diff --git a/public/js/quickmenu/events.js b/public/js/quickmenu/events.js
index 9ebb281..4711992 100644
--- a/public/js/quickmenu/events.js
+++ b/public/js/quickmenu/events.js
@@ -139,8 +139,14 @@ export async function loadEvents() {
 
   document.addEventListener("keydown", e => {
     if (e.key === "Escape") {
+      // Booster aktiv & noch nicht fertig → ESC komplett blockieren
+      if (boosterUi.style.display !== "none" && (!allRevealed || isSpinning)) {
+        e.stopPropagation();
+        e.preventDefault();
+        return;
+      }
       overlay.classList.remove("active");
-      if (!isSpinning && allRevealed) {        // ← ESC im Booster nur wenn fertig
+      if (!isSpinning && allRevealed) {
         eventsGrid.style.display = "";
         boosterUi.style.display  = "none";
         clearAllIntervals();
@@ -176,6 +182,7 @@ export async function loadEvents() {
     clearAllIntervals();
     isSpinning  = false;
     allRevealed = false;
+    window.__boosterLocked = false;
 
     for (let i = 0; i < 5; i++) {
       const inner = body.querySelector(`#booster-slot-${i} .booster-slot-inner`);
@@ -236,6 +243,7 @@ export async function loadEvents() {
     if (!allCards.length) return;
 
     isSpinning = true;
+    window.__boosterLocked = true;  // äußere Modals sperren
 
     const stapel = body.querySelector("#booster-stapel");
     stapel.classList.add("used");
@@ -287,6 +295,7 @@ export async function loadEvents() {
       }
 
       allRevealed = true;
+      window.__boosterLocked = false;  // äußere Modals wieder freigeben
       body.querySelector("#booster-hint").textContent = "Alle Karten erhalten! ✓";
       const backBtn = body.querySelector("#booster-back-btn");
       backBtn.style.opacity = "1";