "description": "A colour palette for notebook theming",
      "key": "tid",
      "record": {
        "type": "object",
        "required": ["name", "variant", "colours"],
        "properties": {
          "name": {
            "type": "string",
            "description": "Human-readable name for the colour scheme"
          },
          "variant": {
            "type": "string",
            "enum": ["dark", "light"],
            "description": "Whether this is a dark or light colour scheme"
          },
          "colours": {
            "type": "object",
            "required": [
              "base", "surface", "overlay",
              "text", "muted", "subtle", "emphasis",
              "primary", "secondary", "tertiary",
              "error", "warning", "success",
              "border", "link", "highlight"
            ],
            "properties": {
              "base": {
                "type": "string",
                "description": "Primary background for page/frame"
              },
              "surface": {
                "type": "string",
                "description": "Secondary background for panels/cards"
              },
              "overlay": {
                "type": "string",
                "description": "Tertiary background for popovers/dialogs"
              },
              "text": {
                "type": "string",
                "description": "Primary readable text colour"
              },
              "muted": {
                "type": "string",
                "description": "De-emphasized text (disabled, metadata)"
              },
              "subtle": {
                "type": "string",
                "description": "Medium emphasis text (comments, labels)"
              },
              "emphasis": {
                "type": "string",
                "description": "Emphasized text (bold, important)"
              },
              "primary": {
                "type": "string",
                "description": "Primary brand/accent colour"
              },
              "secondary": {
                "type": "string",
                "description": "Secondary accent colour"
              },
              "tertiary": {
                "type": "string",
                "description": "Tertiary accent colour"
              },
              "error": {
                "type": "string",
                "description": "Error state colour"
              },
              "warning": {
                "type": "string",
                "description": "Warning state colour"
              },
              "success": {
                "type": "string",
                "description": "Success state colour"
              },
              "border": {
                "type": "string",
                "description": "Border/divider colour"
              },
              "link": {
                "type": "string",
                "description": "Hyperlink colour"
              },
              "highlight": {
                "type": "string",
                "description": "Selection/highlight colour"
              }
            }
          }
        }
      }
    }
  }
}