Low-Light Smartphone Selfie in Gen Z Bedroom

{   "prompt_structure": {     "subject_details": {       "demographics": "Young female, fair skin tone, natural appearance with distinct freckles across nose and cheeks",       "facial_features": "Soft facial structure, neutral to soft expression, gaze directed down at phone",       "hair": "Long, dark brown, loose wavy texture, center part, draping over shoulders",       "clothing": {         "top": "{argument name=\"sweater type\" default=\"Red crewneck holiday sweater featuring a large cartoon reindeer face\"}",         "bottom": "Plaid pajama shorts (only small section visible at upper thigh)"       },       "pose": "Sitting upright on a bed, body angled slightly to viewer's left. Both legs are bent sharply at the knees and drawn up tightly against the torso. The shins are prominent, and feet are tucked near the buttocks. Right hand holds a smartphone with a black case up in front of the body to take a selfie."     },     "environment_context": {       "setting": "Gen Z bedroom / dorm room context",       "background_elements": [         "White floating shelves packed with diverse colorful books",         "Anime posters on white walls (My Hero Academia clearly visible)",         "LED strip lights running vertically along the wall corner",         "Messy unmade bed with white textured duvet or blanket",         "Crumpled red fleece throw blanket in background on bed"       ]     },     "lighting_atmosphere": {       "primary_source": "Dominant Purple/Violet LED ambient lighting originating from corner strip",       "quality": "Dim, soft, moody, atmospheric, strong colored purple cast on skin, clothing, and surroundings",       "shadows": "Soft, diffused shadows created by the ambient colored light"     },     "camera_technical": {       "style": "Casual Smartphone Selfie, Candid shot",       "simulation": "Smartphone Main Sensor Simulation",       "angle": "Slightly low angle, looking slightly up at the subject",       "focal_length": "Approx 24-28mm wide angle (phone lens equivalent)",       "aperture": "f/1.7 wide open",       "iso": "High ISO (approx 800-1600) resulting in visible fine digital noise/grain",       "focus": "Sharp focus on subject's face and knees, slight depth of field blur on background bookshelf"     },     "quality_modifiers": {       "engine": "Nano Banana Pro",       "details": "Ultra Photorealistic, 8k resolution, raw photo style, realistic skin texture with highly visible pores and freckles underneath purple light, tangible fabric texture details on sweater and blanket, authentic low-light smartphone digital noise grain."     },     "negative_prompt": "cartoon, illustration, anime, painting, 3D render, drawing, sketch, abstract, low quality, blurry, pixelated, unnatural skin, doll-like, oversaturated, flat lighting, stylized, idealized, unrealistic, smooth skin, denoised"   } }