body {
  font-family: 'Segoe UI', sans-serif;
  background: #f1f5f9;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.login-box {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  width: 300px;
  text-align: center;
}

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

.login-box input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ddd;
  border-radius: 6px;
}

.login-box button {
  width: 100%;
  padding: 10px;
  background-color: #1d4ed8;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
}

.login-box button:hover {
  background-color: #2563eb;
}

.error {
  color: red;
  margin-top: 10px;
}