Update style/defaults/style.css

style/defaults/style.css

@@ -401,3 +401,16 @@ canvas {
   touch-action: auto !important;
   z-index: 100 !important;
 }
+
+
+/* Prevent tooltip from exceeding its parent .viewer-container (for embedded cases) */
+.viewer-container {
+  position: relative;
+  /* Already has overflow: hidden; */
+}
+.viewer-container .tooltip-panel {
+  max-width: 96%;
+  max-height: 96%;
+  box-sizing: border-box;
+}
+