Realistic Gym Mirror Selfie with Exaggerated Proportions

{   "aspect_ratio": "3:4",   "photo_style": "casual everyday smartphone photo",   "subject": "A young woman with long, straight black hair and light skin with visible freckles, wearing a white long-sleeved tight-fitting athletic top and dark grey high-waisted yoga shorts.",   "environment": "A modern, brightly lit public restroom or gym locker room with white vertical rectangular wall tiles, an orange horizontal accent stripe near the ceiling, and a grey stone-textured countertop.",   "scene_structure": "Subject in the midground taking a mirror selfie; a large mirror reflects the scene including a wall-mounted soap dispenser and a black bag on the counter in the background.",   "composition": "Medium shot, mirror selfie, subject positioned slightly off-center, back turned toward the mirror with head rotated over the shoulder to face the camera lens.",   "pose_structure": "V7 Pose Clone: Body angled 45 degrees away from the mirror, deep lower back arch (anterior pelvic tilt), left arm extended holding a smartphone, right arm resting at the side with hand on the thigh, head turned 90 degrees toward the shoulder looking at the phone screen.",   "camera": {     "device": "smartphone camera",     "angle": "eye-level, slight side-angle perspective via mirror reflection",     "height": "chest height",     "distance": "medium-close",     "perspective": "mirror reflection, wide-angle smartphone lens",     "depth_of_field": "deep focus"   },   "lighting": {     "type": "natural light",     "source": "overhead fluorescent or LED panel lighting",     "direction": "top-down and frontal from the mirror's perspective",     "shadow_softness": "soft natural shadows",     "exposure": "balanced smartphone exposure"   },   "color_science": {     "style": "natural smartphone colors",     "white_balance": "neutral",     "contrast": "normal",     "saturation": "natural slightly vibrant"   },   "body_proportions": "Slender waist, prominent and wide-set hips, significant gluteal volume, toned legs, slim upper torso and arms; exact preservation of the exaggerated lower-body silhouette and curvature.",   "facial_details": "Natural makeup, focused gaze toward the phone, subtle pout, visible freckles on cheeks and nose bridge.",   "materials_and_textures": "Ribbed texture on the white top, matte stretch fabric of the grey shorts, glossy wall tiles, polished stone counter, realistic skin texture with slight natural sheen.",   "atmosphere": "Casual, routine, fitness-oriented lifestyle snapshot.",   "generation_prompt": "A casual 3:4 smartphone mirror selfie of a woman with long black hair and freckles. She is wearing a tight white long-sleeve top and charcoal grey gym shorts. She is posed with her back to the mirror, arched back, looking over her shoulder at the phone. The body silhouette features a very slim waist and wide, voluminous hips and glutes. The setting is a bright restroom with white vertical tiles and an orange t