I also call it bi - but I'm 40, I think younger people are more fluid and open to other labels.

Being straight and being attracted to women who present less femme could just be straight-with-a-preference or -type, could be bi/pan, could be higher on the Kinsey scale, or the existing but niche terms are flixisexual (/romantic), skoliosexual, or could even be androgynesexual, or androsexual (attracted to masculine traits, regardless of birth gender)