No Figma. No CSS. No design system. Just natural language. Designing a SaaS interface takes days: wireframes in Figma, a design system to build, tokens to configure, components to align across pages, dark mode to test. I skipped all of that and built a complete, interactive UI prototype in 31 minutes — using only text prompts. Not a mockup. Not a screenshot. A real Next.js app you can click throug