Ionic2 may take a bit of a learning curve, since they've redid a lot of how Angular2 works, but once you get used to it, it's really fantastic ...
To add scss to components is very simple, you just drop it into the folder with your TS / html, and the gulp ion assembly process takes care of the rest. So just kill this line for styleUrls and everything will be ready.
He does; however, a jack with css inheritance, so you need to be careful how you set it up.