Annoncer store selector

A complex structure of pages is hard to navigate AND design. For an application I am designing, there's two modes, which have their own hierarchy of pages (accessible with an overlay menu through the hamburger-button). I designed a store selector, which destinguishes between these modes (admin and kitchen). You either end up in the flow of a kitchen, or the admin-flow.

Tell me what you think! How do you solve a complex navigation challenge? :)