diff --git a/prisma/migrations/20261007180000_granular_product_permissions/migration.sql b/prisma/migrations/20261007180000_granular_product_permissions/migration.sql
new file mode 100644
index 0000000..fe7ff7d
--- /dev/null
+++ b/prisma/migrations/20261007180000_granular_product_permissions/migration.sql
@@ -0,0 +1,21 @@
+-- Split hamkar/khanegi access into sub-sections (manage / settings / ui).
+-- Existing admins keep what they had: hamkar:* also grants hamkar.ui:*,
+-- khanegi:* also grants khanegi.ui:* and khanegi.settings:*.
+
+UPDATE "users" SET "permissions" = "permissions" || '["hamkar.ui:read"]'::jsonb
+WHERE "permissions" @> '["hamkar:read"]'::jsonb AND NOT "permissions" @> '["hamkar.ui:read"]'::jsonb;
+
+UPDATE "users" SET "permissions" = "permissions" || '["hamkar.ui:write"]'::jsonb
+WHERE "permissions" @> '["hamkar:write"]'::jsonb AND NOT "permissions" @> '["hamkar.ui:write"]'::jsonb;
+
+UPDATE "users" SET "permissions" = "permissions" || '["khanegi.ui:read"]'::jsonb
+WHERE "permissions" @> '["khanegi:read"]'::jsonb AND NOT "permissions" @> '["khanegi.ui:read"]'::jsonb;
+
+UPDATE "users" SET "permissions" = "permissions" || '["khanegi.ui:write"]'::jsonb
+WHERE "permissions" @> '["khanegi:write"]'::jsonb AND NOT "permissions" @> '["khanegi.ui:write"]'::jsonb;
+
+UPDATE "users" SET "permissions" = "permissions" || '["khanegi.settings:read"]'::jsonb
+WHERE "permissions" @> '["khanegi:read"]'::jsonb AND NOT "permissions" @> '["khanegi.settings:read"]'::jsonb;
+
+UPDATE "users" SET "permissions" = "permissions" || '["khanegi.settings:write"]'::jsonb
+WHERE "permissions" @> '["khanegi:write"]'::jsonb AND NOT "permissions" @> '["khanegi.settings:write"]'::jsonb;
diff --git a/src/auth/permissions.ts b/src/auth/permissions.ts
index c24265c..2006e9b 100644
--- a/src/auth/permissions.ts
+++ b/src/auth/permissions.ts
@@ -10,8 +10,14 @@ export const PERMISSIONS = [
   'support:write',
   'hamkar:read',
   'hamkar:write',
+  'hamkar.ui:read',
+  'hamkar.ui:write',
   'khanegi:read',
   'khanegi:write',
+  'khanegi.settings:read',
+  'khanegi.settings:write',
+  'khanegi.ui:read',
+  'khanegi.ui:write',
   'others:read',
   'others:write',
   'admins:read',
@@ -36,8 +42,16 @@ export const PERMISSION_MODULES: PermissionModule[] = [
   { key: 'servers', label: 'سرور', read: 'servers:read', write: 'servers:write' },
   { key: 'plugins', label: 'افزونه', read: 'plugins:read', write: 'plugins:write' },
   { key: 'support', label: 'پشتیبانی', read: 'support:read', write: 'support:write' },
-  { key: 'hamkar', label: 'همکار', read: 'hamkar:read', write: 'hamkar:write' },
-  { key: 'khanegi', label: 'خانگی', read: 'khanegi:read', write: 'khanegi:write' },
+  { key: 'hamkar', label: 'همکار — مدیریت', read: 'hamkar:read', write: 'hamkar:write' },
+  { key: 'hamkar.ui', label: 'همکار — ظاهر', read: 'hamkar.ui:read', write: 'hamkar.ui:write' },
+  { key: 'khanegi', label: 'خانگی — مدیریت', read: 'khanegi:read', write: 'khanegi:write' },
+  {
+    key: 'khanegi.settings',
+    label: 'خانگی — تنظیمات',
+    read: 'khanegi.settings:read',
+    write: 'khanegi.settings:write',
+  },
+  { key: 'khanegi.ui', label: 'خانگی — ظاهر', read: 'khanegi.ui:read', write: 'khanegi.ui:write' },
   { key: 'others', label: 'سایت‌های دیگر', read: 'others:read', write: 'others:write' },
   { key: 'admins', label: 'مدیران', read: 'admins:read', write: 'admins:write' },
   { key: 'audit', label: 'لاگ', read: 'audit:read' },
@@ -107,3 +121,31 @@ export function productWritePermission(product: string): PermissionCode {
   if (product === 'other') return 'others:write';
   return 'khanegi:write';
 }
+
+export function productUiReadPermission(product: string): PermissionCode | null {
+  if (product === 'hamkar') return 'hamkar.ui:read';
+  if (product === 'khanegi') return 'khanegi.ui:read';
+  return null;
+}
+
+export function productUiWritePermission(product: string): PermissionCode | null {
+  if (product === 'hamkar') return 'hamkar.ui:write';
+  if (product === 'khanegi') return 'khanegi.ui:write';
+  return null;
+}
+
+/** Any read access to a product section (list / manage / ui / settings). */
+export function productAnyReadPermissions(product: string): PermissionCode[] {
+  if (product === 'hamkar') return ['hamkar:read', 'hamkar.ui:read'];
+  if (product === 'other') return ['others:read'];
+  return ['khanegi:read', 'khanegi.ui:read', 'khanegi.settings:read'];
+}
+
+export const ANY_TENANT_READ: PermissionCode[] = [
+  'hamkar:read',
+  'hamkar.ui:read',
+  'khanegi:read',
+  'khanegi.ui:read',
+  'khanegi.settings:read',
+  'others:read',
+];
diff --git a/src/program-settings/program-settings.controller.ts b/src/program-settings/program-settings.controller.ts
index 5021282..f4d08bf 100644
--- a/src/program-settings/program-settings.controller.ts
+++ b/src/program-settings/program-settings.controller.ts
@@ -13,13 +13,13 @@ export class ProgramSettingsController {
   constructor(private readonly programSettings: ProgramSettingsService) {}
 
