update frame

app.js

@@ -265,6 +265,56 @@ function setStatus(text) {
 
   statusEl.textContent = text;
 }
+function isBrowserZoomShortcut(event) {
+  if (!(event?.ctrlKey || event?.metaKey)) {
+    return false;
+  }
+
+  const key = String(event.key || "").toLowerCase();
+  return key === "+"
+    || key === "="
+    || key === "-"
+    || key === "_"
+    || key === "0"
+    || event.code === "NumpadAdd"
+    || event.code === "NumpadSubtract"
+    || event.code === "Digit0"
+    || event.code === "Numpad0";
+}
+
+function preventBrowserZoom(event) {
+  if (event.type === "wheel" && !event.ctrlKey) {
+    return;
+  }
+
+  if (event.type === "touchmove" && Number(event.touches?.length || 0) < 2) {
+    return;
+  }
+
+  event.preventDefault();
+}
+
+document.addEventListener("wheel", preventBrowserZoom, {
+  capture: true,
+  passive: false
+});
+document.addEventListener("touchmove", preventBrowserZoom, {
+  capture: true,
+  passive: false
+});
+["gesturestart", "gesturechange", "gestureend"].forEach((eventName) => {
+  document.addEventListener(eventName, preventBrowserZoom, {
+    capture: true,
+    passive: false
+  });
+});
+document.addEventListener("keydown", (event) => {
+  if (!isBrowserZoomShortcut(event)) {
+    return;
+  }
+
+  event.preventDefault();
+});
 
 function getConnectionSettings() {
   return window.TarotAppConfig?.getConnectionSettings?.() || {