body {
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

#chat-container {
    width: 400px;
    height: 600px;
    display: flex;
    flex-direction: column;
    border: 1px solid #ccc;
    border-radius: 8px;
    overflow: hidden;
    background-color: #fff;
}

#chat-messages {
    flex-grow: 1;
    padding: 10px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.message {
    margin-bottom: 10px;
    padding: 8px 12px;
    border-radius: 18px;
    max-width: 70%;
    word-wrap: break-word;
}

.user-message {
    background-color: #007bff;
    color: white;
    align-self: flex-end;
}

.assistant-message {
    background-color: #e9e9eb;
    color: black;
    align-self: flex-start;
}

#chat-form {
    display: flex;
    padding: 10px;
    border-top: 1px solid #ccc;
}

#chat-input {
    flex-grow: 1;
    border: 1px solid #ccc;
    border-radius: 18px;
    padding: 8px 12px;
    font-size: 1em;
}

#chat-form button {
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 18px;
    padding: 8px 15px;
    margin-left: 10px;
    cursor: pointer;
}