.qr-controls{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px}.qr-sheet{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px}.qr-card{padding:16px;text-align:center;break-inside:avoid}.qr-card canvas{max-width:100%;height:auto}.qr-label{font-weight:700;margin-top:8px;overflow-wrap:anywhere}.qr-url{font-size:.82rem;color:#697386;overflow-wrap:anywhere}@media(max-width:800px){.qr-controls{grid-template-columns:1fr}.qr-sheet{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.qr-sheet{grid-template-columns:1fr}}@media print{header,.hero,.tool-actions,.form-row,.section-intro,.footer,#faq{display:none!important}.section{padding:0}.card{box-shadow:none}.qr-sheet{gap:10mm}.qr-card{border:1px solid #ddd}.qr-url{font-size:9pt}}