- Change default theme from light to dark for first-time visitors
- Fix Alpine reactive theme toggle so icons and data-bs-theme update correctly
- Remove hardcoded bg-light classes that prevented dark mode from applying
- Fix broken duplicate Bootstrap bundle import in app.js
- Make dark mode toggle reactive using Alpine x-data theme property
- Apply saved theme on page load via data-bs-theme attribute binding
- Remove hardcoded bg-light classes that broke dark mode styling
- Fix duplicate/broken Bootstrap bundle import in app.js
