diff --git a/packages/react/src/styles/tailwindcss/thread.css b/packages/react/src/styles/tailwindcss/thread.css
index 6cc650343..269a85412 100644
--- a/packages/react/src/styles/tailwindcss/thread.css
+++ b/packages/react/src/styles/tailwindcss/thread.css
@@ -55,7 +55,7 @@
 /* thread composer */
 
 .aui-composer-root {
-  @apply focus-within:border-aui-ring/20 flex w-full flex-wrap items-end rounded-lg border px-2.5 shadow-sm transition-colors ease-in;
+  @apply focus-within:border-aui-ring/20 flex w-full flex-wrap items-end rounded-lg border bg-inherit px-2.5 shadow-sm transition-colors ease-in;
 }
 
 .aui-composer-input {
diff --git a/packages/shadcn-registry/registry/assistant-ui/full/thread.tsx b/packages/shadcn-registry/registry/assistant-ui/full/thread.tsx
index b75e02ccc..87714d6d8 100644
--- a/packages/shadcn-registry/registry/assistant-ui/full/thread.tsx
+++ b/packages/shadcn-registry/registry/assistant-ui/full/thread.tsx
@@ -82,7 +82,7 @@ const MyThreadWelcome: FC = () => {
 
 const MyComposer: FC = () => {
   return (
-    <ComposerPrimitive.Root className="focus-within:border-aui-ring/20 flex w-full flex-wrap items-end rounded-lg border px-2.5 shadow-sm transition-colors ease-in">
+    <ComposerPrimitive.Root className="focus-within:border-aui-ring/20 flex w-full flex-wrap items-end rounded-lg border bg-inherit px-2.5 shadow-sm transition-colors ease-in">
       <ComposerPrimitive.Input
         autoFocus
         placeholder="Write a message..."
diff --git a/packages/shadcn-registry/registry/assistant-ui/thread.tsx b/packages/shadcn-registry/registry/assistant-ui/thread.tsx
index b24d694b1..53a9ca054 100644
--- a/packages/shadcn-registry/registry/assistant-ui/thread.tsx
+++ b/packages/shadcn-registry/registry/assistant-ui/thread.tsx
@@ -49,7 +49,7 @@ const MyThreadWelcome: FC = () => {
 
 const MyComposer: FC = () => {
   return (
-    <ComposerPrimitive.Root className="focus-within:border-aui-ring/20 flex w-full flex-wrap items-end rounded-lg border px-2.5 shadow-sm transition-colors ease-in">
+    <ComposerPrimitive.Root className="focus-within:border-aui-ring/20 flex w-full flex-wrap items-end rounded-lg border bg-inherit px-2.5 shadow-sm transition-colors ease-in">
       <ComposerPrimitive.Input
         autoFocus
         placeholder="Write a message..."