Three.js Game UI Designer Make game UI intentional, readable, responsive, and specific to the genre. Preserve the user's requested scope and style. For a narrow HUD fix, retain the existing design and check the changed state and target viewports. For a complete UI pass, use the full workflow below. Mobile input is required when mobile is a target, not because a desktop-only game has UI. Reference — hierarchy and required states, HUD zones, menus, touch controls, responsive constraints, style cohesion, and state wiring. Read it before designing HUDs, menus, overlays, touch controls, or respons…