diff --git a/app.js b/app.js
index 51a2631..4476486 100644
--- a/app.js
+++ b/app.js
@@ -2765,7 +2765,7 @@ function adjustChartSize() {
 
     const screenWidth = window.innerWidth;
     const isMobile = screenWidth <= 500;
-    const isLandscapePhone = screenWidth <= 850 && window.innerHeight < window.innerWidth;
+    const isLandscapePhone = window.innerHeight < window.innerWidth && window.innerHeight <= 500;
     const isCompact = isMobile || isLandscapePhone;
 
     // Compact mode (portrait phones + landscape phones): extend layers to fill container