@mark-robustelli geometry vibes said in Customize the login screen:
@laurahernandez, Have you tried the advanced theme? You can try to hide the password fields from the login page using custom themes and hiding the password input. This approach is commonly suggested, but it is not foolproof, as users may be able to workaround it if the try and still see default login form with password fields present. Therefore, this is not a fully secure method to disable password logins entirely for all scenarios.
So what will be the safe and correct solution.