{ "subject": { "description": "A young adult athletic woman with pronounced musc

{
 "subject": {
 "description": "A young adult athletic woman with pronounced muscular arms and defined abs, wearing gym streetwear, standing against a plain dark gray wall in a realistic social media photo.",
 "age": "early 20s",
 "expression": {
 "eyes": {
 "look": "calm, focused",
 "energy": "cool and controlled",
 "direction": "toward the camera, slightly downward"
 },
 "mouth": {
 "position": "closed, slight pout",
 "energy": "neutral, restrained"
 },
 "overall": "quiet confidence, post-workout calm"
 },
 "face": {
 "preserve_original": true,
 "makeup": "minimal or no-makeup look, natural skin"
 },
 "hair": {
 "color": "light blonde",
 "style": "tied back in a low ponytail with a few loose front strands under the cap",
 "effect": "slightly messy gym hair, natural texture"
 },
 "body": {
 "frame": "lean, strong, visibly muscular upper body",
 "waist": "tight waist with sharp oblique lines",
 "chest": "athletic, supported by a tight crop top",
 "legs": "mostly covered by loose sweatpants",
 "skin": {
 "visible_areas": [
 "face",
 "neck",
 "shoulders",
 "arms",
 "midriff"
 ],
 "tone": "fair to light",
 "texture": "smooth with subtle natural pores, slight workout sheen",
 "lighting_effect": "soft highlights on shoulders, arms, and abs"
 }
 },
 "pose": {
 "position": "center frame",
 "base": "standing with a slight hip pop and gentle torso twist, arms relaxed with one arm slightly behind the body",
 "overall": "subtle S-curve posture emphasizing shoulders and abs"
 },
 "clothing": {
 "top": {
 "type": "black sleeveless fitted crop athletic top",
 "color": "matte black",
 "details": "tight fit, high neckline, exposes midriff",
 "effect": "sculpts the torso and highlights muscle definition"
 },
 "bottom": {
 "type": "baggy dark sweatpants",
 "color": "black or very dark navy",
 "details": "loose fit, elastic waist, visible white drawstring",
 "effect": "street-gym silhouette with contrast drawstring"
 }
 }
 },
 "accessories": {
 "headwear": "black baseball cap with curved brim",
 "jewelry": "thin gold chain necklace with a small pendant",
 "device": "large black over-ear headphones",
 "prop": "black training glove or wrist wrap on one hand"
 },
 "photography": {
 "camera_style": "realistic smartphone social media photo, gym portrait vibe",
 "angle": "slightly low angle, straight-on framing",
 "shot_type": "three-quarter body portrait (head to below hips), subject fills most of the vertical frame",
 "aspect_ratio": "9:16",
 "texture": "sharp but natural, mild noise, realistic skin and fabric texture",
 "lighting": "soft indoor overhead lighting with gentle shadows, no harsh specular highlights",
 "depth_of_field": "moderate depth of field, subject crisp, background smooth and unobtrusive"
 },
 "background": {
 "setting": "minimal indoor wall backdrop, gym changing area feel without visible fixtures",
 "wall_color": "dark gray",
 "elements": [
 "clean seamless wall",
 "subtle gradient shadow behind the subject"
 ],
 "atmosphere": "quiet, minimal, focused",
 "lighting": "even indoor light with a soft top-lit gradient"
 },
 "the_vibe": {
 "energy": "disciplined and strong",
 "mood": "cool, composed, slightly intense",
 "aesthetic": "minimal gym realism, modern street-athletic",
 "authenticity": "unedited social snapshot feel, true-to-life proportions and texture",
 "intimacy": "close personal moment after training, private confidence",
 "story": "a quick pause between sets, capturing the body’s effort and control",
 "caption_energy": "short, blunt, confident"
 },
 "constraints": {
 "must_keep": [
 "pronounced muscular arms and defined abs",
 "black baseball cap",
 "black over-ear headphones",
 "black sleeveless crop athletic top",
 "baggy dark sweatpants with a white drawstring",
 "plain dark gray wall background",
 "soft indoor overhead lighting",
 "realistic smartphone photo look"
 ],
 "avoid": [
 "visible logos or brand text",
 "busy background details",
 "extra people",
 "cartoon/anime styling",
 "heavy beauty retouching",
 "exaggerated body proportions",
 "watermarks or UI text"
 ]
 },
 "negative_prompt": [
 "anime",
 "cartoon",
 "cgi",
 "over-smoothed skin",
 "heavy makeup",
 "beauty filter",
 "exaggerated curves",
 "extra limbs",
 "bad anatomy",
 "blurry",
 "low resolution",
 "harsh flash",
 "busy background",
 "logos",
 "text",
 "watermark"
 ]
}