    <style>
        /* WhatsApp Floating Button */
        .whatsapp-button {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background-color: #25D366;
            color: white;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 28px;
            cursor: pointer;
            box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
            z-index: 1000;
            transition: background 0.3s ease;
        }

        .whatsapp-button:hover {
            background-color: #1ebd5a;
        }

        /* Chat Box */
        .chat-box {
            position: fixed;
            bottom: 90px;
            right: 20px;
            width: 300px;
            background: white;
            border-radius: 10px;
            box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
            display: none;
            flex-direction: column;
            overflow: hidden;
        }

        /* Chat Header */
        .chat-header {
            background: #25D366;
            color: white;
            padding: 10px;
            text-align: center;
            font-weight: bold;
            font-size: 16px;
            position: relative;
        }

        .close-btn {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: white;
            font-size: 18px;
            cursor: pointer;
        }

        /* Chat Messages */
        .chat-body {
            padding: 10px;
            height: 200px;
            overflow-y: auto;
            background: #f5f5f5;
        }

        .chat-message {
            background: #DCF8C6;
            padding: 8px;
            border-radius: 5px;
            margin: 5px 0;
            font-size: 14px;
            width: fit-content;
            max-width: 80%;
        }

        /* Chat Input Area */
        .chat-footer {
            display: flex;
            align-items: center;
            padding: 5px;
            background: white;
            border-top: 1px solid #ddd;
        }

        .chat-footer input {
            flex: 1;
            padding: 8px;
            border: none;
            outline: none;
            font-size: 14px;
            border-radius: 5px;
            background: #f0f0f0;
        }

        .chat-footer button {
            background: #25D366;
            color: white;
            border: none;
            padding: 8px 12px;
            font-size: 16px;
            margin-left: 5px;
            cursor: pointer;
            border-radius: 5px;
        }

        .chat-footer button:hover {
            background: #1ebd5a;
        }

        /* Responsive Design */
        @media (max-width: 400px) {
            .chat-box {
                width: 90%;
                right: 5%;
            }
        }
    </style>
