Femme triomphante lors d'un gala

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "text_to_image_photoreal_cinematic_gala_still",
      "version": "v1.0"
    },
    "references": {
      "character_reference_image": "[character reference photo]",
      "reference_rules": {
        "preserve_identity": true,
        "identity_lock_strength": 0.99
      }
    },
    "output_settings": {
      "aspect_ratio": "4:5",
      "orientation": "portrait",
      "render_style": "photorealistic_cinematic_film_still",
      "film_grain": "subtle_35mm"
    },
    "creative_prompt": {
      "scene_summary": "A glamorous cinematic ballroom gala moment in the style of a late-1990s or early-2000s film still. Center frame: an elegant young woman in a strapless ivory-white couture gown, wearing long white satin opera gloves and a sparkling crystal tiara. She smiles triumphantly with both arms raised high in a celebratory V-shape. Warm golden tungsten ballroom lighting, soft flattering skin highlights, and realistic satin and fabric textures. Background: a blurred crowd of formal gala guests in black tuxedos and evening gowns under soft bokeh. Celebratory, opulent, and candid atmosphere. No text, logos, or watermarks.",
      "subject": {
        "type": "adult_woman",
        "expression": "beaming triumphant smile, ecstatic celebration",
        "pose": "both arms raised overhead in a V-shape, open palms",
        "wardrobe": {
          "dress": "strapless ivory couture gown, fitted bodice, rich satin sheen",
          "gloves": "white satin opera gloves extending above the elbows",
          "headpiece": "sparkling crystal tiara"
        },
        "beauty": {
          "makeup": "classic evening glamour with warm tones and soft rose-red lips",
          "hair": "polished elegant updo adorned with a tiara"
        }
      },
      "environment": {
        "location": "luxurious ballroom gala",
        "background": "blurred crowd of well-dressed guests in tuxedos and gowns, warm ambient bokeh",
        "color_palette": "warm amber gold, deep formal blacks, creamy ivory white"
      },
      "lighting_and_camera": {
        "lighting": "warm tungsten key light, soft fill, delicate rim illumination along tiara and satin gloves",
        "camera": "cinematic 35mm film still look",
        "lens": "85mm portrait lens",
        "aperture": "f/2.0",
        "focus": "sharp focus on the woman's face and tiara with shallow depth of field"
      }
    }
  }
}