body {
  background: #222;
  color: #fff;
  font-family: Arial, sans-serif;
  display: flex;
  height: 100vh;
  align-items: center;
  justify-content: center;
}

.login-box {
  background: #333;
  padding: 30px;
  border-radius: 8px;
  width: 300px;
  text-align: center;
}

input {
  width: 100%;
  margin: 10px 0;
  padding: 8px;
}

button {
  width: 100%;
  padding: 10px;
  background: #4caf50;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background: #43a047;
}

#message {
  margin-top: 10px;
  color: #ff5555;
}