diff --git a/src/utils/safe-bounding-box-padding.js b/src/utils/safe-bounding-box-padding.js
index e937249..02ec394 100644
--- a/src/utils/safe-bounding-box-padding.js
+++ b/src/utils/safe-bounding-box-padding.js
@@ -1,31 +1,35 @@
-import mem from 'mem';
-
 const root = document.documentElement;
 const style = getComputedStyle(root);
 const defaultBoundingBoxPadding = 8;
-function _safeBoundingBoxPadding(paddings = []) {
-  // paddings = [top, right, bottom, left]
+
+let safeAreaInsets = [0, 0, 0, 0];
+function getSafeAreaInsets() {
   // Get safe area inset variables from root
   const safeAreaInsetTop = style.getPropertyValue('--sai-top');
   const safeAreaInsetRight = style.getPropertyValue('--sai-right');
   const safeAreaInsetBottom = style.getPropertyValue('--sai-bottom');
   const safeAreaInsetLeft = style.getPropertyValue('--sai-left');
-  const str = [
-    safeAreaInsetTop,
-    safeAreaInsetRight,
-    safeAreaInsetBottom,
-    safeAreaInsetLeft,
-  ]
-    .map(
-      (v, i) =>
-        (parseInt(v, 10) || defaultBoundingBoxPadding) + (paddings[i] || 0),
-    )
+  safeAreaInsets = [
+    // top, right, bottom, left (clockwise)
+    Math.max(0, parseInt(safeAreaInsetTop, 10)),
+    Math.max(0, parseInt(safeAreaInsetRight, 10)),
+    Math.max(0, parseInt(safeAreaInsetBottom, 10)),
+    Math.max(0, parseInt(safeAreaInsetLeft, 10)),
+  ];
+}
+requestAnimationFrame(getSafeAreaInsets);
+
+function safeBoundingBoxPadding(paddings = []) {
+  const str = safeAreaInsets
+    .map((v, i) => (v || defaultBoundingBoxPadding) + (paddings[i] || 0))
     .join(' ');
   // console.log(str);
   return str;
 }
-const safeBoundingBoxPadding = mem(_safeBoundingBoxPadding, {
-  maxAge: 10000, // 10 seconds
-});
+
+// Update safe area insets when orientation or resize
+if (CSS.supports('top: env(safe-area-inset-top)')) {
+  window.addEventListener('resize', getSafeAreaInsets, { passive: true });
+}
 
 export default safeBoundingBoxPadding;