/* Floating QR container */
    #qr-container {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background: white;
      padding: 10px;
      border: 2px solid #ccc;
      border-radius: 12px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.2);
      z-index: 9999;
    }

    #qr-container img {
      width: 150px;
      height: 150px;
      display: block;
    }

    #qr-container p {
      margin: 5px 0 0;
      font-size: 12px;
      text-align: center;
      color: #333;
    }

    @media (max-width: 600px) {
      #qr-container {
        width: 120px;
      }

      #qr-container img {
        width: 120px;
        height: 120px;
      }

      #qr-container p {
        font-size: 10px;
      }
    }