I've also been using Ionic for a little over a month. So far, it's been an excellent framework for quickly getting up and running. I really haven't had many hiccups and in the rare case I do, the documentation is very helpful (and well designed).
In regards to the CSS, I find myself customizing more and more of it as time goes on. I think that's to be expected. The important thing is Ionic provides a solid foundation to build on. I'm thus able to focus on the design right away instead of getting stuck in the weeds.
Pacifica is made up of quick, engaging exercises designed to reduce anxiety over time.