body {
  font-family: Arial, sans-serif;
  padding: 30px 20px;
  background: #f8f9fa;
  max-width: 500px;
  margin: auto;
}

h2 {
  text-align: center;
}

form {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,.1);
}

input, button {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border-radius: 6px;
  border: 1px solid #ccc;
}

button {
  background: #28a745;
  color: #fff;
  border: none;
}

button:hover {
  background: #218838;
}

.message {
  padding: 10px;
  margin-top: 10px;
  border-radius: 5px;
}

.success {
  background: #d4edda;
  color: #155724;
}

.error {
  background: #f8d7da;
  color: #721c24;
}

.logo {
  display: block;
  width: 150px;
  margin: 0 auto 15px auto;
}