Fix issue where global <a> styles applied to some native starlight styles. (#4795)

Author: josh-padnick

docs-starlight/src/styles/global.css

@@ -398,14 +398,14 @@
   }
 
   /* Global link styling - apply Starlight's link styles everywhere except in sl-markdown-content */
-  a:not(.sl-markdown-content a, .primary-button, .secondary-button) {
+  a:not(.sl-markdown-content a, #starlight__sidebar a, starlight-toc a, .primary-button, .secondary-button) {
     color: var(--color-accent-1);
     text-decoration: underline;
     text-decoration-color: var(--color-accent-1);
     transition: color 0.2s ease, text-decoration-color 0.2s ease;
   }
 
-  a:not(.sl-markdown-content a, .primary-button, .secondary-button):hover {
+  a:not(.sl-markdown-content a, #starlight__sidebar a, starlight-toc a, .primary-button, .secondary-button):hover {
     color: var(--sl-color-accent);
     text-decoration-color: var(--sl-color-accent);
   }