{
  "params": {
    "pattern": {
      "type": "choice",
      "options": [
        "gores",
        "bands",
        "harlequin",
        "sunburst"
      ],
      "default": "gores",
      "label": "Pattern",
      "describe": "Envelope pattern: gores (classic vertical stripes), bands (horizontal rings), harlequin (checkered diamonds), sunburst (a coloured crown with rays running down)."
    },
    "colors": {
      "type": "choice",
      "options": [
        "sunset",
        "sky",
        "meadow",
        "berry",
        "mono"
      ],
      "default": "sunset",
      "label": "Colours",
      "describe": "Colour set: sunset (red, orange, yellow, cream), sky (blue, white, teal), meadow (green, cream, ochre), berry (plum, cream, orange, navy) or mono (charcoal and white with a red accent)."
    },
    "gores": {
      "type": "range",
      "min": 10,
      "max": 24,
      "step": 2,
      "default": 16,
      "label": "Gores",
      "describe": "How many vertical panels make the envelope, 10 to 24. More gores look rounder and give thinner stripes."
    },
    "lit": {
      "type": "toggle",
      "default": true,
      "label": "Burner lit",
      "describe": "Shows the burner flame roaring up into the envelope mouth. Off = burner idle, as when drifting or tethered."
    },
    "size": {
      "type": "range",
      "min": 0.5,
      "max": 1.4,
      "step": 0.05,
      "default": 1,
      "label": "Size",
      "describe": "Uniform scale. 1 is a four-person balloon about 24 m tall with a 17 m envelope; 0.5 is a small one-person hopper; 1.4 a big passenger balloon."
    }
  },
  "presets": {
    "sunrise festival": {
      "pattern": "sunburst",
      "colors": "sunset",
      "gores": 20
    },
    "harlequin": {
      "pattern": "harlequin",
      "colors": "berry",
      "gores": 16
    },
    "quiet drift": {
      "pattern": "bands",
      "colors": "sky",
      "lit": false
    }
  },
  "night": {
    "burner": {
      "zone": "burner",
      "color": "#ffb347",
      "intensity": 2.6,
      "describe": "The burner flame roars orange."
    },
    "glow": {
      "zone": "glow",
      "color": "#ffb36b",
      "intensity": 0.7,
      "describe": "The inside of the envelope mouth glows from the burner."
    }
  }
}