diff --git a/resources/js/components/AppearanceTabs.vue b/resources/js/components/AppearanceTabs.vue
index d305c42..f848262 100644
--- a/resources/js/components/AppearanceTabs.vue
+++ b/resources/js/components/AppearanceTabs.vue
@@ -1,39 +1,80 @@
 <script setup lang="ts">
-import { Monitor, Moon, Sun } from 'lucide-vue-next';
+import { Check, Monitor, Moon, Sun } from 'lucide-vue-next';
+import { computed } from 'vue';
 import { useAppearance } from '@/composables/useAppearance';
 import { useLocalization } from '@/composables/useLocalization';
 
 const { appearance, updateAppearance } = useAppearance();
 const { t } = useLocalization();
 
-const tabs = [
-    { value: 'light', Icon: Sun, label: 'appearance.light' },
-    { value: 'dark', Icon: Moon, label: 'appearance.dark' },
-    { value: 'system', Icon: Monitor, label: 'appearance.system' },
-] as const;
+const tabs = computed(() => [
+    {
+        value: 'light' as const,
+        Icon: Sun,
+        label: t('appearance.light'),
+        description: t('appearance.lightDescription'),
+    },
+    {
+        value: 'dark' as const,
+        Icon: Moon,
+        label: t('appearance.dark'),
+        description: t('appearance.darkDescription'),
+    },
+    {
+        value: 'system' as const,
+        Icon: Monitor,
+        label: t('appearance.system'),
+        description: t('appearance.systemDescription'),
+    },
+]);
 </script>
 
 <template>
-    <div
-        role="group"
-        :aria-label="t('appearance.label')"
-        class="border-border bg-muted inline-flex max-w-full gap-1 rounded-lg border p-1"
-    >
-        <button
-            v-for="{ value, Icon, label } in tabs"
-            :key="value"
-            type="button"
-            :aria-pressed="appearance === value"
-            @click="updateAppearance(value)"
-            :class="[
-                'min-h-control text-body focus-visible:outline-ring flex min-w-0 items-center justify-center gap-1.5 rounded-md px-3 font-medium transition-colors focus-visible:outline-2 focus-visible:outline-offset-2',
-                appearance === value
-                    ? 'bg-primary text-primary-foreground'
-                    : 'text-muted-foreground hover:bg-accent hover:text-accent-foreground',
-            ]"
-        >
-            <component :is="Icon" class="size-4 shrink-0" aria-hidden="true" />
-            <span>{{ t(label) }}</span>
-        </button>
-    </div>
+    <fieldset class="min-w-0">
+        <legend class="sr-only">{{ t('appearance.label') }}</legend>
+        <div class="grid min-w-0 gap-3 sm:grid-cols-3">
+            <label
+                v-for="{ value, Icon, label, description } in tabs"
+                :key="value"
+                class="relative min-w-0"
+            >
+                <input
+                    type="radio"
+                    name="appearance"
+                    :value="value"
+                    :checked="appearance === value"
+                    :aria-describedby="`appearance-${value}-description`"
+                    class="peer sr-only"
+                    @change="updateAppearance(value)"
+                />
+                <span
+                    class="peer-checked:border-primary peer-checked:bg-accent/50 peer-focus-visible:ring-ring/40 gap-stack bg-background hover:border-primary/50 flex h-full min-h-32 cursor-pointer flex-col rounded-lg border p-4 transition-colors peer-focus-visible:ring-2"
+                >
+                    <span class="flex items-center justify-between gap-3">
+                        <span
+                            class="bg-accent text-primary flex size-10 items-center justify-center rounded-lg"
+                        >
+                            <component
+                                :is="Icon"
+                                class="size-5"
+                                aria-hidden="true"
+                            />
+                        </span>
+                        <Check
+                            v-if="appearance === value"
+                            class="text-primary size-5"
+                            aria-hidden="true"
+                        />
+                    </span>
+                    <span class="font-semibold">{{ label }}</span>
+                    <span
+                        :id="`appearance-${value}-description`"
+                        class="text-caption text-muted-foreground"
+                    >
+                        {{ description }}
+                    </span>
+                </span>
+            </label>
+        </div>
+    </fieldset>
 </template>
diff --git a/resources/js/components/DeleteUser.vue b/resources/js/components/DeleteUser.vue
index 871fb5e..5227224 100644
--- a/resources/js/components/DeleteUser.vue
+++ b/resources/js/components/DeleteUser.vue
@@ -2,10 +2,10 @@
 import { Form } from '@inertiajs/vue3';
 import { useTemplateRef } from 'vue';
 import ProfileController from '@/actions/App/Http/Controllers/Settings/ProfileController';
-import Heading from '@/components/Heading.vue';
 import InputError from '@/components/InputError.vue';
 import PasswordInput from '@/components/PasswordInput.vue';
 import { Button } from '@/components/ui/button';
+import { Card, CardContent, CardHeader } from '@/components/ui/card';
 import {
     Dialog,
     DialogClose,
@@ -17,97 +17,104 @@ import {
     DialogTrigger,
 } from '@/components/ui/dialog';
 import { Label } from '@/components/ui/label';
+import { useLocalization } from '@/composables/useLocalization';
 
 const passwordInput = useTemplateRef('passwordInput');
+const { t } = useLocalization();
 </script>
 
