body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f4f4f4;
}

.container {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 80%;
    max-width: 600px;
}

h1 {
    text-align: center;
    color: #333;
}

textarea {
    width: 100%;
    height: 150px;
    margin-bottom: 10px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: vertical;
}

button {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #5cb85c;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

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

#result {
    margin-top: 20px;
}

#result input {
    width: 100%;
    padding: 5px;
    margin-bottom: 10px;
}


#replyForm {
    margin-top: 20px;
    border-top: 1px solid #ddd;
    padding-top: 20px;
}

#replyMessage {
    width: 100%;
    height: 100px;
    margin-bottom: 10px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: vertical;
}

#sendReply {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #5cb85c;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#sendReply:hover {
    background-color: #4cae4c;
}

#replyResult {
    margin-top: 20px;
}

#replyResult input {
    width: 100%;
    padding: 5px;
    margin-bottom: 10px;
}