.chat-window {
    border: 1px solid #ccc;
    border-radius: 10px;
    padding: 15px;
    background: #f9f9f9;
    max-width: 600px;
    margin: 20px auto;
    display: flex;
    flex-direction: column;
}
.chat-messages {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 10px;
}
.chat-messages div {
    margin-bottom: 6px;
}
.chat-input {
    display: flex;
    gap: 10px;
}
#user-message {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
}
#send-message, #start-chat {
    background: #0073aa;
    color: #fff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
}
#chat-user-info {
    background: #eef2f5;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}
#chat-user-info input {
    margin: 5px 0;
    padding: 10px;
    width: 80%;
    border: 1px solid #ccc;
}