 <template>
-    <div class="space-y-6">
-        <Heading
-            variant="small"
-            title="Delete account"
-            description="Delete your account and all of its resources"
-        />
-        <div
-            class="space-y-4 rounded-lg border border-red-100 bg-red-50 p-4 dark:border-red-200/10 dark:bg-red-700/10"
-        >
-            <div class="relative space-y-0.5 text-red-600 dark:text-red-100">
-                <p class="font-medium">Warning</p>
-                <p class="text-sm">
-                    Please proceed with caution, this cannot be undone.
-                </p>
-            </div>
-            <Dialog>
-                <DialogTrigger as-child>
-                    <Button variant="destructive" data-test="delete-user-button"
-                        >Delete account</Button
-                    >
-                </DialogTrigger>
-                <DialogContent>
-                    <Form
-                        v-bind="ProfileController.destroy.form()"
-                        reset-on-success
-                        @error="() => passwordInput?.focus()"
-                        :options="{
-                            preserveScroll: true,
-                        }"
-                        class="space-y-6"
-                        v-slot="{ errors, processing, reset, clearErrors }"
-                    >
-                        <DialogHeader class="space-y-3">
-                            <DialogTitle
-                                >Are you sure you want to delete your
-                                account?</DialogTitle
-                            >
-                            <DialogDescription>
-                                Once your account is deleted, all of its
-                                resources and data will also be permanently
-                                deleted. Please enter your password to confirm
-                                you would like to permanently delete your
-                                account.
-                            </DialogDescription>
-                        </DialogHeader>
+    <Card
+        class="border-destructive/35 gap-0 overflow-hidden rounded-xl py-0 shadow-none"
+    >
+        <CardHeader class="gap-stack border-b p-5 sm:p-6">
+            <h2 class="text-title">{{ t('profile.delete.title') }}</h2>
+            <p class="text-muted-foreground">
+                {{ t('profile.delete.description') }}
+            </p>
+        </CardHeader>
+        <CardContent class="p-5 sm:p-6">
+            <div
+                class="bg-destructive/8 border-destructive/25 gap-column grid rounded-lg border p-4"
+            >
+                <div class="gap-stack grid">
+                    <p class="text-destructive font-semibold">
+                        {{ t('profile.delete.warning') }}
+                    </p>
+                    <p class="text-body text-muted-foreground">
+                        {{ t('profile.delete.warningDescription') }}
+                    </p>
+                </div>
+                <Dialog>
+                    <DialogTrigger as-child>
+                        <Button
+                            variant="destructive"
+                            class="justify-self-start"
+                            data-test="delete-user-button"
+                            >{{ t('profile.delete.action') }}</Button
+                        >
+                    </DialogTrigger>
+                    <DialogContent>
+                        <Form
+                            v-bind="ProfileController.destroy.form()"
+                            reset-on-success
+                            @error="() => passwordInput?.focus()"
+                            :options="{
+                                preserveScroll: true,
+                            }"
+                            class="space-y-6"
+                            v-slot="{ errors, processing, reset, clearErrors }"
+                        >
+                            <DialogHeader class="space-y-3">
+                                <DialogTitle>{{
+                                    t('profile.delete.confirmTitle')
+                                }}</DialogTitle>
+                                <DialogDescription>
+                                    {{ t('profile.delete.confirmDescription') }}
+                                </DialogDescription>
+                            </DialogHeader>
 
-                        <div class="grid gap-2">
-                            <Label for="password" class="sr-only"
-                                >Password</Label
-                            >
-                            <PasswordInput
-                                id="password"
-                                name="password"
-                                ref="passwordInput"
-                                placeholder="Password"
-                            />
-                            <InputError :message="errors.password" />
-                        </div>
+                            <div class="grid gap-2">
+                                <Label for="password" class="sr-only">{{
+                                    t('profile.delete.password')
+                                }}</Label>
+                                <PasswordInput
+                                    id="password"
+                                    name="password"
+                                    ref="passwordInput"
+                                    :placeholder="t('profile.delete.password')"
+                                />
+                                <InputError :message="errors.password" />
+                            </div>
+
+                            <DialogFooter class="gap-2">
+                                <DialogClose as-child>
+                                    <Button
+                                        variant="secondary"
+                                        @click="
+                                            () => {
+                                                clearErrors();
+                                                reset();
+                                            }
+                                        "
+                                    >
+                                        {{ t('common.cancel') }}
+                                    </Button>
+                                </DialogClose>
 
-                        <DialogFooter class="gap-2">
-                            <DialogClose as-child>
                                 <Button
-                                    variant="secondary"
-                                    @click="
-                                        () => {
-                                            clearErrors();
-                                            reset();
-                                        }
-                                    "
+                                    type="submit"
+                                    variant="destructive"
+                                    :disabled="processing"
+                                    data-test="confirm-delete-user-button"
                                 >
-                                    Cancel
+                                    {{ t('profile.delete.confirmAction') }}
                                 </Button>
-                            </DialogClose>
-
-                            <Button
-                                type="submit"
-                                variant="destructive"
-                                :disabled="processing"
-                                data-test="confirm-delete-user-button"
-                            >
-                                Delete account
-                            </Button>
-                        </DialogFooter>
-                    </Form>
-                </DialogContent>
-            </Dialog>
-        </div>
-    </div>
+                            </DialogFooter>
+                        </Form>
+                    </DialogContent>
+                </Dialog>
+            </div>
+        </CardContent>
+    </Card>
 </template>
diff --git a/resources/js/layouts/settings/Layout.vue b/resources/js/layouts/settings/Layout.vue
index 959f144..3f5ddff 100644
--- a/resources/js/layouts/settings/Layout.vue
+++ b/resources/js/layouts/settings/Layout.vue
@@ -1,9 +1,14 @@
 <script setup lang="ts">
 import { Link } from '@inertiajs/vue3';
+import {
+    GitBranch,
+    KeyRound,
+    Palette,
+    Settings2,
+    ShieldCheck,
+    UserRound,
+} from 'lucide-vue-next';
 import { computed } from 'vue';
-import Heading from '@/components/Heading.vue';
-import { Button } from '@/components/ui/button';
-import { Separator } from '@/components/ui/separator';
 import { useCurrentUrl } from '@/composables/useCurrentUrl';
 import { useLocalization } from '@/composables/useLocalization';
 import { toUrl } from '@/lib/utils';
@@ -19,22 +24,27 @@ const sidebarNavItems = computed<NavItem[]>(() => [
     {
         title: t('navigation.profile'),
         href: editProfile(),
+        icon: UserRound,
     },
     {
         title: t('navigation.security'),
         href: editSecurity(),
+        icon: ShieldCheck,
     },
     {
         title: t('navigation.gitConnections'),
         href: editGitConnections(),
+        icon: GitBranch,
     },
     {
         title: t('navigation.applications'),
         href: editApplications(),
+        icon: KeyRound,
     },
     {
         title: t('navigation.appearance'),
         href: editAppearance(),
+        icon: Palette,
     },
 ]);
 
@@ -42,47 +52,60 @@ const { isCurrentOrParentUrl } = useCurrentUrl();
 </script>
 
 <template>
-    <div class="px-4 py-6">
-        <Heading
-            :title="t('navigation.settings')"
-            :description="t('navigation.settingsDescription')"
-        />
+    <div
+        class="gap-page md:p-page mx-auto flex w-full min-w-0 max-w-6xl flex-1 flex-col p-4"
+    >
+        <header class="gap-stack grid min-w-0">
+            <div class="text-primary flex items-center gap-2">
+                <Settings2 class="size-4" aria-hidden="true" />
+                <p class="text-label text-muted-foreground uppercase">
+                    {{ t('settings.eyebrow') }}
+                </p>
+            </div>
+            <h1 class="text-headline-mobile md:text-headline break-words">
+                {{ t('navigation.settings') }}
+            </h1>
+            <p class="text-muted-foreground max-w-2xl">
+                {{ t('navigation.settingsDescription') }}
+            </p>
+        </header>
 
