diff --git a/apps/readest-app/src/app/auth/page.tsx b/apps/readest-app/src/app/auth/page.tsx
index 4d59e363..68009bee 100644
--- a/apps/readest-app/src/app/auth/page.tsx
+++ b/apps/readest-app/src/app/auth/page.tsx
@@ -334,8 +334,10 @@ export default function AuthPage() {
   return isTauriAppPlatform() ? (
     <div
       className={clsx(
-        'fixed inset-0 z-0 flex select-none flex-col items-center overflow-y-auto',
-        'bg-base-100 border-base-200 border',
+        'bg-base-100 fixed inset-0 flex select-none flex-col items-center overflow-hidden overflow-y-auto',
+        appService?.isIOSApp ? 'h-[100vh]' : 'h-dvh',
+        appService?.isLinuxApp && 'window-border',
+        appService?.hasRoundedWindow && 'rounded-window',
         appService?.hasSafeAreaInset && 'pt-[env(safe-area-inset-top)]',
       )}
     >
diff --git a/apps/readest-app/src/app/library/page.tsx b/apps/readest-app/src/app/library/page.tsx
index 99a4fcf3..beece06c 100644
--- a/apps/readest-app/src/app/library/page.tsx
+++ b/apps/readest-app/src/app/library/page.tsx
@@ -669,6 +669,7 @@ const LibraryPageContent = ({ searchParams }: { searchParams: ReadonlyURLSearchP
       className={clsx(
         'library-page bg-base-200 text-base-content flex select-none flex-col overflow-hidden',
         appService?.isIOSApp ? 'h-[100vh]' : 'h-dvh',
+        appService?.isLinuxApp && 'window-border',
         appService?.hasRoundedWindow && 'rounded-window',
       )}
     >
diff --git a/apps/readest-app/src/app/reader/components/BooksGrid.tsx b/apps/readest-app/src/app/reader/components/BooksGrid.tsx
index fc4f1571..3089c471 100644
--- a/apps/readest-app/src/app/reader/components/BooksGrid.tsx
+++ b/apps/readest-app/src/app/reader/components/BooksGrid.tsx
@@ -31,7 +31,7 @@ const BooksGrid: React.FC<BooksGridProps> = ({ bookKeys, onCloseBook }) => {
   const { getConfig, getBookData } = useBookDataStore();
   const { getProgress, getViewState, getViewSettings } = useReaderStore();
   const { setGridInsets, hoveredBookKey } = useReaderStore();
-  const { isSideBarVisible, sideBarBookKey } = useSidebarStore();
+  const { sideBarBookKey } = useSidebarStore();
   const { isFontLayoutSettingsDialogOpen, setFontLayoutSettingsDialogOpen } = useSettingsStore();
 
   const screenInsets = useSafeAreaInsets();
@@ -106,7 +106,7 @@ const BooksGrid: React.FC<BooksGridProps> = ({ bookKeys, onCloseBook }) => {
             key={bookKey}
             className={clsx(
               'relative h-full w-full overflow-hidden',
-              !isSideBarVisible && appService?.hasRoundedWindow && 'rounded-window',
+              appService?.hasRoundedWindow && 'rounded-window',
             )}
           >
             {isBookmarked && !hoveredBookKey && <Ribbon width={`${horizontalGapPercent}%`} />}
diff --git a/apps/readest-app/src/app/reader/components/HeaderBar.tsx b/apps/readest-app/src/app/reader/components/HeaderBar.tsx
index 879653f9..59800b4f 100644
--- a/apps/readest-app/src/app/reader/components/HeaderBar.tsx
+++ b/apps/readest-app/src/app/reader/components/HeaderBar.tsx
@@ -92,6 +92,7 @@ const HeaderBar: React.FC<HeaderBarProps> = ({
       <div
         className={clsx(
           'bg-base-100 absolute left-0 right-0 top-0 z-10',
+          appService?.hasRoundedWindow && 'rounded-window-top-right',
           isVisible ? 'visible' : 'hidden',
         )}
         style={{
diff --git a/apps/readest-app/src/app/reader/components/Reader.tsx b/apps/readest-app/src/app/reader/components/Reader.tsx
index 61dc2aee..133f6cc5 100644
--- a/apps/readest-app/src/app/reader/components/Reader.tsx
+++ b/apps/readest-app/src/app/reader/components/Reader.tsx
@@ -111,8 +111,9 @@ const Reader: React.FC<{ ids?: string }> = ({ ids }) => {
     settings.globalReadSettings && (
       <div
         className={clsx(
-          `reader-page bg-base-100 text-base-content select-none`,
-          !isSideBarVisible && appService?.hasRoundedWindow && 'rounded-window',
+          `reader-page bg-base-100 text-base-content select-none overflow-hidden`,
+          appService?.isLinuxApp && 'window-border',
+          appService?.hasRoundedWindow && 'rounded-window',
         )}
       >
         <Suspense>
diff --git a/apps/readest-app/src/app/reader/components/sidebar/TabNavigation.tsx b/apps/readest-app/src/app/reader/components/sidebar/TabNavigation.tsx
index b16d6ae2..c6e6b526 100644
--- a/apps/readest-app/src/app/reader/components/sidebar/TabNavigation.tsx
+++ b/apps/readest-app/src/app/reader/components/sidebar/TabNavigation.tsx
@@ -4,6 +4,7 @@ import { MdBookmarkBorder as BookmarkIcon } from 'react-icons/md';
 import { IoIosList as TOCIcon } from 'react-icons/io';
 import { PiNotePencil as NoteIcon } from 'react-icons/pi';
 
