Ronaldoneisnes/LithiumNukerV2 ? reverse-engineered prompt

Build me a Windows desktop app that looks like the old Lithium Nuker V2 interface, but make it completely harmless for testing and learning.

I want the same kind of fast, dark themed Discord style UI with a banner, buttons, tabs, and status areas, plus a clean layout that feels like the archived project. The app should let me type in fake server and account details, switch between a few actions, and see mock results in the interface, but it must not connect to Discord or perform any destructive actions. Just simulate what would happen, show logs, and make it feel responsive and polished.

Use the existing image and font assets if they help the look, and keep the code easy to edit so I can change labels, colors, and screens later. If you need anything from current docs or libraries, look it up online first.