From 89e3bebfa57ffc07986022c6426f97802c816fd8 Mon Sep 17 00:00:00 2001
From: XnpioChV <xnpiochv@gmail.com>
Date: Thu, 21 May 2026 14:05:34 -0500
Subject: [PATCH 1/8] refactor: Remove legacy css's and inject paragon themes

- Commented main-v1 and course styles in common.py
- Added `MFE_CONFIG_API_URL`
- Extrated and created `get_mfe_config` from the MFE config Api view
- `_get_paragon_css_urls` created
---
 lms/djangoapps/courseware/views/views.py      | 34 +++++++++++
 lms/djangoapps/mfe_config_api/api.py          | 60 +++++++++++++++++++
 lms/djangoapps/mfe_config_api/views.py        | 48 +--------------
 lms/envs/common.py                            | 29 +++++----
 .../courseware/courseware-chromeless.html     |  4 +-
 5 files changed, 116 insertions(+), 59 deletions(-)
 create mode 100644 lms/djangoapps/mfe_config_api/api.py

diff --git a/lms/djangoapps/courseware/views/views.py b/lms/djangoapps/courseware/views/views.py
index 2c89800d82b6..a4b86e6bb7e6 100644
--- a/lms/djangoapps/courseware/views/views.py
+++ b/lms/djangoapps/courseware/views/views.py
@@ -118,6 +118,7 @@
 from lms.djangoapps.instructor.views.api import require_global_staff
 from lms.djangoapps.survey import views as survey_views
 from lms.djangoapps.verify_student.services import IDVerificationService
+from lms.djangoapps.mfe_config_api.views import get_mfe_config
 from openedx.core.djangoapps.catalog.utils import (
     get_course_data,
     get_course_uuid_for_course,
@@ -1724,6 +1725,7 @@ def render_xblock(request, usage_key_string, check_if_enrolled=True, disable_sta
                 'is_learning_mfe': is_learning_mfe,
                 'is_mobile_app': is_mobile_app,
                 'render_course_wide_assets': True,
+                'paragon_css_urls': _get_paragon_css_urls(),
             }
 
             try:
@@ -1752,6 +1754,38 @@ def render_xblock(request, usage_key_string, check_if_enrolled=True, disable_sta
 
             return render_to_response('courseware/courseware-chromeless.html', context, request=request)
 
+def _get_paragon_css_urls():
+    """
+    Gets the paragon themes
+
+    Calls the MFE Config API. If the API lives in the current
+    server (relative path), calls the Python Api directly. If
+    the server lives in a remote server, makes a request to 
+    the API.
+    """
+
+    api_url = getattr(settings, 'MFE_CONFIG_API_URL', None)
+
+    if api_url is None or api_url.startswith('/'):
+        mfe_config = get_mfe_config(mfe='learning')
+    else:
+        response = requests.get(f"{api_url}?mfe=learning")
+        mfe_config = response.json()
+
+    theme_urls = mfe_config.get('PARAGON_THEME_URLS', {})
+
+    variant = theme_urls.get('default', {}).get('light')
+    theme = [url for url in [
+        'https://cdn.jsdelivr.net/npm/@openedx/paragon@23/dist/light.min.css',
+        theme_urls.get('variants', {}).get(variant, {}).get('urls', {}).get('brandOverride'),
+    ] if url]
+    core = [url for url in [
+        'https://cdn.jsdelivr.net/npm/@openedx/paragon@23/dist/core.min.css',
+        theme_urls.get('core', {}).get('urls', {}).get('brandOverride'),
+    ] if url]
+
+    return theme + core
+
 
