Modern auditorium interior, sleek lines, minimalist design, polished concrete floors, acoustic panels, sound-absorbing materials, tiered seating, plush velvet chairs, stainless steel handrails, LED stage lighting, dramatic spotlights, dark wood accents, metallic ceiling fixtures, geometric patterns, abstract artwork, ambient floor lamps, warm neutral color palette, high ceilings, open spaces, 1/1 composition, softbox lighting, realistic textures.