JSON selfie-on-bed prompt for Nano Banana Pro

{   "subject": {     "type": "young woman",     "pose": "lying on her back, taking a selfie with her right arm extended upward",     "expression": "soft smile, relaxed and natural",     "gaze": "looking toward the camera",     "skin_details": {       "complexion": "smooth, warm, sunlit glow",       "freckles": "visible on nose and cheeks"     },     "hair": {       "color": "{argument name=\"hair color\" default=\"medium brown\"}",       "length": "long",       "style": "loose, spread out on the pillow around her head"     },     "eyes": {       "color": "{argument name=\"eye color\" default=\"light blue or green\"}",       "makeup": "subtle eyeliner"     }   },   "clothing": {     "top": {       "type": "ribbed tank top",       "color": "white",       "fit": "form-fitting",       "neckline": "scoop neck"     },     "bottoms": {       "type": "jeans",       "color": "light blue",       "visibility": "partially visible"     },     "accessories": {       "earrings": "small studs",       "necklace": "thin, minimal chain"     }   },   "environment": {     "location": "bed or soft resting surface",     "bedding": {       "pillow": "white",       "sheets": "white"     },     "background": "neutral wall and edge of headboard or furniture barely visible"   },   "lighting": {     "type": "natural sunlight",     "direction": "coming from upper left of frame",     "effect": "creates warm highlights and soft shadows on face and torso"   },   "composition": {     "camera_angle": "top-down selfie angle",     "framing": "close-up of face, upper torso, and part of jeans",     "focus": "sharp on face and upper body",     "colors": "warm skin tones, white bedding, brown hair, neutral background"   },   "mood": "warm, relaxed, comfortable, natural" }