Candid Student Lecture Photo

Ultra-realistic candid photo of a young woman in her early 20s, sitting at a lecture hall desk, taking notes in a notebook with a laptop open beside her, natural window light coming from the side, other students slightly blurred in the background, casual student outfit (oversized hoodie, hair in a messy bun), realistic skin texture, candid unposed expression, focused but relaxed, shot on iPhone-style front camera, slight motion blur, photorealistic, 4K, 4:5 aspect ratio