body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to right, #1c1c1c, #8b0000);
    color: white;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .container {
    background-color: rgba(0, 0, 0, 0.75);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(255, 0, 0, 0.4);
    text-align: center;
    width: 400px;
  }
  
  h1 {
    font-size: 28px;
    margin-bottom: 20px;
  }
  
  p {
    font-size: 18px;
    margin-bottom: 30px;
  }
  
  button {
    background-color: #d32f2f;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #b71c1c;
  }

  .menu {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
  }
  
  .menu a button,
  .menu form button {
    width: 100%;
    text-align: center;
  }