1girl, masterpiece, top quality, highly detailed character design, full body, anime style, a clever and nonchalant female clockwork engineer, cobalt blue bob hair with a subtle gold gradient at the tips, one side braided with a tiny brass key, asymmetrical amber eyes with subtle gear patterns inside the pupils, smirking expression with half-closed eyes, wearing a navy sleeveless shirt, high-waisted shorts, an oversized brown leather jacket slouched off her shoulders, gold bolo tie, asymmetrical legwear, one black knee-high sock, brown retro leather boots, holding a large glowing brass wrench, adjusting a floating holographic clock hands, a floating brass halo shaped like three layered rotating gears above her head, a large mechanical sundial apparatus mounted on her back with a flexible pendulum tail, background of an intricate astronomical clock tower interior with floating glowing gear particles, dynamic posing, depth of field, vivid lighting, sharp focus, 5 to 8 pale translucent hearts in the background, arranged in varying sizes, floating softly around the girl, anime illustration, great quality, best quality