Examine source code of Gloam — Dark Theme for Claude Design

{
  "manifest_version": 3,
  "name": "Gloam — Dark Theme for Claude Design",
  "version": "0.1.0",
  "description": "Minimal dark theme for the Claude Design native panels. The design preview is left pixel-for-pixel untouched. Toggle on/off from the toolbar.",
  "author": "Nikolay Tuzov",
  "homepage_url": "https://github.com/justskiv/gloam-claude-design",
  "browser_specific_settings": {
    "gecko": {
      "id": "gloam-claude-design@skiv",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "32": "icons/icon.svg",
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "permissions": [
    "storage"
  ],
  "action": {
    "default_title": "Gloam: toggle Claude Design dark theme",
    "default_icon": {
      "32": "icons/icon.svg",
      "48": "icons/icon.svg",
      "96": "icons/icon.svg"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://claude.ai/design*"
      ],
      "run_at": "document_start",
      "all_frames": true,
      "css": [
        "dark.css"
      ],
      "js": [
        "color.js",
        "content.js"
      ]
    }
  ]
}