# Bills Page Modifications - Completed

## Tasks Completed
- [x] Add back button to the right side of the title
  - Added a back button using `url()->previous()` to return to the previous page
- [x] Separate the buttons inside the All Bills card
  - Removed `btn-group` and made buttons individual with `d-flex gap-2`
- [x] Add date picker start date and end date to filter results
  - Added form with start_date and end_date inputs
  - Updated InvoiceController to handle date filtering on due_date
  - Form submits GET request to same route with query params

## Files Modified
- `app/Http/Controllers/InvoiceController.php`: Added filtering logic for status and date range
- `resources/views/invoices/index.blade.php`: Updated UI with back button, separated buttons, and date filters

## Technical Details
- Back button uses Laravel's `url()->previous()` helper
- Date filters apply to `due_date` field in database
- Status filtering maintained existing functionality
- Form uses GET method to allow bookmarkable/filtered URLs
