diff --git a/src/api/businesses.ts b/src/api/businesses.ts
index 7b434b7..7824fd8 100644
--- a/src/api/businesses.ts
+++ b/src/api/businesses.ts
@@ -61,3 +61,23 @@ export function deleteBusinessImage(businessId: string, imageId: string) {
     method: 'DELETE',
   });
 }
+
+export function uploadBusinessLogoLight(businessId: string, file: File) {
+  const form = new FormData();
+  form.append('file', file);
+  return apiFormData<Business>(`/businesses/${businessId}/logo-light`, form);
+}
+
+export function uploadBusinessLogoDark(businessId: string, file: File) {
+  const form = new FormData();
+  form.append('file', file);
+  return apiFormData<Business>(`/businesses/${businessId}/logo-dark`, form);
+}
+
+export function removeBusinessLogoLight(businessId: string) {
+  return api<Business>(`/businesses/${businessId}/logo-light`, { method: 'DELETE' });
+}
+
+export function removeBusinessLogoDark(businessId: string) {
+  return api<Business>(`/businesses/${businessId}/logo-dark`, { method: 'DELETE' });
+}
diff --git a/src/api/platform-settings.ts b/src/api/platform-settings.ts
index 3b6c905..c57bdb1 100644
--- a/src/api/platform-settings.ts
+++ b/src/api/platform-settings.ts
@@ -1,21 +1,43 @@
-import { api, apiFormData } from './client';
-
-export type PlatformSettings = {
-  loginHeroImageUrl: string | null;
-};
-
-export function fetchPlatformSettings() {
-  return api<PlatformSettings>('/platform-settings');
-}
-
-export function uploadLoginHeroImage(file: File) {
-  const form = new FormData();
-  form.append('file', file);
-  return apiFormData<PlatformSettings>('/platform-settings/login-hero-image', form);
-}
-
-export function removeLoginHeroImage() {
-  return api<PlatformSettings>('/platform-settings/login-hero-image', {
-    method: 'DELETE',
-  });
-}
+import { api, apiFormData } from './client';

+

+export type PlatformSettings = {

+  loginHeroImageUrl: string | null;

+  logoLightUrl: string | null;

+  logoDarkUrl: string | null;

+};

+

+export function fetchPlatformSettings() {

+  return api<PlatformSettings>('/platform-settings');

+}

+

+export function uploadLoginHeroImage(file: File) {

+  const form = new FormData();

+  form.append('file', file);

+  return apiFormData<PlatformSettings>('/platform-settings/login-hero-image', form);

+}

+

+export function removeLoginHeroImage() {

+  return api<PlatformSettings>('/platform-settings/login-hero-image', {

+    method: 'DELETE',

+  });

+}

+

+export function uploadPlatformLogoLight(file: File) {

+  const form = new FormData();

+  form.append('file', file);

+  return apiFormData<PlatformSettings>('/platform-settings/logo-light', form);

+}

+

+export function uploadPlatformLogoDark(file: File) {

+  const form = new FormData();

+  form.append('file', file);

+  return apiFormData<PlatformSettings>('/platform-settings/logo-dark', form);

+}

+

+export function removePlatformLogoLight() {

+  return api<PlatformSettings>('/platform-settings/logo-light', { method: 'DELETE' });

+}

+

+export function removePlatformLogoDark() {

+  return api<PlatformSettings>('/platform-settings/logo-dark', { method: 'DELETE' });

+}

diff --git a/src/api/types.ts b/src/api/types.ts
index 01ed1ea..88d84b0 100644
--- a/src/api/types.ts
+++ b/src/api/types.ts
@@ -73,6 +73,8 @@ export type Business = {
   ownerId?: string | null;
   category?: BusinessCategory;
   images?: BusinessImage[];
+  logoLightUrl?: string | null;
+  logoDarkUrl?: string | null;
   concurrentCapacity?: number;
   slotStepMinutes?: number;
   serviceClassesEnabled?: boolean;
diff --git a/src/components/brand/AppLogo.vue b/src/components/brand/AppLogo.vue
index e577274..e0005d0 100644
--- a/src/components/brand/AppLogo.vue
+++ b/src/components/brand/AppLogo.vue
@@ -1,19 +1,19 @@
 <template>
   <img
     v-if="variant === 'mark'"
-    src="/icons/icon-192.png"
-    alt="منتایم"
+    :src="markSrc"
+    :alt="alt"
     :class="imgClass"
   />
   <template v-else>
     <img
-      src="/brand/logo-lite.png"
-      alt="منتایم"
+      :src="lightSrc"
+      :alt="alt"
       :class="['dark:hidden', imgClass]"
     />
     <img
-      src="/brand/logo-dark.png"
-      alt="منتایم"
+      :src="darkSrc"
+      :alt="alt"
       :class="['hidden dark:block', imgClass]"
     />
   </template>
@@ -21,16 +21,22 @@
 
