Suggestion: Dark mode, especially in Neo Reader

What I am really missing on my Onyx devices is a dark mode. I would love to have one on the operating system level. However, the really important thing for me is to have a dark mode in the Neo Reader. Could this be implemented?

I’m not a fan of dark modes on e-ink, but it’s an option on my preferred reader on my Boox (Moon+ Reader).

I think dark mode will be more intensive on battery consumption. But since you’re fan of it, you may use another reader such as Librera or Moon+. I don’t think it can be applied on a system level.