underwater, alien planet, advanced technology, precursor architecture, bioluminescent plants, submerged structures, archways, floating islands, crystal formations, alien fish, exploration, scuba diver, futuristic submarine, holographic interfaces, ambient lighting, blue-green color palette, mysterious atmosphere, wide-angle shot, detailed textures, metallic surfaces, glowing symbols, enigmatic ruins, high-tech devices, seamless integration with nature, coral reefs, deep-sea, vast ocean, 3/4 view, soft diffused light, science fiction, panoramic view.