@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500&display=swap');
  *{box-sizing:border-box;margin:0;padding:0}
  html,body{height:100%;background:#f4f4f4;font-family:'DM Sans',sans-serif;font-size:13px}
  .lw{min-height:100vh;display:flex;align-items:center;justify-content:center}
  .lb{background:#fff;border:1px solid #e0e0e0;border-radius:5px;padding:28px 30px;width:270px;box-shadow:0 1px 6px rgba(0,0,0,.06)}
  .lb h1{font-size:15px;font-weight:500;color:#111;margin-bottom:18px}
  .lb label{display:block;font-size:11px;color:#888;margin-bottom:3px}
  .lb input{width:100%;padding:7px 9px;background:#f7f7f7;border:1px solid #ddd;border-radius:3px;color:#111;font-size:13px;outline:none;margin-bottom:10px;transition:border .15s}
  .lb input:focus{border-color:#333;background:#fff}
  .lb button{width:100%;padding:8px;background:#111;border:none;border-radius:3px;color:#fff;font-size:13px;font-weight:500;cursor:pointer;transition:background .15s}
  .lb button:hover{background:#333}
  .err{color:#c0392b;font-size:11px;margin-top:8px}