{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Metis appearance theme",
  "description": "Portable root CSS design variables. Metis additionally validates balanced CSS values and rejects rules, URL/resource functions, scripts, comments, and !important.",
  "type": "object",
  "required": [
    "format",
    "version",
    "name",
    "mode",
    "variables"
  ],
  "properties": {
    "format": {
      "const": "metis-theme"
    },
    "version": {
      "const": 1
    },
    "name": {
      "type": "string",
      "minLength": 1,
      "maxLength": 120,
      "pattern": "\\S"
    },
    "mode": {
      "enum": [
        "dark",
        "light"
      ]
    },
    "variables": {
      "type": "object",
      "maxProperties": 2048,
      "propertyNames": {
        "pattern": "^--(?:[a-zA-Z0-9_-]|[^\\u0000-\\u007f]|\\\\(?:[0-9a-fA-F]{1,6}[\\t\\n\\f\\r ]?|[^\\n\\r\\f0-9a-fA-F]))+$"
      },
      "additionalProperties": {
        "type": "string",
        "minLength": 1,
        "maxLength": 4096
      }
    }
  }
}