Build Original Excel Habit Tracker

I need a 30-day habit-tracking workbook created completely from scratch in Microsoft Excel. The file must carry a classic, simple aesthetic—clean grids, restrained colours, no distracting graphics—yet still feel polished enough for resale under my own brand, so please avoid all third-party or premade templates.

Core logic and layout
• Month selector (drop-down) that instantly updates all date labels.
• Daily tracking for productivity habits with either tick-boxes or a Yes/No drop-down in every cell.
• Automatic percentage calculation of days completed.
• Circular progress chart that refreshes in real time.
• Streak counter that recognises uninterrupted runs.
• At-a-glance dashboard summarising the month’s totals and longest streak.
• Simple instructions so the workbook can be duplicated for any future month with no broken formulas.

Ownership & rights
All formulas, VBA (if any), conditional formatting and visuals must be your own work. On delivery I require full commercial rights to edit, brand and sell the finished file without attribution.

Acceptance criteria
1. Workbook opens error-free in the latest desktop Excel (Windows & Mac).
2. Changing the month drop-down repopulates dates correctly.
3. Marking a day instantly updates the percentage, circular chart and streak count.
4. No hidden sheets, links or licensing restrictions.

If you have sample dashboards or progress visualisations you’ve built before, feel free to share a screenshot or short video so I can gauge style and formula approach. Looking forward to seeing a clear, well-structured Excel solution that is genuinely original and easy to roll out month after month.