Capture a mesmerizing view of a futuristic underwater cityscape bustling with vibrant marine life, featuring a giant monolithic castle, glowing windows

Infuse dynamic lighting effects to evoke an otherworldly ambiance, casting colorful glows and shadows across the underwater landscape. Incorporate lush coral reefs, colorful fish, and swirling aquatic plants to create a (vibrant and enchanting:1.3) (underwater:1.5) world that sparks wonder and exploration

(dark and gloomy:1.2), (mystical lighting:1.4)