Fitness Apparel

{ "positive_prompt": { "constraints": { "aspect_ratio": "2:3", "medium": "professional DSLR photo", "shot_type": "medium shot from behind", "subject_instruction": "Real person from user-provided image. Identity must remain exactly the same." }, "composition": { "framing": "waist-up medium framing from a rear three-quarter angle", "camera_angle": "eye-level, angled slightly downward", "camera_distance": "medium", "pose": "standing, back turned toward camera while looking over the right shoulder; holding a white shaker bottle in the right hand; left arm hanging naturally", "gaze": "soft smile, looking back toward the camera over the shoulder", "crop_notes": "cropped at the mid-thigh; subject centered against a minimalist white background" }, "environment": { "location_cues": "minimalist studio or bright indoor space; clean off-white wall", "time_of_day": "indoor daytime", "light_source": { "type": "soft studio umbrella light", "direction": "front-right high key", "softness": "highly diffused", "falloff": "gentle, even illumination across the back and shoulders" } }, "body_and_fabric_interaction": { "posture_effects": "shoulders back and slightly twisted; visible muscle definition in the upper back and triceps; weight shifted to the right leg", "fabric_drape": "ribbed cotton tank top conforming to the waist; tight elastic jersey shorts hugging the glutes", "tension_zones": "tank top straps pulling over the shoulders; horizontal tension lines on the pink shorts across the gluteal curve", "compression_zones": "elastic waistband of the shorts pressing into the lower back; fabric tight against the thighs", "wrinkle_patterns": "minor vertical folds at the hem of the tank top; micro-creases at the side-seams of the shorts", "gravity_behavior": "long straight hair falling vertically down the center of the back; gold necklace resting flat against the skin", "contact_shadows": "soft occlusion shadows under the tank top hem and where the arm meets 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; subtle sheen on the shoulders", "fabric": "vertical ribbing on the white cotton top; fine knit mesh of the pink shorts; delicate lace trim at the leg openings", "separation": "sharp focus on the fabric texture and hair strands with clean separation from the plain wall" }, "primary_focus": { "focus_name": "fabric-body interaction and anatomical realism", "observable_features": [ "tangible ribbed texture of the white tank top", "realistic tension of the pink elastic shorts against the lower body", "delicate lace detailing following the movement of the leg", "accurate light reflection on the plastic shaker bottle" ] }, "color_and_light_rules": { "white_balance": "neutral with a slight warm bias", "contrast": "standard digital contrast; bright and clean", "exposure": "properly exposed for skin tones and white fabric", "saturation": "natural skin tones; soft pastel pink shorts", "grading_rule": "True-to-life only; no cinematic or stylized grading" }, "camera_behavior": { "camera_type": "DSLR with 50mm prime lens", "depth_of_field": "medium; subject is sharp; background is a flat, clean out-of-focus plane", "focus_falloff": "sharpest on the lower back and shaker bottle; gentle softening toward the far shoulder", "grain_or_noise": "clean image with minimal professional-grade sensor grain", "sharpening_limit": "No over-sharpening" }, "overall_aesthetic": "Feels like a real, unstaged moment; fitness lifestyle/editorial 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" ] }