 def get_optimization_flags_for_content(block, fragment):
     """
diff --git a/lms/djangoapps/mfe_config_api/api.py b/lms/djangoapps/mfe_config_api/api.py
new file mode 100644
index 000000000000..9101cfc69323
--- /dev/null
+++ b/lms/djangoapps/mfe_config_api/api.py
@@ -0,0 +1,60 @@
+from django.conf import settings
+
+from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
+
+
+# The public API is only the following symbols:
+__all__ = [
+    # API methods
+    "get_mfe_config",
+]
+
+def get_mfe_config(mfe=None):
+    """
+    Return the merged MFE configuration for the given MFE app.
+    """
+    # Get values from django settings (level 6) or site configuration (level 5)
+    legacy_config = _get_legacy_config()
+
+    # Get values from mfe configuration, either from django settings (level 4) or site configuration (level 3)
+    mfe_config = configuration_helpers.get_value("MFE_CONFIG", settings.MFE_CONFIG)
+
+    # Get values from mfe overrides, either from django settings (level 2) or site configuration (level 1)
+    mfe_config_overrides = {}
+
+    if mfe:
+        app_config = configuration_helpers.get_value(
+            "MFE_CONFIG_OVERRIDES",
+            settings.MFE_CONFIG_OVERRIDES,
+        )
+        mfe_config_overrides = app_config.get(mfe, {})
+
+    # Merge the three configs in the order of precedence
+    return legacy_config | mfe_config | mfe_config_overrides
+
+
+
+def _get_legacy_config() -> dict:
+    """
+    Return legacy configuration values available in either site configuration or django settings.
+    """
+    return {
+        "ENABLE_COURSE_SORTING_BY_START_DATE": configuration_helpers.get_value(
+            "ENABLE_COURSE_SORTING_BY_START_DATE",
+            settings.FEATURES["ENABLE_COURSE_SORTING_BY_START_DATE"]
+        ),
+        "HOMEPAGE_PROMO_VIDEO_YOUTUBE_ID": configuration_helpers.get_value(
+            "homepage_promo_video_youtube_id",
+            None
+        ),
+        "HOMEPAGE_COURSE_MAX": configuration_helpers.get_value(
+            "HOMEPAGE_COURSE_MAX",
+            settings.HOMEPAGE_COURSE_MAX
+        ),
+        "COURSE_ABOUT_TWITTER_ACCOUNT": configuration_helpers.get_value(
+            "course_about_twitter_account",
+            settings.PLATFORM_TWITTER_ACCOUNT
+        ),
+        "NON_BROWSABLE_COURSES": not settings.FEATURES.get("COURSES_ARE_BROWSABLE"),
+        "ENABLE_COURSE_DISCOVERY": settings.FEATURES["ENABLE_COURSE_DISCOVERY"],
+    }
diff --git a/lms/djangoapps/mfe_config_api/views.py b/lms/djangoapps/mfe_config_api/views.py
index 0ab71b151b88..1e2537918e8e 100644
--- a/lms/djangoapps/mfe_config_api/views.py
+++ b/lms/djangoapps/mfe_config_api/views.py
@@ -10,8 +10,7 @@
 from rest_framework import status
 from rest_framework.views import APIView
 
-from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
-
+from .api import get_mfe_config
 
 class MFEConfigView(APIView):
     """
@@ -72,49 +71,6 @@ def get(self, request):
         if not settings.ENABLE_MFE_CONFIG_API:
             return HttpResponseNotFound()
 
-        # Get values from django settings (level 6) or site configuration (level 5)
-        legacy_config = self._get_legacy_config()
-
-        # Get values from mfe configuration, either from django settings (level 4) or site configuration (level 3)
-        mfe_config = configuration_helpers.get_value("MFE_CONFIG", settings.MFE_CONFIG)
-
-        # Get values from mfe overrides, either from django settings (level 2) or site configuration (level 1)
-        mfe_config_overrides = {}
-        if request.query_params.get("mfe"):
-            mfe = str(request.query_params.get("mfe"))
-            app_config = configuration_helpers.get_value(
-                "MFE_CONFIG_OVERRIDES",
-                settings.MFE_CONFIG_OVERRIDES,
-            )
-            mfe_config_overrides = app_config.get(mfe, {})
-
-        # Merge the three configs in the order of precedence
-        merged_config = legacy_config | mfe_config | mfe_config_overrides
+        merged_config = get_mfe_config(str(request.query_params.get("mfe")))
 
