Vibrant gymnasium interior, bold color scheme, energetic atmosphere, dynamic lighting, sleek flooring, modern sports equipment, basketball courts, athletic tracks, exercise stations, motivational quotes, industrial metal beams, exposed ductwork, polished concrete walls, neon signage, urban graffiti, trendy furniture, comfortable seating areas, natural wood accents, warm beige tones, deep blues, bright oranges, sunny yellow highlights, high-contrast color blocking, 1/2 composition, dramatic shadows, realistic reflections.