Vibrant gymnasium interior, postmodernist architecture style, bold color blocking, bright neon accents, electric blue tones, warm beige walls, rich wood flooring, retro-futuristic lighting fixtures, abstract geometric patterns, distressed concrete textures, industrial metal beams, exposed ductwork, dynamic angular lines, eclectic mix of vintage and modern elements, playful typography, nostalgic 80s atmosphere, high-contrast color scheme, dramatic shadows, 1/1 composition, cinematic lighting, realistic reflections.