When I enter my login credentials and press "Login" all fields light up in red, I have two-factor-authentication enabled on my account so I did enter my 2fa code with my password manager. Thanks and great work you've done so far on the app, it looks so pretty!
Could you try to log in here: https://nemmy-git-big-update-cr4yfish-s-team.vercel.app/auth?
It's the preview website of the next update.