[whowouldathunk]

Sounds good. Just a word of caution to make sure you're ready for future UI design direction changes:

https://fluent.microsoft.com/

DirectComposition powers a lot of that and I bet web devs will want that kind of stuff too. Notice things like per-element shadows that are lit by global (OS-wide) lights.

[robin_reala]

Everything old is new again: one of the original pre-1.0 proposals for CSS was to have global lights that would affect the colouring of bevelled borders.