Chụp ảnh tự sướng trước gương trong phòng gym hiện đại với tính năng bảo toàn khuôn mặt

```json
{
  "image_prompt": {
    "face_preservation": {
      "use_reference_face": true,
      "accuracy": "match face exactly from reference image",
      "preserve_details": [
        "face shape",
        "eyebrows and eye structure",
        "natural makeup style",
        "lip shape and color",
        "hairline and hairstyle"
      ]
    },
    "subject": {
      "gender": "female",
      "description": "young woman taking a mirror selfie while squatting gracefully indoors",
      "pose": {
        "body_position": "squatting low with one knee forward, leaning slightly toward mirror",
        "head": "tilted slightly downward while looking at phone screen",
        "hands": [
          "right hand holding phone in front of face",
          "left hand resting on knee"
        ],
        "expression": "soft, calm expression"
      },
      "hair": {
        "style": "long dark brown hair in a half-up ponytail with a small clip",
        "texture": "smooth and straight"
      },
      "clothing": {
        "top": {
          "type": "sports bra",
          "color": "off-white",
          "details": "tight, form-fitting material with slight sheen"
        },
        "bottom": {
          "type": "loose sweatpants",
          "color": "dark brown",
          "fit": "relaxed, high-waisted"
        },
        "shoes": "white Snickers"
      },
      "nails": "black nail polish",
      "accessories": [
        "silver necklace",
        "bracelet",
        "rings"
      ]
    },
    "environment": {
      "setting": "modern indoor gym with mirrored walls",
      "details": {
        "equipment": [
          "chest press machine",
          "various gym machines in background"
        ],
        "flooring": "wood-textured gym flooring",
        "walls": "full-height mirrors reflecting gym interior",
        "lighting": "soft overhead LED lighting with warm ambient accents"
      }
    },
    "props": {
      "phone": {
        "type": "smartphone",
        "case": "glitter silver phone case",
        "position": "held vertically towards the mirror"
      }
    },
    "style": {
      "photography": "mirror selfie, social media aesthetic",
      "color_grade": "soft warm tones",
      "sharpness": "medium-high clarity",
      "mood": "feminine, elegant, gentle"
    },
    "composition": {
      "framing": "full body squatting pose, centered",
      "angle": "eye-level mirror perspective",
      "focus": "sharp focus on face and outfit",
      "aspect_ratio": "4:5"
    },
    "output": {
      "resolution": "8K high quality",
      "negative_prompt": [
        "incorrect face",
        "wrong hairstyle",
        "extra limbs",
        "different dress pattern",
        "distorted proportions",
        "text or watermark"
      ]
    }
  }
}
```