.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}.qr-preview{display:grid;place-items:center;border:1px solid var(--yk-line);border-radius:22px;background:rgba(255,255,255,.6);padding:18px;margin-bottom:14px}.qr-preview canvas{width:min(100%,420px);height:auto;border-radius:12px}@media(max-width:620px){.two-col{grid-template-columns:1fr}}