body {
  font-family: Arial, sans-serif;
  background-color: #1f1f1f;
  color: #fff;
  margin: 0;
  padding: 0;
}

.login-container {
  max-width: 400px;
  margin: 10% auto;
  padding: 2rem;
  background-color: #2a2a2a;
  border-radius: 8px;
  box-shadow: 0 0 10px #000;
}

input {
  display: block;
  width: 100%;
  padding: 0.5rem;
  margin-bottom: 1rem;
  border: none;
  border-radius: 4px;
}

button {
  width: 100%;
  padding: 0.7rem;
  background-color: #007bff;
  color: white;
  border: none;
  font-weight: bold;
  cursor: pointer;
  border-radius: 4px;
}

button:hover {
  background-color: #0056b3;
}

.error {
  color: red;
  margin-top: 0.5rem;
}