diff --git a/src/index.css b/src/index.css
index a7869a0..fc80a36 100644
--- a/src/index.css
+++ b/src/index.css
@@ -44,6 +44,19 @@
   --pc-separator: rgba(255,255,255,0.05);
 }
 
+/* Global focus-visible ring for keyboard navigation (a11y).
+   Elements with Tailwind focus:ring-* already handle their own styling,
+   so we target elements that don't have explicit ring classes. */
+:focus-visible {
+  outline: 2px solid var(--pc-accent-dim);
+  outline-offset: 2px;
+}
+
+/* Remove default outline for mouse/touch users */
+:focus:not(:focus-visible) {
+  outline: none;
+}
+
 * {
   scrollbar-width: thin;
   scrollbar-color: var(--pc-scrollbar-thumb) var(--pc-scrollbar-track);