add alot

lib/views/history_screen_view.dart

@@ -118,7 +118,7 @@ class _HistoryScreenViewState extends State<HistoryScreenView> with RouteAware {
                     : ListView.separated(
                   padding: const EdgeInsets.fromLTRB(20, 8, 20, 20),
                   itemCount: viewModel.closedTabs.length,
-                  separatorBuilder: (_, __) => const SizedBox(height: 10),
+                  separatorBuilder: (_, _) => const SizedBox(height: 10),
                   itemBuilder: (context, index) {
                     final closedTab = viewModel.closedTabs[index];
 
@@ -147,12 +147,12 @@ class _EmptyState extends StatelessWidget {
             padding: const EdgeInsets.all(20),
             decoration: BoxDecoration(
               shape: BoxShape.circle,
-              color: scheme.onSurface.withOpacity(0.05),
+              color: scheme.onSurface.withValues(alpha: 0.05),
             ),
             child: Icon(
               Icons.history_rounded,
               size: 40,
-              color: scheme.onSurface.withOpacity(0.3),
+              color: scheme.onSurface.withValues(alpha: 0.3),
             ),
           ),
           const SizedBox(height: 16),
@@ -191,9 +191,9 @@ class _ClosedTabCardState extends State<_ClosedTabCard> {
 
     return Container(
       decoration: BoxDecoration(
-        color: scheme.onSurface.withOpacity(0.04),
+        color: scheme.onSurface.withValues(alpha: 0.04),
         borderRadius: BorderRadius.circular(14),
-        border: Border.all(color: scheme.onSurface.withOpacity(0.06)),
+        border: Border.all(color: scheme.onSurface.withValues(alpha: 0.06)),
       ),
       clipBehavior: Clip.antiAlias,
       child: Material(
@@ -249,7 +249,7 @@ class _ClosedTabCardState extends State<_ClosedTabCard> {
                       _expanded
                           ? Icons.expand_less_rounded
                           : Icons.expand_more_rounded,
-                      color: scheme.onSurface.withOpacity(0.5),
+                      color: scheme.onSurface.withValues(alpha: 0.5),
                     ),
                   ],
                 ),