diff --git a/public/css/popup.css b/public/css/popup.css
index 11722fb..d84e496 100644
--- a/public/css/popup.css
+++ b/public/css/popup.css
@@ -504,3 +504,132 @@
   box-shadow: inset 0 1px 0 rgba(200,150,12,0.375), 0 0 30px rgba(200,150,12,0.2);
   letter-spacing: 4px;
 }
+
+/* ================================
+   GAME NOTIFICATION
+================================ */
+
+#game-notification-overlay {
+  display: none;
+  position: fixed;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.65);
+  z-index: 9998;
+}
+
+#game-notification {
+  display: none;
+  position: fixed;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  z-index: 9999;
+  width: 360px;
+  background:
+    repeating-linear-gradient(
+      0deg,
+      transparent,
+      transparent 2px,
+      rgba(255,255,255,0.012) 2px,
+      rgba(255,255,255,0.012) 4px
+    ),
+    linear-gradient(160deg, #2e1c07 0%, #1a0e04 40%, #221508 100%);
+  border: 2px solid #9a7a28;
+  border-radius: 6px;
+  overflow: visible;
+  box-shadow:
+    0 0 0 1px rgba(200,168,64,0.3),
+    0 0 40px rgba(200,150,12,0.15),
+    0 30px 80px rgba(0,0,0,0.7),
+    inset 0 0 60px rgba(0,0,0,0.27);
+}
+
+.notification-header {
+  background: linear-gradient(
+    90deg,
+    #0a0602 0%,
+    #3d2510 20%,
+    #4a2e12 50%,
+    #3d2510 80%,
+    #0a0602 100%
+  );
+  border-bottom: 2px solid #9a7a28;
+  padding: 0 18px;
+  height: 44px;
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  position: relative;
+}
+
+.notification-header::after {
+  content: '';
+  position: absolute;
+  bottom: -5px;
+  left: 5%;
+  right: 5%;
+  height: 3px;
+  background: linear-gradient(
+    90deg,
+    transparent,
+    rgba(200,150,12,0.67),
+    rgba(240,208,96,0.6),
+    rgba(200,150,12,0.67),
+    transparent
+  );
+  filter: blur(1px);
+  pointer-events: none;
+}
+
+#notification-icon {
+  font-size: 16px;
+}
+
+#notification-title {
+  font-family: 'Cinzel Decorative', 'Palatino Linotype', serif;
+  font-size: 12px;
+  font-weight: 700;
+  color: #f5e090;
+  letter-spacing: 2px;
+  text-shadow: 0 0 20px rgba(200,150,12,0.53), 0 1px 3px rgba(0,0,0,0.6);
+  text-transform: uppercase;
+}
+
+.notification-body {
+  padding: 22px 20px 14px;
+}
+
+#notification-message {
+  font-family: 'Cinzel', 'Palatino Linotype', serif;
+  font-size: 13px;
+  color: #ccc8b0;
+  line-height: 1.7;
+  margin: 0;
+  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
+}
+
+.notification-footer {
+  padding: 0 20px 18px;
+  display: flex;
+  justify-content: flex-end;
+}
+
+.notification-btn {
+  background: linear-gradient(160deg, #6a4018 0%, #3e2408 50%, #6a4018 100%);
+  border: 1px solid #c8960c;
+  border-radius: 4px;
+  color: #f5e090;
+  font-family: 'Cinzel', 'Palatino Linotype', serif;
+  font-size: 12px;
+  letter-spacing: 2px;
+  padding: 8px 22px;
+  cursor: pointer;
+  transition: all 0.2s;
+  box-shadow: inset 0 1px 0 rgba(200,150,12,0.25), 0 0 16px rgba(200,150,12,0.1);
+}
+
+.notification-btn:hover {
+  background: linear-gradient(160deg, #8a5824 0%, #5a3410 50%, #8a5824 100%);
+  box-shadow: inset 0 1px 0 rgba(200,150,12,0.375), 0 0 26px rgba(200,150,12,0.2);
+  letter-spacing: 3px;
+}