Fix UI issues, timer logic, theme switcher, view solutions, and markdown rendering

src/components/CBT/ExamResult.tsx

@@ -18,10 +18,11 @@ interface ExamAttemptPayload {
 
 interface ExamResultProps {
   payload: ExamAttemptPayload;
+  attemptId: string | null;
   onRetake: () => void;
 }
 
-export function ExamResult({ payload, onRetake }: ExamResultProps) {
+export function ExamResult({ payload, attemptId, onRetake }: ExamResultProps) {
   const router = useRouter();
   const answered = payload.answers.filter(a => a.selected_answer !== null).length;
   const unanswered = payload.total_questions - answered;
@@ -115,6 +116,25 @@ export function ExamResult({ payload, onRetake }: ExamResultProps) {
           <Button variant="outline" size="lg" className="rounded-xl h-14 px-8 font-bold text-lg gap-2" onClick={onRetake}>
             <RotateCcw className="size-5" /> Retake Mock Test
           </Button>
+          {attemptId && (
+            <Button 
+              variant="default"
+              size="lg"
+              className="rounded-xl h-14 px-8 font-bold text-lg bg-indigo-600 hover:bg-indigo-700 text-white gap-2 w-full sm:w-auto"
+              onClick={async () => {
+                try {
+                  if (document.fullscreenElement) {
+                    await document.exitFullscreen();
+                  }
+                } catch (err) {
+                  console.error("Error exiting fullscreen", err);
+                }
+                router.push(`/dashboard/cbt/history/${attemptId}`);
+              }}
+            >
+              View Solutions
+            </Button>
+          )}
           <Button 
             size="lg" 
             className="rounded-xl h-14 px-8 font-bold text-lg shadow-[0_0_20px_-5px_var(--color-primary)] gap-2 w-full sm:w-auto"