diff --git a/web/src/features/review/use-review-detail.ts b/web/src/features/review/use-review-detail.ts
index 7d4a7131..fee5166f 100644
--- a/web/src/features/review/use-review-detail.ts
+++ b/web/src/features/review/use-review-detail.ts
@@ -22,7 +22,7 @@ export function useReviewDetail(taskId: number) {
   })
 }
 
-export function useApproveReview() {
+export function useApproveReview(callbacks?: { onSuccess?: () => void; onError?: (error: Error) => void }) {
   const queryClient = useQueryClient()
 
   return useMutation({
@@ -31,11 +31,13 @@ export function useApproveReview() {
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ['reviews'] })
       queryClient.invalidateQueries({ queryKey: ['governance'] })
+      callbacks?.onSuccess?.()
     },
+    onError: callbacks?.onError,
   })
 }
 
-export function useRejectReview() {
+export function useRejectReview(callbacks?: { onSuccess?: () => void; onError?: (error: Error) => void }) {
   const queryClient = useQueryClient()
 
   return useMutation({
@@ -44,6 +46,8 @@ export function useRejectReview() {
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ['reviews'] })
       queryClient.invalidateQueries({ queryKey: ['governance'] })
+      callbacks?.onSuccess?.()
     },
+    onError: callbacks?.onError,
   })
 }
diff --git a/web/src/pages/dashboard/review-detail.tsx b/web/src/pages/dashboard/review-detail.tsx
index 911ca246..0aa27c83 100644
--- a/web/src/pages/dashboard/review-detail.tsx
+++ b/web/src/pages/dashboard/review-detail.tsx
@@ -17,8 +17,24 @@ export function ReviewDetailPage() {
   const taskId = Number(id)
 
   const { data: review, isLoading } = useReviewDetail(taskId)
-  const approveMutation = useApproveReview()
-  const rejectMutation = useRejectReview()
+  const approveMutation = useApproveReview({
+    onSuccess: () => {
+      toast.success(t('review.approveSuccess'))
+      navigate({ to: '/dashboard/reviews' })
+    },
+    onError: (error) => {
+      toast.error(t('review.approveFailed'), resolveReviewActionErrorDescription(error))
+    },
+  })
+  const rejectMutation = useRejectReview({
+    onSuccess: () => {
+      toast.success(t('review.rejectSuccess'))
+      navigate({ to: '/dashboard/reviews' })
+    },
+    onError: (error) => {
+      toast.error(t('review.rejectFailed'), resolveReviewActionErrorDescription(error))
+    },
+  })
 
   const [comment, setComment] = useState('')
   const [showRejectForm, setShowRejectForm] = useState(false)
@@ -30,18 +46,7 @@ export function ReviewDetailPage() {
   }
 
   const handleApprove = async () => {
-    approveMutation.mutate(
-      { taskId, comment: comment || undefined },
-      {
-        onSuccess: () => {
-          toast.success(t('review.approveSuccess'))
-          navigate({ to: '/dashboard/reviews' })
-        },
-        onError: (error) => {
-          toast.error(t('review.approveFailed'), resolveReviewActionErrorDescription(error))
-        },
-      }
-    )
+    approveMutation.mutate({ taskId, comment: comment || undefined })
   }
 
   const handleReject = async () => {
@@ -49,18 +54,7 @@ export function ReviewDetailPage() {
       toast.error(t('review.rejectReasonRequired'))
       return
     }
-    rejectMutation.mutate(
-      { taskId, comment },
-      {
-        onSuccess: () => {
-          toast.success(t('review.rejectSuccess'))
-          navigate({ to: '/dashboard/reviews' })
-        },
-        onError: (error) => {
-          toast.error(t('review.rejectFailed'), resolveReviewActionErrorDescription(error))
-        },
-      }
-    )
+    rejectMutation.mutate({ taskId, comment })
   }
 
