<div class="text-center py-5">
    <i class="fas fa-search fa-5x text-warning mb-4"></i>
    <h1 class="display-4">404</h1>
    <h4 class="text-muted mb-3">Page Not Found</h4>
    <p class="text-muted">The page you're looking for doesn't exist or has been moved.</p>
    <a href="/dashboard" class="btn btn-primary"><i class="fas fa-home me-1"></i>Back to Dashboard</a>
</div>