               <h4>Drag & Drop PDF Files Here</h4>
                            <p>or click to select files</p>
                            <input type="file" id="file-input" multiple accept=".pdf">
                        </div>
                    </div>

                    <!-- File List -->
                    <div class="file-list" id="file-list"></div>

                    <!-- Tool Options (form fields are injected here by script.js) -->
                    <div class="tool-options" id="tool-options"