added close modal keybinds for admin menu

views/admin/CustomFieldsView.php

@@ -169,6 +169,20 @@
             document.getElementById('fieldModal').style.display = 'none';
         }
 
+        // Close modal on ESC key
+        document.addEventListener('keydown', (e) => {
+            if (e.key === 'Escape') {
+                closeModal();
+            }
+        });
+
+        // Close modal when clicking on backdrop (outside content)
+        document.getElementById('fieldModal').addEventListener('click', (e) => {
+            if (e.target.classList.contains('settings-modal')) {
+                closeModal();
+            }
+        });
+
         function toggleOptionsField() {
             const type = document.getElementById('field_type').value;
             document.getElementById('options_row').style.display = type === 'select' ? 'block' : 'none';