-        <div class="flex min-w-0 flex-col gap-6 lg:flex-row lg:gap-12">
-            <aside class="w-full min-w-0 lg:w-52 lg:shrink-0">
+        <div
+            class="bg-card grid min-w-0 overflow-hidden rounded-xl border shadow-sm lg:grid-cols-[15rem_minmax(0,1fr)]"
+        >
+            <aside
+                class="bg-muted/35 border-b p-3 lg:border-b-0 lg:border-r lg:p-4"
+            >
                 <nav
-                    class="flex gap-1 overflow-x-auto lg:flex-col"
+                    class="flex gap-2 overflow-x-auto pb-1 lg:flex-col lg:overflow-visible lg:pb-0"
                     :aria-label="t('navigation.settings')"
                 >
-                    <Button
+                    <Link
                         v-for="item in sidebarNavItems"
                         :key="toUrl(item.href)"
-                        variant="ghost"
+                        :href="item.href"
+                        :aria-current="
+                            isCurrentOrParentUrl(item.href) ? 'page' : undefined
+                        "
                         :class="[
-                            'shrink-0 justify-start lg:w-full',
-                            { 'bg-muted': isCurrentOrParentUrl(item.href) },
+                            'text-body focus-visible:ring-ring/40 flex min-h-11 shrink-0 items-center gap-2 rounded-lg border px-3 font-medium outline-none transition-colors focus-visible:ring-2 lg:w-full',
+                            isCurrentOrParentUrl(item.href)
+                                ? 'border-primary/25 bg-accent text-accent-foreground shadow-xs'
+                                : 'text-muted-foreground hover:border-border hover:bg-background hover:text-foreground border-transparent',
                         ]"
-                        as-child
                     >
-                        <Link
-                            :href="item.href"
-                            :aria-current="
-                                isCurrentOrParentUrl(item.href)
-                                    ? 'page'
-                                    : undefined
-                            "
-                        >
-                            <component :is="item.icon" class="h-4 w-4" />
-                            {{ item.title }}
-                        </Link>
-                    </Button>
+                        <component
+                            :is="item.icon"
+                            class="size-4 shrink-0"
+                            aria-hidden="true"
+                        />
+                        <span class="whitespace-nowrap">{{ item.title }}</span>
+                    </Link>
                 </nav>
             </aside>
 
-            <Separator class="lg:hidden" />
-
-            <div class="min-w-0 flex-1 md:max-w-2xl">
-                <section class="max-w-xl space-y-12">
+            <div class="min-w-0 p-4 sm:p-6 lg:p-8">
+                <section class="mx-auto grid max-w-3xl gap-8">
                     <slot />
                 </section>
             </div>
diff --git a/resources/js/locales/en.ts b/resources/js/locales/en.ts
index a9c57d7..c58282e 100644
--- a/resources/js/locales/en.ts
+++ b/resources/js/locales/en.ts
@@ -359,6 +359,7 @@ export const en = {
     'navigation.appearance': 'Appearance',
     'navigation.settingsDescription':
         'Manage your profile, security, and Git integration settings.',
+    'settings.eyebrow': 'Account settings',
     'navigation.createTicket': 'New ticket',
     'navigation.createProject': 'New project',
     'navigation.open': 'Open navigation',
@@ -373,8 +374,58 @@ export const en = {
     'navigation.breadcrumbs': 'Breadcrumbs',
     'appearance.label': 'Color theme',
     'appearance.light': 'Light',
+    'appearance.lightDescription':
+        'Use a bright workspace with dark text and clear borders.',
     'appearance.dark': 'Dark',
+    'appearance.darkDescription':
+        'Reduce glare with a darker workspace and balanced contrast.',
     'appearance.system': 'System',
+    'appearance.systemDescription':
+        'Follow the light or dark preference set on this device.',
+    'appearance.title': 'Appearance',
+    'appearance.description': 'Choose how KanbanGit looks on this device.',
+    'appearance.persistenceHint':
+        'Your choice is saved on this device and restored when you open KanbanGit again.',
+    'profile.title': 'Profile',
+    'profile.description':
+        'Keep your personal details and profile picture up to date.',
+    'profile.information': 'Profile information',
+    'profile.picture': 'Profile picture',
+    'profile.pictureDescription':
+        'Help teammates recognize you throughout the workspace.',
+    'profile.picturePreview': 'Profile picture preview',
+    'profile.choosePicture': 'Choose picture',
+    'profile.changePicture': 'Choose another',
+    'profile.discardPicture': 'Discard selection',
+    'profile.removePicture': 'Remove picture',
+    'profile.removingPicture': 'Removing picture…',
+    'profile.selectedPicture': 'Selected: {name}',
+    'profile.pictureHelp':
+        'Choose a PNG, JPG, or WebP image up to 2 MB. On mobile, you can select from your photo library or camera.',
+    'profile.name': 'Name',
+    'profile.namePlaceholder': 'Full name',
+    'profile.email': 'Email address',
+    'profile.emailPlaceholder': 'Email address',
+    'profile.emailUnverified': 'Your email address is unverified.',
+    'profile.resendVerification': 'Resend the verification email',
+    'profile.verificationSent':
+        'A new verification link has been sent to your email address.',
+    'profile.save': 'Save profile',
+    'profile.saving': 'Saving profile…',
+    'profile.unsaved': 'You have unsaved profile changes.',
+    'profile.delete.title': 'Delete account',
+    'profile.delete.description':
+        'Permanently delete your account and all of its resources.',
+    'profile.delete.warning': 'This action cannot be undone',
+    'profile.delete.warningDescription':
+        'Your account and associated data will be permanently removed.',
+    'profile.delete.action': 'Delete account',
+    'profile.delete.confirmTitle':
+        'Are you sure you want to delete your account?',
+    'profile.delete.confirmDescription':
+        'Enter your password to confirm that you want to permanently delete your account and its data.',
+    'profile.delete.password': 'Password',
+    'profile.delete.confirmAction': 'Permanently delete account',
     'common.cancel': 'Cancel',
     'common.close': 'Close',
     'common.retry': 'Try again',
diff --git a/resources/js/pages/settings/Appearance.vue b/resources/js/pages/settings/Appearance.vue
index 85e0946..5363f97 100644
--- a/resources/js/pages/settings/Appearance.vue
+++ b/resources/js/pages/settings/Appearance.vue
@@ -1,35 +1,42 @@
 <script setup lang="ts">
 import { Head } from '@inertiajs/vue3';
 import AppearanceTabs from '@/components/AppearanceTabs.vue';
-import Heading from '@/components/Heading.vue';
+import { Card, CardContent, CardHeader } from '@/components/ui/card';
+import { useLocalization } from '@/composables/useLocalization';
 import AppLayout from '@/layouts/AppLayout.vue';
 import SettingsLayout from '@/layouts/settings/Layout.vue';
 import { edit } from '@/routes/appearance/index';
 import type { BreadcrumbItem } from '@/types';
+import { computed } from 'vue';
 
-const breadcrumbItems: BreadcrumbItem[] = [
+const { t } = useLocalization();
+const breadcrumbItems = computed<BreadcrumbItem[]>(() => [
     {
-        title: 'Appearance settings',
+        title: t('navigation.appearance'),
         href: edit(),
     },
-];
+]);
 </script>
 
 <template>
     <AppLayout :breadcrumbs="breadcrumbItems">
-        <Head title="Appearance settings" />
-
-        <h1 class="sr-only">Appearance settings</h1>
+        <Head :title="t('appearance.title')" />
 
