I would extend the study and make it a home gym and make Bedroom a hidden room and remove the formal dining and living room to reduce square footage
Pool bath attached to bedroom Architectural Designs 4 Bed Modern Southern House Plan looks great on the outside. And spectacular inside as well. Check out interior photos online.
Contemporary Style House Plans - 1318 Square Foot Home , 2 Story, 3 Bedroom and 3 Bath, 2 Garage Stalls by Monster House Plans - Plan