body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
}

textarea {
    width: 100%;
    min-height: 200px;
    font-size: 16px;
    padding: 10px;
    margin-bottom: 10px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}

.result-area {
    margin-top: 20px;
}

.result-text {
    white-space: pre-wrap;
    word-wrap: break-word;
    background: #eee;
    padding: 10px;
    border-radius: 4px;
}