body {
    font-family: 'Segoe UI', sans-serif;
    background: #fff;
    color: #222;
    text-align: center;
    margin: 0;
    padding: 40px;
  }
  
  h1 {
    color: #d32f2f;
  }
  
  form {
    margin: 20px auto;
    display: flex;
    justify-content: center;
    gap: 10px;
  }
  
  input, button {
    padding: 10px;
    font-size: 16px;
    border-radius: 5px;
    border: 1px solid #ccc;
  }
  
  button {
    background: #d32f2f;
    color: white;
    border: none;
    cursor: pointer;
  }
  
  button:hover {
    background: #b71c1c;
  }
  
  .card {
    max-width: 500px;
    margin: 30px auto;
    background: #f9f9f9;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: left;
  }
  
  /* Progress bar */
  .progress {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
  }
  
  .step {
    flex: 1;
    text-align: center;
    padding: 10px;
    border-radius: 5px;
    background: #eee;
    color: #666;
    font-weight: 500;
    margin: 0 3px;
  }
  
  .step.active {
    background: #d32f2f;
    color: white;
  }