Vibrant gymnasium interior, postmodernist style, bold color blocking, abstract geometric patterns, textured concrete walls, exposed ductwork, industrial metal beams, reclaimed wood accents, eclectic furniture arrangements, distressed leather upholstery, metallic mesh dividers, neon signage, dynamic spot lighting, high-contrast shadows, shallow depth of field, 2/3 composition, gritty realistic textures, subtle ambient occlusion.