:root{color:#1a1a1a;font-family:system-ui,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{background:#fff;margin:0}.page{background:#fff;justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.card{text-align:center;flex-direction:column;gap:16px;width:100%;max-width:360px;display:flex}.card h1{margin:0;font-size:32px;font-weight:600}.subtitle{color:#6b7280;margin:0;font-size:15px}.btn{color:#1a1a1a;cursor:pointer;background:#fff;border:1px solid #d1d5db;border-radius:8px;padding:12px 20px;font-size:15px;font-weight:500;transition:background .15s,border-color .15s;display:inline-block}.btn:hover:not(:disabled){background:#f9fafb;border-color:#9ca3af}.btn:disabled{opacity:.6;cursor:default}.error{color:#b91c1c;margin:0;font-size:14px}