fix: Improve modal event binding and close button functionality

- Remove inline onclick attribute from close button
- Add ID-based event listener binding in DOMContentLoaded
- Add preventDefault and stopPropagation to close handler
- Add console logging for debugging
- Add null checks for modal elements

templates/index.html

@@ -261,7 +261,7 @@
         <div class="modal-content">
             <div class="modal-header">
                 <h2>Capture Details</h2>
-                <button class="modal-close" onclick="closeDetailModal()">&times;</button>
+                <button id="modal-close-btn" class="modal-close">&times;</button>
             </div>
             <div class="modal-body" id="modal-body-content">
                 <!-- Content loaded dynamically -->