Custom login and accountNavBar help

A couple issues, I followed the guides on https://support.totallycodable.com/ to create a custom login lightbox and a custom registration lightbox. Both of those are working as expected.

The first issue is I would like to get rid of the default accountNavBar because it doesn’t play well with the custom lightboxes I created. However, I do like how it has the username up there once the user is logged in. It’s also a nice place for a logoff button. @Mike Moynihan hints to it in this thread (https://www.wix.com/code/home/forum/community-discussion/redirect-on-specific-users-login-or-custom-form-on-specific-users) but I don’t quite follow how to do it.

Secondly, is there a way to bypass the login lightbox if the user is already logged in when they select the login button and maybe redirect to another page? If not maybe even a message that is generated saying that you’re already logged in or something?

Lastly, I created a couple members only pages but when I try to navigate to them (without being logged in) it takes me to the default Wix login instead of my custom login page. Anyway around this?