body {
    font-family: Arial, sans-serif;
    background-color: #f0e6ff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.chat-container {
    width: 80%;
    max-width: 600px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.chat-header {
    background-color: #d4b3ff;
    color: #fff;
    padding: 20px;
    text-align: center;
}

.chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: 20px;
}

.message {
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 5px;
}

.user-message {
    background-color: #e6f2ff;
    text-align: right;
}

.assistant-message {
    background-color: #f2e6ff;
}

.chat-input {
    display: flex;
    padding: 20px;
}

#user-input {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #d4b3ff;
    border-radius: 5px 0 0 5px;
}

#send-button {
    padding: 10px 20px;
    background-color: #d4b3ff;
    color: #fff;
    border: none;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
}