It works on dark theme (I use only dark).
On dark it’s light (white) text on dark green background, and it looks fine (I would prefer black or similar, but this works).
Your edit breaks dark design because you get white/grey background.
I can’t read shit on comments now with the script that colors comments based on federation
This is how it looks for me
My font is black with that script. It’s likely another script messing with this. I’ll investigate.