Fitted short-sleeve t-shirt with heathered purple/lavender marl

Prompt

Fitted short-sleeve t-shirt with heathered purple/lavender marl texture and crew neck, white trousers with visible front fly seam; Broad shoulders, defined biceps and triceps, visible forearm veins; Left arm resting on thigh, right arm extended out of frame; Indoor setting against textured off-white wall with soft directional lighting casting shadows; Portrait crop showing torso and seated legs; head partially cut off at top and center-left edge, shot on iPhone 15 Pro main camera, authentic smartphone computational photography, natural Smart HDR, vertical 9:16 Xiaohongshu lifestyle post, bright clean gym or cafe scene, wardrobe matching reference outfit, confident everyday blogger pose, phone photo with natural grain; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces