body {
  font-family: Arial, sans-serif;
  background-color: #f4f6f8;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
  text-align: center;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  background: #007bff;
  color: white;
  padding: 10px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}

#message {
  margin-top: 1rem;
  text-align: center;
  color: green;
}