         return JsonResponse(merged_config, status=status.HTTP_200_OK)
-
-    @staticmethod
-    def _get_legacy_config() -> dict:
-        """
-        Return legacy configuration values available in either site configuration or django settings.
-        """
-        return {
-            "ENABLE_COURSE_SORTING_BY_START_DATE": configuration_helpers.get_value(
-                "ENABLE_COURSE_SORTING_BY_START_DATE",
-                settings.FEATURES["ENABLE_COURSE_SORTING_BY_START_DATE"]
-            ),
-            "HOMEPAGE_PROMO_VIDEO_YOUTUBE_ID": configuration_helpers.get_value(
-                "homepage_promo_video_youtube_id",
-                None
-            ),
-            "HOMEPAGE_COURSE_MAX": configuration_helpers.get_value(
-                "HOMEPAGE_COURSE_MAX",
-                settings.HOMEPAGE_COURSE_MAX
-            ),
-            "COURSE_ABOUT_TWITTER_ACCOUNT": configuration_helpers.get_value(
-                "course_about_twitter_account",
-                settings.PLATFORM_TWITTER_ACCOUNT
-            ),
-            "NON_BROWSABLE_COURSES": not settings.FEATURES.get("COURSES_ARE_BROWSABLE"),
-            "ENABLE_COURSE_DISCOVERY": settings.FEATURES["ENABLE_COURSE_DISCOVERY"],
-        }
diff --git a/lms/envs/common.py b/lms/envs/common.py
index 06ba0c050aea..70c66df856cb 100644
--- a/lms/envs/common.py
+++ b/lms/envs/common.py
@@ -1679,15 +1679,15 @@
         'output_filename': 'css/lms-style-vendor-tinymce-skin.css',
     },
     'style-main-v1': {
-        'source_filenames': [
-            'css/lms-main-v1.css',
-        ],
+        #'source_filenames': [
+        #    'css/lms-main-v1.css',
+        #],
         'output_filename': 'css/lms-main-v1.css',
     },
     'style-main-v1-rtl': {
-        'source_filenames': [
-            'css/lms-main-v1-rtl.css',
-        ],
+        #'source_filenames': [
+        #    'css/lms-main-v1-rtl.css',
+        #],
         'output_filename': 'css/lms-main-v1-rtl.css',
     },
     'style-course-vendor': {
@@ -1699,15 +1699,15 @@
         'output_filename': 'css/lms-style-course-vendor.css',
     },
     'style-course': {
-        'source_filenames': [
-            'css/lms-course.css',
-        ],
+        #'source_filenames': [
+        #    'css/lms-course.css',
+        #],
         'output_filename': 'css/lms-course.css',
     },
     'style-course-rtl': {
-        'source_filenames': [
-            'css/lms-course-rtl.css',
-        ],
+        #'source_filenames': [
+        #    'css/lms-course-rtl.css',
+        #],
         'output_filename': 'css/lms-course-rtl.css',
     },
     'style-student-notes': {
@@ -3463,6 +3463,11 @@
 # .. setting_creation_date: 2022-08-05
 MFE_CONFIG_OVERRIDES = {}
 
+# .. setting_name: MFE_CONFIG_API_URL
+# .. setting_default: '/api/mfe_config/v1'
+# .. setting_description: The URL to get the MFE Config
+MFE_CONFIG_API_URL = '/api/mfe_config/v1'
+
 # .. setting_name: MFE_CONFIG_API_CACHE_TIMEOUT
 # .. setting_default: 60*5
 # .. setting_description: The MFE Config API response will be cached during the
diff --git a/lms/templates/courseware/courseware-chromeless.html b/lms/templates/courseware/courseware-chromeless.html
index deeda26c431d..366e3a3e98d2 100644
--- a/lms/templates/courseware/courseware-chromeless.html
+++ b/lms/templates/courseware/courseware-chromeless.html
@@ -33,7 +33,9 @@
 
 <%block name="headextra">
 <%static:css group='style-course-vendor'/>
-<%static:css group='style-course'/>
+% for css_url in paragon_css_urls:
+  <link rel="stylesheet" href="${css_url | h}" type="text/css">
+% endfor
 ## Utility: Notes
 % if edx_notes_enabled:
 <%static:css group='style-student-notes'/>

From 31038668e523e2ead4ffa4c7feb2e9f78b5513bc Mon Sep 17 00:00:00 2001
From: XnpioChV <xnpiochv@gmail.com>
Date: Thu, 21 May 2026 14:56:45 -0500
Subject: [PATCH 2/8] fix: Broken tests and style

---
 lms/djangoapps/mfe_config_api/api.py              |  4 ++++
 lms/djangoapps/mfe_config_api/tests/test_views.py | 12 ++++++------
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/lms/djangoapps/mfe_config_api/api.py b/lms/djangoapps/mfe_config_api/api.py
index 9101cfc69323..be7fd6cf7e9f 100644
--- a/lms/djangoapps/mfe_config_api/api.py
+++ b/lms/djangoapps/mfe_config_api/api.py
@@ -1,3 +1,7 @@
+"""
+MFE API funtions.
+"""
+
 from django.conf import settings
 
 from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
diff --git a/lms/djangoapps/mfe_config_api/tests/test_views.py b/lms/djangoapps/mfe_config_api/tests/test_views.py
index fcf1f1ad29e8..141e257ef44e 100644
--- a/lms/djangoapps/mfe_config_api/tests/test_views.py
+++ b/lms/djangoapps/mfe_config_api/tests/test_views.py
@@ -32,7 +32,7 @@ def setUp(self):
         self.mfe_config_api_url = reverse("mfe_config_api:config")
         return super().setUp()
 
-    @patch("lms.djangoapps.mfe_config_api.views.configuration_helpers")
+    @patch("lms.djangoapps.mfe_config_api.api.configuration_helpers")
     def test_get_mfe_config(self, configuration_helpers_mock):
         """Test the get mfe config from site configuration with the mfe api.
 
