{
  "params": {
    "shell": {
      "type": "choice",
      "options": [
        "abyss",
        "coral",
        "basalt",
        "ice",
        "toxic"
      ],
      "default": "abyss",
      "label": "Shell",
      "describe": "Shell colour: abyss (deep red deep-sea crab, gold eyes), coral (bright orange reef crab), basalt (black volcanic shell with ember-orange claw tips and eyes), ice (pale frost-blue, cyan eyes), toxic (swamp green with acid-yellow tips)."
    },
    "spikes": {
      "type": "toggle",
      "default": true,
      "label": "Spikes",
      "describe": "Adds big horn-like spines along the shell rim, a crest of spines down the back and spurs on the legs and claws. Off = a smoother, older, barnacle-crusted shell."
    },
    "clawSize": {
      "type": "range",
      "min": 0.6,
      "max": 1.8,
      "step": 0.05,
      "default": 1,
      "label": "Claw size",
      "describe": "Scales both crushing claws. 0.6 = slim, picking claws; 1 = heavy; 1.8 = absurd boss claws bigger than the shell."
    },
    "size": {
      "type": "range",
      "min": 0.3,
      "max": 2,
      "step": 0.05,
      "default": 1,
      "label": "Size",
      "describe": "Uniform scale. 1 is about 6 m across the legs and 3 m tall (a house-sized kaiju); 0.3 is a 1.8 m giant crab; 2 is a 12 m city-wrecker."
    }
  },
  "presets": {
    "harbour terror": {
      "shell": "abyss",
      "clawSize": 1.5,
      "size": 1.4
    },
    "volcano crab": {
      "shell": "basalt",
      "spikes": true,
      "clawSize": 1.2
    },
    "glacier titan": {
      "shell": "ice",
      "spikes": false,
      "size": 1.8,
      "clawSize": 1.3
    }
  },
  "night": {
    "eye": {
      "zone": "eye",
      "intensity": 1.4,
      "describe": "The eyes on their stalks glow after dark (brightest on basalt, ice and toxic)."
    },
    "ember": {
      "zone": "ember",
      "intensity": 1.2,
      "describe": "Claw tips smoulder: ember orange on basalt, acid yellow on toxic; dark tips stay dark."
    }
  }
}