:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--brand-600:#2563eb;--brand-700:#1d4ed8;--slate-100:#f1f5f9;--slate-200:#e2e8f0;--slate-600:#475569;--slate-800:#1e293b;--ok-600:#16a34a;--err-600:#dc2626;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}*{box-sizing:border-box}body{background:var(--slate-100);color:var(--slate-800);margin:0}#app{background:#fff;flex-direction:column;gap:1rem;max-width:480px;min-height:100vh;margin:0 auto;padding:1rem;display:flex}button{font:inherit;cursor:pointer;border:none;border-radius:.5rem;padding:.75rem 1rem;font-weight:600}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand-600);color:#fff}.btn-primary:hover:not(:disabled){background:var(--brand-700)}.btn-secondary{background:var(--slate-200);color:var(--slate-800)}