* fix: browser back gesture closes modal instead of navigating
- Push history state when opening medication detail modal
- Handle popstate event to close modal on browser back
- Replace direct setSelectedMed(null) with closeMedDetail() helper
- Improves mobile UX: swiping back closes modal instead of leaving page
* feat: add back-swipe support for all modals
- Add history.pushState/popstate handling for all modal types
- Profile, ShareDialog, EditModal, RefillModal, ImageLightbox,
ScheduleLightbox, UserFilter now all support browser back button
- Mobile users can now swipe back to close any modal instead of
navigating away from the app
- ESC key also triggers proper history-based close for all modals
- Fix duplicate openShareDialog function
- Fix recursive call bug in openUserFilter
* fix: prevent past days count from wrapping to new line
- Add flex-wrap: nowrap to .past-days-toggle
- Add white-space: nowrap and flex-shrink: 0 to .past-days-count
- Ensures (7 Tage), (14 Tage) etc. stays on same line as label
* fix: improve schedule row layout for mobile screens
- Stack schedule label and value vertically on small screens (<400px)
- Add word-break for long text values
- Prevents 'Einnahmeprüfung' and '15 Min. vor geplanter Zeit' from overlapping
* feat: add back-swipe support for image lightbox on share page
- Add history.pushState/popstate handling for lightbox in SharedSchedule
- Mobile users can now swipe back to close image instead of navigating away
Daniel Volz
288e075786