Shirtless adult man with defined abdominal musculature including

Prompt

Shirtless adult man with defined abdominal musculature including rectus abdominis segments, obliques, and lower abs, broad shoulders, narrow waist standing in front of a round mirror taking a selfie; Left hand holding black smartphone to face obscuring eyes/nose/mouth; right hand inserted into right trouser pocket with elbow bent outward; torso angled slightly toward camera; head tilt; Wearing open grey textured suit jacket (single-breasted, two visible buttons), white collared dress shirt unbuttoned at top exposing bare chest and abdomen, grey tailored trousers matching the jacket, black leather belt with silver rectangular buckle; Indoor room with large window covered by sheer curtains showing blurred city lights at night; wooden furniture including sofa and side table visible in background reflection; Soft ambient indoor lighting creating gentle shadows on torso musculature; reflected light from smartphone screen illuminating part of face/hand; Waist-up shot framed by round mirror, centered within circular mirror reflection, occupying majority of frame vertically from waist up to obscured head; Mirror selfie composition, fashion editorial aesthetic, fine-art photography; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces