Online architecture diagram tool, digital interface, modern minimalist design, sleek lines, futuristic tone, 3D visualization, drag-and-drop functionality, colorful icons, scrolling menu, hover effects, shadowing, gradient background, realistic rendering, isometric view, zoom-in capability, interactive elements, subtle animations, clean typography, white space emphasis, grid system, desktop computer, ergonomic chair, office setting, natural light pouring in through a window.