fix tray

src/main.rs

@@ -7,9 +7,7 @@ mod state;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::Arc;
 
-#[cfg(unix)]
-use tray_item::IconSource;
-use tray_item::TrayItem;
+use tray_item::{IconSource, TrayItem};
 
 fn main() {
     let rt = tokio::runtime::Runtime::new().unwrap();
@@ -74,7 +72,18 @@ fn main() {
     });
 
     // Create the tray application
-    let mut tray = TrayItem::new("Ambiligth", IconSource::Resource("")).unwrap();
+    // On Linux: empty string works as a default/no icon
+    // On Windows: use IconSource::Data with a 1x1 transparent icon
+    #[cfg(unix)]
+    let icon_source = IconSource::Resource("");
+    #[cfg(windows)]
+    let icon_source = IconSource::Data {
+        rgba: &[0, 0, 0, 0], // 1x1 transparent black pixel
+        width: 1,
+        height: 1,
+    };
+
+    let mut tray = TrayItem::new("Ambiligth", icon_source).unwrap();
 
     let is_running_toggle = is_running.clone();
     let restore_on_toggle = settings_arc.restore_on_exit;