diff --git a/apps/web/src/components/ChatView.tsx b/apps/web/src/components/ChatView.tsx
index 7345823a4c4..43a1a875666 100644
--- a/apps/web/src/components/ChatView.tsx
+++ b/apps/web/src/components/ChatView.tsx
@@ -5561,7 +5561,7 @@ function ChatViewContent(props: ChatViewProps) {
                 ref={attachDraftHeroTransitionGroupRef}
                 className="chat-composer-horizontal-inset w-full"
               >
-                <div className="pointer-events-auto relative z-10 isolate">
+                <div className="pointer-events-auto relative z-10">
                   {isDraftHeroState ? (
                     <div className="absolute inset-x-0 bottom-full z-0">
                       <div
@@ -5593,7 +5593,7 @@ function ChatViewContent(props: ChatViewProps) {
                     }
                   >
                     <div className="chat-composer-glass-host mx-auto w-full max-w-3xl rounded-[22px]">
-                      <div ref={attachDraftHeroComposerAnchorRef} className="relative z-10 isolate">
+                      <div ref={attachDraftHeroComposerAnchorRef} className="relative z-10">
                         <ChatComposer
                           composerRef={composerRef}
                           composerDraftTarget={composerDraftTarget}
diff --git a/apps/web/src/components/chat/ChatComposer.tsx b/apps/web/src/components/chat/ChatComposer.tsx
index 986dcf0bbf7..2fc688678f5 100644
--- a/apps/web/src/components/chat/ChatComposer.tsx
+++ b/apps/web/src/components/chat/ChatComposer.tsx
@@ -26,6 +26,7 @@ import { serializeComposerFileLink } from "@t3tools/shared/composerTrigger";
 import { createModelSelection, normalizeModelSlug } from "@t3tools/shared/model";
 import {
   memo,
+  type ReactNode,
   useCallback,
   useEffect,
   useImperativeHandle,
@@ -34,6 +35,7 @@ import {
   useRef,
   useState,
 } from "react";
+import { createPortal } from "react-dom";
 import {
   clampCollapsedComposerCursor,
   type ComposerTrigger,
@@ -93,6 +95,64 @@ import { buildExpandedImagePreview, type ExpandedImagePreview } from "./Expanded
 import { basenameOfPath } from "../../pierre-icons";
 import { cn, randomUUID } from "~/lib/utils";
 import { Separator } from "../ui/separator";
+
+function ComposerCommandMenuLayer(props: { anchor: HTMLElement | null; children: ReactNode }) {
+  const [position, setPosition] = useState<{
+    bottom: number;
+    left: number;
+    maxHeight: number;
+    width: number;
+  } | null>(null);
+
+  useLayoutEffect(() => {
+    const anchor = props.anchor;
+    if (!anchor) {
+      setPosition(null);
+      return;
+    }
+
+    const updatePosition = () => {
+      const rect = anchor.getBoundingClientRect();
+      setPosition({
+        bottom: window.innerHeight - rect.top + 8,
+        left: rect.left,
+        maxHeight: Math.max(96, rect.top - 24),
+        width: rect.width,
+      });
+    };
+
+    updatePosition();
+    window.addEventListener("resize", updatePosition);
+    window.addEventListener("scroll", updatePosition, true);
+
+    const observer =
+      typeof ResizeObserver === "undefined" ? null : new ResizeObserver(updatePosition);
+    observer?.observe(anchor);
+
+    return () => {
+      observer?.disconnect();
+      window.removeEventListener("resize", updatePosition);
+      window.removeEventListener("scroll", updatePosition, true);
+    };
+  }, [props.anchor]);
+
+  if (!position) return null;
+
+  return createPortal(
+    <div
+      className="pointer-events-auto fixed z-[70]"
+      style={{
+        bottom: position.bottom,
+        left: position.left,
+        maxHeight: position.maxHeight,
+        width: position.width,
+      }}
+    >
+      {props.children}
+    </div>,
+    document.body,
+  );
+}
 import { Button } from "../ui/button";
 import { Select, SelectItem, SelectPopup, SelectTrigger, SelectValue } from "../ui/select";
 import { Tooltip, TooltipPopup, TooltipTrigger } from "../ui/tooltip";
@@ -903,6 +963,7 @@ export const ChatComposer = memo(function ChatComposer(props: ChatComposerProps)
   const [isComposerPrimaryActionsCompact, setIsComposerPrimaryActionsCompact] = useState(false);
   const [isComposerModelPickerOpen, setIsComposerModelPickerOpen] = useState(false);
   const [isComposerFocused, setIsComposerFocused] = useState(false);
+  const [composerMenuAnchor, setComposerMenuAnchor] = useState<HTMLDivElement | null>(null);
   const isMobileViewport = useMediaQuery("max-sm");
   const isComposerCollapsedMobile =
     isMobileViewport && !forceExpandedOnMobile && !isComposerFocused;
@@ -2337,6 +2398,7 @@ export const ChatComposer = memo(function ChatComposer(props: ChatComposerProps)
           ) : null}
 
