Master Anesthesia

Fixed a crash that could close the app shortly after opening.

The navigation bar is smoother — no bounce, no getting stuck on the wrong colour — and Menu is now Index, with a cleaner layout that follows your light/dark setting.

Lesson tables now render as real tables instead of stacked lines, and lesson lists show which module they're from.

Calculator: the profile list sizes correctly and its colours match the header. Favorites shows profiles under a calculator icon.