Need a date-picker-responsive card that subtracts two statistics (Solar TOU) Setup: Home Assistant Green + Enphase solar via Envoy integration. Building a TOU energy tracking dashboard ahead of switching to a time-of-use rate plan this summer. **What I have working:** \- Utility meter helpers tracking daily grid export, grid import, and solar production split into peak and off-peak baskets \- A custom dashboard with an Energy Date Picker card \- Statistic cards for each basket that correctly respond to the date picker for any selected date or date range (see attached screen - rainy day today) **The six source sensors:** \- sensor.envoy\_202502020795\_grid\_export\_tou\_peak \- sensor.envoy\_202502020795\_grid\_export\_tou\_off\_peak \- sensor.envoy\_202502020795\_grid\_import\_tou\_peak \- sensor.envoy\_202502020795\_grid\_import\_tou\_off\_peak \- sensor.envoy\_202502020795\_solar\_production\_tou\_peak \- sensor.envoy\_202502020795\_solar\_production\_tou\_off\_peak **What I'm trying to achieve:** Two…