body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #667eea, #764ba2);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
}

.login-container {
  background-color: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0,0,0,0.2);
  width: 320px;
  text-align: center;
}

h2 {
  margin-bottom: 20px;
  color: #333;
}

input {
  width: 90%;
  padding: 10px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 15px;
}

button {
  background-color: #667eea;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  margin-top: 10px;
}

button:hover {
  background-color: #556cd6;
}

#message {
  font-size: 14px;
  margin-top: 10px;
}

.success {
  color: green;
}

.error {
  color: red;
}