   if (isLoading) {
diff --git a/web/src/shared/components/language-switcher.tsx b/web/src/shared/components/language-switcher.tsx
index 73f3a017..6a7d1e39 100644
--- a/web/src/shared/components/language-switcher.tsx
+++ b/web/src/shared/components/language-switcher.tsx
@@ -7,7 +7,7 @@ import {
   DropdownMenuItem,
   DropdownMenuTrigger,
 } from '@/shared/ui/dropdown-menu'
-import { Globe } from 'lucide-react'
+import { ChevronDown, Globe } from 'lucide-react'
 
 interface LanguageSwitcherProps {
   className?: string
@@ -35,18 +35,22 @@ export function LanguageSwitcher({ className }: LanguageSwitcherProps) {
         <Button
           variant="ghost"
           size="sm"
-          className={cn('gap-2 text-muted-foreground hover:text-foreground', className)}
+          className={cn('cursor-pointer gap-2 text-muted-foreground hover:text-foreground', className)}
         >
           <Globe className="h-4 w-4" />
           <span className="text-sm text-inherit">{currentLanguage.name}</span>
+          <ChevronDown className="h-3.5 w-3.5 opacity-70" />
         </Button>
       </DropdownMenuTrigger>
-      <DropdownMenuContent align="end">
+      <DropdownMenuContent align="end" className="flex min-w-[9rem] flex-col gap-1.5 p-2">
         {languages.map((lang) => (
           <DropdownMenuItem
             key={lang.code}
             onClick={() => changeLanguage(lang.code)}
-            className={currentLangCode === lang.code ? 'bg-accent' : ''}
+            className={cn(
+              'cursor-pointer rounded-md px-3 py-2',
+              currentLangCode === lang.code ? 'bg-accent' : ''
+            )}
           >
             {lang.name}
           </DropdownMenuItem>
diff --git a/web/src/shared/components/user-menu.tsx b/web/src/shared/components/user-menu.tsx
index 508e2043..5234e9fa 100644
--- a/web/src/shared/components/user-menu.tsx
+++ b/web/src/shared/components/user-menu.tsx
@@ -1,15 +1,9 @@
+import { useEffect, useRef, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import { Link } from '@tanstack/react-router'
 import { useQueryClient } from '@tanstack/react-query'
 import { authApi } from '@/api/client'
 import { cn } from '@/shared/lib/utils'
-import {
-  DropdownMenu,
-  DropdownMenuContent,
-  DropdownMenuItem,
-  DropdownMenuSeparator,
-  DropdownMenuTrigger,
-} from '@/shared/ui/dropdown-menu'
 
 interface User {
   displayName: string
@@ -25,12 +19,48 @@ interface UserMenuProps {
 export function UserMenu({ user, triggerClassName }: UserMenuProps) {
   const { t } = useTranslation()
   const queryClient = useQueryClient()
+  const rootRef = useRef<HTMLDivElement | null>(null)
+  const closeTimerRef = useRef<number | null>(null)
+  const [isHovered, setIsHovered] = useState(false)
+  const [isClickOpen, setIsClickOpen] = useState(false)
 
   const hasRole = (role: string) => user.platformRoles?.includes(role) ?? false
   const isReviewer = hasRole('SKILL_ADMIN') || hasRole('NAMESPACE_ADMIN') || hasRole('SUPER_ADMIN')
   const isSkillAdmin = hasRole('SKILL_ADMIN') || hasRole('SUPER_ADMIN')
   const isUserAdmin = hasRole('USER_ADMIN') || hasRole('SUPER_ADMIN')
   const isAuditor = hasRole('AUDITOR') || hasRole('SUPER_ADMIN')
+  const open = isHovered || isClickOpen
+
+  const clearCloseTimer = () => {
+    if (closeTimerRef.current !== null) {
+      window.clearTimeout(closeTimerRef.current)
+      closeTimerRef.current = null
+    }
+  }
+
+  useEffect(() => {
+    if (!open) {
+      return
+    }
+
+    const handlePointerDown = (event: MouseEvent) => {
+      if (!rootRef.current?.contains(event.target as Node)) {
+        setIsHovered(false)
+        setIsClickOpen(false)
+      }
+    }
+
+    document.addEventListener('mousedown', handlePointerDown)
+    return () => {
+      document.removeEventListener('mousedown', handlePointerDown)
+    }
+  }, [open])
+
+  useEffect(() => {
+    return () => {
+      clearCloseTimer()
+    }
+  }, [])
 
   const handleLogout = async () => {
     try {
@@ -44,96 +74,120 @@ export function UserMenu({ user, triggerClassName }: UserMenuProps) {
     }
   }
 