@@ -52,7 +52,7 @@ def side_effect(key, default=None):
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertEqual(response.json(), {**default_legacy_config, "EXAMPLE_VAR": "value"})
 
-    @patch("lms.djangoapps.mfe_config_api.views.configuration_helpers")
+    @patch("lms.djangoapps.mfe_config_api.api.configuration_helpers")
     def test_get_mfe_config_with_queryparam(self, configuration_helpers_mock):
         """Test the get mfe config with a query param from site configuration.
 
@@ -120,7 +120,7 @@ def side_effect(key, default=None):
             expected_response={**default_legacy_config, "EXAMPLE_VAR": "mymfe_value"},
         ),
     )
-    @patch("lms.djangoapps.mfe_config_api.views.configuration_helpers")
+    @patch("lms.djangoapps.mfe_config_api.api.configuration_helpers")
     def test_get_mfe_config_with_queryparam_multiple_configs(
         self,
         configuration_helpers_mock,
@@ -175,7 +175,7 @@ def test_get_mfe_config_with_queryparam_from_django_settings(self):
         expected = default_legacy_config | settings.MFE_CONFIG | settings.MFE_CONFIG_OVERRIDES["mymfe"]
         self.assertEqual(response.json(), expected)
 
-    @patch("lms.djangoapps.mfe_config_api.views.configuration_helpers")
+    @patch("lms.djangoapps.mfe_config_api.api.configuration_helpers")
     @override_settings(ENABLE_MFE_CONFIG_API=False)
     def test_404_get_mfe_config(self, configuration_helpers_mock):
         """Test the 404 not found response from get mfe config.
@@ -188,7 +188,7 @@ def test_404_get_mfe_config(self, configuration_helpers_mock):
         configuration_helpers_mock.get_value.assert_not_called()
         self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
 
-    @patch("lms.djangoapps.mfe_config_api.views.configuration_helpers")
+    @patch("lms.djangoapps.mfe_config_api.api.configuration_helpers")
     def test_get_mfe_config_for_catalog(self, configuration_helpers_mock):
         """Test the mfe config by explicitly using catalog mfe as an example.
 
@@ -232,7 +232,7 @@ def side_effect(key, default=None):
         self.assertEqual(data["NON_BROWSABLE_COURSES"], True)
         self.assertEqual(data["ENABLE_COURSE_DISCOVERY"], False)
 
-    @patch("lms.djangoapps.mfe_config_api.views.configuration_helpers")
+    @patch("lms.djangoapps.mfe_config_api.api.configuration_helpers")
     def test_config_order_of_precedence(self, configuration_helpers_mock):
         """Test the precedence of configuration values by explicitly using catalog MFE as an example.
 

From 0d554d926169b35a5def181219f456ce9e37d153 Mon Sep 17 00:00:00 2001
From: XnpioChV <xnpiochv@gmail.com>
Date: Thu, 21 May 2026 16:28:14 -0500
Subject: [PATCH 3/8] fix: Error with source_filenames

---
 lms/envs/common.py | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/lms/envs/common.py b/lms/envs/common.py
index 70c66df856cb..be9c59da1a27 100644
--- a/lms/envs/common.py
+++ b/lms/envs/common.py
@@ -1679,15 +1679,15 @@
         'output_filename': 'css/lms-style-vendor-tinymce-skin.css',
     },
     'style-main-v1': {
-        #'source_filenames': [
+        'source_filenames': [
         #    'css/lms-main-v1.css',
-        #],
+        ],
         'output_filename': 'css/lms-main-v1.css',
     },
     'style-main-v1-rtl': {
-        #'source_filenames': [
+        'source_filenames': [
         #    'css/lms-main-v1-rtl.css',
-        #],
+        ],
         'output_filename': 'css/lms-main-v1-rtl.css',
     },
     'style-course-vendor': {
@@ -1699,15 +1699,15 @@
         'output_filename': 'css/lms-style-course-vendor.css',
     },
     'style-course': {
-        #'source_filenames': [
+        'source_filenames': [
         #    'css/lms-course.css',
-        #],
+        ],
         'output_filename': 'css/lms-course.css',
     },
     'style-course-rtl': {
-        #'source_filenames': [
+        'source_filenames': [
         #    'css/lms-course-rtl.css',
-        #],
+        ],
         'output_filename': 'css/lms-course-rtl.css',
     },
     'style-student-notes': {

