Web application architecture diagram, modern minimalistic style, simple lines, bright colors, 3D illustration, isometric view, cloud infrastructure, servers, databases, APIs, load balancers, firewalls, routers, switches, hubs, modems, laptops, desktops, mobile devices, wires, cables, plugs, screens, keyboards, mice, futuristic, high-tech, digital, virtual, network topology, system design, information flow, data transmission, communication protocols, cloud computing, scalability, reliability, security, performance, latency, response time, user interface, wireframe, blueprint, technical drawing, detailed labels, clean layout, organized structure.