change a bunch of stuff, seperate tracking for progress, updated custom srs layout

lib/src/widgets/options_grid.dart

@@ -5,6 +5,10 @@ class OptionsGrid extends StatelessWidget {
   final void Function(String) onSelected;
   final Color? buttonColor;
   final Color? textColor;
+  final bool isDisabled;
+  final String? selectedOption;
+  final List<String>? correctAnswers;
+  final bool showResult;
 
   const OptionsGrid({
     super.key,
@@ -12,6 +16,10 @@ class OptionsGrid extends StatelessWidget {
     required this.onSelected,
     this.buttonColor,
     this.textColor,
+    this.isDisabled = false,
+    this.selectedOption,
+    this.correctAnswers,
+    this.showResult = false,
   });
 
   @override
@@ -27,13 +35,24 @@ class OptionsGrid extends StatelessWidget {
       runSpacing: 10,
       alignment: WrapAlignment.center,
       children: options.map((o) {
+        Color currentButtonColor = bg;
+        Color currentTextColor = fg;
+
+        if (showResult) {
+          if (correctAnswers != null && correctAnswers!.contains(o)) {
+            currentButtonColor = Colors.green;
+          } else if (o == selectedOption) {
+            currentButtonColor = Colors.red;
+          }
+        }
+
         return SizedBox(
           width: 160,
           child: ElevatedButton(
-            onPressed: () => onSelected(o),
+            onPressed: isDisabled ? null : () => onSelected(o),
             style: ElevatedButton.styleFrom(
-              backgroundColor: bg,
-              foregroundColor: fg,
+              backgroundColor: currentButtonColor,
+              foregroundColor: currentTextColor,
               shape: RoundedRectangleBorder(
                 borderRadius: BorderRadius.circular(12),
               ),
@@ -41,7 +60,7 @@ class OptionsGrid extends StatelessWidget {
             ),
             child: Text(
               o,
-              style: TextStyle(fontSize: 20, color: fg),
+              style: TextStyle(fontSize: 20, color: currentTextColor),
               textAlign: TextAlign.center,
             ),
           ),
@@ -49,4 +68,4 @@ class OptionsGrid extends StatelessWidget {
       }).toList(),
     );
   }
-}
+}