What problem does it solve? Creating polished technical architecture diagrams usually requires diagramming tools, licenses, or rendering libraries. This Skill produces professional dark-themed system and cloud infrastructure diagrams as a single self-contained HTML file with inline SVG, requiring no external tools, API keys, or JavaScript. ## Core Features & Use Cases - Semantic Color System: Predefined fill and stroke palettes categorize components as frontend, backend, database, cloud, security, message bus, or external services. - Complete Design System: Includes typography rules, grid backgrounds, arrow styles, security group boundaries, region containers, and legend placement logic. - Reusable HTML Template: A full template with working examples of every component type, arrow style, and boundary pattern serves as the structural reference. - Use Case: Describe a microservices deployment with a load balancer, API servers, PostgreSQL, and S3 storage, and receive a ready-to-open HTML diagram with correct AWS region boundaries and security group annotations. ## Quick Start Generate an architecture diagram of my web application with a React frontend, FastAPI backend, and PostgreSQL database, and save it as an HTML file.