update collapse menu

src/lib/components/MonthlyFuelReportContent.svelte

@@ -129,8 +129,11 @@
 	$: monthlyData = (() => {
 		const months = [];
 		
-		// Show all 12 months for the selected year
-		for (let i = 11; i >= 0; i--) {
+		// Determine max month to show (don't show future months)
+		const maxMonth = selectedYear === currentYear ? currentMonth : 11;
+		
+		// Show months from maxMonth down to January
+		for (let i = maxMonth; i >= 0; i--) {
 			const data = getMonthData(i);
 			const monthData = {
 				month: i,