   @Get()
-  @RequirePermissions('khanegi:read')
+  @RequirePermissions('khanegi.settings:read')
   get(@Param('tenantId') tenantId: string) {
     return this.programSettings.get(tenantId);
   }
 
   @Patch()
-  @RequirePermissions('khanegi:write')
+  @RequirePermissions('khanegi.settings:write')
   update(
     @Param('tenantId') tenantId: string,
     @Body() body: UpdateProgramSettingsDto,
@@ -29,7 +29,7 @@ export class ProgramSettingsController {
   }
 
   @Post('import')
-  @RequirePermissions('khanegi:write')
+  @RequirePermissions('khanegi.settings:write')
   import(
     @Param('tenantId') tenantId: string,
     @Body() body: ImportProgramSettingsDto,
@@ -52,7 +52,7 @@ export class ProgramSettingsController {
    * در سوپرادمین می‌مانند؛ بقیه از جدول settings همین tenant حذف می‌شوند.
    */
   @Post('purge-non-owned')
-  @RequirePermissions('khanegi:write')
+  @RequirePermissions('khanegi.settings:write')
   purgeNonOwned(@Param('tenantId') tenantId: string, @CurrentUser() user: { id: string }) {
     return this.programSettings.purgeNonOwnedFromTenant(tenantId, user.id);
   }
diff --git a/src/program-settings/setting-templates.controller.ts b/src/program-settings/setting-templates.controller.ts
index 1911af8..e27927c 100644
--- a/src/program-settings/setting-templates.controller.ts
+++ b/src/program-settings/setting-templates.controller.ts
@@ -12,19 +12,19 @@ export class SettingTemplatesController {
   constructor(private readonly programSettings: ProgramSettingsService) {}
 
   @Get()
-  @RequirePermissions('khanegi:read')
+  @RequirePermissions('khanegi.settings:read')
   list() {
     return this.programSettings.listTemplates();
   }
 
   @Post('keys')
-  @RequirePermissions('khanegi:write')
+  @RequirePermissions('khanegi.settings:write')
   addKeys(@Body() body: AddSettingKeysDto, @CurrentUser() user: { id: string }) {
     return this.programSettings.addKeys(body.items || [], user.id);
   }
 
   @Delete('keys')
-  @RequirePermissions('khanegi:write')
+  @RequirePermissions('khanegi.settings:write')
   removeKey(
     @Query('key') keyQuery: string | undefined,
     @Body() body: DeleteSettingKeyDto | undefined,
@@ -35,7 +35,7 @@ export class SettingTemplatesController {
   }
 
   @Post('seed')
-  @RequirePermissions('khanegi:write')
+  @RequirePermissions('khanegi.settings:write')
   async seed() {
     const seeded = await this.programSettings.ensureTemplatesSeeded();
     const purged = await this.programSettings.purgeEditableFromSuperAdmin();
@@ -43,7 +43,7 @@ export class SettingTemplatesController {
   }
 
