Stargirl looks good. As I watched the trailer for the new CW Greg Berlanti-produced DC superhero drama, I couldn't stop marveling (no pun intended) at its strong visual grammar, its handsome cinematography, its damn color correction! The thing feels like a movie, you know? This is not to denigrate any of Berlanti's influential, acclaimed work on the current CW-DC-Arrow universe (which includes Supergirl, The Flash, Batwoman, and Legends of Tomorrow). It's just that sometimes these shows run into the ever-present budgetary issues plaguing network TV, and you can see it reflected in the …