Candid Backstage Flash Portrait

{
  "prompt": "Photorealistic candid fashion/backstage portrait indoors. Medium close-up framing of the subject standing with both arms raised behind the head, looking off to the side with a calm, slightly serious expression. Long loose hair with soft natural waves, warm skin highlights. Wearing a simple black slip dress with thin straps. Background: textured light brick wall and a minimal clothing rack with hangers/garments, subtle studio/backstage vibe. Direct on-camera flash look with bright specular highlights and gentle falloff, slight grain, natural color, editorial realism, high detail, no overprocessing.",
  "negative_prompt": "nudity, explicit sexual content, porn, lingerie, fetish, cameltoe, see-through clothing, exaggerated body proportions, unrealistic anatomy, deformed hands, extra fingers, missing fingers, fused limbs, distorted face, cross-eye, blurry, out of focus, low resolution, plastic skin, over-smoothed skin, heavy HDR, oversaturated, harsh flash, watermark, logo, text, caption, jpeg artifacts, cartoon, anime, CGI",
  "params": {
    "aspect_ratio": "4:5",
    "size": "1024x1280",
    "steps": 30,
    "cfg_scale": 6.5,
    "sampler": "DPM++ 2M Karras",
    "seed": -1
  },
  "camera": {
    "shot_type": "floor-level close-up selfie",
    "lens": "20-24mm wide-angle",
    "focal_style": "wide perspective, realistic distortion",
    "depth_of_field": "moderate (subject sharp, background slightly softer)"
  },
  "lighting": {
    "source": "natural daylight",
    "quality": "soft, warm",
    "contrast": "medium"
  },
  "environment": {
    "location": "CrossFit / functional training gym",
    "key_props": ["rubber mat", "squat rack", "gymnastic rings", "plants/greenery"],
    "mood": "clean, energetic, candid"
  }
}