Muscular catgirl, athletic physique, toned legs, strong arms, whiskers, pointed ears, fluffy tail, bright green eyes, bold eyebrows, shiny black hair, ponytail, sporty swimsuit, ripped fishnet stockings, sneakers, sitting on a gym bench, lifting weights, fitness equipment, modern gym interior, urban cityscape outside the window, sunset lighting, warm glow, 3/4 composition, shallow depth of field.