.qr-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}@media(max-width:640px){.qr-layout{grid-template-columns:1fr}}.qr-controls{display:flex;flex-direction:column;gap:16px}.qr-opts{display:flex;gap:12px}.qr-opts .field{flex:1}.qr-opts .lang-sel{margin-left:0;width:100%;padding:10px 12px;font-size:14px}.qr-actions{display:flex;gap:10px}.qr-actions .btn{flex:1}.qr-note{margin:0;font-size:12px;color:var(--muted)}.qr-preview{display:flex;align-items:center;justify-content:center;min-height:240px;padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:16px}.qr-canvas{max-width:100%;height:auto;border-radius:8px;background:#fff}.qr-ph{color:var(--muted);font-size:14px;text-align:center}.qr-err{color:#ff8a8a;font-size:14px;text-align:center;line-height:1.5}