+  const closeMenu = () => {
+    clearCloseTimer()
+    setIsHovered(false)
+    setIsClickOpen(false)
+  }
+
+  const handleMouseEnter = () => {
+    clearCloseTimer()
+    setIsHovered(true)
+  }
+
+  const handleMouseLeave = () => {
+    clearCloseTimer()
+    closeTimerRef.current = window.setTimeout(() => {
+      setIsHovered(false)
+      closeTimerRef.current = null
+    }, 120)
+  }
+
+  const menuItemClassName =
+    'block w-full rounded-sm px-2 py-1.5 text-sm transition-colors hover:bg-accent hover:text-accent-foreground'
+
   return (
-    <DropdownMenu>
-      <DropdownMenuTrigger asChild>
-        <button className={cn('flex items-center gap-3 text-foreground hover:opacity-80 transition-opacity', triggerClassName)}>
-          {user.avatarUrl && (
-            <img
-              src={user.avatarUrl}
-              alt={user.displayName}
-              loading="lazy"
-              className="w-8 h-8 rounded-full border border-border/60"
-            />
-          )}
-          <span className="text-sm font-medium text-inherit">
-            {user.displayName}
-          </span>
-        </button>
-      </DropdownMenuTrigger>
-      <DropdownMenuContent align="end" className="w-48">
-        <DropdownMenuItem asChild>
-          <Link to="/dashboard" className="cursor-pointer">
-            {t('user.menu.dashboard')}
-          </Link>
-        </DropdownMenuItem>
-        <DropdownMenuItem asChild>
-          <Link to="/dashboard/skills" className="cursor-pointer">
-            {t('user.menu.mySkills')}
-          </Link>
-        </DropdownMenuItem>
-        <DropdownMenuItem asChild>
-          <Link to="/dashboard/namespaces" className="cursor-pointer">
-            {t('user.menu.myNamespaces')}
-          </Link>
-        </DropdownMenuItem>
-        <DropdownMenuItem asChild>
-          <Link to="/dashboard/governance" className="cursor-pointer">
-            {t('user.menu.governance')}
-          </Link>
-        </DropdownMenuItem>
-        <DropdownMenuItem asChild>
-          <Link to="/dashboard/stars" className="cursor-pointer">
-            {t('user.menu.stars')}
-          </Link>
-        </DropdownMenuItem>
-        {isReviewer && (
-          <DropdownMenuItem asChild>
-            <Link to="/dashboard/reviews" className="cursor-pointer">
-              {t('user.menu.reviews')}
-            </Link>
-          </DropdownMenuItem>
+    <div
+      ref={rootRef}
+      className="relative"
+      onMouseEnter={handleMouseEnter}
+      onMouseLeave={handleMouseLeave}
+    >
+      <button
+        type="button"
+        aria-expanded={open}
+        aria-haspopup="menu"
+        className={cn('flex items-center gap-3 text-foreground hover:opacity-80 transition-opacity', triggerClassName)}
+        onClick={() => setIsClickOpen((current) => !current)}
+      >
+        {user.avatarUrl && (
+          <img
+            src={user.avatarUrl}
+            alt={user.displayName}
+            loading="lazy"
+            className="w-8 h-8 rounded-full border border-border/60"
+          />
         )}
-        {isSkillAdmin && (
-          <DropdownMenuItem asChild>
-            <Link to="/dashboard/promotions" className="cursor-pointer">
-              {t('user.menu.promotions')}
+        <span className="text-sm font-medium text-inherit">
+          {user.displayName}
+        </span>
+      </button>
+      {open ? (
+        <div
+          className="absolute right-0 top-full z-50 w-48 pt-2"
+          onMouseEnter={handleMouseEnter}
+          onMouseLeave={handleMouseLeave}
+        >
+          <div
+            role="menu"
+            className="overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-md"
+          >
