body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.chat-container {
    width: 400px;
    height: 500px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
}

.chat-box {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    border-bottom: 2px solid #eee;
}

.user-input {
    width: calc(100% - 80px);
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin: 10px;
    font-size: 14px;
}

.send-button {
    padding: 10px 20px;
    background-color: #5cb85c;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.send-button:hover {
    background-color: #4cae4c;
}

.bot-message {
    background-color: #e2e2e2;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.user-message {
    background-color: #5cb85c;
    color: white;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 10px;
    text-align: right;
}