           <div
+            ref={setComposerMenuAnchor}
             className={cn(
               "relative px-3 pb-2 sm:px-4",
               hasComposerHeader ? "pt-2.5 sm:pt-3" : "pt-3.5 sm:pt-4",
@@ -2344,7 +2406,7 @@ export const ChatComposer = memo(function ChatComposer(props: ChatComposerProps)
             )}
           >
             {composerMenuOpen && !isComposerApprovalState && (
-              <div className="absolute inset-x-0 bottom-full z-20 mb-2">
+              <ComposerCommandMenuLayer anchor={composerMenuAnchor}>
                 <ComposerCommandMenu
                   items={composerMenuItems}
                   resolvedTheme={resolvedTheme}
@@ -2359,7 +2421,7 @@ export const ChatComposer = memo(function ChatComposer(props: ChatComposerProps)
                   onHighlightedItemChange={onComposerMenuItemHighlighted}
                   onSelect={onSelectComposerItem}
                 />
-              </div>
+              </ComposerCommandMenuLayer>
             )}
 
             {!isComposerCollapsedMobile &&
diff --git a/apps/web/src/components/ui/alert-dialog.tsx b/apps/web/src/components/ui/alert-dialog.tsx
index 1150abf3341..006c3f9e93c 100644
--- a/apps/web/src/components/ui/alert-dialog.tsx
+++ b/apps/web/src/components/ui/alert-dialog.tsx
@@ -3,6 +3,11 @@
 import { AlertDialog as AlertDialogPrimitive } from "@base-ui/react/alert-dialog";
 
 import { cn } from "~/lib/utils";
+import {
+  DIALOG_BACKDROP_CLASS,
+  DIALOG_MOBILE_SHEET_CLASS,
+  DIALOG_POPUP_CLASS,
+} from "~/components/ui/dialog-styles";
 
 const AlertDialogCreateHandle = AlertDialogPrimitive.createHandle;
 
@@ -18,10 +23,7 @@ function AlertDialogBackdrop({ className, ...props }: AlertDialogPrimitive.Backd
   return (
     <AlertDialogPrimitive.Backdrop
       forceRender
-      className={cn(
-        "dialog-backdrop fixed inset-0 z-50 transition-all duration-200 data-ending-style:opacity-0 data-starting-style:opacity-0",
-        className,
-      )}
+      className={cn(DIALOG_BACKDROP_CLASS, className)}
       data-slot="alert-dialog-backdrop"
       {...props}
     />
@@ -56,9 +58,9 @@ function AlertDialogPopup({
       >
         <AlertDialogPrimitive.Popup
           className={cn(
-            "dialog-glass -translate-y-[calc(1.25rem*var(--nested-dialogs))] relative row-start-2 flex max-h-full min-h-0 w-full min-w-0 max-w-lg scale-[calc(1-0.1*var(--nested-dialogs))] flex-col rounded-2xl border text-popover-foreground opacity-[calc(1-0.1*var(--nested-dialogs))] outline-none transition-[scale,opacity,translate] duration-200 ease-in-out will-change-transform data-nested:data-ending-style:translate-y-8 data-nested:data-starting-style:translate-y-8 data-nested-dialog-open:origin-top data-ending-style:scale-98 data-starting-style:scale-98 data-ending-style:opacity-0 data-starting-style:opacity-0",
-            bottomStickOnMobile &&
-              "max-sm:max-w-none max-sm:rounded-none max-sm:border-x-0 max-sm:border-t max-sm:border-b-0 max-sm:opacity-[calc(1-min(var(--nested-dialogs),1))] max-sm:data-ending-style:translate-y-4 max-sm:data-starting-style:translate-y-4",
+            DIALOG_POPUP_CLASS,
+            "row-start-2 max-h-full max-w-lg text-popover-foreground",
+            bottomStickOnMobile && DIALOG_MOBILE_SHEET_CLASS,
             className,
           )}
           data-slot="alert-dialog-popup"
diff --git a/apps/web/src/components/ui/command.tsx b/apps/web/src/components/ui/command.tsx
index 966960141dd..deb2fbfe8f9 100644
--- a/apps/web/src/components/ui/command.tsx
+++ b/apps/web/src/components/ui/command.tsx
@@ -15,6 +15,7 @@ import {
   AutocompleteList,
   AutocompleteSeparator,
 } from "~/components/ui/autocomplete";
+import { DIALOG_BACKDROP_CLASS, DIALOG_POPUP_CLASS } from "~/components/ui/dialog-styles";
 
 const CommandDialog = CommandDialogPrimitive.Root;
 
