Young woman in blue tank top sitting on sofa AI Image Prompt

A young woman aged 19-25 with naturally flowing slightly wavy black hair, wearing a blue sleeveless tank top with button details and black loose trousers. She sits sideways on a light-colored sofa, right hand lightly resting on the sofa edge, left hand placed naturally, with a calm expression looking at the camera, overall relaxed with a hint of coolness. The scene is indoors at night, with dim background lighting and visible warm indoor lamps, creating contrast with the dark clothing to highlight the subject. The composition is at eye level, the figure slightly right of center, background slightly blurred, lighting soft and natural. The overall atmosphere is quiet and serene, giving a simple yet stylish visual feel.