+            <Link to="/dashboard" className={menuItemClassName} onClick={closeMenu}>
+              {t('user.menu.dashboard')}
             </Link>
-          </DropdownMenuItem>
-        )}
-        {isSkillAdmin && (
-          <DropdownMenuItem asChild>
-            <Link to="/dashboard/reports" className="cursor-pointer">
-              {t('user.menu.reports')}
+            <Link to="/dashboard/skills" className={menuItemClassName} onClick={closeMenu}>
+              {t('user.menu.mySkills')}
             </Link>
-          </DropdownMenuItem>
-        )}
-        {(isUserAdmin || isAuditor) && <DropdownMenuSeparator />}
-        {isUserAdmin && (
-          <DropdownMenuItem asChild>
-            <Link to="/admin/users" className="cursor-pointer">
-              {t('user.menu.users')}
+            <Link to="/dashboard/namespaces" className={menuItemClassName} onClick={closeMenu}>
+              {t('user.menu.myNamespaces')}
             </Link>
-          </DropdownMenuItem>
-        )}
-        {isAuditor && (
-          <DropdownMenuItem asChild>
-            <Link to="/admin/audit-log" className="cursor-pointer">
-              {t('user.menu.auditLog')}
+            <Link to="/dashboard/governance" className={menuItemClassName} onClick={closeMenu}>
+              {t('user.menu.governance')}
             </Link>
-          </DropdownMenuItem>
-        )}
-        <DropdownMenuSeparator />
-        <DropdownMenuItem asChild>
-          <Link to="/settings/security" className="cursor-pointer">
-            {t('user.menu.security')}
-          </Link>
-        </DropdownMenuItem>
-        <DropdownMenuSeparator />
-        <DropdownMenuItem onClick={handleLogout} className="cursor-pointer text-destructive">
-          {t('user.menu.logout')}
-        </DropdownMenuItem>
-      </DropdownMenuContent>
-    </DropdownMenu>
+            <Link to="/dashboard/stars" className={menuItemClassName} onClick={closeMenu}>
+              {t('user.menu.stars')}
+            </Link>
+            {isReviewer ? (
+              <Link to="/dashboard/reviews" className={menuItemClassName} onClick={closeMenu}>
+                {t('user.menu.reviews')}
+              </Link>
+            ) : null}
+            {isSkillAdmin ? (
+              <Link to="/dashboard/promotions" className={menuItemClassName} onClick={closeMenu}>
+                {t('user.menu.promotions')}
+              </Link>
+            ) : null}
+            {isSkillAdmin ? (
+              <Link to="/dashboard/reports" className={menuItemClassName} onClick={closeMenu}>
+                {t('user.menu.reports')}
+              </Link>
+            ) : null}
+            {isUserAdmin || isAuditor ? <div className="-mx-1 my-1 h-px bg-muted" /> : null}
+            {isUserAdmin ? (
+              <Link to="/admin/users" className={menuItemClassName} onClick={closeMenu}>
+                {t('user.menu.users')}
+              </Link>
+            ) : null}
+            {isAuditor ? (
+              <Link to="/admin/audit-log" className={menuItemClassName} onClick={closeMenu}>
+                {t('user.menu.auditLog')}
+              </Link>
+            ) : null}
+            <div className="-mx-1 my-1 h-px bg-muted" />
+            <Link to="/settings/security" className={menuItemClassName} onClick={closeMenu}>
+              {t('user.menu.security')}
+            </Link>
+            <div className="-mx-1 my-1 h-px bg-muted" />
+            <button
+              type="button"
+              onClick={handleLogout}
+              className={cn(menuItemClassName, 'text-destructive')}
+            >
+              {t('user.menu.logout')}
+            </button>
+          </div>
+        </div>
+      ) : null}
+    </div>
   )
 }