.ox-qr-preview { padding: 18px; }
.ox-qr-canvas { width: min(100%, 360px); height: auto; image-rendering: pixelated; background: #fff; }
.ox-qr-opts { margin: 14px 0; }
.ox-qr-opts summary { cursor: pointer; font-weight: 800; min-height: 44px; display: flex; align-items: center; }
.ox-qr-opts input[type=color] { padding: 2px; height: 44px; }
.ox-tool [hidden] { display: none !important; }