Refactor UI components and add dark mode to admin pages

- Create shared UI module (Biz/PodcastItLater/UI.py) with:
  - create_bootstrap_styles() - create_auto_dark_mode_style() -
  create_htmx_script() - create_bootstrap_js()
- Update Admin.py to use shared UI module and add dark mode support -
Update Web.py to use shared UI module - Admin Queue and User Management
pages now support automatic dark mode

1 files changed, 3 insertions, 34 deletions

diff --git a/Biz/PodcastItLater/Web.py b/Biz/PodcastItLater/Web.py
index c4df33d..c1abf02 100644
--- a/Biz/PodcastItLater/Web.py
+++ b/Biz/PodcastItLater/Web.py
@@ -20,6 +20,7 @@ import Biz.EmailAgent
 import Biz.PodcastItLater.Admin as Admin
 import Biz.PodcastItLater.Billing as Billing
 import Biz.PodcastItLater.Core as Core
+import Biz.PodcastItLater.UI as UI
 import html as html_module
 import httpx
 import ludic.html as html
@@ -53,38 +54,6 @@ from typing import override
 logger = Log.setup()
 
 
-def create_auto_dark_mode_style() -> html.style:
-    """Create CSS for automatic dark mode based on prefers-color-scheme."""
-    return html.style(
-        """
-        /* Auto dark mode - applies Bootstrap dark theme via media query */
-        @media (prefers-color-scheme: dark) {
-            :root {
-                color-scheme: dark;
-                --bs-body-color: #dee2e6;
-                --bs-body-color-rgb: 222, 226, 230;
-                --bs-body-bg: #212529;
-                --bs-body-bg-rgb: 33, 37, 41;
-                --bs-emphasis-color: #fff;
-                --bs-emphasis-color-rgb: 255, 255, 255;
-                --bs-secondary-color: rgba(222, 226, 230, 0.75);
-                --bs-secondary-bg: #343a40;
-                --bs-tertiary-color: rgba(222, 226, 230, 0.5);
-                --bs-tertiary-bg: #2b3035;
-                --bs-heading-color: inherit;
-                --bs-link-color: #6ea8fe;
-                --bs-link-hover-color: #8bb9fe;
-                --bs-link-color-rgb: 110, 168, 254;
-                --bs-link-hover-color-rgb: 139, 185, 254;
-                --bs-code-color: #e685b5;
-                --bs-border-color: #495057;
-                --bs-border-color-translucent: rgba(255, 255, 255, 0.15);
-            }
-        }
-        """,
-    )
-
-
 # Configuration
 area = App.from_env()
 BASE_URL = os.getenv("BASE_URL", "http://localhost:8000")
@@ -697,7 +666,7 @@ class BillingPage(Component[AnyChildren, BillingPageAttrs]):
                     "@1.11.3/font/bootstrap-icons.min.css');",
                 ),
                 # Auto dark mode CSS (must come after Bootstrap)
-                create_auto_dark_mode_style(),
+                UI.create_auto_dark_mode_style(),
                 html.div(
                     html.div(
                         html.h1(
@@ -1019,7 +988,7 @@ class HomePage(Component[AnyChildren, HomePageAttrs]):
                     "@1.11.3/font/bootstrap-icons.min.css');",
                 ),
                 # Auto dark mode CSS (must come after Bootstrap)
-                create_auto_dark_mode_style(),
+                UI.create_auto_dark_mode_style(),
                 # Bootstrap container
                 html.div(
                     # Header