:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--accent: #f59e0b}body{margin:0;min-height:100vh;display:grid;place-items:center;background:Canvas;color:CanvasText}.shell{max-width:28rem;padding:2rem 1.25rem;text-align:center}h1{margin:0 0 .25rem;font-size:2.25rem;color:var(--accent)}.tagline{margin:0 0 2rem}button{font:inherit;padding:.75rem 1.5rem;border-radius:.5rem;border:1px solid currentColor;background:transparent;color:inherit}button:disabled{opacity:.5}.muted{opacity:.7;font-size:.875rem}