{"subject": {"description": "A single athletic young model taking a gym mirror selfie while seated sideways on a flat bench. The scene is anchored by the bench as a strong horizontal line, then the subject seated on it, then a deep forward hip-hinge pose that reveals a full V-taper back with lat and shoulder-blade definition. Only one person in the entire image; the mirror reflection is the same person, not a second person.", "mirror_rules": "Mirror selfie. Keep all text (if any) readable in correct orientation, no mirrored letters. Do not add random characters. The mirror must reflect the same single subject; do not create a second person/duplicate body in the reflection.", "age": "mid-20s", "expression": {"eyes": {"look": "focused", "energy": "calm", "direction": "down toward the phone screen"}, "mouth": {"position": "neutral", "energy": "soft"}, "overall": "quiet concentration, composed confidence"}, "face": {"preserve_original": true, "makeup": "minimal, natural gym look"}}, "hair": {"color": "medium brown", "style": "low ponytail through a dark baseball cap", "effect": "natural, slightly flattened from training"}, "body": {"frame": "athletic, lean", "waist": "slim", "chest": "athletic", "legs": "toned", "skin": {"visible_areas": ["full back", "shoulders", "upper arms", " ", "lower legs"], "tone": "light to light-medium", "texture": "natural skin texture with a subtle workout sheen", "lighting_effect": "highlights on shoulder blades and lats with a soft shadow line along the spine to carve a clear V-shape"}}, "pose": {"position": "seated sideways on a flat bench in front of a wall mirror", "base": "bench anchor first: a padded flat bench runs perfectly left-to-right across the frame, parallel to the bottom edge, forming a strong horizontal line in the lower third; subject sits sideways near the center of the bench with hips pushed slightly back; deep forward hip-hinge: leaning forward about 45 to 60 degrees from vertical (noticeably more forward than an upright sit), chest close to the front ; shoulder line slightly in front of the front knee in the mirror view; forearm/elbow resting on the front for support; shoulders subtly rolled back and down (scapula depressed and slightly retracted) to widen the lats; head lowered with cap brim pointing down toward the phone; phone held close to the cheek/jawline, not extended", "overall": "bench-anchored composition, then seated placement, then a deep forward lean with clear anatomical anchor points to emphasize a full V-taper back"}, "clothing": {"top": {"type": "black long-sleeve open-back bodysuit/top with thin crisscross straps", "color": "black", "details": "large open back shoulder blades to lower back, thin straps crossing on the upper back", "effect": "sleek sporty frame that emphasizes back definition"}, "bottom": {"type": "black athletic shorts with white piping; light gray sweatshirt tied around the waist", "color": "black with white trim; light gray", "details": "white piping along the shorts hem; sweatshirt sleeves knotted around the hips", "effect": "clean layered gym look"}}, "accessories": {"headwear": "dark baseball cap", "device": "smartphone with a triple-camera module, held in one hand"}, "photography": {"camera_style": "smartphone mirror selfie, realistic social media photo", "angle": "mirror reflection, slight side profile", "shot_type": "three-quarter body vertical portrait with the bench clearly horizontal in the lower third", "aspect_ratio": "9:16 vertical", "texture": "crisp digital detail, subtle grain in darker areas", "lighting": "cool overhead gym lighting with controlled contrast to sculpt back muscles", "depth_of_field": "moderate, subject sharp and background slightly subdued"}, "background": {"setting": "modern gym weight area with a large wall mirror", "wall_color": "cool gray and charcoal tones", "elements": ["mirror wall with seams", "flat bench spanning left-to-right across the frame (perfectly horizontal)", "dumbbell rack or weight equipment in the mirror", "overhead fluorescent strip lights", "rubber gym flooring"], "atmosphere": "quiet, focused training moment", "lighting": "cool, even overhead light with soft reflections on metal equipment"}, "the_vibe": {"energy": "disciplined and steady", "mood": "cool, focused, slightly ", "aesthetic": "realistic gym mirror selfie, athletic elegance", "authenticity": "between-sets progress check, candid but intentional", "intimacy": "a private mirror moment where strength is the subject", "story": "a calm horizontal bench line beneath a deeper forward hinge, letting the back turn into a carved V under gym light", "caption_energy": "low-key confidence"}, "constraints": {"must_keep": ["exactly one person in the entire image", "mirror reflection shows the same single person, not an additional person", "flat bench appears perfectly horizontal left-to-right (parallel to bottom edge) in the lower third", "deep forward hip-hinge: leaning forward about 45 to 60 degrees from vertical", "chest close to the front (small gap)", "shoulders slightly in front of the front knee in the mirror view", "forearm/elbow resting on the front for support", "cap brim angled downward toward the phone", "phone held close to cheek/jawline (not arm extended)", "clear V-taper back silhouette with lat and shoulder-blade lines", "black open-back long-sleeve top with thin crisscross straps", "black shorts with white piping", "light gray sweatshirt tied around the waist"], "avoid": ["two people", "duplicate subject", "a second person created by the mirror", "upright posture", " leaning backward", "arm fully extended selfie", "diagonal or rotated bench", "warped anatomy or extra limbs", "heavy beauty filters or plastic skin"]}, "negative_prompt": ["two people", "second person", "duplicate person", "clone", "twin", "double reflection person", "extra body", "upright posture", "no forward lean", "arm extended", "diagonal bench", "bench rotated", "bench vertical in frame", "impossible furniture geometry", "blurry", "low resolution", "overexposed", "oversaturated", "bad anatomy", "extra fingers", "extra arms", "deformed hands", "watermark", "heavy smoothing", "plastic skin"]}