I installed Edge Inspect today and had to discover that CSS rules dependent on media queries are not even shown in the debug app, when they are not in an external 'own' CSS file. I simply can't believe this and would like to have an official confirmation for that.
In my opinion this makes the complete tool absolutely useless.
Most actual recommodations for modern CSS architecture do not work with several CSS files but just one. More than that a modular encapsulation of elements with *all* styles including media queries for one element in one place is advised.
I don't think it is a viable option to ask developers to work with a certain, partly outdated process in order to use an application.