moving the state from general to each page owning its own state of button or canvas focus

client/src/pages/intro/ui.rs

@@ -56,7 +56,8 @@ pub fn render_intro(f: &mut Frame, intro_state: &IntroState, area: Rect, theme:
 
     let buttons = ["Continue", "Admin", "Login", "Register"];
     for (i, &text) in buttons.iter().enumerate() {
-        render_button(f, button_area[i], text, intro_state.selected_option == i, theme);
+        let active = intro_state.focus_outside_canvas && intro_state.focused_button_index == i;
+        render_button(f, button_area[i], text, active, theme);
     }
 }