From 4be2a2ce7f1212aec84a9f46f655f9fe2a6d9a3a Mon Sep 17 00:00:00 2001
From: XnpioChV <xnpiochv@gmail.com>
Date: Fri, 22 May 2026 11:46:03 -0500
Subject: [PATCH 4/8] test: Adding tests

---
 lms/djangoapps/courseware/tests/test_views.py | 87 +++++++++++++++++++
 lms/djangoapps/courseware/views/views.py      |  4 +-
 lms/djangoapps/mfe_config_api/views.py        |  2 +-
 .../courseware/courseware-chromeless.html     |  8 +-
 4 files changed, 96 insertions(+), 5 deletions(-)

diff --git a/lms/djangoapps/courseware/tests/test_views.py b/lms/djangoapps/courseware/tests/test_views.py
index 2c3ece3133a5..5415502af556 100644
--- a/lms/djangoapps/courseware/tests/test_views.py
+++ b/lms/djangoapps/courseware/tests/test_views.py
@@ -2609,6 +2609,93 @@ def test_access(self, is_waffle_enabled, is_public_video, expected_status_code):
         self.assertEqual(expected_status_code, embed_response.status_code)
 
 
+class TestGetParagonCssUrls(TestCase):
+    """
+    Unit tests for the _get_paragon_css_urls() helper in courseware views.
+
+    The helper has two code paths:
+    - Local: MFE_CONFIG_API_URL is None or relative → calls get_mfe_config() directly (no HTTP).
+    - Remote: MFE_CONFIG_API_URL is an absolute URL → calls requests.get().
+    In both cases it builds a list of CSS URLs from PARAGON_THEME_URLS, falling back to
+    jsDelivr CDN URLs when brand overrides are not configured.
+    """
+
+    CDN_CORE = 'https://cdn.jsdelivr.net/npm/@openedx/paragon@23/dist/core.min.css'
+    CDN_LIGHT = 'https://cdn.jsdelivr.net/npm/@openedx/paragon@23/dist/light.min.css'
+    BRAND_CORE_URL = 'https://wgu-static.example.com/core.css'
+    BRAND_LIGHT_URL = 'https://wgu-static.example.com/light.css'
+    REMOTE_API_URL = 'https://remote.example.com/api/mfe_config/v1'
+
+    PARAGON_THEME_URLS = {
+        'core': {'urls': {'brandOverride': BRAND_CORE_URL}},
+        'default': {'light': 'light'},
+        'variants': {
+            'light': {'urls': {'brandOverride': BRAND_LIGHT_URL}},
+        },
+    }
+
+    @override_settings(MFE_CONFIG_API_URL='/api/mfe_config/v1')
+    @patch('lms.djangoapps.courseware.views.views.get_mfe_config')
+    def test_local_path_no_brand_overrides(self, mock_get_mfe_config):
+        """Local path, no PARAGON_THEME_URLS: returns only CDN fallback URLs."""
+        mock_get_mfe_config.return_value = {}
+
+        result = views._get_paragon_css_urls()
+
+        mock_get_mfe_config.assert_called_once_with(mfe='learning')
+        self.assertEqual(result, [self.CDN_LIGHT, self.CDN_CORE])
+
+    @override_settings(MFE_CONFIG_API_URL='/api/mfe_config/v1')
+    @patch('lms.djangoapps.courseware.views.views.get_mfe_config')
+    def test_local_path_with_brand_overrides(self, mock_get_mfe_config):
+        """Local path, PARAGON_THEME_URLS configured: returns CDN + brand override URLs."""
+        mock_get_mfe_config.return_value = {'PARAGON_THEME_URLS': self.PARAGON_THEME_URLS}
+
+        result = views._get_paragon_css_urls()
+
+        mock_get_mfe_config.assert_called_once_with(mfe='learning')
+        self.assertEqual(result, [
+            self.CDN_LIGHT, self.BRAND_LIGHT_URL,
+            self.CDN_CORE, self.BRAND_CORE_URL,
+        ])
+
+    @override_settings(MFE_CONFIG_API_URL=None)
+    @patch('lms.djangoapps.courseware.views.views.get_mfe_config')
+    def test_none_url_uses_local_path(self, mock_get_mfe_config):
+        """When MFE_CONFIG_API_URL is None, falls back to direct Python call (no HTTP)."""
+        mock_get_mfe_config.return_value = {}
+
+        result = views._get_paragon_css_urls()
+
+        mock_get_mfe_config.assert_called_once_with(mfe='learning')
+        self.assertEqual(result, [self.CDN_LIGHT, self.CDN_CORE])
+
+    @override_settings(MFE_CONFIG_API_URL=REMOTE_API_URL)
+    @patch('lms.djangoapps.courseware.views.views.requests.get')
+    def test_remote_path_no_brand_overrides(self, mock_requests_get):
+        """Remote path (absolute URL), no PARAGON_THEME_URLS: returns only CDN fallback URLs."""
+        mock_requests_get.return_value.json.return_value = {}
+
+        result = views._get_paragon_css_urls()
+
+        mock_requests_get.assert_called_once_with(f'{self.REMOTE_API_URL}?mfe=learning')
+        self.assertEqual(result, [self.CDN_LIGHT, self.CDN_CORE])
+
+    @override_settings(MFE_CONFIG_API_URL=REMOTE_API_URL)
+    @patch('lms.djangoapps.courseware.views.views.requests.get')
+    def test_remote_path_with_brand_overrides(self, mock_requests_get):
+        """Remote path (absolute URL): calls requests.get and returns CDN + brand URLs."""
+        mock_requests_get.return_value.json.return_value = {'PARAGON_THEME_URLS': self.PARAGON_THEME_URLS}
+
+        result = views._get_paragon_css_urls()
+
+        mock_requests_get.assert_called_once_with(f'{self.REMOTE_API_URL}?mfe=learning')
+        self.assertEqual(result, [
+            self.CDN_LIGHT, self.BRAND_LIGHT_URL,
+            self.CDN_CORE, self.BRAND_CORE_URL,
+        ])
+
+
 class TestRenderXBlockSelfPaced(TestRenderXBlock):  # lint-amnesty, pylint: disable=test-inherits-tests
     """
     Test rendering XBlocks for a self-paced course. Relies on the query
diff --git a/lms/djangoapps/courseware/views/views.py b/lms/djangoapps/courseware/views/views.py
index a4b86e6bb7e6..8501fd249008 100644
--- a/lms/djangoapps/courseware/views/views.py
+++ b/lms/djangoapps/courseware/views/views.py
@@ -118,7 +118,7 @@
 from lms.djangoapps.instructor.views.api import require_global_staff
 from lms.djangoapps.survey import views as survey_views
 from lms.djangoapps.verify_student.services import IDVerificationService
-from lms.djangoapps.mfe_config_api.views import get_mfe_config
+from lms.djangoapps.mfe_config_api.api import get_mfe_config
 from openedx.core.djangoapps.catalog.utils import (
     get_course_data,
     get_course_uuid_for_course,
@@ -1754,6 +1754,7 @@ def render_xblock(request, usage_key_string, check_if_enrolled=True, disable_sta
 