 <script setup lang="ts">
 import { computed } from 'vue';
-
-export type LogoVariant = 'auto' | 'mark' | 'horizontal' | 'vertical';
+import { useAppLogoProps, type LogoVariant } from '@/components/brand/useAppLogo';
 
 const props = withDefaults(
   defineProps<{
     variant?: LogoVariant;
     class?: string;
+    alt?: string;
+    lightSrc?: string;
+    darkSrc?: string;
   }>(),
-  { variant: 'auto' },
+  {
+    variant: 'auto',
+    alt: 'منتایم',
+  },
 );
 
 const imgClass = computed(() => props.class ?? 'h-8 w-auto object-contain');
+const { lightSrc, darkSrc, markSrc } = useAppLogoProps(props);
 </script>
diff --git a/src/components/brand/useAppLogo.ts b/src/components/brand/useAppLogo.ts
new file mode 100644
index 0000000..c9ea201
--- /dev/null
+++ b/src/components/brand/useAppLogo.ts
@@ -0,0 +1,32 @@
+import { computed, onMounted } from 'vue';
+import { resolveLogoPair } from '@/utils/media';
+import { usePlatformSettingsStore } from '@/stores/platform-settings';
+
+export type LogoVariant = 'auto' | 'mark' | 'horizontal' | 'vertical';
+
+export function useAppLogoProps(
+  props: {
+    variant?: LogoVariant;
+    lightSrc?: string;
+    darkSrc?: string;
+  },
+) {
+  const platform = usePlatformSettingsStore();
+
+  onMounted(() => {
+    void platform.load();
+  });
+
+  const resolved = computed(() => {
+    if (props.lightSrc || props.darkSrc) {
+      return resolveLogoPair(props.lightSrc, props.darkSrc);
+    }
+    return platform.logoSources;
+  });
+
+  return {
+    lightSrc: computed(() => resolved.value.light),
+    darkSrc: computed(() => resolved.value.dark),
+    markSrc: computed(() => '/icons/icon-192.png'),
+  };
+}
diff --git a/src/components/shared/LogoUploadField.vue b/src/components/shared/LogoUploadField.vue
new file mode 100644
index 0000000..1e8622d
--- /dev/null
+++ b/src/components/shared/LogoUploadField.vue
@@ -0,0 +1,62 @@
+<template>
+  <div class="rounded-xl border border-border bg-surface-2 p-3">
+    <p class="mb-2 text-xs font-medium text-muted">{{ label }}</p>
+
+    <div
+      class="flex aspect-[3/1] items-center justify-center overflow-hidden rounded-lg border border-border px-4 py-3"
+      :class="darkPreview ? 'bg-slate-900' : 'bg-white'"
+    >
+      <img :src="previewSrc" alt="" class="max-h-12 w-auto max-w-full object-contain" />
+    </div>
+
+    <div class="mt-3 flex flex-wrap gap-2">
+      <label
+        class="inline-flex cursor-pointer items-center gap-2 rounded-lg bg-brand-600 px-3 py-2 text-xs font-semibold text-white transition hover:bg-brand-700"
+      >
+        <span>{{ uploading ? 'در حال آپلود...' : 'آپلود' }}</span>
+        <input
+          type="file"
+          accept="image/jpeg,image/png,image/webp,image/gif"
+          class="hidden"
+          :disabled="uploading || removing"
+          @change="onPick"
+        />
+      </label>
+
+      <button
+        v-if="hasCustom"
+        type="button"
+        class="rounded-lg border border-border px-3 py-2 text-xs text-muted transition hover:border-red-500/40 hover:text-red-600 disabled:opacity-50"
+        :disabled="uploading || removing"
+        @click="emit('remove')"
+      >
+        {{ removing ? 'در حال حذف...' : 'حذف' }}
+      </button>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+defineProps<{
+  label: string;
+  previewSrc: string;
+  uploading?: boolean;
+  removing?: boolean;
+  hasCustom?: boolean;
+  darkPreview?: boolean;
+}>();
+
+const emit = defineEmits<{
+  pick: [file: File];
+  remove: [];
+}>();
+
+function onPick(event: Event) {
+  const input = event.target as HTMLInputElement;
+  const file = input.files?.[0];
+  input.value = '';
+  if (file) {
+    emit('pick', file);
+  }
+}
+</script>
diff --git a/src/components/shared/LogoUploadPair.vue b/src/components/shared/LogoUploadPair.vue
new file mode 100644
index 0000000..a1abce1
--- /dev/null
+++ b/src/components/shared/LogoUploadPair.vue
@@ -0,0 +1,68 @@
+<template>
+  <div class="space-y-3">
+    <div>
+      <label class="block text-sm font-medium text-text">لوگوی کسب‌وکار</label>
+      <p class="mt-1 text-xs text-muted">
+        اختیاری — JPG، PNG یا WebP تا ۵ مگابایت. اگر فقط یکی را بارگذاری کنید، در هر دو حالت روشن و تاریک نمایش داده می‌شود.
+      </p>
+    </div>
+
+    <div class="grid gap-4 sm:grid-cols-2">
+      <LogoUploadField
+        label="حالت روشن"
