body{
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:#f3f4f6;
  margin:0;
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
}

.card{
  background:#fff;
  padding:24px 28px;
  border-radius:16px;
  box-shadow:0 18px 40px rgba(15,23,42,.18);
  width:320px;
  max-width:90vw;
}

h1{
  margin:0 0 18px;
  font-size:20px;
  text-align:center;
}

label{
  display:block;
  font-size:14px;
  margin-bottom:4px;
}

input{
  width:100%;
  box-sizing:border-box;
  padding:9px 11px;
  border-radius:10px;
  border:1px solid #d1d5db;
  margin-bottom:12px;
  font-size:14px;
}

button{
  width:100%;
  padding:10px 12px;
  border-radius:999px;
  border:0;
  font-weight:600;
  font-size:14px;
  background:#dc2626;
  color:#fff;
  cursor:pointer;
}

button:hover{
  background:#b91c1c;
}

.alert{
  padding:8px 10px;
  border-radius:8px;
  font-size:13px;
  margin-bottom:10px;
  background:#fef2f2;
  border:1px solid #fecaca;
  color:#b91c1c;
}