fix: remplacer couleurs emerald/green fluo par couleurs brand dans les paramètres

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

memento-note/components/settings/billing-history.tsx

@@ -72,7 +72,7 @@ export function BillingHistory() {
   const getStatusBadge = (status: string | null) => {
     const s = status?.toLowerCase();
     if (s === 'paid') {
-      return 'bg-emerald-500/10 text-emerald-600 dark:text-emerald-400 border border-emerald-500/20';
+      return 'bg-primary/10 text-primary/80 dark:text-primary border border-primary/20';
     }
     if (s === 'open' || s === 'pending') {
       return 'bg-amber-500/10 text-amber-600 dark:text-amber-400 border border-amber-500/20';