diff --git a/.Jules/palette.md b/.Jules/palette.md
index 811f24d7d..ee34abeab 100644
--- a/.Jules/palette.md
+++ b/.Jules/palette.md
@@ -3,3 +3,7 @@
 ## 2024-06-25 - Sidebar list navigation accessibility
 **Learning:** Found that list-style navigation items (like the `ThreadSidebar`) used conditional background colors to indicate active states (`bg-[var(--color-accent-soft)]`), but completely lacked programmatic indicators for screen readers. This pattern is likely present in other custom sidebar lists.
 **Action:** Always add `aria-current="true"` (or `"page"` if it's a full page navigation) alongside visual "active" states in list selections to ensure state is announced to screen readers.
+
+## 2024-10-24 - Added Focus Styles to Button component
+**Learning:** The main `Button` component in `apps/web/src/components/ui/Button.tsx` lacked keyboard focus styles (`focus-visible:`). This makes keyboard navigation difficult as users cannot tell which button is currently focused.
+**Action:** Always ensure that base UI interactive components like Buttons have `focus-visible` styles using the app's accent color (`focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-[var(--color-accent)]`).
diff --git a/apps/web/src/components/ui/Button.tsx b/apps/web/src/components/ui/Button.tsx
index e5841d65d..dc43b5f9b 100644
--- a/apps/web/src/components/ui/Button.tsx
+++ b/apps/web/src/components/ui/Button.tsx
@@ -65,7 +65,7 @@ export function Button({
   title,
 }: Props) {
   const cls = cn(
-    'inline-flex cursor-pointer items-center justify-center gap-2 font-medium tracking-tight transition-[filter,background-color,color,opacity,box-shadow] duration-200 ease-out disabled:pointer-events-none disabled:opacity-50',
+    'inline-flex cursor-pointer items-center justify-center gap-2 font-medium tracking-tight transition-[filter,background-color,color,opacity,box-shadow] duration-200 ease-out disabled:pointer-events-none disabled:opacity-50 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-[var(--color-accent)]',
     variants[variant],
     sizes[size],
     className,
diff --git a/apps/web/src/components/ui/Switch.tsx b/apps/web/src/components/ui/Switch.tsx
index 3582f1f5f..cc77262bb 100644
--- a/apps/web/src/components/ui/Switch.tsx
+++ b/apps/web/src/components/ui/Switch.tsx
@@ -17,7 +17,7 @@ export function Switch({ checked, disabled, label, onToggle }: Props) {
         e.stopPropagation();
         onToggle();
       }}
-      class={`relative inline-flex h-6 w-11 shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 focus:outline-none focus:ring-2 focus:ring-[var(--color-accent)] focus:ring-offset-2 focus:ring-offset-[var(--color-bg)] disabled:cursor-not-allowed disabled:opacity-50 ${
+      class={`relative inline-flex h-6 w-11 shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[var(--color-accent)] focus-visible:ring-offset-2 focus-visible:ring-offset-[var(--color-bg)] disabled:cursor-not-allowed disabled:opacity-50 ${
         checked ? 'bg-[var(--color-accent)]' : 'bg-[var(--color-line)]'
       }`}
     >