Photorealistic Gym Mirror Selfie (Structured JSON)

{ "prompt_type": "photorealistic gym mirror selfie", "main_composition": "rear three-quarter back view mirror selfie of a single young woman standing confidently in a modern gym on a green turf area, holding her iPhone in right hand for the photo with reflection showing her front and subtle neutral expression, relaxed casual pose with slight hip tilt and weight on one leg emphasizing athletic curves, bright indoor lighting with cardio machines and large windows in background", "subject": { "description": "beautiful young woman in her early 20s, attractive feminine features with light natural makeup (defined eyeliner, long lashes, subtle contour, glossy lips), large expressive eyes visible in mirror reflection, fair tanned smooth skin with healthy glow and athletic toned hourglass figure", "clothing": "fitted yellow long-sle