@keyframes claude-pulse {
        0%, 100% { opacity: 0.6; }
        50% { opacity: 1; }
      }
      #claude-agent-glow-border-inner {
        animation: claude-pulse 2s ease-in-out infinite;
      }
      @media (prefers-reduced-motion: reduce) {
        #claude-agent-glow-border-inner {
          animation: none;
        }
      }