Candles in glass boxes - perfect combination of cozy and contemporary. Using flameless/electric candles for this would be a good idea to not have to worry about melting wax oozing into the bottom of the glass box and onto the other decorative objects
Bed couch with draws, shared room, space saver. this could go in bedroom area. like the shelves idea, too. can add a light wooden dining table and a few comfy folding chairs to make cool dining area in bedrm space, if bed moves to living room area.