*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,sans-serif;background:#f5f7fa;color:#152538}main{max-width:780px;margin:0 auto;padding:56px 20px}h1{font-size:34px;margin:0 0 10px}.tagline{font-size:17px;color:#58677a;margin-bottom:38px}.auth{max-width:480px;margin:auto}.auth nav,.buttons{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}button{border:0;background:#153855;color:#fff;border-radius:9px;padding:12px 17px;font-size:14px;cursor:pointer}button.secondary{background:#e2e9f0;color:#16283a}button:disabled{opacity:.5;cursor:default}.panel{border:1px solid #dce4ee;border-radius:16px;background:#fff;padding:28px}.panel header{display:flex;justify-content:space-between;align-items:center}.summary{padding:16px;border-radius:10px;background:#e9f6ef;margin-top:18px}.error{color:#9e1b1b}footer{text-align:center;color:#768495;margin-top:48px;font-size:12px}