body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.chat-container {
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 1100px;
    max-width: 100%;
    padding: 20px;
}

.chat-box {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    padding: 10px;
}

.message {
    margin: 10px 0;
}

.user {
    text-align: right;
    color: blue;
}

.bot {
    text-align: left;
    color: green;
}

input[type="text"] {
    width: calc(100% - 60px);
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

button {
    padding: 10px;
    border: none;
    background-color: #28a745;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #218838;
}