The inner Card components used Mantine's default opaque background and hard-coded radius, clashing with board styling. Now uses board.opacity and board.itemRadius with the same pattern as system-resources widgets. Closes #5968
The inner Card components used Mantine's default opaque background and hard-coded radius, clashing with board styling. Now uses board.opacity and board.itemRadius with the same pattern as system-resources widgets. Closes #5968