/* Chat UI Styles */
        .ai-message { animation: fadeInUp 0.3s ease-out; }
        .typing-dot { animation: typing 1.4s infinite ease-in-out both; }
        .typing-dot:nth-child(1) { animation-delay: -0.32s; }
        .typing-dot:nth-child(2) { animation-delay: -0.16s; }
        @keyframes typing { 0%, 80%, 100% { transform: scale(0); } 40% { transform: scale(1); } }