diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 505100b..2ade11d 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
   push:
     tags:
-      - 'v[0-9]+.[0-9]+.[0-9]+'
+      - "v[0-9]+.[0-9]+.[0-9]+"
 
 jobs:
   test:
@@ -18,7 +18,7 @@ jobs:
     environment: release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -33,7 +33,7 @@ jobs:
         run: python3 -m build --sdist --wheel --outdir dist/
 
       - name: upload package
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: package
           path: dist/
diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 1a3602f..c2682af 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -3,7 +3,7 @@ on:
   workflow_dispatch:
   push:
     tags:
-      - 'v[0-9]+.[0-9]+.[0-9]+'
+      - "v[0-9]+.[0-9]+.[0-9]+"
 
 permissions:
   contents: read
@@ -21,9 +21,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Set up Python 3.11
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: 3.11
       - name: Install dependencies
@@ -34,9 +34,9 @@ jobs:
         run: mkdocs build
       - name: Setup Pages
         id: pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@v6
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v5
         with:
           path: "./site"
   deploy:
@@ -48,4 +48,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0b2fb37..e057f3e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,20 +19,19 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-python@v5
-      with:
-        python-version: 3.9
-    - uses: actions/setup-python@v5
-      with:
-        python-version: 3.11
-  
-    - name: install requirements
-      run: python -m pip install nox pre-commit
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
+        with:
+          python-version: |
+            3.10
+            3.14
 
-    - name: run pre-commit
-      if: ${{ matrix.os == 'ubuntu-latest' }}
-      run: pre-commit run --all --show-diff-on-failure
+      - name: install requirements
+        run: python -m pip install nox pre-commit
 
-    - name: run tests
-      run: nox
+      - name: run pre-commit
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+        run: pre-commit run --all --show-diff-on-failure
+
+      - name: run tests
+        run: nox
diff --git a/docs/_custom/css/extra.css b/docs/_custom/css/extra.css
index b2264f2..833d4ea 100644
--- a/docs/_custom/css/extra.css
+++ b/docs/_custom/css/extra.css
@@ -1,12 +1,44 @@
-:root {
-    --md-primary-fg-color: #6495ED;
+[data-md-color-scheme="default"] {
+    --md-primary-fg-color: #4378dc;
+    --md-primary-fg-color--light: #4378dc;
+    --md-primary-fg-color--dark: #4378dc;
+
+    /* Code colors – light background */
+    --md-code-hl-number-color: hsl(11, 80%, 40%);
+    --md-code-hl-special-color: hsl(340, 75%, 45%);
+    --md-code-hl-function-color: hsl(271, 55%, 45%);
+    --md-code-hl-constant-color: hsl(220, 70%, 45%);
+    --md-code-hl-keyword-color: var(--md-primary-fg-color);
+    --md-code-hl-string-color: hsl(160, 50%, 30%);
+    --md-code-hl-name-color: hsl(43, 90%, 32%);
+    --md-code-hl-operator-color: hsl(0, 0%, 30%);
+    --md-code-hl-punctuation-color: hsl(271, 45%, 45%);
+    --md-code-hl-comment-color: hsl(210, 15%, 50%);
+    --md-code-hl-generic-color: hsl(210, 15%, 45%);
+    --md-code-hl-variable-color: hsl(24, 70%, 38%);
 }
 
-[data-md-color-scheme="slate"] .md-header,
-[data-md-color-scheme="slate"] .md-tabs {
+[data-md-color-scheme="slate"] {
+    --md-typeset-a-color: #4378dc;
     --md-primary-fg-color: #253758;
+    --md-primary-fg-color--dark: #253758;
+
+    /* Code colors – dark background */
+    --md-code-hl-number-color: hsl(11, 85%, 68%);
+    --md-code-hl-special-color: hsl(340, 82%, 72%);
+    --md-code-hl-function-color: hsl(271, 70%, 78%);
+    --md-code-hl-constant-color: hsl(220, 80%, 75%);
+    --md-code-hl-keyword-color: #6fa3f7;
+    --md-code-hl-string-color: hsl(160, 55%, 60%);
+    --md-code-hl-name-color: hsl(43, 100%, 65%);
+    --md-code-hl-operator-color: hsl(0, 0%, 72%);
+    --md-code-hl-punctuation-color: hsl(271, 60%, 78%);
+    --md-code-hl-comment-color: hsl(210, 15%, 55%);
+    --md-code-hl-generic-color: hsl(210, 15%, 62%);
+    --md-code-hl-variable-color: hsl(24, 80%, 68%);
 }
 
+
 .md-grid {
     max-width: 1350px;
 }
diff --git a/noxfile.py b/noxfile.py
index 4da1023..3f211b9 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -7,7 +7,7 @@
 EDITABLE_TESTS = True
 PYTHON_VERSIONS = None
 if "GITHUB_ACTIONS" in os.environ:
-    PYTHON_VERSIONS = ["3.9", "3.11"]
+    PYTHON_VERSIONS = ["3.10", "3.14"]
     EDITABLE_TESTS = False