idling
## Current Features
- 3D render of the solar system with rotating camera and zoom in and out integration
- Earth, Moon, and Mars gameplay states with separate inventories and progression
- Tier-based production chains with unlock requirements between recipe tiers
- Manual production plus timed production progress
- Production level upgrades and speed upgrades
- Planet exploitation research for unlocking Moon and Mars
- Automation research per discovered recipe
- Transport routes that ship resources from other planets back to Earth
- Sell-all economy loop on Earth
- In-game HUD with tabs for Production, Research, Logistics, and Resources
- Planet selector tied to the solar system view
- Solar system scene with focus controls for Sun, Earth, Moon, Mars, and decorative outer planets
- Menu states for dock left/right, minimize, and expanded mode
- Cheat toggle and quick money injection for testing
## TODO
## TODO
- End game with Skill tree (POE style) creating a satisfying loop
- Other start system at endgame
- UI tweaks and polish for the HUD, planet menus, solar map layout, and overall readability
- Replace temporary emoji resource icons with final sprites and art assets
- Replace temporary or placeholder planet/UI sprites where needed
- Add sound design, UI audio feedback, and gameplay effects
- Add more visual effects for production, research, transport, and planet interaction