         <SettingsLayout>
-            <div class="space-y-6">
-                <Heading
-                    variant="small"
-                    title="Appearance settings"
-                    description="Update your account's appearance settings"
-                />
-                <AppearanceTabs />
-            </div>
+            <Card class="gap-0 overflow-hidden rounded-xl py-0 shadow-none">
+                <CardHeader class="gap-stack border-b p-5 sm:p-6">
+                    <h2 class="text-title">{{ t('appearance.title') }}</h2>
+                    <p class="text-muted-foreground">
+                        {{ t('appearance.description') }}
+                    </p>
+                </CardHeader>
+                <CardContent class="gap-column grid p-5 sm:p-6">
+                    <AppearanceTabs />
+                    <p class="text-caption text-muted-foreground">
+                        {{ t('appearance.persistenceHint') }}
+                    </p>
+                </CardContent>
+            </Card>
         </SettingsLayout>
     </AppLayout>
 </template>
diff --git a/resources/js/pages/settings/Profile.vue b/resources/js/pages/settings/Profile.vue
index 82ddff3..00d0e55 100644
--- a/resources/js/pages/settings/Profile.vue
+++ b/resources/js/pages/settings/Profile.vue
@@ -1,209 +1,385 @@
 <script setup lang="ts">
-import { Form, Head, Link, useForm, usePage } from '@inertiajs/vue3';
-import { Trash2 } from 'lucide-vue-next';
-import { computed, onBeforeUnmount, ref } from 'vue';
+import { Head, Link, useForm, usePage } from '@inertiajs/vue3';
+import { Camera, RotateCcw, Trash2 } from 'lucide-vue-next';
+import { computed, onBeforeUnmount, ref, useTemplateRef } from 'vue';
 import ProfileController from '@/actions/App/Http/Controllers/Settings/ProfileController';
 import DeleteUser from '@/components/DeleteUser.vue';
-import Heading from '@/components/Heading.vue';
+import FormFeedback from '@/components/FormFeedback.vue';
 import InputError from '@/components/InputError.vue';
+import UserAvatar from '@/components/ui/avatar/UserAvatar.vue';
 import { Button } from '@/components/ui/button';
+import { Card, CardContent, CardHeader } from '@/components/ui/card';
 import { Input } from '@/components/ui/input';
 import { Label } from '@/components/ui/label';
+import { useFormProtection } from '@/composables/useFormProtection';
+import { useLocalization } from '@/composables/useLocalization';
 import AppLayout from '@/layouts/AppLayout.vue';
 import SettingsLayout from '@/layouts/settings/Layout.vue';
 import { edit } from '@/routes/profile/index';
 import { send } from '@/routes/verification';
 import type { BreadcrumbItem, SettingsProfilePageProps } from '@/types';
-import UserAvatar from '@/components/ui/avatar/UserAvatar.vue';
+import type { UserModel } from '@/types/models/user-model';
 
 defineProps<SettingsProfilePageProps>();
 
-const breadcrumbItems: BreadcrumbItem[] = [
-    {
-        title: 'Profile settings',
-        href: edit(),
-    },
-];
-
+const { t } = useLocalization();
 const page = usePage();
 const user = computed(() => page.props.auth.user);
-const avatarPreview = ref<string | null>(null);
+const breadcrumbItems = computed<BreadcrumbItem[]>(() => [
+    {
+        title: t('navigation.profile'),
+        href: edit(),
+    },
+]);
+const profileForm = useForm('SettingsProfile', {
+    name: user.value.name,
+    email: user.value.email,
+    avatar: null as File | null,
+});
+const profileProtection = useFormProtection(profileForm);
 const avatarDeleteForm = useForm({});
+const avatarDeleteProtection = useFormProtection(avatarDeleteForm);
+const avatarInput = useTemplateRef<HTMLInputElement>('avatarInput');
+const avatarPreview = ref<string | null>(null);
 const displayedAvatar = computed(
     () => avatarPreview.value ?? user.value.avatar,
 );
+const displayedUser = computed<UserModel>(() => ({
+    ...user.value,
+    avatar: displayedAvatar.value,
+}));
 const canRemoveAvatar = computed(
-    () => user.value.avatar !== null && !user.value.avatar_is_generated,
+    () =>
+        avatarPreview.value === null &&
+        user.value.avatar !== null &&
+        !user.value.avatar_is_generated,
 );
+const profileUpdateForm = ProfileController.update.form();
+const profileUpdateTarget = {
+    url: profileUpdateForm.action,
+    method: profileUpdateForm.method,
+};
 
-const clearAvatarPreview = (): void => {
+function clearAvatarPreview(): void {
     if (avatarPreview.value) {
         URL.revokeObjectURL(avatarPreview.value);
         avatarPreview.value = null;
     }
-};
+}
 
-const handleAvatarChange = (event: Event) => {
+function clearAvatarSelection(): void {
+    clearAvatarPreview();
+    profileForm.avatar = null;
+    profileForm.clearErrors('avatar');
+    profileProtection.clearFeedback();
+    if (avatarInput.value) {
+        avatarInput.value.value = '';
+    }
+}
+
+function handleAvatarChange(event: Event): void {
     const input = event.target as HTMLInputElement;
-    const file = input.files?.[0];
+    const file = input.files?.[0] ?? null;
 
     clearAvatarPreview();
+    profileForm.avatar = file;
+    profileForm.clearErrors('avatar');
+    profileProtection.clearFeedback();
 
     if (file) {
         avatarPreview.value = URL.createObjectURL(file);
     }
-};
+}
 
-const removeAvatar = (): void => {
-    avatarDeleteForm.delete(ProfileController.destroyAvatar.url(), {
+function submitProfile(): void {
+    profileProtection.submit(profileUpdateTarget, {
+        forceFormData: true,
         preserveScroll: true,
-        onSuccess: clearAvatarPreview,
+        onSuccess: () => {
+            profileForm.defaults({
+                name: profileForm.name,
+                email: profileForm.email,
+                avatar: null,
+            });
+            clearAvatarSelection();
+        },
     });
-};
+}
 
-onBeforeUnmount(() => {
-    clearAvatarPreview();
-});
+function removeAvatar(): void {
+    avatarDeleteProtection.submit(ProfileController.destroyAvatar(), {
+        preserveScroll: true,
+        onSuccess: clearAvatarSelection,
+    });
+}
+
+onBeforeUnmount(clearAvatarPreview);
 </script>
 
 <template>
     <AppLayout :breadcrumbs="breadcrumbItems">
-        <Head title="Profile settings" />
-
-        <h1 class="sr-only">Profile settings</h1>
+        <Head :title="t('profile.title')" />
 
