I've been using Hacki, the app (yes, I know) on mobile which adds a couple of features like separating the comment, upvote, flag etc. functions into a separate swipe-right menu and, more to your point: dark mode. It's a great experience. I wish I could find out whether the author has a patreon because a comforting app like this should not go unrewarded but they are obscure. One thing it misses is a menu point for the active link.
