        font-weight: 500;
            display: inline-block;
            margin-top: 5px;
            transition: all 0.3s;
        }

        .pref-link:hover {
            color: #f72585;
            text-decoration: underline;
        }

        .chat-history {
            padding: 20px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 20px;
            flex: 1;
            background: rgba(0, 0, 0, 0.15);
            scrollbar-width: none;
   