body {
    font-family: ui-sans-serif, system-ui;
    padding: 24px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 12px 0;
}

button {
    padding: 10px 14px;
    cursor: pointer;
}

pre {
    background: #111;
    color: #ddd;
    padding: 12px;
    border-radius: 8px;
    overflow: auto;
    min-height: 140px;
}