         <SettingsLayout>
-            <div class="flex flex-col space-y-6">
-                <Heading
-                    variant="small"
-                    title="Profile information"
-                    description="Update your name, email address, and profile picture"
-                />
+            <Card class="gap-0 overflow-hidden rounded-xl py-0 shadow-none">
+                <CardHeader class="gap-stack border-b p-5 sm:p-6">
+                    <h2 class="text-title">{{ t('profile.title') }}</h2>
+                    <p class="text-muted-foreground">
+                        {{ t('profile.description') }}
+                    </p>
+                </CardHeader>
 
-                <Form
-                    v-bind="ProfileController.update.form()"
-                    class="space-y-6"
-                    v-slot="{
-                        errors,
-                        processing,
-                        progress,
-                        recentlySuccessful,
-                    }"
-                >
-                    <div class="grid gap-3">
-                        <Label for="avatar">Profile picture</Label>
-                        <div class="flex items-center gap-4">
-                            <UserAvatar class="size-16" />
-                            <div class="grid flex-1 gap-2">
-                                <div class="flex flex-col gap-2 sm:flex-row">
-                                    <Input
-                                        id="avatar"
-                                        name="avatar"
-                                        type="file"
-                                        accept="image/png,image/jpeg,image/webp"
-                                        @change="handleAvatarChange"
-                                    />
-                                    <Button
-                                        v-if="canRemoveAvatar"
-                                        type="button"
-                                        variant="outline"
-                                        :disabled="avatarDeleteForm.processing"
-                                        data-test="delete-profile-picture-button"
-                                        @click="removeAvatar"
+                <CardContent class="p-5 sm:p-6">
+                    <form
+                        class="gap-column grid min-w-0"
+                        :aria-busy="profileForm.processing"
+                        @submit.prevent="submitProfile"
+                    >
+                        <FormFeedback
+                            :state="profileProtection.state.value"
+                            :title="
+                                profileForm.processing
+                                    ? t('profile.saving')
+                                    : undefined
+                            "
+                            @retry="submitProfile"
+                        />
+
+                        <fieldset
+                            class="gap-column grid min-w-0"
+                            :disabled="profileForm.processing"
+                        >
+                            <legend class="sr-only">
+                                {{ t('profile.information') }}
+                            </legend>
+
+                            <section
+                                aria-labelledby="profile-picture-title"
+                                class="gap-column grid min-w-0 border-b pb-6"
+                            >
+                                <div class="gap-stack grid">
+                                    <h3
+                                        id="profile-picture-title"
+                                        class="font-semibold"
                                     >
-                                        <Trash2 class="size-4" />
-                                        Remove
-                                    </Button>
+                                        {{ t('profile.picture') }}
+                                    </h3>
+                                    <p
+                                        class="text-caption text-muted-foreground"
+                                    >
+                                        {{ t('profile.pictureDescription') }}
+                                    </p>
                                 </div>
-                                <p class="text-muted-foreground text-sm">
-                                    PNG, JPG, or WebP up to 2 MB.
+
+                                <div
+                                    class="flex min-w-0 flex-col gap-4 sm:flex-row sm:items-center"
+                                >
+                                    <UserAvatar
+                                        :user="displayedUser"
+                                        size="xl"
+                                        class="ring-border shrink-0 ring-1"
+                                        :label="t('profile.picturePreview')"
+                                    />
+                                    <div class="gap-stack grid min-w-0 flex-1">
+                                        <div class="flex flex-wrap gap-2">
+                                            <Button as-child variant="outline">
+                                                <label
+                                                    for="avatar"
+                                                    class="cursor-pointer"
+                                                >
+                                                    <Camera
+                                                        aria-hidden="true"
+                                                    />
+                                                    {{
+                                                        avatarPreview
+                                                            ? t(
+                                                                  'profile.changePicture',
+                                                              )
+                                                            : t(
+                                                                  'profile.choosePicture',
+                                                              )
+                                                    }}
+                                                </label>
+                                            </Button>
+                                            <Button
+                                                v-if="avatarPreview"
+                                                type="button"
+                                                variant="ghost"
+                                                @click="clearAvatarSelection"
+                                            >
+                                                <RotateCcw aria-hidden="true" />
+                                                {{
+                                                    t('profile.discardPicture')
+                                                }}
+                                            </Button>
+                                            <Button
+                                                v-else-if="canRemoveAvatar"
+                                                type="button"
+                                                variant="ghost"
+                                                :disabled="
+                                                    avatarDeleteForm.processing
+                                                "
+                                                data-test="delete-profile-picture-button"
+                                                @click="removeAvatar"
+                                            >
+                                                <Trash2 aria-hidden="true" />
+                                                {{ t('profile.removePicture') }}
+                                            </Button>
+                                        </div>
+                                        <input
+                                            id="avatar"
+                                            ref="avatarInput"
+                                            name="avatar"
+                                            type="file"
+                                            accept="image/png,image/jpeg,image/webp"
+                                            class="sr-only"
+                                            aria-describedby="avatar-help avatar-error"
+                                            :aria-invalid="
+                                                !!profileForm.errors.avatar
+                                            "
+                                            @change="handleAvatarChange"
+                                        />
+                                        <p
+                                            v-if="profileForm.avatar"
+                                            class="text-caption min-w-0 break-all font-medium"
+                                        >
+                                            {{
+                                                t('profile.selectedPicture', {
+                                                    name: profileForm.avatar
+                                                        .name,
+                                                })
+                                            }}
+                                        </p>
+                                        <p
+                                            id="avatar-help"
+                                            class="text-caption text-muted-foreground"
+                                        >
+                                            {{ t('profile.pictureHelp') }}
+                                        </p>
+                                        <progress
+                                            v-if="profileForm.progress"
+                                            class="h-1 w-full overflow-hidden rounded-full"
+                                            :value="
+                                                profileForm.progress.percentage
+                                            "
+                                            max="100"
+                                        >
+                                            {{
+                                                profileForm.progress.percentage
+                                            }}%
+                                        </progress>
+                                        <InputError
+                                            id="avatar-error"
+                                            :message="profileForm.errors.avatar"
+                                        />
+                                        <FormFeedback
+                                            :state="
+                                                avatarDeleteProtection.state
+                                                    .value
+                                            "
+                                            :title="
+                                                avatarDeleteForm.processing
+                                                    ? t(
+                                                          'profile.removingPicture',
+                                                      )
+                                                    : undefined
+                                            "
+                                            @retry="removeAvatar"
+                                        />
+                                    </div>
+                                </div>
+                            </section>
+
+                            <div class="grid gap-2">
+                                <Label for="name">{{
+                                    t('profile.name')
+                                }}</Label>
+                                <Input
+                                    id="name"
+                                    v-model="profileForm.name"
+                                    name="name"
+                                    required
+                                    autocomplete="name"
+                                    :placeholder="t('profile.namePlaceholder')"
+                                    :aria-invalid="!!profileForm.errors.name"
+                                    aria-describedby="name-error"
+                                />
+                                <InputError
+                                    id="name-error"
+                                    :message="profileForm.errors.name"
+                                />
+                            </div>
+
+                            <div class="grid gap-2">
+                                <Label for="email">{{
+                                    t('profile.email')
+                                }}</Label>
+                                <Input
+                                    id="email"
+                                    v-model="profileForm.email"
+                                    type="email"
+                                    name="email"
+                                    required
+                                    autocomplete="username"
+                                    :placeholder="t('profile.emailPlaceholder')"
+                                    :aria-invalid="!!profileForm.errors.email"
+                                    aria-describedby="email-error"
+                                />
+                                <InputError
+                                    id="email-error"
+                                    :message="profileForm.errors.email"
+                                />
+                            </div>
+
+                            <div
+                                v-if="
+                                    mustVerifyEmail && !user.email_verified_at
+                                "
+                                class="bg-muted/55 rounded-lg border p-4"
+                            >
+                                <p class="text-body text-muted-foreground">
+                                    {{ t('profile.emailUnverified') }}
+                                    <Link
+                                        :href="send()"
+                                        as="button"
+                                        class="text-primary font-medium underline underline-offset-4"
+                                    >
+                                        {{ t('profile.resendVerification') }}
+                                    </Link>
+                                </p>
+
+                                <p
+                                    v-if="status === 'verification-link-sent'"
+                                    role="status"
+                                    class="text-success-foreground mt-2 text-sm font-medium"
+                                >
+                                    {{ t('profile.verificationSent') }}
                                 </p>
                             </div>
-                        </div>
-                        <progress
-                            v-if="progress"
-                            class="h-1 w-full overflow-hidden rounded-full"
-                            :value="progress.percentage"
-                            max="100"
-                        >
-                            {{ progress.percentage }}%
-                        </progress>
-                        <InputError class="mt-1" :message="errors.avatar" />
-                    </div>
 