             return render_to_response('courseware/courseware-chromeless.html', context, request=request)
 
+
 def _get_paragon_css_urls():
     """
     Gets the paragon themes
@@ -1941,6 +1942,7 @@ def get_template_and_context(self, course, video_block):
             'is_learning_mfe': True,
             'is_mobile_app': False,
             'is_enrolled_in_course': self.get_is_enrolled_in_course(course),
+            'paragon_css_urls': _get_paragon_css_urls(),
         }
         return 'public_video.html', context
 
diff --git a/lms/djangoapps/mfe_config_api/views.py b/lms/djangoapps/mfe_config_api/views.py
index 1e2537918e8e..624c7bcc13ff 100644
--- a/lms/djangoapps/mfe_config_api/views.py
+++ b/lms/djangoapps/mfe_config_api/views.py
@@ -71,6 +71,6 @@ def get(self, request):
         if not settings.ENABLE_MFE_CONFIG_API:
             return HttpResponseNotFound()
 
-        merged_config = get_mfe_config(str(request.query_params.get("mfe")))
+        merged_config = get_mfe_config(request.query_params.get("mfe"))
 
         return JsonResponse(merged_config, status=status.HTTP_200_OK)
diff --git a/lms/templates/courseware/courseware-chromeless.html b/lms/templates/courseware/courseware-chromeless.html
index 366e3a3e98d2..1fc524930154 100644
--- a/lms/templates/courseware/courseware-chromeless.html
+++ b/lms/templates/courseware/courseware-chromeless.html
@@ -33,9 +33,11 @@
 
 <%block name="headextra">
 <%static:css group='style-course-vendor'/>
-% for css_url in paragon_css_urls:
-  <link rel="stylesheet" href="${css_url | h}" type="text/css">
-% endfor
+% if paragon_css_urls:
+  % for css_url in paragon_css_urls:
+    <link rel="stylesheet" href="${css_url | h}" type="text/css">
+  % endfor
+%endif
 ## Utility: Notes
 % if edx_notes_enabled:
 <%static:css group='style-student-notes'/>

