.qr{display:grid;grid-template-columns:minmax(0,1fr) 340px;grid-gap:20px;gap:20px;align-items:start}@media (max-width:820px){.qr{grid-template-columns:1fr}.qr-preview{order:-1}}.qr-tabs{display:flex;flex-wrap:wrap;gap:4px;padding:4px;border-radius:12px;background:var(--surface-2)}.qr-tabs button{flex:1 1 auto;border:0;background:transparent;color:var(--muted);padding:8px 12px;border-radius:9px;cursor:pointer;font-weight:600;font-size:14px;white-space:nowrap}.qr-tabs button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.qr-form,.qr-options{margin-top:12px;padding:16px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border)}.qr-form{grid-gap:12px}.qr-form,.qr-grid2{display:grid;gap:12px}.qr-grid2{grid-template-columns:1fr 1fr;grid-gap:12px}@media (max-width:520px){.qr-grid2{grid-template-columns:1fr}}.qr-field{display:flex;flex-direction:column;gap:6px;min-width:0}.qr-field>span:first-child{font-size:13px;font-weight:600;color:var(--muted);display:flex;justify-content:space-between}.qr-field output{color:var(--text);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.qr-field .input{width:100%}.qr-field textarea.input{resize:vertical;font:inherit}.qr-field input[type=range]{width:100%;accent-color:var(--accent)}.qr-check{display:flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}.qr-check input{accent-color:var(--accent);width:16px;height:16px}.qr-options summary{cursor:pointer;font-weight:600}.qr-opt-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:14px;gap:14px;margin-top:14px;align-items:end}.qr-color{display:flex;align-items:center;gap:8px}.qr-color input[type=color]{width:44px;height:36px;padding:2px;border:1px solid var(--border);border-radius:8px;background:var(--surface);cursor:pointer}.qr-color code{font-size:13px}.qr-preview{position:-webkit-sticky;position:sticky;top:72px;padding:16px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);display:flex;flex-direction:column;gap:10px}.qr-canvas{aspect-ratio:1;display:grid;place-items:center;border-radius:12px;background:var(--surface-2);overflow:hidden}.qr-canvas.checker{background:var(--checker)}.qr-canvas canvas{width:100%;height:100%;image-rendering:pixelated}.qr-empty{padding:24px;font-size:14px}.qr-empty,.qr-meta{margin:0;text-align:center;color:var(--muted)}.qr-meta{font-size:12px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.qr-warn{margin:0;font-size:13px;color:var(--danger)}.qr-actions{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.qr-actions .btn:last-child{grid-column:1/-1}.qr-actions .btn:disabled{opacity:.45;cursor:default}.qr-note{margin:0;font-size:12px;color:var(--muted);line-height:1.5}