+        :preview-src="lightPreview"
+        :uploading="uploadingLight"
+        :removing="removingLight"
+        :has-custom="!!lightUrl"
+        @pick="(file) => emit('upload-light', file)"
+        @remove="emit('remove-light')"
+      />
+      <LogoUploadField
+        label="حالت تاریک"
+        :preview-src="darkPreview"
+        :uploading="uploadingDark"
+        :removing="removingDark"
+        :has-custom="!!darkUrl"
+        dark-preview
+        @pick="(file) => emit('upload-dark', file)"
+        @remove="emit('remove-dark')"
+      />
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue';
+import LogoUploadField from '@/components/shared/LogoUploadField.vue';
+import { resolveLogoPair } from '@/utils/media';
+
+const props = defineProps<{
+  lightUrl?: string | null;
+  darkUrl?: string | null;
+  fallbackLight?: string;
+  fallbackDark?: string;
+  uploadingLight?: boolean;
+  uploadingDark?: boolean;
+  removingLight?: boolean;
+  removingDark?: boolean;
+}>();
+
+const emit = defineEmits<{
+  'upload-light': [file: File];
+  'upload-dark': [file: File];
+  'remove-light': [];
+  'remove-dark': [];
+}>();
+
+const resolved = computed(() =>
+  resolveLogoPair(
+    props.lightUrl,
+    props.darkUrl,
+    props.fallbackLight,
+    props.fallbackDark,
+  ),
+);
+
+const lightPreview = computed(() => resolved.value.light);
+const darkPreview = computed(() => resolved.value.dark);
+</script>
diff --git a/src/stores/platform-settings.ts b/src/stores/platform-settings.ts
new file mode 100644
index 0000000..cfecce7
--- /dev/null
+++ b/src/stores/platform-settings.ts
@@ -0,0 +1,53 @@
+import { defineStore } from 'pinia';
+import { computed, ref } from 'vue';
+import { fetchPlatformSettings } from '@/api/platform-settings';
+import {
+  DEFAULT_LOGO_DARK,
+  DEFAULT_LOGO_LIGHT,
+  resolveLogoPair,
+} from '@/utils/media';
+
+export const usePlatformSettingsStore = defineStore('platformSettings', () => {
+  const loginHeroImageUrl = ref<string | null>(null);
+  const logoLightUrl = ref<string | null>(null);
+  const logoDarkUrl = ref<string | null>(null);
+  const loaded = ref(false);
+  const loading = ref(false);
+
+  const logoSources = computed(() =>
+    resolveLogoPair(logoLightUrl.value, logoDarkUrl.value),
+  );
+
+  async function load(force = false) {
+    if (loaded.value && !force) return;
+    if (loading.value) return;
+
+    loading.value = true;
+    try {
+      const data = await fetchPlatformSettings();
+      loginHeroImageUrl.value = data.loginHeroImageUrl;
+      logoLightUrl.value = data.logoLightUrl;
+      logoDarkUrl.value = data.logoDarkUrl;
+      loaded.value = true;
+    } catch {
+      loginHeroImageUrl.value = null;
+      logoLightUrl.value = null;
+      logoDarkUrl.value = null;
+      loaded.value = true;
+    } finally {
+      loading.value = false;
+    }
+  }
+
+  return {
+    loginHeroImageUrl,
+    logoLightUrl,
+    logoDarkUrl,
+    defaultLogoLight: DEFAULT_LOGO_LIGHT,
+    defaultLogoDark: DEFAULT_LOGO_DARK,
+    logoSources,
+    loaded,
+    loading,
+    load,
+  };
+});
diff --git a/src/utils/media.ts b/src/utils/media.ts
index 5f2a7e2..da724bf 100644
--- a/src/utils/media.ts
+++ b/src/utils/media.ts
@@ -19,3 +19,32 @@ export function businessCoverUrl(
   const cover = images.find((i) => i.isCover) ?? images[0];
   return uploadUrl(cover?.url) || null;
 }
+
+export const DEFAULT_LOGO_LIGHT = '/brand/logo-lite.png';
+export const DEFAULT_LOGO_DARK = '/brand/logo-dark.png';
+
+export type LogoSourcePair = {
+  light: string;
+  dark: string;
+};
+
+export function resolveLogoPair(
+  lightUrl: string | null | undefined,
+  darkUrl: string | null | undefined,
+  fallbackLight = DEFAULT_LOGO_LIGHT,
+  fallbackDark = DEFAULT_LOGO_DARK,
+): LogoSourcePair {
+  const light = uploadUrl(lightUrl);
+  const dark = uploadUrl(darkUrl);
+
+  if (light && dark) {
+    return { light, dark };
+  }
+  if (light && !dark) {
+    return { light, dark: light };
+  }
+  if (!light && dark) {
+    return { light: dark, dark };
+  }
+  return { light: fallbackLight, dark: fallbackDark };
+}
diff --git a/src/views/BusinessesView.vue b/src/views/BusinessesView.vue
index 5c61981..3d6ff7d 100644
--- a/src/views/BusinessesView.vue
+++ b/src/views/BusinessesView.vue
@@ -131,6 +131,20 @@
           @remove-existing="onRemoveImage"
         />
 
