nt)"/>

                        <div class="d-flex mt-3">
                            <!-- Container for file list -->
                            <div id="file-list" class="mr-3" style="width: 30%; max-height: 500px; overflow-y: auto;">
                                <!-- File names will be inserted here -->
                            </div>

                            <!-- Container for PDF preview -->
                            <div id="pdf-preview-container"
                                 style="w