When you use the preview page it defaults as bright white which is hurting my eyes, is it possible to default to dark while it's loading please?

The first thing vaelinn will ask is what do you mean by the preview page? Do you mean when you're logged out? Could you post the url(s)?

I do agree that dark mode should be default (and that white mode on this game is particularly brutal). Maybe more of a suggestion than a bug though.