.lev-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem 1rem;margin:1rem 0;display:grid}.lev-grid label{grid-template-columns:1fr auto;gap:.35rem;font-weight:600;display:grid}.lev-grid input{grid-column:1/-1;width:100%}.lev-grid output{color:var(--accent);font-variant-numeric:tabular-nums}@media (width<=620px){.lev-grid{grid-template-columns:1fr}}.lev-advanced{border:1px solid var(--border);border-radius:10px;margin:.5rem 0 1rem;padding:.65rem .8rem}.lev-advanced summary{cursor:pointer;font-weight:700}.sample-btn[aria-pressed=true]{outline:2px solid var(--accent);outline-offset:1px}