body {
            font-family: Arial, sans-serif;
            background: #1e1e1e;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            color: white;
        }
        .container {
            width: 480px;
            background: #2b2b2b;
            border-radius: 12px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.6);
            padding: 20px;
            text-align: center;
        }

        h2 {
            margin-bottom: 10px;
        }

        #chatbox {
            height: 320px;
            overflow-y: auto;
            border: 1px solid #444;
            padding: 10px;
            margin-bottom: 15px;
            background: #1e1e1e;
            border-radius: 8px;
            text-align: left;
        }

        .message {
            display: flex;
            margin: 8px 0;
        }

        .user {
            justify-content: flex-end;
        }

        .user span {
            background: #4da3ff;
            padding: 8px 12px;
            border-radius: 10px;
        }

        .bot span {
            background: #444;
            padding: 8px 12px;
            border-radius: 10px;
        }

        .buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
        }

        button {
            padding: 8px 12px;
            border: none;
            border-radius: 6px;
            background: #4da3ff;
            color: white;
            cursor: pointer;
            font-size: 13px;
        }

        button:hover {
            background: #2c7be5;
        }

        .clearBtn {
            margin-top: 10px;
            background: #ff5757;
        }

        .clearBtn:hover {
            background: #e04848;
        }

        .logo {
            margin-bottom: 8px;
        }