diff --git a/src/app.rs b/src/app.rs
index aeba0af..63e44dd 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -138,7 +138,20 @@ pub fn App() -> Html {
         let context_menu_open = context_menu_open.clone();
         let event_context_menu_open = event_context_menu_open.clone();
         let calendar_context_menu_open = calendar_context_menu_open.clone();
-        Callback::from(move |_: MouseEvent| {
+        Callback::from(move |e: MouseEvent| {
+            // Check if any context menu or color picker is open
+            let any_menu_open = color_picker_open.is_some() || 
+                               *context_menu_open || 
+                               *event_context_menu_open || 
+                               *calendar_context_menu_open;
+            
+            if any_menu_open {
+                // Prevent the default action and stop event propagation
+                e.prevent_default();
+                e.stop_propagation();
+            }
+            
+            // Close all open menus/pickers
             color_picker_open.set(None);
             context_menu_open.set(false);
             event_context_menu_open.set(false);
@@ -146,6 +159,12 @@ pub fn App() -> Html {
         })
     };
 
+    // Compute if any context menu is open
+    let any_context_menu_open = color_picker_open.is_some() || 
+                               *context_menu_open || 
+                               *event_context_menu_open || 
+                               *calendar_context_menu_open;
+
     let on_color_change = {
         let user_info = user_info.clone();
         let color_picker_open = color_picker_open.clone();
@@ -401,6 +420,7 @@ pub fn App() -> Html {
                                         on_calendar_context_menu={Some(on_calendar_date_context_menu.clone())}
                                         view={(*current_view).clone()}
                                         on_create_event_request={Some(on_event_create.clone())}
+                                        context_menus_open={any_context_menu_open}
                                     />
                                 </main>
                             </>
@@ -415,6 +435,7 @@ pub fn App() -> Html {
                                     on_event_context_menu={Some(on_event_context_menu.clone())}
                                     on_calendar_context_menu={Some(on_calendar_date_context_menu.clone())}
                                     on_create_event_request={Some(on_event_create.clone())}
+                                    context_menus_open={any_context_menu_open}
                                 />
                             </div>
                         }
diff --git a/src/components/calendar.rs b/src/components/calendar.rs
index e95d84f..7cfd09c 100644
--- a/src/components/calendar.rs
+++ b/src/components/calendar.rs
@@ -23,6 +23,8 @@ pub struct CalendarProps {
     pub view: ViewMode,
     #[prop_or_default]
     pub on_create_event_request: Option<Callback<EventCreationData>>,
+    #[prop_or_default]
+    pub context_menus_open: bool,
 }
 
 #[function_component]
@@ -209,6 +211,7 @@ pub fn Calendar(props: &CalendarProps) -> Html {
                             on_event_context_menu={props.on_event_context_menu.clone()}
                             on_calendar_context_menu={props.on_calendar_context_menu.clone()}
                             on_create_event={Some(on_create_event)}
+                            context_menus_open={props.context_menus_open}
                         />
                     },
                 }
diff --git a/src/components/route_handler.rs b/src/components/route_handler.rs
index 42054e7..a94e5fe 100644
--- a/src/components/route_handler.rs
+++ b/src/components/route_handler.rs
@@ -26,6 +26,8 @@ pub struct RouteHandlerProps {
     pub view: ViewMode,
     #[prop_or_default]
     pub on_create_event_request: Option<Callback<crate::components::EventCreationData>>,
+    #[prop_or_default]
+    pub context_menus_open: bool,
 }
 
 #[function_component(RouteHandler)]
@@ -37,6 +39,7 @@ pub fn route_handler(props: &RouteHandlerProps) -> Html {
     let on_calendar_context_menu = props.on_calendar_context_menu.clone();
     let view = props.view.clone();
     let on_create_event_request = props.on_create_event_request.clone();
+    let context_menus_open = props.context_menus_open;
     
     html! {
         <Switch<Route> render={move |route| {
@@ -47,6 +50,7 @@ pub fn route_handler(props: &RouteHandlerProps) -> Html {
             let on_calendar_context_menu = on_calendar_context_menu.clone();
             let view = view.clone();
             let on_create_event_request = on_create_event_request.clone();
+            let context_menus_open = context_menus_open;
             
             match route {
                 Route::Home => {
@@ -72,6 +76,7 @@ pub fn route_handler(props: &RouteHandlerProps) -> Html {
                                 on_calendar_context_menu={on_calendar_context_menu}
                                 view={view}
                                 on_create_event_request={on_create_event_request}
+                                context_menus_open={context_menus_open}
                             /> 
                         }
                     } else {
@@ -94,6 +99,8 @@ pub struct CalendarViewProps {
     pub view: ViewMode,
     #[prop_or_default]
     pub on_create_event_request: Option<Callback<crate::components::EventCreationData>>,
+    #[prop_or_default]
+    pub context_menus_open: bool,
 }
 
 use gloo_storage::{LocalStorage, Storage};
@@ -254,6 +261,7 @@ pub fn calendar_view(props: &CalendarViewProps) -> Html {
                                 on_calendar_context_menu={props.on_calendar_context_menu.clone()}
                                 view={props.view.clone()}
                                 on_create_event_request={props.on_create_event_request.clone()}
+                                context_menus_open={props.context_menus_open}
                             />
                         </div>
                     }
@@ -268,6 +276,7 @@ pub fn calendar_view(props: &CalendarViewProps) -> Html {
                             on_calendar_context_menu={props.on_calendar_context_menu.clone()}
                             view={props.view.clone()}
                             on_create_event_request={props.on_create_event_request.clone()}
+                            context_menus_open={props.context_menus_open}
                         />
                     }
                 }
diff --git a/src/components/week_view.rs b/src/components/week_view.rs
index 954b667..f2fc4d4 100644
--- a/src/components/week_view.rs
+++ b/src/components/week_view.rs
@@ -20,6 +20,8 @@ pub struct WeekViewProps {
     pub on_calendar_context_menu: Option<Callback<(web_sys::MouseEvent, NaiveDate)>>,
     #[prop_or_default]
     pub on_create_event: Option<Callback<(NaiveDate, NaiveDateTime, NaiveDateTime)>>,
+    #[prop_or_default]
+    pub context_menus_open: bool,
 }
 
 #[derive(Clone, PartialEq)]
@@ -119,7 +121,13 @@ pub fn week_view(props: &WeekViewProps) -> Html {
                                 
                                 let onmousedown = {
                                     let drag_state = drag_state_clone.clone();
+                                    let context_menus_open = props.context_menus_open;
                                     Callback::from(move |e: MouseEvent| {
+                                        // Don't start drag if any context menu is open
+                                        if context_menus_open {
+                                            return;
+                                        }
+                                        
                                         // Only handle left-click (button 0)
                                         if e.button() != 0 {
                                             return;