Modern gymnasium interior, polished wooden floors, mirrored walls, high ceilings, athletic equipment, basketball hoops, volleyball nets, exercise machines, free weights, yoga mats, sound-absorbing panels, vibrant color schemes, motivational quotes, natural light, large windows, sliding glass doors, open-plan layout, functional zones, social areas, spectator seating, scoreboards, digital displays, ambient lighting, soft shadows, shallow depth of field, 1/1 composition, realistic textures.