body {
        font-family: Arial, sans-serif;
        background: #f5f5f5;
        display: flex;
        justify-content: center;
        align-items: flex-start;
        min-height: 100vh;
        padding: 20px;
    }
    .container {
        background: #fff;
        padding: 20px;
        border-radius: 12px;
        box-shadow: 0px 0px 10px rgba(0,0,0,0.1);
        max-width: 700px;
        width: 100%;
    }
    textarea, button {
        width: 100%;
        padding: 10px;
        margin: 10px 0;
        border-radius: 6px;
        border: 1px solid #ccc;
        font-size: 16px;
    }
    button {
        cursor: pointer;
        background-color: #007BFF;
        color: #fff;
        border: none;
    }
    button:hover {
        background-color: #0056b3;
    }
    .output {
        margin-top: 15px;
        padding: 10px;
        background: #eee;
        border-radius: 6px;
        word-wrap: break-word;
        font-weight: bold;
        font-family: monospace;
    }
    .details {
        margin-top: 10px;
        padding: 10px;
        background: #ddd;
        border-radius: 6px;
        font-family: monospace;
        white-space: pre-wrap;
    }