Imagine capturing the hustle and bustle of city life on your nails, where each finger tells a story of urban splendor and excitement. From the towering skyscrapers at dusk to the twinkling streetlights glittering like stars, these designs echo the vibrancy of a city that never sleeps. Incorporate the electric neon signs and grid-like street layouts, wrapping each nail in a panorama of urban life. Compliment these features with a soft gradient of blues and silvers to depict the glowing fog of city smog and moonlit skies, evoking the essence of nighttime in the concrete jungle. To finish, add a touch of rose gold on the tips, representing the endless possibilities that abound on the city's horizon.