Luxurious opera house interior, sleek Streamline Moderne design, grand staircase, ornate chandeliers, rich velvet drapes, polished marble floors, minimalist metal railings, elegant curved lines, sophisticated acoustic panels, state-of-the-art stage lighting, plush red seats, intimate performance spaces, dramatic high ceilings, ornamental balconies, lavish VIP lounges, avant-garde art installations, warm ambient lighting, shallow depth of field, 1/1 composition, realistic textures, subtle gradient maps.