Dark, mystical nightclub, Byzantine-inspired architecture, rich jewel-toned color palette, emerald green walls, sapphire blue ceilings, ruby red accents, gold leaf details, ornate mosaics, intricate patterns, luxurious velvet fabrics, crystal chandeliers, dim warm lighting, atmospheric fog effects, dramatic spotlights, 3/4 composition, cinematic camera angles, high-contrast rendering, detailed textures, ambient occlusion.