@@ -29,10 +30,7 @@ function CommandDialogTrigger(props: CommandDialogPrimitive.Trigger.Props) {
 function CommandDialogBackdrop({ className, ...props }: CommandDialogPrimitive.Backdrop.Props) {
   return (
     <CommandDialogPrimitive.Backdrop
-      className={cn(
-        "dialog-backdrop fixed inset-0 z-50 transition-all duration-200 data-ending-style:opacity-0 data-starting-style:opacity-0",
-        className,
-      )}
+      className={cn(DIALOG_BACKDROP_CLASS, className)}
       data-slot="command-dialog-backdrop"
       {...props}
     />
@@ -66,7 +64,8 @@ function CommandDialogPopup({
       <CommandDialogViewport>
         <CommandDialogPrimitive.Popup
           className={cn(
-            "dialog-glass pointer-events-auto -translate-y-[calc(1.25rem*var(--nested-dialogs))] relative row-start-2 flex max-h-105 min-h-0 w-full min-w-0 max-w-xl scale-[calc(1-0.1*var(--nested-dialogs))] flex-col rounded-2xl border text-foreground opacity-[calc(1-0.1*var(--nested-dialogs))] outline-none transition-[scale,opacity,translate] duration-200 ease-in-out will-change-transform data-nested:data-ending-style:translate-y-8 data-nested:data-starting-style:translate-y-8 data-nested-dialog-open:origin-top data-ending-style:scale-98 data-starting-style:scale-98 data-ending-style:opacity-0 data-starting-style:opacity-0 **:data-[slot=scroll-area-viewport]:data-has-overflow-y:pe-1",
+            DIALOG_POPUP_CLASS,
+            "pointer-events-auto max-h-105 max-w-xl text-foreground **:data-[slot=scroll-area-viewport]:data-has-overflow-y:pe-1",
             className,
           )}
           data-slot="command-dialog-popup"
diff --git a/apps/web/src/components/ui/dialog-styles.ts b/apps/web/src/components/ui/dialog-styles.ts
new file mode 100644
index 00000000000..15e9e888074
--- /dev/null
+++ b/apps/web/src/components/ui/dialog-styles.ts
@@ -0,0 +1,10 @@
+const DIALOG_BACKDROP_CLASS =
+  "dialog-backdrop fixed inset-0 z-50 transition-all duration-200 data-ending-style:opacity-0 data-starting-style:opacity-0";
+
+const DIALOG_POPUP_CLASS =
+  "dialog-glass -translate-y-[calc(1.25rem*var(--nested-dialogs))] relative flex min-h-0 w-full min-w-0 scale-[calc(1-0.1*var(--nested-dialogs))] flex-col rounded-2xl border opacity-[calc(1-0.1*var(--nested-dialogs))] outline-none transition-[scale,opacity,translate] duration-200 ease-in-out will-change-transform data-nested:data-ending-style:translate-y-8 data-nested:data-starting-style:translate-y-8 data-nested-dialog-open:origin-top data-ending-style:scale-98 data-starting-style:scale-98 data-ending-style:opacity-0 data-starting-style:opacity-0";
+
+const DIALOG_MOBILE_SHEET_CLASS =
+  "max-sm:max-w-none max-sm:rounded-none max-sm:border-x-0 max-sm:border-t max-sm:border-b-0 max-sm:opacity-[calc(1-min(var(--nested-dialogs),1))] max-sm:data-ending-style:translate-y-4 max-sm:data-starting-style:translate-y-4";
+
+export { DIALOG_BACKDROP_CLASS, DIALOG_MOBILE_SHEET_CLASS, DIALOG_POPUP_CLASS };
diff --git a/apps/web/src/components/ui/dialog.tsx b/apps/web/src/components/ui/dialog.tsx
index 636a1ae7e26..a96f648803a 100644
--- a/apps/web/src/components/ui/dialog.tsx
+++ b/apps/web/src/components/ui/dialog.tsx
@@ -4,6 +4,11 @@ import { Dialog as DialogPrimitive } from "@base-ui/react/dialog";
 import { XIcon } from "lucide-react";
 import { cn } from "~/lib/utils";
 import { Button } from "~/components/ui/button";
+import {
+  DIALOG_BACKDROP_CLASS,
+  DIALOG_MOBILE_SHEET_CLASS,
+  DIALOG_POPUP_CLASS,
+} from "~/components/ui/dialog-styles";
 import { ScrollArea } from "~/components/ui/scroll-area";
 
