    @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

        body {
            font-family: 'Inter', sans-serif;
        }

        .fade-in {
            animation: fadeIn 0.8s ease-in-out;
        }

        .slide-up {
            animation: slideUp 0.4s ease-out;
        }

        .pulse {
            animation: pulse 2s infinite;
        }

        .typing-indicator {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            background: #f3f4f6;
            border-radius: 20px;
        }

        .typing-indicator span {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: #9ca3af;
            animation: typing 1.4s infinite ease-in-out;
        }

        .typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
        .typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes slideUp {
            from { transform: translateY(10px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        @keyframes typing {
            0%, 60%, 100% { transform: translateY(0); }
            30% { transform: translateY(-5px); }
        }

        .message-bubble {
            max-width: 85%;
            border-radius: 18px;
            padding: 12px 16px;
            margin-bottom: 16px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .user-message {
            background: linear-gradient(135deg, #10b981, #059669);
            color: white;
            margin-left: auto;
            border-bottom-right-radius: 6px;
        }

        .bot-message {
            background: white;
            color: #1f2937;
            margin-right: auto;
            border-bottom-left-radius: 6px;
            border: 1px solid #e5e7eb;
        }

        .chat-box {
            scroll-behavior: smooth;
        }

        .chat-box::-webkit-scrollbar {
            width: 6px;
        }

        .chat-box::-webkit-scrollbar-track {
            background: #f1f1f1;
            border-radius: 10px;
        }

        .chat-box::-webkit-scrollbar-thumb {
            background: #c5c5c5;
            border-radius: 10px;
        }

        .chat-box::-webkit-scrollbar-thumb:hover {
            background: #a8a8a8;
        }

        .quick-btn {
            background: white;
            border: 1px solid #10b981;
            color: #059669;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .quick-btn:hover {
            background: #10b981;
            color: white;
            transform: translateY(-1px);
        }

        .send-btn:hover {
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
        }

        @media (max-width: 768px) {
            .message-bubble {
                max-width: 90%;
            }
            
            .chat-box {
                height: 60vh;
            }
        }
