{
  "subject": {
    "description": "A young adult woman taking a mirror selfie in a high-end open gym, seated on a soft plyo box, with one leg extended diagonally to emphasize thigh and calf definition; face hidden by phone and cap for an anonymous sporty look.", "mirror_rules": [ "Mirror selfie composition.", "Any visible text/logos must appear normal and readable (not reversed).", "No random extra letters, numbers, or duplicated characters.", "Ignore real-world mirror inversion; render text as if viewed normally." ], "age": "young adult", "expression": { "eyes": { "look": null, "energy": "calm", "direction": null }, "mouth": { "position": null, "energy": "neutral" }, "overall": "cool, effortless, anonymous (face mostly covered)" }, "face": { "preserve_original": true, "makeup": "minimal natural makeup or bare face" }
  },
  "hair": {
    "color": "dark brown to black",
    "style": "long straight hair, worn down",
    "effect": "smooth, slightly glossy under indoor lighting"
  },
  },
  "body": {
      "frame": "slim athletic, thin-muscle look",
      "waist": "narrow, defined",
      "chest": "athletic",
      "legs": "long, toned, visible thigh and calf muscle definition",
      "skin": { "visible_areas": ["arms", "midriff", "legs"], "tone": "light to medium with a warm-neutral undertone", "texture": "smooth, natural skin texture", "lighting_effect": "soft highlights on muscles, gentle shadow shaping" }
    },
    "pose": {
      "position": "seated on a soft plyometric box",
      "base": "one hand bracing behind on the box, the other holding a phone in front of the face",
      "overall": "45-degree diagonal composition; right leg extended naturally along a diagonal line to show thigh and calf muscles; the other leg bent with knee raised"
    },
  "clothing": {
  "accessories": {
  "headwear": "baseball cap in dark olive/khaki tone (small white logo if present)", "device": "smartphone with a triple-camera module, neutral-colored case", "prop": "soft plyometric box in black with large white numbers/markings"
  },
  "photography": {
  "camera_style": "photorealistic smartphone mirror selfie, social-media fitness aesthetic", "angle": "eye-level mirror reflection, slightly low-to-mid framing to elongate legs", "shot_type": "full-body / three-quarter body, subject placed slightly right of center", "aspect_ratio": "vertical 4:5", "texture": "clean, sharp details, natural contrast, realistic skin and fabric texture", "lighting": "indoor gym lighting with overhead strip lights; slightly moody but clear, flattering muscle definition", "depth_of_field": "moderate to deep focus (gym equipment still recognizable)"
  },
  "background": {
  "setting": "open, high-end modern gym", "wall_color": "dark gray/black with mirrors and metallic equipment", "elements": [ "multiple strength machines and cable stations", "free weights / racks in the distance", "mirrored wall reflections", "overhead strip lighting", "spacious, tidy layout suitable for photos" ], "atmosphere": "wide, airy, premium gym vibe; clean and uncluttered", "lighting": "even ambient light with defined highlights and soft shadows"
  },
  "the_vibe": {
  "energy": "strong and composed", "mood": "cool, confident, effortless", "aesthetic": "high-end gym + sleek athletic streetwear", "authenticity": "natural candid pose, not overly posed", "intimacy": "private moment in a gym mirror", "story": "quiet confidence—subtly showing physique and training成果 without showing the face", "caption_energy": "minimal, confident, classy"
  },
  "constraints": {
    "must_keep": [ "same seated pose on a soft plyo box", "45-degree diagonal composition that makes the body look longer", "right leg extended diagonally with visible thigh and calf muscle definition", "slim athletic body with ~10% body fat, thin-muscle look (not bulky)", "black crew socks for harmony", "black Salomon latest trendy sneakers", "Nike sports bra (olive/khaki) and black Nike training shorts", "high-end open gym background with lots of equipment, spacious and photo-friendly", "phone covering the face (anonymous mirror selfie)" ], "avoid": [ "bulky bodybuilding proportions", "cartoon/anime styling", "messy crowded gym", "overly glossy plastic skin", "reversed/mirrored text artifacts", "extra fingers or distorted limbs" ]
  },
  "negative_prompt": [
    "lowres", "blurry", "overexposed", "harsh flash", "cartoon", "anime", "painterly", "bad anatomy", "extra fingers", "extra limbs", "warped legs", "face visible", "mirrored text", "gibberish text", "cluttered background", "crowd"
  ]
}