Abandoned underwater research laboratory at twilight, shattered glass observation panels and rusted metal equipment scattered across flooded corridors, bioluminescent jellyfish drifting through murky water casting ethereal glow, warm amber emergency lights cutting through darkness creating volumetric light rays and floating sediment particles, cool cyan deep-sea ambient lighting mixing with golden glow, dramatic volumetric chiaroscuro lighting, Unreal Engine 5 render with raytracing global illumination. Hand-drawn animation frame by frame, watercolor textures on oxidized metal and cracked glass, gouache backgrounds with deep ocean teal and warm amber tones, visible ink brushstrokes on scientific equipment, melancholic contemplative mood, cinematic composition with strong horizontal corridors and vertical shattered panels receding into luminous depths, paper grain texture --ar 16:9 --v 6