body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f7f9fc;
    color: #333;
}
/* Main Content */
.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}
h2 {
    font-size: 28px;
    margin-bottom: 20px;
}
textarea {
    width: 100%;
    height: 200px;
    font-family: monospace;
    font-size: 14px;
    padding: 10px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
    resize: vertical;
}
button {
    margin-top: 10px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    background-color: #007acc;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background-color: #005fa3;
}
.output {
    margin-top: 20px;
}
.output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.copy-button {
    padding: 5px 10px;
    font-size: 14px;
    font-weight: 500;
    color: #fff;
    background-color: #28a745;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.copy-button:hover {
    background-color: #218838;
}
pre {
    background-color: #f0f0f0;
    padding: 15px;
    border-radius: 4px;
    overflow-x: auto;
    font-size: 14px;
}
.error {
    color: #d8000c;
    background-color: #ffd2d2;
    padding: 10px;
    border-radius: 4px;
}