 const DialogCreateHandle = DialogPrimitive.createHandle;
@@ -24,10 +29,7 @@ function DialogBackdrop({ className, ...props }: DialogPrimitive.Backdrop.Props)
   return (
     <DialogPrimitive.Backdrop
       forceRender
-      className={cn(
-        "dialog-backdrop fixed inset-0 z-50 transition-all duration-200 data-ending-style:opacity-0 data-starting-style:opacity-0",
-        className,
-      )}
+      className={cn(DIALOG_BACKDROP_CLASS, className)}
       data-slot="dialog-backdrop"
       {...props}
     />
@@ -49,27 +51,25 @@ function DialogViewport({ className, ...props }: DialogPrimitive.Viewport.Props)
 
 function DialogPopup({
   className,
-  backdropClassName,
   children,
   showCloseButton = true,
   bottomStickOnMobile = true,
   ...props
 }: DialogPrimitive.Popup.Props & {
-  backdropClassName?: string;
   showCloseButton?: boolean;
   bottomStickOnMobile?: boolean;
 }) {
   return (
     <DialogPortal>
-      <DialogBackdrop className={backdropClassName} />
+      <DialogBackdrop />
       <DialogViewport
         className={cn(bottomStickOnMobile && "max-sm:grid-rows-[1fr_auto] max-sm:p-0 max-sm:pt-12")}
       >
         <DialogPrimitive.Popup
           className={cn(
-            "dialog-glass -translate-y-[calc(1.25rem*var(--nested-dialogs))] relative row-start-2 flex max-h-full min-h-0 w-full min-w-0 max-w-lg scale-[calc(1-0.1*var(--nested-dialogs))] flex-col rounded-2xl border text-popover-foreground opacity-[calc(1-0.1*var(--nested-dialogs))] outline-none transition-[scale,opacity,translate] duration-200 ease-in-out will-change-transform data-nested:data-ending-style:translate-y-8 data-nested:data-starting-style:translate-y-8 data-nested-dialog-open:origin-top data-ending-style:scale-98 data-starting-style:scale-98 data-ending-style:opacity-0 data-starting-style:opacity-0",
-            bottomStickOnMobile &&
-              "max-sm:max-w-none max-sm:rounded-none max-sm:border-x-0 max-sm:border-t max-sm:border-b-0 max-sm:opacity-[calc(1-min(var(--nested-dialogs),1))] max-sm:data-ending-style:translate-y-4 max-sm:data-starting-style:translate-y-4",
+            DIALOG_POPUP_CLASS,
+            "row-start-2 max-h-full max-w-lg text-popover-foreground",
+            bottomStickOnMobile && DIALOG_MOBILE_SHEET_CLASS,
             className,
           )}
           data-slot="dialog-popup"
diff --git a/apps/web/src/index.css b/apps/web/src/index.css
index cc088969001..98035d7a704 100644
--- a/apps/web/src/index.css
+++ b/apps/web/src/index.css
@@ -381,15 +381,15 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
     --chat-composer-glass-surface: var(--card);
 
     position: relative;
-    isolation: isolate;
     box-shadow:
       0 0 0 1px rgb(0 0 0 / 8%),
       0 12px 28px -18px rgb(0 0 0 / 40%);
   }
 
   .chat-composer-glass-host::before {
+    pointer-events: none;
     position: absolute;
-    z-index: -1;
+    z-index: 0;
     inset: 0;
     border-radius: inherit;
     background: color-mix(
@@ -469,7 +469,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
   }
 
   .dark .dialog-glass {
-    border-color: color-mix(in srgb, var(--color-white) 14%, transparent);
+    border-color: color-mix(in srgb, var(--color-white) 8%, transparent);
     box-shadow:
       inset 0 1px rgb(255 255 255 / 4%),
       0 24px 72px -20px rgb(0 0 0 / 90%);