body {
        font-family: sans-serif;
    }

    #chat-container {
        position: fixed;
        bottom: 80px;
        right: 20px;
        width: 350px;
        height: 500px;
        border: 1px solid #ccc;
        border-radius: 10px;
        display: none;
        flex-direction: column;
        background-color: white;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }

    #chat-history {
        flex-grow: 1;
        padding: 10px;
        overflow-y: auto;
        border-bottom: 1px solid #ccc;
    }

    #chat-input-area {
        display: flex;
        padding: 10px;
    }

    #chat-input {
        flex-grow: 1;
        border: 1px solid #ccc;
        border-radius: 5px;
        padding: 8px;
    }

    #send-button {
        margin-left: 10px;
        padding: 8px 15px;
        border: none;
        background-color: #007bff;
        color: white;
        border-radius: 5px;
        cursor: pointer;
    }

    #floating-button {
        position: fixed;
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        background-color: #007bff;
        color: white;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 24px;
        cursor: pointer;
        box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }