intro movement fixed

client/src/state/pages/intro.rs

@@ -1,5 +1,4 @@
 // src/state/pages/intro.rs
-use ratatui::style::Modifier;
 
 #[derive(Default, Clone, Debug)]
 pub struct IntroState {
@@ -12,15 +11,15 @@ impl IntroState {
     }
 
     pub fn next_option(&mut self) {
-        self.selected_option = (self.selected_option + 1) % 4;
+        if self.selected_option < 3 {
+            self.selected_option += 1;
+        }
     }
 
     pub fn previous_option(&mut self) {
-        self.selected_option = if self.selected_option == 0 {
-            3
-        } else {
-            self.selected_option - 1
-        };
+        if self.selected_option > 0 {
+             self.selected_option -= 1
+        }
     }
 }