Curling downward leaves

She got stressed or roots got damaged during transplant. I would raise up ph aswell to 6.8 Give her time to recover. Soil looks pretty wet,am i wrong? good luck 🙌🍀👊🏽💚

That is why I don't transplant. If you have the space for the final pot size I just plant the seed in them and never have to deal with transplant shock. If the leaves are still drooping I would try more water. There may have been some root damage. For now, water a bit extra where the plants roots are but don't over saturate the soil beyond the roots. In a week you should be able to transition back to normal watering.