{
  "format": "ttrpg-system",
  "formatVersion": 1,
  "id": "shadowdark",
  "name": "Shadowdark RPG",
  "description": "Minimalist dark fantasy fan schema (mechanical scaffold).",
  "edition": "1e-fan",
  "schemaVersion": 1,
  "revision": 1,
  "bricks": {
    "attributes": [
      { "key": "str", "label": "STR", "scale": "numeric", "min": 3, "max": 18, "default": 10, "category": "physical" },
      { "key": "dex", "label": "DEX", "scale": "numeric", "min": 3, "max": 18, "default": 10, "category": "physical" },
      { "key": "con", "label": "CON", "scale": "numeric", "min": 3, "max": 18, "default": 10, "category": "physical" },
      { "key": "int", "label": "INT", "scale": "numeric", "min": 3, "max": 18, "default": 10, "category": "mental" },
      { "key": "wis", "label": "WIS", "scale": "numeric", "min": 3, "max": 18, "default": 10, "category": "mental" },
      { "key": "cha", "label": "CHA", "scale": "numeric", "min": 3, "max": 18, "default": 10, "category": "social" }
    ],
    "resources": [
      { "key": "hp", "label": "HP", "min": 0, "default": 8, "track": true },
      { "key": "hpMax", "label": "HP Max", "min": 1, "default": 8 }
    ],
    "derived": [
      { "key": "strMod", "label": "STR Mod", "formula": "floor((attr.str - 10) / 2)", "dependsOn": ["attr.str"] },
      { "key": "dexMod", "label": "DEX Mod", "formula": "floor((attr.dex - 10) / 2)", "dependsOn": ["attr.dex"] },
      { "key": "conMod", "label": "CON Mod", "formula": "floor((attr.con - 10) / 2)", "dependsOn": ["attr.con"] }
    ],
    "traits": [
      { "key": "ancestry", "label": "Ancestry" },
      { "key": "class", "label": "Class" }
    ]
  },
  "creationRules": [
    {
      "id": "roll",
      "type": "roll",
      "appliesTo": "attribute",
      "params": { "expr": "3d6", "keys": ["str", "dex", "con", "int", "wis", "cha"], "min": 3, "max": 18 }
    }
  ],
  "sheetLayout": {
    "pageSize": "fluid",
    "grid": { "size": 8 },
    "pages": [
      {
        "id": "main",
        "label": "Main",
        "widgets": [
          { "id": "title", "type": "section", "frame": { "x": 16, "y": 16, "w": 280, "h": 36 }, "props": { "title": "Shadowdark" } },
          { "id": "str", "type": "number", "bind": "attr.str", "frame": { "x": 16, "y": 64, "w": 90, "h": 70 }, "props": { "label": "STR" } },
          { "id": "dex", "type": "number", "bind": "attr.dex", "frame": { "x": 116, "y": 64, "w": 90, "h": 70 }, "props": { "label": "DEX" } },
          { "id": "con", "type": "number", "bind": "attr.con", "frame": { "x": 216, "y": 64, "w": 90, "h": 70 }, "props": { "label": "CON" } },
          { "id": "int", "type": "number", "bind": "attr.int", "frame": { "x": 16, "y": 144, "w": 90, "h": 70 }, "props": { "label": "INT" } },
          { "id": "wis", "type": "number", "bind": "attr.wis", "frame": { "x": 116, "y": 144, "w": 90, "h": 70 }, "props": { "label": "WIS" } },
          { "id": "cha", "type": "number", "bind": "attr.cha", "frame": { "x": 216, "y": 144, "w": 90, "h": 70 }, "props": { "label": "CHA" } },
          { "id": "hp", "type": "track", "bind": "resource.hp", "frame": { "x": 320, "y": 64, "w": 200, "h": 80 }, "props": { "label": "HP", "max": 20 } },
          { "id": "notes", "type": "notes", "bind": "meta.notes", "frame": { "x": 16, "y": 240, "w": 500, "h": 140 } }
        ]
      }
    ]
  }
}