   @Post('purge-editable')
-  @RequirePermissions('khanegi:write')
+  @RequirePermissions('khanegi.settings:write')
   purgeEditable() {
     return this.programSettings.purgeEditableFromSuperAdmin();
   }
diff --git a/src/tenants/tenants.controller.ts b/src/tenants/tenants.controller.ts
index 59320d7..ee68027 100644
--- a/src/tenants/tenants.controller.ts
+++ b/src/tenants/tenants.controller.ts
@@ -23,8 +23,12 @@ import { PermissionsGuard } from '../auth/permissions.guard';
 import { RequirePermissions } from '../auth/permissions.decorator';
 import { CurrentUser } from '../auth/current-user.decorator';
 import {
+  ANY_TENANT_READ,
+  productAnyReadPermissions,
   productReadPermission,
+  productUiWritePermission,
   productWritePermission,
+  userHasAnyPermission,
   userHasPermission,
 } from '../auth/permissions';
 import {
@@ -38,6 +42,15 @@ import { TenantsService } from './tenants.service';
 
 const IMAGE_MIME = /^image\/(jpeg|png|gif|webp|svg\+xml)$/i;
 
+/** Fields edited from the appearance pages; guarded by `<product>.ui:write`. */
+const APPEARANCE_FIELDS = [
+  'appUiConfig',
+  'uiVariant',
+  'primaryColor',
+  'secondaryColor',
+  'backgroundColor',
+] as const;
+
 type AuthUser = { id: string; role?: string; permissions?: unknown };
 
 @Controller('tenants')
@@ -49,18 +62,18 @@ export class TenantsController {
   ) {}
 
   @Get()
-  @RequirePermissions('hamkar:read', 'khanegi:read', 'others:read', { mode: 'any' })
+  @RequirePermissions(...ANY_TENANT_READ, { mode: 'any' })
   async findAll(
     @Query('product') product?: ProductType,
     @CurrentUser() user?: AuthUser,
   ) {
     if (product) {
-      this.assertProductAccess(user, product, 'read');
+      this.assertAnyProductRead(user, product);
       return this.tenantsService.findAll(product);
     }
     const rows = await this.tenantsService.findAll();
     return rows.filter((row) =>
-      userHasPermission(user || {}, productReadPermission(row.product)),
+      userHasAnyPermission(user || {}, productAnyReadPermissions(row.product)),
     );
   }
 
@@ -103,10 +116,10 @@ export class TenantsController {
   }
 
   @Get(':id')
-  @RequirePermissions('hamkar:read', 'khanegi:read', 'others:read', { mode: 'any' })
+  @RequirePermissions(...ANY_TENANT_READ, { mode: 'any' })
   async findOne(@Param('id') id: string, @CurrentUser() user: AuthUser) {
     const tenant = await this.tenantsService.findOne(id);
-    this.assertProductAccess(user, tenant.product, 'read');
+    this.assertAnyProductRead(user, tenant.product);
     return tenant;
   }
 
@@ -118,14 +131,48 @@ export class TenantsController {
   }
 
   @Patch(':id')
-  @RequirePermissions('hamkar:write', 'khanegi:write', 'others:write', { mode: 'any' })
+  @RequirePermissions(
+    'hamkar:write',
+    'hamkar.ui:write',
+    'khanegi:write',
+    'khanegi.ui:write',
+    'others:write',
+    { mode: 'any' },
+  )
   async update(
     @Param('id') id: string,
     @Body() dto: UpdateTenantDto,
     @CurrentUser() user: AuthUser,
   ) {
     const tenant = await this.tenantsService.findOne(id);
-    this.assertProductAccess(user, tenant.product, 'write');
+    const before = tenant as unknown as Record<string, unknown>;
+    const body = dto as Record<string, unknown>;
+
+    const appearanceChanged = APPEARANCE_FIELDS.some((key) => {
+      if (body[key] === undefined) return false;
+      return JSON.stringify(body[key]) !== JSON.stringify(before[key] ?? null);
+    });
+    const touchesIdentity = Object.keys(body).some(
+      (key) =>
+        body[key] !== undefined &&
+        !(APPEARANCE_FIELDS as readonly string[]).includes(key),
+    );
+
+    if (touchesIdentity) {
+      this.assertProductAccess(user, tenant.product, 'write');
+    }
+    if (appearanceChanged) {
+      const uiCode = productUiWritePermission(tenant.product);
+      const allowed = uiCode
+        ? userHasPermission(user || {}, uiCode)
+        : userHasPermission(user || {}, productWritePermission(tenant.product));
+      if (!allowed) {
+        throw new ForbiddenException('شما به ظاهر این محصول دسترسی ندارید');
+      }
+    }
+    if (!touchesIdentity && !appearanceChanged) {
+      this.assertAnyProductRead(user, tenant.product);
+    }
     return this.tenantsService.update(id, dto, user.id);
   }
 
@@ -150,4 +197,10 @@ export class TenantsController {
       throw new ForbiddenException('شما به این محصول دسترسی ندارید');
     }
   }
+
+  private assertAnyProductRead(user: AuthUser | undefined, product: string) {
+    if (!userHasAnyPermission(user || {}, productAnyReadPermissions(product))) {
+      throw new ForbiddenException('شما به این محصول دسترسی ندارید');
+    }
+  }
 }