-                    <div class="grid gap-2">
-                        <Label for="name">Name</Label>
-                        <Input
-                            id="name"
-                            class="mt-1 block w-full"
-                            name="name"
-                            :default-value="user.name"
-                            required
-                            autocomplete="name"
-                            placeholder="Full name"
-                        />
-                        <InputError class="mt-2" :message="errors.name" />
-                    </div>
-
-                    <div class="grid gap-2">
-                        <Label for="email">Email address</Label>
-                        <Input
-                            id="email"
-                            type="email"
-                            class="mt-1 block w-full"
-                            name="email"
-                            :default-value="user.email"
-                            required
-                            autocomplete="username"
-                            placeholder="Email address"
-                        />
-                        <InputError class="mt-2" :message="errors.email" />
-                    </div>
-
-                    <div v-if="mustVerifyEmail && !user.email_verified_at">
-                        <p class="text-muted-foreground -mt-4 text-sm">
-                            Your email address is unverified.
-                            <Link
-                                :href="send()"
-                                as="button"
-                                class="text-foreground hover:decoration-current! underline decoration-neutral-300 underline-offset-4 transition-colors duration-300 ease-out dark:decoration-neutral-500"
-                            >
-                                Click here to resend the verification email.
-                            </Link>
-                        </p>
-
-                        <div
-                            v-if="status === 'verification-link-sent'"
-                            class="mt-2 text-sm font-medium text-green-600"
-                        >
-                            A new verification link has been sent to your email
-                            address.
-                        </div>
-                    </div>
-
-                    <div class="flex items-center gap-4">
-                        <Button
-                            :disabled="processing"
-                            data-test="update-profile-button"
-                            >Save</Button
-                        >
-
-                        <Transition
-                            enter-active-class="transition ease-in-out"
-                            enter-from-class="opacity-0"
-                            leave-active-class="transition ease-in-out"
-                            leave-to-class="opacity-0"
-                        >
-                            <p
-                                v-show="recentlySuccessful"
-                                class="text-sm text-neutral-600"
-                            >
-                                Saved.
-                            </p>
-                        </Transition>
-                    </div>
-                </Form>
-            </div>
+                            <div class="flex flex-wrap items-center gap-3">
+                                <Button
+                                    type="submit"
+                                    :disabled="profileForm.processing"
+                                    data-test="update-profile-button"
+                                >
+                                    {{
+                                        profileForm.processing
+                                            ? t('profile.saving')
+                                            : t('profile.save')
+                                    }}
+                                </Button>
+                                <p
+                                    v-if="profileForm.isDirty"
+                                    class="text-caption text-muted-foreground"
+                                >
+                                    {{ t('profile.unsaved') }}
+                                </p>
+                            </div>
+                        </fieldset>
+                    </form>
+                </CardContent>
+            </Card>
 
             <DeleteUser />
         </SettingsLayout>
diff --git a/tests/Feature/Settings/ProfileUpdateTest.php b/tests/Feature/Settings/ProfileUpdateTest.php
index 6dc4ffd..0fb2091 100644
--- a/tests/Feature/Settings/ProfileUpdateTest.php
+++ b/tests/Feature/Settings/ProfileUpdateTest.php
@@ -6,6 +6,7 @@ use App\Models\User;
 use Illuminate\Foundation\Testing\RefreshDatabase;
 use Illuminate\Http\UploadedFile;
 use Illuminate\Support\Facades\Storage;
+use Symfony\Component\Process\Process;
 use Tests\TestCase;
 
 class ProfileUpdateTest extends TestCase
@@ -219,6 +220,16 @@ class ProfileUpdateTest extends TestCase
         $response->assertSessionHasErrors('avatar');
     }
 
+    public function test_profile_and_appearance_settings_render_the_shared_localized_interface(): void
+    {
+        $process = new Process(['node', 'tests/Fixtures/settings.mjs'], base_path());
+        $process->setTimeout(60);
+        $process->run();
+
+        $this->assertTrue($process->isSuccessful(), $process->getOutput().$process->getErrorOutput());
+        $this->assertStringContainsString('Settings rendering and localization checks passed.', $process->getOutput());
+    }
+
     public function test_user_can_delete_their_account()
     {
         Storage::fake('public');
diff --git a/tests/Fixtures/appearance.mjs b/tests/Fixtures/appearance.mjs
index 83d7af1..5c6d735 100644
--- a/tests/Fixtures/appearance.mjs
+++ b/tests/Fixtures/appearance.mjs
@@ -84,15 +84,11 @@ try {
         renderTheme('light'),
         renderTheme('dark'),
     ]);
-    const selectedButton = (html) =>
-        html.match(
-            /<button[^>]*aria-pressed="true"[^>]*>([\s\S]*?)<\/button>/,
-        )[1];
-    assert.match(selectedButton(light), />Light</);
-    assert.match(selectedButton(dark), />Dark</);
-    assert.match(light, /role="group" aria-label="Color theme"/);
-    assert.equal((light.match(/type="button"/g) ?? []).length, 3);
-    assert.equal((dark.match(/aria-pressed="true"/g) ?? []).length, 1);
+    assert.match(light, /value="light"[^>]*checked/);
+    assert.match(dark, /value="dark"[^>]*checked/);
+    assert.match(light, /<legend class="sr-only">Color theme<\/legend>/);
+    assert.equal((light.match(/type="radio"/g) ?? []).length, 3);
+    assert.equal((dark.match(/ checked/g) ?? []).length, 1);
     assert.equal(normalizeAppearance('unexpected'), 'system');
 
