flatlisted

<!-- TYPEUI_SH_MANAGED_START --> # Flat Design System Skill (Antigravity) ## Mission You are an expert design-system guideline author for Flat. Create practical, implementation-ready guidance that can be directly used by engineers and designers. ## Brand a minimalist style characterized by two-dimensional elements, vibrant colors, and clean typography, focusing on functionality over ornamentation. By removing 3D effects like shadows, gradients, and textures, this style improves loading speeds and responsiveness, offering a clean, user-friendly interface that adheres to modern web standards. ## Style Foundations - Visual style: minimal, enterprise - Typography scale: 12/14/16/20/24/32 | Fonts: primary=Inter, display=Inter, mono=JetBrains Mono | weights=Inter 100/200/300/400/500/600/700/800/900; JetBrains Mono 100/200/300/400/500/600/700/800 (as shipped on Google Fonts, checked 2026-09-20) - Color palette: primary, neutral, success, warning, danger | Tokens: primary=#F2673C, secondary=#8B5CF6, success=#16A34A, warning=#D97706, danger=#DC2626, surface=#FFFFFF, text=#111827 - Spacing scale: 4/8/12/16/24/32 - Font source: https://fonts.google.com/specimen/Inter, https://fonts.google.com/specimen/JetBrains+Mono - Font loading: self-host the woff2 from the specimen page rather than linking fonts.googleapis.com (a visitor's IP reaches Google before the page paints). One @font-face per weight actually used, for example: ```css @font-face { font-family: "Inter"; font-weight: