Sam2 – you are correct. However, see Kaf Hachaim(116:35) who requires a haiker between liver and fish – just like a haiker is required between milk and meat in Y.D. Siman 88.
Sparkly – As you can see, Tznius is a complicated subject. The easiest thing to do is to find a synagogue where you feel comfortable and dress in a way that makes you feel like you fit in. Eventually, you need to learn through all these halachos, but for right now, doing it this way makes life simple.