src/popup/views/confirmTx.js

@@ -246,7 +246,6 @@ function show(txInfo) {
     // Reset recipient warning: reserve space (visibility:hidden) while
     // the async check runs, preventing layout shift per README policy.
     const recipientWarning = $("confirm-recipient-warning");
-    recipientWarning.style.display = "";
     recipientWarning.style.visibility = "hidden";
 
     estimateGas(txInfo);
@@ -302,22 +301,18 @@ async function checkRecipientHistory(txInfo) {
         // the nonce, i.e. sent-tx count only).
         const code = await provider.getCode(txInfo.to);
         if (code && code !== "0x") {
-            // Contract address — hide the reserved space entirely
-            el.style.display = "none";
+            // Contract address — no warning needed, keep space reserved
+            // but invisible to prevent layout shift
             return;
         }
         const txCount = await provider.getTransactionCount(txInfo.to);
         if (txCount === 0) {
             el.style.visibility = "visible";
-        } else {
-            // Address has history — collapse the reserved space
-            el.style.display = "none";
         }
+        // If txCount > 0, leave visibility:hidden — space stays reserved
     } catch (e) {
         log.errorf("recipient history check failed:", e.message);
-        // On error, collapse the reserved space rather than showing a
-        // false warning or leaving an empty gap
-        el.style.display = "none";
+        // On error, leave visibility:hidden — no layout shift, no false warning
     }
 }