{
  "params": {
    "arrangement": {
      "type": "choice",
      "options": [
        "stack",
        "row",
        "mixed"
      ],
      "default": "stack",
      "label": "Arrangement",
      "describe": "stack (books lying flat in a slightly messy pile, big ones at the bottom), row (books standing upright, spines to the front +Z, between two bookends), mixed (a short upright row, a small pile beside it and an open book on top)."
    },
    "count": {
      "type": "range",
      "min": 1,
      "max": 12,
      "step": 1,
      "default": 6,
      "label": "Books",
      "describe": "Number of books, 1 to 12."
    },
    "palette": {
      "type": "choice",
      "options": [
        "classic",
        "bright",
        "pastel",
        "library"
      ],
      "default": "classic",
      "label": "Covers",
      "describe": "Cover colours: classic (oxblood, green and navy leather with gold bands), bright (modern paperback colours), pastel, library (muted cloth bindings with pale spine labels)."
    },
    "seed": {
      "type": "range",
      "min": 1,
      "max": 50,
      "step": 1,
      "default": 5,
      "label": "Seed",
      "describe": "Reshuffles book sizes, thicknesses, colours and how messy the pile is."
    }
  },
  "presets": {
    "wizard tomes": {
      "arrangement": "stack",
      "palette": "classic",
      "count": 5,
      "seed": 11
    },
    "shelf row": {
      "arrangement": "row",
      "palette": "library",
      "count": 10
    },
    "study desk": {
      "arrangement": "mixed",
      "palette": "bright",
      "count": 8,
      "seed": 3
    }
  },
  "night": null
}