
            max-width: 800px;
            margin: 0 auto;
            height: calc(100% - 100px);
        }

        .logo {
            text-align: center;
            margin-bottom: 40px;
        }

        .chat-container {
            border: 1px solid #333;
            padding: 20px;
            height: 90%;
            box-sizing: border-box;
            display: flex;
            flex-direction: column;
        }

        .chat-messages {
            flex-grow: 1;
            overflow-y: auto;
     