We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
urllib3 logo is unreadable in docs in dark mode
This is a recent Furo addition, you can see it in this pull request build: https://urllib3--2026.org.readthedocs.build/en/2026/index.html. Here's what I see (with Firefox on macOS with dark mode enabled):

<img width="237" alt="urllib3 logo in dark mode in docs" src="https://user-images.githubusercontent.com/42327/96408490-ad2c8300-11f4-11eb-8054-661fb38a6c23.png">

I'm not sure what the correct fix is here. The obvious one would be to force a white background. I guess we could also... add a dark mode urllib3 logo, by switching black letters to white?

(The rest of the content looks good, even if the contrast seems low to me.)

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `docs/conf.py`
Content:
```
1 import os
2 import sys
3 from datetime import date
4 
5 # If extensions (or modules to document with autodoc) are in another directory,
6 # add these directories to sys.path here. If the directory is relative to the
7 # documentation root, use os.path.abspath to make it absolute, like shown here.
8 
9 root_path = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
10 sys.path.insert(0, root_path)
11 
12 # Mock some expensive/platform-specific modules so build will work.
13 # (https://read-the-docs.readthedocs.io/en/latest/faq.html#\
14 #  i-get-import-errors-on-libraries-that-depend-on-c-modules)
15 from unittest import mock
16 
17 
18 class MockModule(mock.Mock):
19     @classmethod
20     def __getattr__(cls, name):
21         return MockModule()
22 
23 
24 MOCK_MODULES = ("ntlm",)
25 
26 sys.modules.update((mod_name, MockModule()) for mod_name in MOCK_MODULES)
27 
28 
29 import urllib3
30 
31 # -- General configuration -----------------------------------------------------
32 
33 
34 # Add any Sphinx extension module names here, as strings. They can be extensions
35 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
36 extensions = [
37     "sphinx.ext.autodoc",
38     "sphinx.ext.doctest",
39     "sphinx.ext.intersphinx",
40 ]
41 
42 # Test code blocks only when explicitly specified
43 doctest_test_doctest_blocks = ""
44 
45 # Add any paths that contain templates here, relative to this directory.
46 templates_path = ["_templates"]
47 
48 # The suffix of source filenames.
49 source_suffix = ".rst"
50 
51 # The master toctree document.
52 master_doc = "index"
53 
54 # General information about the project.
55 project = "urllib3"
56 copyright = f"{date.today().year}, Andrey Petrov"
57 
58 # The short X.Y version.
59 version = urllib3.__version__
60 # The full version, including alpha/beta/rc tags.
61 release = version
62 
63 # List of patterns, relative to source directory, that match files and
64 # directories to ignore when looking for source files.
65 exclude_patterns = ["_build"]
66 
67 # The name of the Pygments (syntax highlighting) style to use.
68 pygments_style = "friendly"
69 
70 # The theme to use for HTML and HTML Help pages.  See the documentation for
71 # a list of builtin themes.
72 html_theme = "furo"
73 html_favicon = "images/favicon.png"
74 html_logo = "images/banner.svg"
75 
76 html_theme_options = {
77     "announcement": """
78         <a style=\"text-decoration: none; color: white;\" 
79            href=\"https://opencollective.com/urllib3\">
80            <img src=\"/en/latest/_static/favicon.png\"/> Sponsor urllib3 v2.0 on Open Collective
81         </a>
82     """,
83     "sidebar_hide_name": True,
84 }
85 
86 intersphinx_mapping = {"python": ("https://docs.python.org/3", None)}
87
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/docs/conf.py b/docs/conf.py