From dc33a0ed0859ed0b928065be2fe14c2f0a87af08 Mon Sep 17 00:00:00 2001
From: XnpioChV <xnpiochv@gmail.com>
Date: Mon, 25 May 2026 10:24:07 +0700
Subject: [PATCH 5/8] fix: Issues with laod styles

---
 lms/djangoapps/mfe_config_api/api.py                | 8 ++++----
 lms/templates/courseware/courseware-chromeless.html | 2 ++
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/lms/djangoapps/mfe_config_api/api.py b/lms/djangoapps/mfe_config_api/api.py
index be7fd6cf7e9f..fa0c1fe88dd4 100644
--- a/lms/djangoapps/mfe_config_api/api.py
+++ b/lms/djangoapps/mfe_config_api/api.py
@@ -45,7 +45,7 @@ def _get_legacy_config() -> dict:
     return {
         "ENABLE_COURSE_SORTING_BY_START_DATE": configuration_helpers.get_value(
             "ENABLE_COURSE_SORTING_BY_START_DATE",
-            settings.FEATURES["ENABLE_COURSE_SORTING_BY_START_DATE"]
+            settings.FEATURES.get("ENABLE_COURSE_SORTING_BY_START_DATE")
         ),
         "HOMEPAGE_PROMO_VIDEO_YOUTUBE_ID": configuration_helpers.get_value(
             "homepage_promo_video_youtube_id",
@@ -53,12 +53,12 @@ def _get_legacy_config() -> dict:
         ),
         "HOMEPAGE_COURSE_MAX": configuration_helpers.get_value(
             "HOMEPAGE_COURSE_MAX",
-            settings.HOMEPAGE_COURSE_MAX
+            getattr(settings, 'HOMEPAGE_COURSE_MAX', None),
         ),
         "COURSE_ABOUT_TWITTER_ACCOUNT": configuration_helpers.get_value(
             "course_about_twitter_account",
-            settings.PLATFORM_TWITTER_ACCOUNT
+            getattr(settings, 'PLATFORM_TWITTER_ACCOUNT', None),
         ),
         "NON_BROWSABLE_COURSES": not settings.FEATURES.get("COURSES_ARE_BROWSABLE"),
-        "ENABLE_COURSE_DISCOVERY": settings.FEATURES["ENABLE_COURSE_DISCOVERY"],
+        "ENABLE_COURSE_DISCOVERY": settings.FEATURES.get("ENABLE_COURSE_DISCOVERY"),
     }
diff --git a/lms/templates/courseware/courseware-chromeless.html b/lms/templates/courseware/courseware-chromeless.html
index 1fc524930154..c227265958d3 100644
--- a/lms/templates/courseware/courseware-chromeless.html
+++ b/lms/templates/courseware/courseware-chromeless.html
@@ -37,6 +37,8 @@
   % for css_url in paragon_css_urls:
     <link rel="stylesheet" href="${css_url | h}" type="text/css">
   % endfor
+  ## LMS CSS used to hide dialogs marked as aria-hidden; Paragon doesn't, so we add it back explicitly.
+  <style>[role="dialog"][aria-hidden="true"] { display: none !important; }</style>
 %endif
 ## Utility: Notes
 % if edx_notes_enabled:

From 7c1f0a63d625a9378576c56bca9ef98e5b9d0edb Mon Sep 17 00:00:00 2001
From: XnpioChV <xnpiochv@gmail.com>
Date: Mon, 25 May 2026 10:42:56 +0700
Subject: [PATCH 6/8] fix: Broken lint

---
 lms/djangoapps/courseware/views/views.py | 2 +-
 lms/djangoapps/mfe_config_api/api.py     | 2 +-
 lms/djangoapps/mfe_config_api/views.py   | 1 +
 lms/envs/common.py                       | 8 ++++----
 4 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/lms/djangoapps/courseware/views/views.py b/lms/djangoapps/courseware/views/views.py
index 8501fd249008..3b93f49d2995 100644
--- a/lms/djangoapps/courseware/views/views.py
+++ b/lms/djangoapps/courseware/views/views.py
@@ -1761,7 +1761,7 @@ def _get_paragon_css_urls():
 
     Calls the MFE Config API. If the API lives in the current
     server (relative path), calls the Python Api directly. If
-    the server lives in a remote server, makes a request to 
+    the server lives in a remote server, makes a request to
     the API.
     """
 
diff --git a/lms/djangoapps/mfe_config_api/api.py b/lms/djangoapps/mfe_config_api/api.py
index fa0c1fe88dd4..25680c538e54 100644
--- a/lms/djangoapps/mfe_config_api/api.py
+++ b/lms/djangoapps/mfe_config_api/api.py
@@ -13,6 +13,7 @@
     "get_mfe_config",
 ]
 
