Prompt Used:
{
"positive_prompt": {
"constraints": {
"aspect_ratio": "3:4",
"medium": "smartphone photo",
"shot_type": "medium-close portrait",
"subject_instruction": "Real person from user-provided image. Identity must remain exactly the same."
},
"composition": {
"framing": "waist-up medium framing",
"camera_angle": "straight-on eye level",
"camera_distance": "close",
"pose": "standing indoors; right hand raised and resting on top of the head; body slightly angled; natural posture",
"gaze": "direct eye contact with the camera; neutral-to-soft expression",
"crop_notes": "cropped at the upper thighs; subject centered against a white wall"
},
"environment": {
"location_cues": "indoor residential space; plain white textured wall background; dark headboard and ceiling fan partially visible in the far background; unmade bed with a pink bag",
"time_of_day": "bright afternoon indoor light",
"light_source": {
"type": "natural window light and ambient indoor bulb",
"direction": "frontal and slightly from the right",
"softness": "soft, diffused",
"falloff": "gentle shadows under the jaw and left arm"
}
},
"body_and_fabric_interaction": {
"posture_effects": "shoulders slightly raised due to hand placement; natural curvature of the torso; weight shifted to one hip",
"fabric_drape": "form-fitting purple athletic zip-up jacket worn open over a dark blue sports bra",
"tension_zones": "jacket fabric stretching across the shoulders and biceps; sports bra pulling at the center-chest ruching",
"compression_zones": "sports bra pressing into the chest; leggings waistband fitting tight to the lower abdomen",
"wrinkle_patterns": "horizontal micro-folds in the jacket sleeves at the elbows; gathering of fabric at the open zipper line",
"gravity_behavior": "long straight hair falling naturally behind the back and over the left shoulder; gold necklace resting flat against the collarbone",
"contact_shadows": "soft occlusion where the jacket overlaps the sports bra and where the arms meet the torso",
"fit_accuracy": "Fabric must fit the user’s real body exactly, without reshaping."
},
"materials_and_textures": {
"skin": "Visible pores, natural texture, no smoothing; realistic light reflection on the midriff and collarbone",
"fabric": "matte synthetic athletic knit jacket; ribbed/ruched elastic sports bra fabric; smooth matte leggings",
"separation": "sharp focus on the subject with a soft blur on the distant bedroom background"
},
"primary_focus": {
"focus_name": "fabric-body interaction",
"observable_features": [
"precise conforming of the purple jacket to the anatomical curves of the arms and shoulders",
"natural skin-to-fabric contact at the midriff and neckline",
"realistic tension in the ruched center of the blue sports bra",
"physically accurate shadows cast by the open jacket onto the torso"
]
},
"color_and_light_rules": {
"white_balance": "neutral with a slight warm bias",
"contrast": "standard mobile sensor contrast; soft highlights and defined shadows",
"exposure": "properly exposed for skin tones",
"saturation": "natural, lifelike skin saturation; muted purple and navy blues",
"grading_rule": "True-to-life only; no cinematic or stylized grading"
},
"camera_behavior": {
"camera_type": "modern mobile phone lens",
"depth_of_field": "medium; subject is sharp while the background bed and fan show a natural soft blur",
"focus_falloff": "sharpest on the face and torso; gentle softening toward the background architecture",
"grain_or_noise": "minimal digital noise characteristic of indoor daylight mobile shots",
"sharpening_limit": "No over-sharpening"
},
"overall_aesthetic": "Feels like a real, unstaged moment; social media selfie/lifestyle realism"
},
"strict_negatives": [
"beauty filter, face alteration, hair modification, body reshaping, skin smoothing, idealized proportions, floating fabric, perfect symmetry, AI glow, HDR, CGI, illustration, cinematic grading, over-sharpening, plastic skin, fake texture, text, logos, watermarks"
]
}