Cartoon-style illustration of an endearing, geeky mouse with a sophisticated vibe, wearing a tailored vest and standing confidently in front of an elegant, richly detailed wooden bookshelf. The bookshelf is filled with books, softly illuminated by the warm golden glow of a sunset lamp, creating a cozy and nostalgic atmosphere. The mouse's big, expressive eyes and refined attire convey intelligence and curiosity. The scene features intricate textures, warm tones, and a soft focus reminiscent of analog photography. Classic vintage elegance meets a whimsical and academic style --ar 9:16