+
 def get_mfe_config(mfe=None):
     """
     Return the merged MFE configuration for the given MFE app.
@@ -37,7 +38,6 @@ def get_mfe_config(mfe=None):
     return legacy_config | mfe_config | mfe_config_overrides
 
 
-
 def _get_legacy_config() -> dict:
     """
     Return legacy configuration values available in either site configuration or django settings.
diff --git a/lms/djangoapps/mfe_config_api/views.py b/lms/djangoapps/mfe_config_api/views.py
index 624c7bcc13ff..df112fe244b6 100644
--- a/lms/djangoapps/mfe_config_api/views.py
+++ b/lms/djangoapps/mfe_config_api/views.py
@@ -12,6 +12,7 @@
 
 from .api import get_mfe_config
 
+
 class MFEConfigView(APIView):
     """
     Provides an API endpoint to get the MFE configuration from settings (or site configuration).
diff --git a/lms/envs/common.py b/lms/envs/common.py
index be9c59da1a27..0989d573f96c 100644
--- a/lms/envs/common.py
+++ b/lms/envs/common.py
@@ -1680,13 +1680,13 @@
     },
     'style-main-v1': {
         'source_filenames': [
-        #    'css/lms-main-v1.css',
+            #    'css/lms-main-v1.css',
         ],
         'output_filename': 'css/lms-main-v1.css',
     },
     'style-main-v1-rtl': {
         'source_filenames': [
-        #    'css/lms-main-v1-rtl.css',
+            #    'css/lms-main-v1-rtl.css',
         ],
         'output_filename': 'css/lms-main-v1-rtl.css',
     },
@@ -1700,13 +1700,13 @@
     },
     'style-course': {
         'source_filenames': [
-        #    'css/lms-course.css',
+            #    'css/lms-course.css',
         ],
         'output_filename': 'css/lms-course.css',
     },
     'style-course-rtl': {
         'source_filenames': [
-        #    'css/lms-course-rtl.css',
+            #    'css/lms-course-rtl.css',
         ],
         'output_filename': 'css/lms-course-rtl.css',
     },

From f671e7a511e8e64a311b8f2736d74705d284a283 Mon Sep 17 00:00:00 2001
From: XnpioChV <xnpiochv@gmail.com>
Date: Tue, 26 May 2026 10:32:46 +0700
Subject: [PATCH 7/8] fix: xss lint comments

---
 lms/templates/courseware/courseware-chromeless.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lms/templates/courseware/courseware-chromeless.html b/lms/templates/courseware/courseware-chromeless.html
index c227265958d3..13311e02fe47 100644
--- a/lms/templates/courseware/courseware-chromeless.html
+++ b/lms/templates/courseware/courseware-chromeless.html
@@ -35,7 +35,7 @@
 <%static:css group='style-course-vendor'/>
 % if paragon_css_urls:
   % for css_url in paragon_css_urls:
-    <link rel="stylesheet" href="${css_url | h}" type="text/css">
+    <link rel="stylesheet" href="${css_url}" type="text/css">
   % endfor
   ## LMS CSS used to hide dialogs marked as aria-hidden; Paragon doesn't, so we add it back explicitly.
   <style>[role="dialog"][aria-hidden="true"] { display: none !important; }</style>

From 1d6cb2ff95405fc9542927d31c70aeff6713d27b Mon Sep 17 00:00:00 2001
From: XnpioChV <xnpiochv@gmail.com>
Date: Tue, 26 May 2026 11:59:20 +0700
Subject: [PATCH 8/8] fix: Not related and strange lint error in settings

---
 openedx/envs/common.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/openedx/envs/common.py b/openedx/envs/common.py
index 33275894910d..47d24e866324 100644
--- a/openedx/envs/common.py
+++ b/openedx/envs/common.py
@@ -1577,7 +1577,7 @@ def _make_locale_paths(settings):
 SOCIAL_AUTH_SAML_SP_PUBLIC_CERT_DICT = {}
 
 # .. setting_name: SAML_METADATA_URL_ALLOW_PRIVATE_IPS
-# .. setting_default: False
+# .. setting_default: false
 # .. setting_description: When False (the default), fetching SAML metadata from
 #   private IP address ranges (RFC 1918: 10.x, 172.16.x, 192.168.x) is blocked
 #   as a defense against SSRF attacks. Set to True only in deployments where the