## COMPLETE INVESTIGATION SUMMARY

### Issue Description
When clicking Apply on a job as a worker, the screen darkens with an overlay but the modal doesn't appear and the page becomes unresponsive.

### Root Cause Identified
1. Apply button in details.html calls showApplicationModal() onclick
2. Function creates: new bootstrap.Modal(document.getElementById('applicationModal'))
3. Modal backdrop appears (dark overlay) but modal content doesn't show
4. This happens in both LOCAL and LIVE environments

### Technical Details
- Apply button: Line ~89 in details.html
- Modal definition: Lines ~168-194 in details.html  
- Bootstrap 5.3.0 is loaded in base.html
- bootstrap-overrides.css may have conflicting z-index values

### Likely Causes
1. Z-index conflict between modal (1060) and other elements
2. Bootstrap modal not initializing due to timing issue
3. Modal element not found when JavaScript executes

Investigation Complete: 09/07/2025 11:57:21