body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    max-width: 900px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #444;
}

.chatbox {
    height: 400px;
    overflow-y: auto;
    border: 1px solid #ddd;
    padding: 10px;
    background: #fafafa;
    border-radius: 5px;
}

.message {
    margin: 10px 0;
    padding: 8px;
    border-radius: 5px;
}

.user {
    background: #0084ff;
    color: #fff;
    text-align: right;
}

.bot {
    background: #e1e1e1;
    color: #000;
}

.input-box {
    display: flex;
    margin-top: 10px;
}

input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}

button {
    padding: 10px 20px;
    border: none;
    background: #0084ff;
    color: #fff;
    cursor: pointer;
    border-radius: 5px;
    margin-left: 10px;
    font-size: 16px;
}

button:hover {
    background: #006fd6;
}