Modern Mirror Selfie Portrait

A realistic mirror selfie portrait in a modern, dimly lit room with a textured black stone wall. The subject is wearing a fitted grey blazer over a slightly open grey button-up shirt, revealing a thin silver chain. They hold a smartphone in one hand and adjust their shirt collar with the other. Circular mirror framing, sleek and classy atmosphere, confident expression, cinematic lighting, realistic photography, 9:16 aspect ratio. Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.