:root{--bg:#f8fafc;--text:#0f172a;--muted:#64748b;--accent:#0891b2;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5}*{box-sizing:border-box}body{min-height:100svh;margin:0}.app{max-width:640px;padding:1.5rem 1rem;padding-top:calc(1.5rem + env(safe-area-inset-top));padding-bottom:calc(1.5rem + env(safe-area-inset-bottom));margin:0 auto}.app-header h1{letter-spacing:-.02em;margin:0;font-size:2rem}.tagline{color:#64748b;margin:.25rem 0 0;font-size:.95rem}.app-body{color:#334155;margin-top:2rem}