+        <LogoUploadPair
+          v-if="editingId && detailBusiness"
+          :light-url="detailBusiness.logoLightUrl"
+          :dark-url="detailBusiness.logoDarkUrl"
+          :uploading-light="uploadingLogoLight"
+          :uploading-dark="uploadingLogoDark"
+          :removing-light="removingLogoLight"
+          :removing-dark="removingLogoDark"
+          @upload-light="onUploadLogoLight"
+          @upload-dark="onUploadLogoDark"
+          @remove-light="onRemoveLogoLight"
+          @remove-dark="onRemoveLogoDark"
+        />
+
         <BusinessServicesSection
           v-if="editingId && form.categoryId"
           :business-id="editingId"
@@ -221,13 +235,18 @@ import {
   deleteBusinessImage,
   fetchBusiness,
   fetchBusinesses,
+  removeBusinessLogoDark,
+  removeBusinessLogoLight,
   updateBusiness,
   uploadBusinessImages,
+  uploadBusinessLogoDark,
+  uploadBusinessLogoLight,
 } from '@/api/businesses';
 import { fetchUser, fetchUsers } from '@/api/users';
 import type { Business, BusinessCategory, User } from '@/api/types';
 import { ApiError } from '@/api/client';
 import BusinessImageUpload from '@/components/admin/BusinessImageUpload.vue';
+import LogoUploadPair from '@/components/shared/LogoUploadPair.vue';
 import BusinessListCard from '@/components/admin/BusinessListCard.vue';
 import BusinessServicesSection from '@/components/admin/BusinessServicesSection.vue';
 import AppBadge from '@/components/ui/AppBadge.vue';
@@ -265,6 +284,10 @@ const isEditMode = ref(false);
 const detailBusiness = ref<Business | null>(null);
 const imageUploadRef = ref<InstanceType<typeof BusinessImageUpload> | null>(null);
 const deletingImageId = ref<string | null>(null);
+const uploadingLogoLight = ref(false);
+const uploadingLogoDark = ref(false);
+const removingLogoLight = ref(false);
+const removingLogoDark = ref(false);
 
 const assignOpen = ref(false);
 const assignTarget = ref<Business | null>(null);
@@ -460,6 +483,68 @@ async function onRemoveImage(imageId: string) {
   }
 }
 
