null safety

lib/presentation/report/widgets/profit_loss_widget.dart

@@ -73,26 +73,28 @@ class ProfitLossWidget extends StatelessWidget {
       child: Row(
         mainAxisAlignment: MainAxisAlignment.spaceBetween,
         children: [
-          Column(
-            crossAxisAlignment: CrossAxisAlignment.start,
-            children: [
-              Text(
-                title,
-                style: TextStyle(
-                  fontSize: 18,
-                  fontWeight: FontWeight.bold,
-                  color: Color(0xFF0F172A),
+          Expanded(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(
+                  title,
+                  style: TextStyle(
+                    fontSize: 18,
+                    fontWeight: FontWeight.bold,
+                    color: Color(0xFF0F172A),
+                  ),
                 ),
-              ),
-              const SizedBox(height: 6),
-              Text(
-                'Analisis profitabilitas dan margin keuntungan',
-                style: TextStyle(
-                  fontSize: 14,
-                  color: Colors.grey[600],
+                const SizedBox(height: 6),
+                Text(
+                  'Analisis profitabilitas dan margin keuntungan',
+                  style: TextStyle(
+                    fontSize: 14,
+                    color: Colors.grey[600],
+                  ),
                 ),
-              ),
-            ],
+              ],
+            ),
           ),
           Container(
             padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
@@ -628,7 +630,7 @@ class ProfitLossWidget extends StatelessWidget {
     );
   }
 
-  Widget _buildProductMetric(String label, int value, Color color) {
+  Widget _buildProductMetric(String label, num value, Color color) {
     return Container(
       padding: const EdgeInsets.all(8),
       decoration: BoxDecoration(
@@ -722,7 +724,7 @@ class ProfitLossWidget extends StatelessWidget {
                 sections: breakdownData.asMap().entries.map((entry) {
                   final item = entry.value;
                   final grossProfit = data.summary.grossProfit;
-                  final value = item['value'] as int;
+                  final value = item['value'] as num;
 
                   // Handle division by zero
                   final percentage =
@@ -772,7 +774,7 @@ class ProfitLossWidget extends StatelessWidget {
                       ),
                     ),
                     Text(
-                      _formatCurrency(item['value'] as int),
+                      _formatCurrency(item['value'] as num),
                       style: const TextStyle(
                         fontSize: 12,
                         fontWeight: FontWeight.bold,
@@ -1154,7 +1156,7 @@ class ProfitLossWidget extends StatelessWidget {
     return AppColorProfitLoss.danger;
   }
 
-  String _formatCurrency(int amount) {
+  String _formatCurrency(num amount) {
     final formatter = NumberFormat.currency(
       locale: 'id_ID',
       symbol: 'Rp ',
@@ -1163,7 +1165,7 @@ class ProfitLossWidget extends StatelessWidget {
     return formatter.format(amount);
   }
 
-  String _formatCurrencyShort(int amount) {
+  String _formatCurrencyShort(num amount) {
     if (amount >= 1000000) {
       return 'Rp ${(amount / 1000000).round()}M';
     } else if (amount >= 1000) {