:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1f2933;background:#f4f5f7}body{margin:0;min-height:100vh;display:grid;place-items:center}.caixa{width:min(380px,calc(100vw - 32px));background:#fff;border-radius:8px;padding:24px;box-shadow:0 1px 3px #0000001f}h1{font-size:1.25rem;margin:0 0 16px}.ambiente{display:inline-block;margin:0 0 16px;padding:2px 8px;border-radius:4px;background:#fff4d6;font-size:.85rem}form{display:grid;gap:12px}label{display:grid;gap:4px;font-size:.9rem}input{padding:8px;font-size:1rem;border:1px solid #c3c8cf;border-radius:4px}button{padding:10px;font-size:1rem;border:0;border-radius:4px;background:#1d4ed8;color:#fff;cursor:pointer}button:disabled{opacity:.6;cursor:wait}button.secundario{background:transparent;color:#1d4ed8}.qr{width:200px;height:200px;justify-self:center}code{word-break:break-all}.aviso{color:#b42318}