diff --git a/script.js b/script.js
index 36bffcc..45b8420 100644
--- a/script.js
+++ b/script.js
@@ -840,6 +840,11 @@ function animateSwipe(direction, onDone) {
     const grid = document.getElementById('eonstripGrid');
     if (!grid) { onDone(); return; }
 
+    // Ensure a clean starting state when the grid was previously hidden
+    grid.style.transition = 'none';
+    grid.style.transform = 'translateX(0)';
+    void grid.offsetWidth; // force reflow
+
     // slide out
     grid.style.transition = 'transform 0.3s ease';
     grid.style.transform = `translateX(${direction > 0 ? '-100%' : '100%'})`;