            <div id="file-list" class="file-list" style="display: none; max-height: 200px; overflow-y: auto; margin-top: 10px;"></div>
                    <div id="loading-waiter" class="loading-waiter" style="display: none;">
                        <div class="spinner"></div>
                        <p>Processing images...</p>
                    </div>
                </div>
                <div id="progress-container" style="margin-top: 10px;"></div>
                <button type="button" class="next-btn