burn swap and page menu updates

src/components/swap-form.tsx

@@ -187,8 +187,21 @@ export function SwapForm() {
       <CardContent className="space-y-4">
         {/* From Token */}
         <div className="space-y-2">
-          <div className="text-sm">
+          <div className="flex justify-between items-center text-sm">
             <label className="text-muted-foreground">{t('swap.youPay')}</label>
+            <Button
+              variant="ghost"
+              size="sm"
+              className="h-6 px-2 text-xs"
+              onClick={() => {
+                if (selectedFromToken) {
+                  setFromAmount(formatUnits(selectedFromToken.balance, selectedFromToken.decimals));
+                }
+              }}
+              disabled={!selectedFromToken}
+            >
+              MAX
+            </Button>
           </div>
           <div className="flex gap-2">
             <Input