+import { useEnv } from '@/context/EnvContext';
 import { useTranslation } from '@/hooks/useTranslation';
 
 const TabNavigation: React.FC<{
@@ -11,12 +12,16 @@ const TabNavigation: React.FC<{
   onTabChange: (tab: string) => void;
 }> = ({ activeTab, onTabChange }) => {
   const _ = useTranslation();
+  const { appService } = useEnv();
 
   const tabs = ['toc', 'annotations', 'bookmarks'];
 
   return (
     <div
-      className={clsx('bottom-tab border-base-300/50 bg-base-200 relative flex w-full border-t')}
+      className={clsx(
+        'bottom-tab border-base-300/50 bg-base-200 relative flex w-full border-t',
+        appService?.hasRoundedWindow && 'rounded-window-bottom-left',
+      )}
       dir='ltr'
     >
       <div
diff --git a/apps/readest-app/src/app/user/page.tsx b/apps/readest-app/src/app/user/page.tsx
index 37aaec4a..8fa9d42e 100644
--- a/apps/readest-app/src/app/user/page.tsx
+++ b/apps/readest-app/src/app/user/page.tsx
@@ -69,7 +69,7 @@ const ProfilePage = () => {
 
   useTheme({ systemUIVisible: false });
 
-  const { quotas, userPlan } = useQuotaStats();
+  const { quotas, userPlan = 'free' } = useQuotaStats();
 
   const handleGoBack = () => {
     if (showEmbeddedCheckout) {
@@ -219,62 +219,66 @@ const ProfilePage = () => {
   return (
     <div
       className={clsx(
-        'fixed inset-0 z-0 flex select-none flex-col items-center overflow-y-auto',
-        'bg-base-100 border-base-200 border',
+        'bg-base-100 fixed inset-0 select-none overflow-hidden',
+        appService?.isIOSApp ? 'h-[100vh]' : 'h-dvh',
+        appService?.isLinuxApp && 'window-border',
+        appService?.hasRoundedWindow && 'rounded-window',
         appService?.hasSafeAreaInset && 'pt-[env(safe-area-inset-top)]',
       )}
     >
-      <ProfileHeader onGoBack={handleGoBack} />
-      <div className='w-full min-w-60 max-w-4xl py-10'>
-        {loading && (
-          <div className='fixed inset-0 z-50 flex items-center justify-center'>
-            <Spinner loading />
-          </div>
-        )}
-        {showEmbeddedCheckout ? (
-          <div className='bg-base-100 rounded-lg p-4'>
-            <Checkout
-              clientSecret={checkoutState.clientSecret}
-              sessionId={checkoutState.sessionId}
-              planName={checkoutState.planName}
-              onSuccess={handleCheckoutSuccess}
-            />
-          </div>
-        ) : (
-          <div className='sm:bg-base-200 overflow-hidden rounded-lg sm:p-6 sm:shadow-md'>
-            <div className='flex flex-col gap-y-8'>
-              <div className='flex flex-col gap-y-8 px-6'>
-                <UserInfo
-                  avatarUrl={avatarUrl}
-                  userFullName={userFullName}
-                  userEmail={userEmail}
-                  planDetails={planDetails}
-                />
+      <div className='flex h-full w-full flex-col items-center overflow-y-auto'>
+        <ProfileHeader onGoBack={handleGoBack} />
+        <div className='w-full min-w-60 max-w-4xl py-10'>
+          {loading && (
+            <div className='fixed inset-0 z-50 flex items-center justify-center'>
+              <Spinner loading />
+            </div>
+          )}
+          {showEmbeddedCheckout ? (
+            <div className='bg-base-100 rounded-lg p-4'>
+              <Checkout
+                clientSecret={checkoutState.clientSecret}
+                sessionId={checkoutState.sessionId}
+                planName={checkoutState.planName}
+                onSuccess={handleCheckoutSuccess}
+              />
+            </div>
+          ) : (
+            <div className='sm:bg-base-200 overflow-hidden rounded-lg sm:p-6 sm:shadow-md'>
+              <div className='flex flex-col gap-y-8'>
+                <div className='flex flex-col gap-y-8 px-6'>
+                  <UserInfo
+                    avatarUrl={avatarUrl}
+                    userFullName={userFullName}
+                    userEmail={userEmail}
+                    planDetails={planDetails}
+                  />
 
-                <UsageStats quotas={quotas} />
-              </div>
+                  <UsageStats quotas={quotas} />
+                </div>
 