+async function refreshDetailBusiness() {
+  if (!editingId.value) return;
+  detailBusiness.value = await fetchBusiness(editingId.value);
+  await load();
+}
+
+async function onUploadLogoLight(file: File) {
+  if (!editingId.value) return;
+  uploadingLogoLight.value = true;
+  error.value = '';
+  try {
+    await uploadBusinessLogoLight(editingId.value, file);
+    await refreshDetailBusiness();
+  } catch (e) {
+    error.value = e instanceof ApiError ? e.message : 'آپلود لوگو ناموفق بود';
+  } finally {
+    uploadingLogoLight.value = false;
+  }
+}
+
+async function onUploadLogoDark(file: File) {
+  if (!editingId.value) return;
+  uploadingLogoDark.value = true;
+  error.value = '';
+  try {
+    await uploadBusinessLogoDark(editingId.value, file);
+    await refreshDetailBusiness();
+  } catch (e) {
+    error.value = e instanceof ApiError ? e.message : 'آپلود لوگو ناموفق بود';
+  } finally {
+    uploadingLogoDark.value = false;
+  }
+}
+
+async function onRemoveLogoLight() {
+  if (!editingId.value) return;
+  removingLogoLight.value = true;
+  error.value = '';
+  try {
+    await removeBusinessLogoLight(editingId.value);
+    await refreshDetailBusiness();
+  } catch (e) {
+    error.value = e instanceof ApiError ? e.message : 'حذف لوگو ناموفق بود';
+  } finally {
+    removingLogoLight.value = false;
+  }
+}
+
+async function onRemoveLogoDark() {
+  if (!editingId.value) return;
+  removingLogoDark.value = true;
+  error.value = '';
+  try {
+    await removeBusinessLogoDark(editingId.value);
+    await refreshDetailBusiness();
+  } catch (e) {
+    error.value = e instanceof ApiError ? e.message : 'حذف لوگو ناموفق بود';
+  } finally {
+    removingLogoDark.value = false;
+  }
+}
+
 function onTitleBlur() {
   if (!isEditMode.value && !editingId.value) {
     form.value.slug = slugify(form.value.title);
diff --git a/src/views/PlatformSettingsView.vue b/src/views/PlatformSettingsView.vue
index bec6452..ce52639 100644
--- a/src/views/PlatformSettingsView.vue
+++ b/src/views/PlatformSettingsView.vue
@@ -3,7 +3,7 @@
     <section class="space-y-2">
       <h1 class="text-xl font-bold text-text">تنظیمات پلتفرم</h1>
       <p class="text-sm text-muted">
-        تصویر پس‌زمینه صفحه ورود دسکتاپ را از اینجا مدیریت کنید.
+        لوگوی اصلی پلتفرم و تصویر صفحه ورود دسکتاپ را از اینجا مدیریت کنید.
       </p>
     </section>
 
