Create a Sealab 2021-themed 3D pop-up papercraft storybook diorama on rustic table, elevated view. Title "Undersea Command" subtitle "Deep Sea Disasters", surrounded by ocean-themed paper decorations. Layered underwater world with deep blue sky-to-ocean gradient backdrop, Sealab station, coral reefs, and miniature crew members in retro-futuristic diving suits. Interactive elements: submarine vehicles, sea creatures, control panels. Aquatic blue-toned paper textures, retro-futuristic whimsical aesthetic.