diff --git a/frontend/public/favicon.svg b/frontend/public/favicon.svg
index 6893eb1..e397a02 100644
--- a/frontend/public/favicon.svg
+++ b/frontend/public/favicon.svg
@@ -1 +1 @@
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\ No newline at end of file
+<svg xmlns="http://www.w3.org/2000/svg" width="64" height="64" viewBox="0 0 24 24" fill="none" stroke="#1FBE8A" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-globe-lock-icon lucide-globe-lock"><path d="M15.686 15A14.5 14.5 0 0 1 12 22a14.5 14.5 0 0 1 0-20 10 10 0 1 0 9.542 13"/><path d="M2 12h8.5"/><path d="M20 6V4a2 2 0 1 0-4 0v2"/><rect width="8" height="5" x="14" y="6" rx="1"/></svg>
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diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index d59a0a4..a27f6ba 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -3,7 +3,7 @@
     <header class="bg-surface border-b border-border-subtle shadow-sm relative z-10">
       <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 h-16 flex items-center justify-between">
         <div class="flex items-center space-x-3">
-          <div class="w-8 h-8 rounded-full bg-accent flex items-center justify-center font-bold text-bg shadow-lg border border-accent/80">N</div>
+          <img src="/favicon.svg" alt="Nucleus Logo" class="w-8 h-8 drop-shadow-md" />
           <h1 class="text-xl font-bold text-heading">Nucleus</h1>
         </div>
         <nav class="flex space-x-4">