body {
  font-family: Arial, sans-serif;
  background: #f3f3f3;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.login-container {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.login-box h2 {
  margin-bottom: 20px;
  text-align: center;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button[type="submit"] {
  width: 100%;
  background: #007bff;
  color: white;
  padding: 10px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.error {
  color: red;
  text-align: center;
  margin-bottom: 15px;
}