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -73,8 +73,8 @@
 # a list of builtin themes.
 html_theme = "furo"
 html_favicon = "images/favicon.png"
-html_logo = "images/banner.svg"
 
+html_static_path = ["_static"]
 html_theme_options = {
     "announcement": """
         <a style=\"text-decoration: none; color: white;\" 
@@ -83,6 +83,8 @@
         </a>
     """,
     "sidebar_hide_name": True,
+    "light_logo": "banner.svg",
+    "dark_logo": "dark-logo.svg",
 }
 
 intersphinx_mapping = {"python": ("https://docs.python.org/3", None)}

{"golden_diff": "diff --git a/docs/conf.py b/docs/conf.py\n--- a/docs/conf.py\n+++ b/docs/conf.py\n@@ -73,8 +73,8 @@\n # a list of builtin themes.\n html_theme = \"furo\"\n html_favicon = \"images/favicon.png\"\n-html_logo = \"images/banner.svg\"\n \n+html_static_path = [\"_static\"]\n html_theme_options = {\n     \"announcement\": \"\"\"\n         <a style=\\\"text-decoration: none; color: white;\\\" \n@@ -83,6 +83,8 @@\n         </a>\n     \"\"\",\n     \"sidebar_hide_name\": True,\n+    \"light_logo\": \"banner.svg\",\n+    \"dark_logo\": \"dark-logo.svg\",\n }\n \n intersphinx_mapping = {\"python\": (\"https://docs.python.org/3\", None)}\n", "issue": "urllib3 logo is unreadable in docs in dark mode\nThis is a recent Furo addition, you can see it in this pull request build: https://urllib3--2026.org.readthedocs.build/en/2026/index.html. Here's what I see (with Firefox on macOS with dark mode enabled):\r\n\r\n<img width=\"237\" alt=\"urllib3 logo in dark mode in docs\" src=\"https://user-images.githubusercontent.com/42327/96408490-ad2c8300-11f4-11eb-8054-661fb38a6c23.png\">\r\n\r\nI'm not sure what the correct fix is here. The obvious one would be to force a white background. I guess we could also... add a dark mode urllib3 logo, by switching black letters to white?\r\n\r\n(The rest of the content looks good, even if the contrast seems low to me.)\n", "before_files": [{"content": "import os\nimport sys\nfrom datetime import date\n\n# If extensions (or modules to document with autodoc) are in another directory,\n# add these directories to sys.path here. If the directory is relative to the\n# documentation root, use os.path.abspath to make it absolute, like shown here.\n\nroot_path = os.path.abspath(os.path.join(os.path.dirname(__file__), \"..\"))\nsys.path.insert(0, root_path)\n\n# Mock some expensive/platform-specific modules so build will work.\n# (https://read-the-docs.readthedocs.io/en/latest/faq.html#\\\n#  i-get-import-errors-on-libraries-that-depend-on-c-modules)\nfrom unittest import mock\n\n\nclass MockModule(mock.Mock):\n    @classmethod\n    def __getattr__(cls, name):\n        return MockModule()\n\n\nMOCK_MODULES = (\"ntlm\",)\n\nsys.modules.update((mod_name, MockModule()) for mod_name in MOCK_MODULES)\n\n\nimport urllib3\n\n# -- General configuration -----------------------------------------------------\n\n\n# Add any Sphinx extension module names here, as strings. They can be extensions\n# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.\nextensions = [\n    \"sphinx.ext.autodoc\",\n    \"sphinx.ext.doctest\",\n    \"sphinx.ext.intersphinx\",\n]\n\n# Test code blocks only when explicitly specified\ndoctest_test_doctest_blocks = \"\"\n\n# Add any paths that contain templates here, relative to this directory.\ntemplates_path = [\"_templates\"]\n\n# The suffix of source filenames.\nsource_suffix = \".rst\"\n\n# The master toctree document.\nmaster_doc = \"index\"\n\n# General information about the project.\nproject = \"urllib3\"\ncopyright = f\"{date.today().year}, Andrey Petrov\"\n\n# The short X.Y version.\nversion = urllib3.__version__\n# The full version, including alpha/beta/rc tags.