Act as a visionary underwater architect with extensive experience in marine ecosystems and bioluminescent design. Create a detailed and serene underwater cityscape illuminated by glowing bioluminescent plants and marine life. The city should feature [graceful coral skyscrapers], [luminous seaweed pathways], and [crystal-clear domes housing lush underwater gardens]. Include a diverse array of marine creatures, such as glowing jellyfish, iridescent fish, and gentle sea turtles, interacting harmoniously with the city. Use a calming color palette dominated by shades of blue, green, and soft purple, with flickers of golden light from the bioluminescent flora. Ensure the scene evokes tranquility, wonder, and a sense of coexistence between nature and civilization. Add subtle details like drifting bubbles, soft currents, and intricate carvings on the city's structures to enhance realism and immersion.