Messages
In Panaché > Settings > Messages, edit the texts in French and English. You can use these variables:
{manquant}: the number of bottles to add;{lot}: the target pack;{lot_superieur}: the next size up;{avantage}: your advantage for the larger size.
Next-size advantage
Enter what you offer for a larger case, for example “free shipping from 12 bottles”. Leave it empty if you don’t offer an advantage: the message will show without it.
Appearance
In the theme editor, select the Panaché block to set colors, the gauge style (bottles, bar or dots) and spacing. By default, the block uses your theme’s font and colors.