\nrelease = version\n\n# List of patterns, relative to source directory, that match files and\n# directories to ignore when looking for source files.\nexclude_patterns = [\"_build\"]\n\n# The name of the Pygments (syntax highlighting) style to use.\npygments_style = \"friendly\"\n\n# The theme to use for HTML and HTML Help pages.  See the documentation for\n# a list of builtin themes.\nhtml_theme = \"furo\"\nhtml_favicon = \"images/favicon.png\"\nhtml_logo = \"images/banner.svg\"\n\nhtml_theme_options = {\n    \"announcement\": \"\"\"\n        <a style=\\\"text-decoration: none; color: white;\\\" \n           href=\\\"https://opencollective.com/urllib3\\\">\n           <img src=\\\"/en/latest/_static/favicon.png\\\"/> Sponsor urllib3 v2.0 on Open Collective\n        </a>\n    \"\"\",\n    \"sidebar_hide_name\": True,\n}\n\nintersphinx_mapping = {\"python\": (\"https://docs.python.org/3\", None)}\n", "path": "docs/conf.py"}], "after_files": [{"content": "# -*- coding: utf-8 -*-\n\nimport os\nimport sys\nfrom datetime import date\n\n# If extensions (or modules to document with autodoc) are in another directory,\n# add these directories to sys.path here. If the directory is relative to the\n# documentation root, use os.path.abspath to make it absolute, like shown here.\n\nroot_path = os.path.abspath(os.path.join(os.path.dirname(__file__), \"..\"))\nsys.path.insert(0, root_path)\n\n# Mock some expensive/platform-specific modules so build will work.\n# (https://read-the-docs.readthedocs.io/en/latest/faq.html#\\\n#  i-get-import-errors-on-libraries-that-depend-on-c-modules)\nimport mock\n\n\nclass MockModule(mock.Mock):\n    @classmethod\n    def __getattr__(cls, name):\n        return MockModule()\n\n\nMOCK_MODULES = (\"ntlm\",)\n\nsys.modules.update((mod_name, MockModule()) for mod_name in MOCK_MODULES)\n\n\nimport urllib3\n\n# -- General configuration -----------------------------------------------------\n\n\n# Add any Sphinx extension module names here, as strings. They can be extensions\n# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.\nextensions = [\n    \"sphinx.ext.autodoc\",\n    \"sphinx.ext.doctest\",\n    \"sphinx.ext.intersphinx\",\n]\n\n# Test code blocks only when explicitly specified\ndoctest_test_doctest_blocks = \"\"\n\n# Add any paths that contain templates here, relative to this directory.\ntemplates_path = [\"_templates\"]\n\n# The suffix of source filenames.\nsource_suffix = \".rst\"\n\n# The master toctree document.\nmaster_doc = \"index\"\n\n# General information about the project.\nproject = \"urllib3\"\ncopyright = \"{year}, Andrey Petrov\".format(year=date.today().year)\n\n# The short X.Y version.\nversion = urllib3.__version__\n# The full version, including alpha/beta/rc tags.\nrelease = version\n\n# List of patterns, relative to source directory, that match files and\n# directories to ignore when looking for source files.\nexclude_patterns = [\"_build\"]\n\n# The name of the Pygments (syntax highlighting) style to use.\npygments_style = \"friendly\"\n\n# The theme to use for HTML and HTML Help pages.  See the documentation for\n# a list of builtin themes.\nhtml_theme = \"furo\"\nhtml_favicon = \"images/favicon.png\"\n\nhtml_static_path = [\"_static\"]\nhtml_theme_options = {\n    \"announcement\": \"\"\"\n        <a style=\\\"text-decoration: none; color: white;\\\" \n           href=\\\"https://opencollective.com/urllib3\\\">\n           <img src=\\\"/en/latest/_static/favicon.png\\\"/> Sponsor urllib3 v2.0 on Open Collective\n        </a>\n    \"\"\",\n    \"sidebar_hide_name\": True,\n    \"light_logo\": \"banner.svg\",\n    \"dark_logo\": \"dark-logo.svg\",\n}\n\nintersphinx_mapping = {\"python\": (\"https://docs.python.org/3\", None)}\n", "path": "docs/conf.py"}]}