Fix modal display issue - add debugging and async/await

- Made print button handler async and await handleQZTrayPrint
- Added console.log debugging to track modal element and class changes
- This should fix the modal not appearing during print operations

py_app/app/templates/print_module.html

@@ -38,7 +38,7 @@
 
 /* Print Progress Modal Styles */
 .print-progress-modal {
-    display: none;
+    display: none !important;
     position: fixed;
     z-index: 9999;
     left: 0;
@@ -54,6 +54,7 @@
     display: flex !important;
 }
 
+
 .print-progress-content {
     background-color: white;
     padding: 30px;
@@ -1444,6 +1445,10 @@ async function handleQZTrayPrint(selectedRow) {
     const reprintBtn = document.getElementById('reprint-last-btn');
     const cancelBtn = document.getElementById('cancel-print-btn');
     
+    // Debug: Check if modal exists
+    console.log('🔍 Modal element:', modal);
+    console.log('🔍 Modal classList before:', modal ? modal.classList.toString() : 'MODAL NOT FOUND');
+    
     // Reset controller state
     printController = {
         isPaused: false,
@@ -1493,7 +1498,11 @@ async function handleQZTrayPrint(selectedRow) {
         console.log(`🖨️ Printing ${quantity} labels via QZ Tray to ${selectedPrinter}`);
         
         // Show modal with show class for proper display
+        console.log('👉 Adding show class to modal...');
         modal.classList.add('show');
+        console.log('🔍 Modal classList after:', modal.classList.toString());
+        console.log('🔍 Modal computed display:', window.getComputedStyle(modal).display);
+        
         log.innerHTML = '';
         addLogEntry(`Starting print job: ${quantity} labels`, 'info');
         addLogEntry(`Printer: ${selectedPrinter}`, 'info');
@@ -1674,7 +1683,7 @@ async function handleQZTrayPrint(selectedRow) {
 }
 
 // Print Button Handler - Routes to appropriate print method
-document.getElementById('print-label-btn').addEventListener('click', function(e) {
+document.getElementById('print-label-btn').addEventListener('click', async function(e) {
     e.preventDefault();
     
     // Get selected order
@@ -1688,7 +1697,7 @@ document.getElementById('print-label-btn').addEventListener('click', function(e)
     const printMethod = document.querySelector('input[name="printMethod"]:checked').value;
     
     if (printMethod === 'qztray') {
-        handleQZTrayPrint(selectedRow);
+        await handleQZTrayPrint(selectedRow);
     } else {
         handlePDFGeneration(selectedRow);
     }