Wedding OS Core V1 — START HERE
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1) Unzip this archive.
2) Open Wedding-OS-Sample.xlsx FIRST (demo couple — styled UI, charts, RSVP colours).
3) Use Wedding-OS-Blank.xlsx for your real wedding (same styled structure, empty data rows).

Best viewing: Microsoft Excel desktop (Mac/Windows).
- Excel Online / Google Sheets: formulas work; some tab colours/charts may look flatter — re-insert charts from Dashboard Chart Data / Budget category rollup if needed (see SETUP.md).
- Apple Numbers: often strips Excel tab colours, charts, and conditional formatting — use Excel or Sheets instead.

You should see 15 coloured sheet tabs: Start, Config, Dashboard, Budget, Guests, Seating, Conflicts, Vendors, Calendar, DayOf, Tasks, Vision, Packing, Gifts, Honeymoon.

Polish V1.1 includes: cream title bands, sage/blush/gold KPI cards, 3 charts, Vision swatches, RSVP/task/conflict conditional formatting.