@@ -21,6 +21,29 @@
       {{ success }}
     </p>
 
+    <section class="mt-6 rounded-2xl border border-border bg-surface-2 p-4 lg:p-6">
+      <h2 class="text-base font-semibold text-text">لوگوی اصلی منتایم</h2>
+      <p class="mt-1 text-xs text-muted">
+        در صفحه اصلی و جاهایی که لوگوی کسب‌وکار تنظیم نشده نمایش داده می‌شود.
+      </p>
+
+      <div v-if="loading" class="mt-4 text-sm text-muted">در حال بارگذاری...</div>
+      <LogoUploadPair
+        v-else
+        class="mt-4"
+        :light-url="settings?.logoLightUrl"
+        :dark-url="settings?.logoDarkUrl"
+        :uploading-light="uploadingLogoLight"
+        :uploading-dark="uploadingLogoDark"
+        :removing-light="removingLogoLight"
+        :removing-dark="removingLogoDark"
+        @upload-light="onUploadLogoLight"
+        @upload-dark="onUploadLogoDark"
+        @remove-light="onRemoveLogoLight"
+        @remove-dark="onRemoveLogoDark"
+      />
+    </section>
+
     <section class="mt-6 rounded-2xl border border-border bg-surface-2 p-4 lg:p-6">
       <h2 class="text-base font-semibold text-text">تصویر صفحه ورود (دسکتاپ)</h2>
       <p class="mt-1 text-xs text-muted">
@@ -85,21 +108,33 @@ import { computed, onMounted, ref } from 'vue';
 import {
   fetchPlatformSettings,
   removeLoginHeroImage,
+  removePlatformLogoDark,
+  removePlatformLogoLight,
   uploadLoginHeroImage,
+  uploadPlatformLogoDark,
+  uploadPlatformLogoLight,
   type PlatformSettings,
 } from '@/api/platform-settings';
 import { ApiError } from '@/api/client';
 import AppButton from '@/components/ui/AppButton.vue';
 import AppIcon from '@/components/ui/AppIcon.vue';
+import LogoUploadPair from '@/components/shared/LogoUploadPair.vue';
 import AdminLayout from '@/layouts/AdminLayout.vue';
+import { usePlatformSettingsStore } from '@/stores/platform-settings';
 import { uploadUrl } from '@/utils/media';
 
+const platformStore = usePlatformSettingsStore();
+
 const DEFAULT_PREVIEW = '/landing/hero-car-wash.jpg';
 
 const settings = ref<PlatformSettings | null>(null);
 const loading = ref(true);
 const uploading = ref(false);
 const removing = ref(false);
+const uploadingLogoLight = ref(false);
+const uploadingLogoDark = ref(false);
+const removingLogoLight = ref(false);
+const removingLogoDark = ref(false);
 const error = ref('');
 const success = ref('');
 
@@ -157,6 +192,66 @@ async function onRemove() {
   }
 }
 
+async function onUploadLogoLight(file: File) {
+  uploadingLogoLight.value = true;
+  error.value = '';
+  success.value = '';
+  try {
+    settings.value = await uploadPlatformLogoLight(file);
+    await platformStore.load(true);
+    success.value = 'لوگوی حالت روشن به‌روزرسانی شد.';
+  } catch (e) {
+    error.value = e instanceof ApiError ? e.message : 'آپلود لوگو ناموفق بود.';
+  } finally {
+    uploadingLogoLight.value = false;
+  }
+}
+
+async function onUploadLogoDark(file: File) {
+  uploadingLogoDark.value = true;
+  error.value = '';
+  success.value = '';
+  try {
+    settings.value = await uploadPlatformLogoDark(file);
+    await platformStore.load(true);
+    success.value = 'لوگوی حالت تاریک به‌روزرسانی شد.';
+  } catch (e) {
+    error.value = e instanceof ApiError ? e.message : 'آپلود لوگو ناموفق بود.';
+  } finally {
+    uploadingLogoDark.value = false;
+  }
+}
+
+async function onRemoveLogoLight() {
+  removingLogoLight.value = true;
+  error.value = '';
+  success.value = '';
+  try {
+    settings.value = await removePlatformLogoLight();
+    await platformStore.load(true);
+    success.value = 'لوگوی حالت روشن حذف شد.';
+  } catch (e) {
+    error.value = e instanceof ApiError ? e.message : 'حذف لوگو ناموفق بود.';
+  } finally {
+    removingLogoLight.value = false;
+  }
+}
+
+async function onRemoveLogoDark() {
+  removingLogoDark.value = true;
+  error.value = '';
+  success.value = '';
+  try {
+    settings.value = await removePlatformLogoDark();
+    await platformStore.load(true);
+    success.value = 'لوگوی حالت تاریک حذف شد.';
+  } catch (e) {
+    error.value = e instanceof ApiError ? e.message : 'حذف لوگو ناموفق بود.';
+  } finally {
+    removingLogoDark.value = false;
+  }
+}
+
 onMounted(() => {
   void load();
 });