.chat-bubble {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            z-index: 999;
            background: linear-gradient(135deg, #00c36e, #00995c);
        }

        .chat-bubble img {
            width: 80%;
            height: 80%;
            object-fit: contain;
            border-radius: 50%;
            filter: brightness(0) invert(1);
        }

        .chat-bubble:hover {
            transform: scale(1.15);
            box-shadow: 0 8px 18px rgba(0, 0, 0, 0.3);
        }

        /* Small label next to bubble */
        .chat-label {
            position: fixed;
            bottom: 35px;
            right: 100px;
            background: #39433b;
            color: #fff;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
            white-space: nowrap;
            z-index: 998;
            animation: pulseSlide 2s ease-in-out infinite;
            transform-origin: right center;
        }

        /* Combination animation: slide in, pulse, and subtle bounce */
        @keyframes pulseSlide {
            0% {
                transform: translateX(0) scale(1);
                box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
            }
            25% {
                transform: translateX(-5px) scale(1.05);
                box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            }
            50% {
                transform: translateX(0) scale(1);
                box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
            }
            75% {
                transform: translateX(-3px) scale(1.02);
                box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
            }
            100% {
                transform: translateX(0) scale(1);
                box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
            }
        }

        /* Chat window */
        .chat-window {
            position: fixed;
            bottom: 100px;
            right: 20px;
            width: 600px;
            height: 700px;
            background: #fff;
            border: 1px solid #ddd;
            border-radius: 16px;
            display: none;
            flex-direction: column;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
            z-index: 1000;
            overflow: hidden;
            animation: slideUp 0.3s ease-out;
        }

        @keyframes slideUp {
            from {
                transform: translateY(30px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .chat-header {
            background: linear-gradient(135deg, #00c36e, #00995c);
            color: white;
            padding: 14px 20px;
            border-radius: 16px 16px 0 0;
            font-weight: bold;
            font-size: 1.1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .close-btn {
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
            transition: transform 0.2s;
        }

        .close-btn:hover {
            transform: scale(1.2);
        }

        .chat-body {
            padding: 15px;
            flex: 1;
            overflow-y: auto;
            font-size: 1rem;
            background: #f9f9f9;
            display: flex;
            flex-direction: column;
        }

        .chat-body::-webkit-scrollbar {
            width: 6px;
        }

        .chat-body::-webkit-scrollbar-thumb {
            background: #ccc;
            border-radius: 3px;
        }

        .chat-body p {
            margin-bottom: 10px;
            padding: 10px 14px;
            border-radius: 12px;
            max-width: 75%;
            word-wrap: break-word;
            animation: messageSlide 0.3s ease-out;
        }

        @keyframes messageSlide {
            from {
                transform: translateY(10px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .chat-body p.user {
            background: #c2c8ce;
            color: rgb(3, 0, 0);
            align-self: flex-start;
            margin-left: auto;
            border-bottom-right-radius: 4px;
        }

        .chat-body p.bot {
            background: #e9ecef;
            color: #333;
            align-self: flex-start;
            border-bottom-left-radius: 4px;
        }

        .chat-body p.bot a {
            color: #00c36e;
            font-weight: 600;
            text-decoration: none;
        }

        .chat-body p.bot a:hover {
            text-decoration: underline;
        }

        .chat-input-container {
            display: flex;
            border-top: 1px solid #ddd;
            background: white;
        }

        .chat-window input {
            border: none;
            padding: 12px 15px;
            outline: none;
            font-size: 1rem;
            flex: 1;
            background: transparent;
        }

        .chat-window input::placeholder {
            color: #999;
        }

        /* Send button */
        .send-btn {
            width: 45px;
            height: 45px;
            border: none;
            border-radius: 50%;
            background: #39433b;
            color: #fff;
            font-size: 18px;
            margin: 5px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .send-btn:hover {
            background: #4caf50;
            transform: scale(1.1);
        }

        .send-btn:active {
            transform: scale(0.95);
        }

        /* Typing indicator */
        .typing-indicator {
            display: none;
            padding: 10px 14px;
            background: #e9ecef;
            border-radius: 12px;
            margin-bottom: 10px;
            max-width: 60px;
        }

        .typing-indicator span {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #999;
            margin: 0 2px;
            animation: typing 1.4s infinite;
        }

        .typing-indicator span:nth-child(2) {
            animation-delay: 0.2s;
        }

        .typing-indicator span:nth-child(3) {
            animation-delay: 0.4s;
        }

        @keyframes typing {
            0%, 60%, 100% {
                transform: translateY(0);
            }
            30% {
                transform: translateY(-10px);
            }
        }

        /* Responsive */
        @media (max-width: 500px) {
            .chat-window {
                width: 90%;
                right: 5%;
                bottom: 80px;
                height: 450px;
            }

            .chat-label {
                right: 95px;
                font-size: 0.8rem;
            }
        }