body-EB {
            font-family: Arial, sans-serif;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
            background-color: #f0f0f0;
        }

        #chat-container {
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
            padding: 20px;
        }

        #chat-history {
            height: 500px;
            overflow-y: auto;
            margin-bottom: 20px;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 5px;
        }

        .message {
            margin: 10px 0;
            padding: 10px;
            border-radius: 5px;
        }

        .user-message {
            background-color: #e3f2fd;
            margin-left: 20%;
        }

        .assistant-message {
            background-color: #f5f5f5;
            margin-right: 20%;
        }

        #input-container {
            display: flex;
            gap: 10px;
        }

        #user-input {
            flex-grow: 1;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 5px;
        }

        button {
            padding: 10px 20px;
            background-color: #007bff;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }

        button:hover {
            background-color: #0056b3;
        }

        .loading {
            color: #666;
            font-style: italic;
        }