A luminous underwater coral city with bioluminescent towers shaped like frozen music notes, inhabited by translucent jellyfish with inner glow, surrounded by swaying sea plant skyscrapers in impossible neon colors, fine line art with soft watercolor fills, botanical frame border of kelp vines and glowing pearl oysters, magical realism, soft filtering light from above like liquid gold, palette of electric coral, luminous aquamarine, deep sea violet and shimmering pearl, enchanted abyssal metropolis, whimsical fantasy art