     const blade = await readFile('resources/views/app.blade.php', 'utf8');
diff --git a/tests/Fixtures/settings-browser.mjs b/tests/Fixtures/settings-browser.mjs
new file mode 100644
index 0000000..bd581ef
--- /dev/null
+++ b/tests/Fixtures/settings-browser.mjs
@@ -0,0 +1,146 @@
+import assert from 'node:assert/strict';
+import { Buffer } from 'node:buffer';
+import process from 'node:process';
+
+const { chromium } = await import(
+    process.env.PLAYWRIGHT_MODULE ?? 'playwright'
+);
+const browser = await chromium.launch({ channel: 'chrome', headless: true });
+const base = 'http://127.0.0.1:4184';
+const context = await browser.newContext({
+    viewport: { width: 1440, height: 1000 },
+});
+const page = await context.newPage();
+page.setDefaultTimeout(10000);
+const errors = [];
+page.on('pageerror', (error) => {
+    errors.push(error.message);
+    console.error(error.message);
+});
+page.on('dialog', (dialog) => dialog.accept());
+const setResult = (value) =>
+    context.addCookies([{ name: 'settings_test_result', value, url: base }]);
+const state = (value) =>
+    page.locator(`[data-form-state="${value}"]`).waitFor({ state: 'visible' });
+const themeRadio = (value) =>
+    page.locator(`input[name="appearance"][value="${value}"]`);
+const chooseTheme = (value) =>
+    page
+        .locator(`label:has(input[name="appearance"][value="${value}"])`)
+        .click();
+const image = {
+    name: 'profile.png',
+    mimeType: 'image/png',
+    buffer: Buffer.from(
+        'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAusB9Wl2nWQAAAAASUVORK5CYII=',
+        'base64',
+    ),
+};
+
+try {
+    for (const width of [1440, 390, 320]) {
+        await page.setViewportSize({ width, height: 1000 });
+        for (const theme of ['light', 'dark']) {
+            await page.emulateMedia({ colorScheme: theme });
+            await page.goto(`${base}/settings/appearance`);
+            await page
+                .getByRole('heading', { name: 'Settings', exact: true })
+                .waitFor();
+            await chooseTheme(theme);
+            assert.equal(await themeRadio(theme).isChecked(), true);
+            assert.equal(
+                await page
+                    .locator('html')
+                    .evaluate((element) => element.classList.contains('dark')),
+                theme === 'dark',
+            );
+            assert.equal(
+                await page.evaluate(
+                    () =>
+                        document.documentElement.scrollWidth <=
+                        window.innerWidth,
+                ),
+                true,
+                `Appearance overflows at ${width}px in ${theme}`,
+            );
+        }
+    }
+
+    await page.goto(`${base}/settings/appearance`);
+    const light = themeRadio('light');
+    await light.focus();
+    await page.keyboard.press('ArrowRight');
+    assert.equal(await themeRadio('dark').isChecked(), true);
+    await page.reload();
+    assert.equal(await themeRadio('dark').isChecked(), true);
+
+    await page.setViewportSize({ width: 320, height: 900 });
+    await page.goto(`${base}/settings/profile`);
+    const avatarInput = page.locator('#avatar');
+    assert.equal(
+        await avatarInput.getAttribute('accept'),
+        'image/png,image/jpeg,image/webp',
+    );
+    await avatarInput.setInputFiles(image);
+    await page.getByText('Selected: profile.png', { exact: true }).waitFor();
+    assert.match(
+        await page
+            .locator('img[alt="Profile picture preview"]')
+            .getAttribute('src'),
+        /^blob:/,
+    );
+    assert.equal(
+        await page.evaluate(
+            () => document.documentElement.scrollWidth <= window.innerWidth,
+        ),
+        true,
+    );
+
+    await setResult('validation');
+    await page.getByLabel('Name', { exact: true }).fill('Updated User');
+    await page
+        .getByRole('button', { name: 'Save profile', exact: true })
+        .click();
+    await state('validation');
+    await page
+        .getByText('The avatar must be a file of type: jpg, jpeg, png, webp.', {
+            exact: true,
+        })
+        .waitFor();
+    assert.equal(await avatarInput.getAttribute('aria-invalid'), 'true');
+    assert.equal(
+        await page.getByLabel('Name', { exact: true }).inputValue(),
+        'Updated User',
+    );
+    assert.match(
+        await page
+            .locator('img[alt="Profile picture preview"]')
+            .getAttribute('src'),
+        /^blob:/,
+    );
+
+    await page.route('**/settings/profile?*', (route) => route.abort('failed'));
+    await page
+        .getByRole('button', { name: 'Save profile', exact: true })
+        .click();
+    await state('network');
+    await page.unroute('**/settings/profile?*');
+    await setResult('success');
+    await page.getByRole('button', { name: 'Try again' }).click();
+    await state('success');
+
+    await page.goto(`${base}/settings/profile`);
+    await page
+        .getByRole('button', { name: 'Remove picture', exact: true })
+        .click();
+    await page
+        .getByRole('button', { name: 'Remove picture', exact: true })
+        .waitFor({ state: 'detached' });
+
+    assert.deepEqual(errors, []);
+    console.log(
+        'Settings browser checks passed: avatar preview, upload errors and retry, removal, keyboard, 320/390/1440px and both themes.',
+    );
+} finally {
+    await browser.close();
+}
diff --git a/tests/Fixtures/settings-preview.mjs b/tests/Fixtures/settings-preview.mjs
new file mode 100644
index 0000000..bb13033
--- /dev/null
+++ b/tests/Fixtures/settings-preview.mjs
@@ -0,0 +1,17 @@
+import { createApp, h } from 'vue';
+import { createInertiaApp } from '@inertiajs/vue3';
+import '../../resources/css/app.css';
+import Appearance from '../../resources/js/pages/settings/Appearance.vue';
+import Profile from '../../resources/js/pages/settings/Profile.vue';
+import { createAppearance } from '../../resources/js/composables/useAppearance';
+import { createLocalization } from '../../resources/js/lib/localization';
+
+createInertiaApp({
+    resolve: (name) => (name === 'Appearance' ? Appearance : Profile),
+    setup: ({ el, App, props, plugin }) =>
+        createApp({ render: () => h(App, props) })
+            .use(plugin)
+            .use(createLocalization())
+            .use(createAppearance())
+            .mount(el),
+});
diff --git a/tests/Fixtures/settings.mjs b/tests/Fixtures/settings.mjs
new file mode 100644
index 0000000..a8198dc
--- /dev/null
+++ b/tests/Fixtures/settings.mjs
@@ -0,0 +1,207 @@
+import assert from 'node:assert/strict';
+import process from 'node:process';
+import { fileURLToPath } from 'node:url';
+import vue from '@vitejs/plugin-vue';
+import tailwind from '@tailwindcss/vite';
+import { createServer } from 'vite';
+import { createSSRApp, h } from 'vue';
+import { renderToString } from 'vue/server-renderer';
+import { createInertiaApp } from '@inertiajs/vue3';
+
+const serve = process.argv.includes('--serve');
+const server = await createServer({
+    configFile: false,
+    cacheDir: 'node_modules/.vite/settings-fixture',
