Yes - can this be done?? Answer - probably not, because Wix is plain dumb. But if any of their fine staff would like to correct me, I would be overjoyed.
This forum specialises with wix code product, please contact firstname.lastname@example.org as they can help you best.
This post specialises in the login page which is related to the wix code product, please contact the relevant users here at https://www.wix.com/code, as they need your help the most.
As much as we would like to help, the Members Area app is not a part of the Wix Code product.
As Or said, in order to get help - please contact the Wix Support Center.