Much of the text (the last few words of each chat bubble) is unreadable in Firefox for Android due to misalignment issues (falls outside the chat bubble).

In both Chrome and Firefox, global dark styles (whether built-in or via Dark Reader) also render the chat bubbles unreadable due to contrast issues (the text color gets set to something very light, but the chat bubble backgrounds remain white).

That sucks because the design otherwise seems cute and fun to me. :(