- Unify Saturday+Sunday into single isWeekend flag (header + grid lines)
- Replace hardcoded amber vacation bar/tooltip colors with brand-* classes
- Add global accent-color for checkboxes and radio buttons via CSS variable
- Update VACATION_TIMELINE_COLORS/BORDER to use brand palette (SICK stays red)
- Vacation-only tooltip uses neutral dark surface with brand accent border
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Hartmut
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