.e-ticket .header {
                text-align: center;
                margin-bottom: 20px;
                border-bottom: 1px dashed #ccc;
                padding-bottom: 10px;
            }
            .e-ticket .header h1 {
                color: #333;
                margin: 0;
                font-size: 24px;
            }
            .e-ticket .info {
                margin-bottom: 20px;
            }
            .e-ticket .info p {
                margin: 8px 0;
                padding: 8px;
                background-color: #f9f9f9;
                border-radius: 5px;
                font-size: 14px;
            }
            .e-ticket .qr-code {
                text-align: center;
                margin: 20px 0;
                padding: 15px;
                background: #f9f9f9;
                border-radius: 8px;
            }
            .e-ticket .qr-code img {
               
                display: block;
                margin: 0 auto 10px;
            }
            .e-ticket .footer {
                text-align: center;
                font-size: 12px;
                color: #777;
                margin-top: 20px;
                border-top: 1px dashed #ccc;
                padding-top: 10px;
            }
            /* Notifikasi Hasil Scan */
            .scan-success {
                background: #d4edda;
                color: #155724;
                padding: 10px;
                border-radius: 4px;
                margin-bottom: 20px;
                text-align: center;
                border: 1px solid #c3e6cb;
            }
            
            .scan-error {
                background: #f8d7da;
                color: #721c24;
                padding: 10px;
                border-radius: 4px;
                margin-bottom: 20px;
                text-align: center;
                border: 1px solid #f5c6cb;
            }
            .scan-warning {
                background-color: #fff3cd;
                border-left: 5px solid #ffc107;
                padding: 10px;
                margin-bottom: 20px;
                font-weight: bold;
            }
            .sertifikat-button a {
              text-decoration: none;
              background-color: #10B981;
              color: #fff;
              padding: 10px 20px;
              border-radius: 8px;
              text-decoration: none;
              font-weight: bold;
              transition: background-color 0.2s ease;
            }
            
            .sertifikat-button a:hover {
                color: #fff;
              background-color: #005177;
            }
            .google-calendar-button a {
                text-decoration: none;
                background-color: #3B82F6;
                color: #fff;
                padding: 10px 20px;
                border-radius: 8px;
                text-decoration: none;
                font-weight: bold;
                transition: background-color 0.2s ease;
            }
            .google-calendar-button a:hover {
                color: #fff;
                background-color: #005177;
            }