diff --git a/apps/client/src/features/editor/styles/base-embed.css b/apps/client/src/features/editor/styles/base-embed.css
new file mode 100644
index 000000000..2a4ebe733
--- /dev/null
+++ b/apps/client/src/features/editor/styles/base-embed.css
@@ -0,0 +1,9 @@
+.ProseMirror {
+  .node-baseEmbed {
+    /* Suppress the default ProseMirror atom-node selection outline —
+     * the embed reads as a document block, not a focused widget. */
+    &.ProseMirror-selectednode {
+      outline: none;
+    }
+  }
+}
diff --git a/apps/client/src/features/editor/styles/index.css b/apps/client/src/features/editor/styles/index.css
index 7ec4be9b6..ffec33f3d 100644
--- a/apps/client/src/features/editor/styles/index.css
+++ b/apps/client/src/features/editor/styles/index.css
@@ -15,3 +15,4 @@
 @import "./highlight.css";
 @import "./columns.css";
 @import "./status.css";
+@import "./base-embed.css";