+    plugins: [vue(), ...(serve ? [tailwind()] : [])],
+    resolve: {
+        alias: {
+            '@': fileURLToPath(new URL('../../resources/js', import.meta.url)),
+        },
+    },
+    server: serve
+        ? { host: '127.0.0.1', port: 4184, strictPort: true, hmr: false }
+        : { middlewareMode: true, hmr: false, watch: null },
+    appType: 'custom',
+});
+
+function makeUser(generated = false) {
+    return {
+        id: 1,
+        name: 'Alex Morgan',
+        email: 'alex@example.test',
+        avatar: generated ? null : '/avatar.png',
+        avatar_color: '#10B981',
+        avatar_is_generated: generated,
+        email_verified_at: null,
+        must_change_password_on_next_login: false,
+        created_at: '2026-09-14T00:00:00Z',
+        updated_at: '2026-09-14T00:00:00Z',
+    };
+}
+
+function makePage(url, errors = {}, generated = false) {
+    return {
+        component: url.startsWith('/settings/appearance')
+            ? 'Appearance'
+            : 'Profile',
+        url,
+        version: null,
+        clearHistory: false,
+        encryptHistory: false,
+        props: {
+            name: 'KanbanGit',
+            errors,
+            sidebarOpen: true,
+            mustVerifyEmail: true,
+            status: null,
+            appearance: 'system',
+            auth: {
+                user: makeUser(generated),
+                permissions: {
+                    globalAdmin: false,
+                    projectCreate: false,
+                    canManageTeams: false,
+                },
+            },
+            navigation: { project: null },
+        },
+    };
+}
+
+if (serve) {
+    server.middlewares.use(async (request, response, next) => {
+        if (!request.url.startsWith('/settings')) {
+            return next();
+        }
+
+        let url = request.url;
+        let errors = {};
+        let generated = false;
+        if (request.method !== 'GET') {
+            const result =
+                request.headers.cookie?.match(
+                    /settings_test_result=(\w+)/,
+                )?.[1] ?? 'success';
+            if (result === 'server') {
+                response.statusCode = 503;
+                response.end('Simulated server failure');
+                return;
+            }
+            if (result === 'validation') {
+                errors = {
+                    avatar: 'The avatar must be a file of type: jpg, jpeg, png, webp.',
+                };
+            }
+            generated = request.url.startsWith('/settings/profile/avatar');
+            url = '/settings/profile';
+        }
+
+        const page = makePage(url, errors, generated);
+        response.setHeader('Vary', 'X-Inertia');
+        if (request.headers['x-inertia']) {
+            response.setHeader('X-Inertia', 'true');
+            response.setHeader('Content-Type', 'application/json');
+            response.end(JSON.stringify(page));
+            return;
+        }
+
+        const escaped = JSON.stringify(page)
+            .replaceAll('&', '&amp;')
+            .replaceAll('"', '&quot;')
+            .replaceAll('<', '&lt;');
+        response.setHeader('Content-Type', 'text/html');
+        response.end(
+            await server.transformIndexHtml(
+                request.url,
+                '<!doctype html><html lang="en" data-appearance="system"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><script>try{const value=localStorage.getItem("appearance");if(["light","dark","system"].includes(value)){document.documentElement.dataset.appearance=value}}catch{}</script></head><body><div id="app" data-page="' +
+                    escaped +
+                    '"></div><script type="module" src="/tests/Fixtures/settings-preview.mjs"></script></body></html>',
+            ),
+        );
+    });
+    await server.listen();
+    console.log(
+        'Settings fixture ready at http://127.0.0.1:4184/settings/profile',
+    );
+} else {
+    try {
+        const { createLocalization } = await server.ssrLoadModule(
+            '/resources/js/lib/localization.ts',
+        );
+        const { createAppearance } = await server.ssrLoadModule(
+            '/resources/js/composables/useAppearance.ts',
+        );
+        const { en } = await server.ssrLoadModule(
+            '/resources/js/locales/en.ts',
+        );
+        const Profile = (
+            await server.ssrLoadModule(
+                '/resources/js/pages/settings/Profile.vue',
+            )
+        ).default;
+        const Appearance = (
+            await server.ssrLoadModule(
+                '/resources/js/pages/settings/Appearance.vue',
+            )
+        ).default;
+        const render = async (
+            url,
+            component,
+            locale = createLocalization(),
+        ) => {
+            const response = await createInertiaApp({
+                page: makePage(url),
+                resolve: () => component,
+                render: renderToString,
+                setup: ({ App, props, plugin }) =>
+                    createSSRApp({ render: () => h(App, props) })
+                        .use(plugin)
+                        .use(locale)
+                        .use(createAppearance('system')),
+            });
+            return response.body;
+        };
+
+        const profile = await render('/settings/profile', Profile);
+        assert.match(profile, /Account settings/);
+        assert.match(profile, /Profile picture/);
+        assert.match(profile, /Choose picture/);
+        assert.match(profile, /accept="image\/png,image\/jpeg,image\/webp"/);
+        assert.match(
+            profile,
+            /On mobile, you can select from your photo library or camera/,
+        );
+        assert.match(profile, /aria-current="page"[^>]*>[\s\S]*Profile/);
+        assert.match(profile, /Delete account/);
+
+        const appearance = await render('/settings/appearance', Appearance);
+        assert.equal((appearance.match(/name="appearance"/g) ?? []).length, 3);
+        assert.match(appearance, /value="light"/);
+        assert.match(appearance, /value="dark"/);
+        assert.match(appearance, /value="system"[^>]*checked/);
+        assert.match(appearance, /Follow the light or dark preference/);
+        assert.match(appearance, /aria-current="page"[^>]*>[\s\S]*Appearance/);
+
+        const localized = await render(
+            '/settings/profile',
+            Profile,
+            createLocalization(
+                { locale: 'de' },
+                {
+                    de: {
+                        ...en,
+                        'settings.eyebrow': 'Kontoeinstellungen',
+                        'profile.title': 'Profil',
+                        'profile.choosePicture': 'Bild auswählen',
+                    },
+                },
+            ),
+        );
+        assert.match(localized, /Kontoeinstellungen/);
+        assert.match(localized, /Profil/);
+        assert.match(localized, /Bild auswählen/);
+        console.log('Settings rendering and localization checks passed.');
+    } finally {
+        await server.close();
+    }
+}