noname1007/Mr.Holmes ? reverse-engineered prompt

Build me a Python app called Mr Holmes that helps with basic OSINT lookups for domains, usernames, and phone numbers. I want it to pull together public info from the web, support Google dork style searches for deeper research, and use proxies so requests can stay anonymous. It should also use a Whois API to gather domain details, and have a simple GUI with dark mode, light mode, and high contrast mode.

Please make it runnable on Linux and Mac, with a separate install script, and keep a configuration file where I can set things like the API key and other options. If possible, include a Termux friendly setup too, but let it clearly note any limitations there, like database features not being available. Use the existing folder structure if helpful, and look up current docs online if you need to.