{
  "version": 8,
  "name": "OSM Raster + OpenSeaMap",
  "glyphs": "https://demotiles.maplibre.org/font/{fontstack}/{range}.pbf",
  "sources": {
    "osm": {
      "type": "raster",
      "tiles": ["https://tile.openstreetmap.org/{z}/{x}/{y}.png"],
      "tileSize": 256,
      "attribution": "© OpenStreetMap contributors"
    },
    "seamark": {
      "type": "raster",
      "tiles": ["https://tiles.openseamap.org/seamark/{z}/{x}/{y}.png"],
      "tileSize": 256,
      "attribution": "© OpenSeaMap contributors"
    }
  },
  "layers": [
    { "id": "osm", "type": "raster", "source": "osm" },
    {
      "id": "seamark",
      "type": "raster",
      "source": "seamark",
      "paint": { "raster-opacity": 0.85 }
    }
  ]
}