html, body {
    height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #fafafa;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    overflow: hidden;
  }
  
  .container {
    background-color: #ffffff;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    border-radius: 16px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.08);
    text-align: center;
  }
  
  .logo {
    width: 180px;
    margin-bottom: 20px;
  }
  
  h1 {
    font-size: 1.6rem;
    margin-bottom: 10px;
  }
  
  .subtext {
    color: #666;
    margin-bottom: 20px;
  }
  
  form {
    margin-bottom: 20px;
  }
  
  input[type="text"] {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ddd;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 10px;
  }
  
  button {
    padding: 12px;
    background-color: #000;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
  }
  
  .loader {
    border: 4px solid #f3f3f3;
    border-radius: 50%;
    border-top: 4px solid #000;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    margin: 10px auto;
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  
  #status {
    margin-top: 10px;
    color: #888;
  }
  
  .instructions {
    font-size: 0.85rem;
    color: #888;
    padding: 0;
    margin-top: 20px;
    text-align: center;
  }

  .instructions {
    padding-left: 25px;
    text-align: left;
  }
  
  .instructions li {
    margin-bottom: 8px;
  }
  
  footer {
    margin-top: 20px;
    color: #aaa;
    font-size: 0.75rem;
  }
  
  footer a {
    color: #aaa;
    text-decoration: none;
  }
  
  footer a:hover {
    text-decoration: underline;
  }