Dynamically hide a button/object based on a field

This isn’t maybe the most sophisticated example, but I used ASharp-J’s “Dynamic menus and ‘Single Select’ as buttons” custom widget to build a nested Facility → Product → Process selector to load PDFs, with most of the widget able to be hidden by a button that changes ‘style.display’ to ‘none’

It looks great while hidden, but it creates a dead space underneath it (purple) where you can’t interact with the PDF, and that’s a little confusing. Would be nice to be able to toggle it at the editor level, or shuffle the z-level, or something, to be able to click through to the blocked element. (: