Portrait Nocturne en Appartement Urbain

{
  "meta": {
    "aspect_ratio": "9:16",
    "camera": "[iPhone rear camera]",
    "lens_simulation": "[24mm wide-angle]",
    "quality": "photorealistic smartphone HDR, authentic skin texture, subtle shadow grain",
    "time_of_day": "late night",
    "lighting_temperature": "warm tungsten 3200K mixed with cool urban ambient",
    "style": "handheld snapshot realism, subtle natural tilt, cozy mood"
  },
  "scene": {
    "location": "modern high-rise apartment living room",
    "background_elements": [
      "floor-to-ceiling windows showing night city skyline",
      "soft amber glow from indoor standing lamp",
      "neutral beige fabric sectional sofa",
      "subtle reflections on polished hardwood floor"
    ],
    "atmosphere": "quiet late-night cozy ambiance"
  },
  "subject": {
    "identity": "preserve exact facial structure and body proportions from the reference photo",
    "pose": {
      "position": "sitting comfortably on sofa cushion",
      "hips": "settled naturally on the seat",
      "torso": "upright, angled gently toward camera",
      "arms": "one hand resting on cushion, the other resting gently on lap",
      "head": "tilted slightly, looking naturally toward the lens"
    },
    "expression": "relaxed, calm and pleasant gaze",
    "hair": "[light blonde, straight, loose face-framing strands]",
    "outfit": {
      "top": "[champagne satin modest camisole]",
      "bottom": "[heather grey cotton lounge pants]"
    }
  },
  "lighting": {
    "primary": "warm lamp light illuminating from camera-right",
    "secondary": "cool night city skyline rim light along contours",
    "highlights": "soft rolloff on shoulders and fabric, natural shadow gradations"
  },
  "photography": {
    "depth_of_field": "shallow smartphone depth of field",
    "composition": "casual handheld portrait framing",
    "color": "natural warm indoor tones with balanced night exterior"
  }
}