Full-Body Mirror Selfie with Tattoos in Modern Gym

"canvas": "aspect_ratio": "3:4", "resolution_target": "Ultra-HD", "color_palette": ["Black", "Cool White", "Platinum", "Wood Tones"] , "subject": "identity": "name": "subject_name", "reference_fidelity": 1.0 , "physical_attributes": "hair": "color": "Platinum blonde", "roots": "Visible dark/natural", "style": "Falling over shoulders" , "expression": "Neutral, confident", "body_art": "style": "Black and grey realism", "motifs": ["Floral patterns", "Portraits"], "placement": ["Arms", "Chest", "Stomach", "Legs"] , "wardrobe": "top": "Black sports bra, keyhole cutout detail", "bottom": "Tight black gym shorts", "footwear": "Chunky black and white sneakers", "hosiery": "Black crew socks, white heavy metal graphics" , "interaction": "primary_hand": "Holding silver iPhone 16 Pro Max", "secondary_hand": "Holding black reusable water bottle", "pose": "Full-body mirror selfie, standing orientation" , "environment": "location": "Modern gym interior", "surfaces": "floor": "Light wood laminate", "walls": "Large-scale floor-to-ceiling mirror" , "background_assets": [ "Rows of cardio equipment", "Reflections of the gym interior", "Geometric gym architecture" ], "lighting": "source": "Overhead recessed LED", "temperature": "Cool-toned", "distribution": "Even, bright, minimal shadows" , "technical_directives": "photography_style": "Candid smartphone selfie", "lens_simulation": "Wide-angle mobile lens", "post_processing": "Cinematic HDR, sharp focus, low grain", "framing": "Full-body"