Ultra-realistic mirror selfie in luxury bathroom

Create an ultra-realistic, high-resolution mirror selfie of a beautiful young woman standing in a luxurious modern bathroom. She has long, naturally tousled black hair, soft feminine facial features, warm fair skin, subtle natural makeup, expressive hazel-green eyes, and soft pink-red lips. Her expression is calm, confident, and slightly serious. She is wearing a plain oversized black short-sleeve T-shirt paired with high-waisted white pants, creating a clean black-and-white minimalist outfit. She wears a sleek black smartwatch on her wrist. She holds a modern black smartphone in front of her face with one hand while the other hand is casually placed inside her pants pocket. The bathroom has elegant white marble walls with realistic gray veining, a large round mirror with a glowing LED border, recessed ceiling spotlights, a minimalist white sink with matte-black faucet, neatly folded white towels on a wall rack, a glass shower area, and a modern matte-black rainfall showerhead. The composition is a natural full-body-to-mid-thigh mirror selfie, centered subject, realistic proportions, authentic smartphone photography, soft warm bathroom lighting, subtle reflections, detailed hair strands, realistic skin texture, natural shadows, sharp focus, cinematic depth, sophisticated monochrome aesthetic, photorealistic, 8K detail, no text, no watermark.