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{
  "prompt_structure": {
    "subject": {
      "description": "[Young woman, early 20s, fair skin]",
      "hair": "[messy low bun, loose strands framing face]",
      "expression": "Focused, neutral, looking down at phone"
    },
    "attire": {
      "clothing": "[Black spaghetti-strap mini dress, loose black knit cardigan draped on arms]",
      "accessories": "[Layered pearl necklace, thin gold pendant necklace, stacked pearl bracelets on left wrist]"
    },
    "pose": {
      "body": "Seated, legs crossed at knees",
      "action": "Holding smartphone with both hands, texting"
    },
    "environment": {
      "location": "[Subway train interior]",
      "elements": "[Blue molded plastic seats, large window with reflection behind, overhead advertisements, metal grab poles]",
      "lighting": "Bright, cool-toned artificial overhead tube lighting"
    },
    "style": {
      "type": "Candid photograph, photorealistic",
      "vibe": "Urban commute, casual elegance, daily life",
      "depth_of_field": "Slight shallow depth of field"
    }
  }
}