-              <div className='flex flex-col gap-y-8 sm:px-6'>
-                <PlansComparison
-                  availablePlans={availablePlans}
-                  userPlan={userPlan}
-                  onSubscribe={handleSubscribe}
-                />
-              </div>
+                <div className='flex flex-col gap-y-8 sm:px-6'>
+                  <PlansComparison
+                    availablePlans={availablePlans}
+                    userPlan={userPlan}
+                    onSubscribe={handleSubscribe}
+                  />
+                </div>
 
-              <div className='flex flex-col gap-y-8 px-6'>
-                <AccountActions
-                  userPlan={userPlan}
-                  onLogout={handleLogout}
-                  onConfirmDelete={handleConfirmDelete}
-                  onManageSubscription={handleManageSubscription}
-                />
+                <div className='flex flex-col gap-y-8 px-6'>
+                  <AccountActions
+                    userPlan={userPlan}
+                    onLogout={handleLogout}
+                    onConfirmDelete={handleConfirmDelete}
+                    onManageSubscription={handleManageSubscription}
+                  />
+                </div>
               </div>
             </div>
-          </div>
-        )}
+          )}
+        </div>
+        <Toast />
       </div>
-      <Toast />
     </div>
   );
 };
diff --git a/apps/readest-app/src/components/Dialog.tsx b/apps/readest-app/src/components/Dialog.tsx
index 50de3413..19d70ee1 100644
--- a/apps/readest-app/src/components/Dialog.tsx
+++ b/apps/readest-app/src/components/Dialog.tsx
@@ -160,7 +160,11 @@ const Dialog: React.FC<DialogProps> = ({
       dir={isRtl ? 'rtl' : undefined}
     >
       <div
-        className={clsx('overlay fixed inset-0 z-10 bg-black/50 sm:bg-black/20', bgClassName)}
+        className={clsx(
+          'overlay fixed inset-0 z-10 bg-black/50 sm:bg-black/20',
+          appService?.hasRoundedWindow && 'rounded-window',
+          bgClassName,
+        )}
         onClick={onClose}
       />
       <div
diff --git a/apps/readest-app/src/hooks/useQuotaStats.ts b/apps/readest-app/src/hooks/useQuotaStats.ts
index 3b37d3d7..dcd1afda 100644
--- a/apps/readest-app/src/hooks/useQuotaStats.ts
+++ b/apps/readest-app/src/hooks/useQuotaStats.ts
@@ -8,7 +8,7 @@ export const useQuotaStats = () => {
   const _ = useTranslation();
   const { token, user } = useAuth();
   const [quotas, setQuotas] = useState<QuotaType[]>([]);
-  const [userPlan, setUserPlan] = useState<UserPlan>('free');
+  const [userPlan, setUserPlan] = useState<UserPlan | undefined>(undefined);
 
   useEffect(() => {
     if (!user || !token) return;
diff --git a/apps/readest-app/src/services/nativeAppService.ts b/apps/readest-app/src/services/nativeAppService.ts
index 72260ea4..0fa61d44 100644
--- a/apps/readest-app/src/services/nativeAppService.ts
+++ b/apps/readest-app/src/services/nativeAppService.ts
@@ -220,7 +220,7 @@ export class NativeAppService extends BaseAppService {
   override hasWindow = !(OS_TYPE === 'ios' || OS_TYPE === 'android');
   override hasWindowBar = !(OS_TYPE === 'ios' || OS_TYPE === 'android');
   override hasContextMenu = !(OS_TYPE === 'ios' || OS_TYPE === 'android');
-  override hasRoundedWindow = !(OS_TYPE === 'ios' || OS_TYPE === 'android') && !!window.IS_ROUNDED;
+  override hasRoundedWindow = OS_TYPE === 'linux';
   override hasSafeAreaInset = OS_TYPE === 'ios' || OS_TYPE === 'android';
   override hasHaptics = OS_TYPE === 'ios' || OS_TYPE === 'android';
   override hasUpdater =
diff --git a/apps/readest-app/src/styles/globals.css b/apps/readest-app/src/styles/globals.css
index 82c70997..0e3ba5c9 100644
--- a/apps/readest-app/src/styles/globals.css
+++ b/apps/readest-app/src/styles/globals.css
@@ -6,6 +6,7 @@
   border-radius: 10px;
   scrollbar-gutter: auto !important;
   overscroll-behavior: none;
+  background-color: transparent;
 
   --safe-area-inset-top: env(safe-area-inset-top);
   --safe-area-inset-right: env(safe-area-inset-right);
@@ -97,6 +98,25 @@ foliate-view {
   border-bottom-right-radius: 10px;
 }
 
+.window-border {
+  border-radius: 10px;
+  z-index: 999;
+  position: relative;
+}
+
+.window-border::before {
+  content: '';
+  z-index: 1000;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  border: 1px solid theme('colors.base-300');
+  border-radius: 10px;
+  pointer-events: none;
+}
+
 .dropdown-content {
   position: relative;
   @apply bg-base-100;