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

.chat-container {
    width: 400px;
    max-width: 100%;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

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

.chat-messages {
    display: flex;
    flex-direction: column;
}

.chat-message {
    margin-bottom: 10px;
}

.user-message {
    align-self: flex-end;
    background-color: #dcf8c6;
    padding: 10px;
    border-radius: 10px;
    max-width: 70%;
}

.assistant-message {
    align-self: flex-start;
    background-color: #ececec;
    padding: 10px;
    border-radius: 10px;
    max-width: 70%;
}

.chat-input {
    display: flex;
    border-top: 1px solid #ddd;
}

.chat-input input {
    flex: 1;
    border: none;
    padding: 10px;
    font-size: 16px;
}

.chat-input button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
}

.chat-input button:hover {
    background-color: #45a049;
}