.skb-qr,.skb-qr *,.skb-qr :before,.skb-qr :after{box-sizing:border-box;margin:0;padding:0}.skb-qr{--indigo:#4f46e5;--radius:16px;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:DM Sans,system-ui,sans-serif}.skb-qr .app{grid-template-columns:1fr 380px;align-items:start;gap:28px;max-width:980px;margin:0 auto;padding:40px 24px 80px;display:grid}@media (width<=760px){.skb-qr .app{grid-template-columns:1fr;padding:24px 16px 60px}.skb-qr .preview-col{order:-1}}.skb-qr .header{border-bottom:1px solid var(--border);grid-column:1/-1;margin-bottom:4px;padding-bottom:28px}.skb-qr .brand{color:var(--muted);letter-spacing:.04em;align-items:center;gap:10px;margin-bottom:16px;font-family:Syne,sans-serif;font-size:13px;font-weight:700;display:flex}.skb-qr .brand-dot{background:linear-gradient(135deg, var(--accent), var(--indigo));border-radius:50%;width:8px;height:8px;box-shadow:0 0 10px #2563eb80}.skb-qr h1{margin-bottom:6px;font-family:Syne,sans-serif;font-size:clamp(24px,4vw,36px);font-weight:800;line-height:1.1}.skb-qr .subtitle{color:var(--muted);font-size:14px;line-height:1.6}.skb-qr .controls{flex-direction:column;gap:18px;display:flex}.skb-qr .section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px}.skb-qr .section-title{letter-spacing:.16em;text-transform:uppercase;color:var(--muted);align-items:center;gap:8px;margin-bottom:14px;font-family:Syne,sans-serif;font-size:11px;font-weight:700;display:flex}.skb-qr .section-title:before{content:"";background:linear-gradient(180deg, var(--accent), var(--indigo));border-radius:2px;width:3px;height:12px}.skb-qr .field{margin-bottom:12px}.skb-qr .field:last-child{margin-bottom:0}.skb-qr label{color:var(--muted);margin-bottom:6px;font-size:12px;font-weight:500;display:block}.skb-qr input[type=text],.skb-qr input[type=url],.skb-qr input[type=number],.skb-qr select{background:var(--surface-2);border:1px solid var(--border);width:100%;color:var(--text);border-radius:10px;outline:none;padding:10px 14px;font-family:inherit;font-size:13.5px;transition:border-color .2s}.skb-qr input:focus,.skb-qr select:focus{border-color:var(--accent)}.skb-qr input:focus-visible,.skb-qr select:focus-visible,.skb-qr button:focus-visible{outline:2px solid var(--accent-light);outline-offset:2px}.skb-qr input[type=color]{border:1px solid var(--border);background:var(--surface-2);cursor:pointer;border-radius:8px;width:40px;height:32px;padding:2px 4px}.skb-qr .row{align-items:center;gap:10px;display:flex}.skb-qr .row input[type=text],.skb-qr .row input[type=url]{flex:1}.skb-qr .presets{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.skb-qr .preset{border:1px solid var(--border);background:var(--surface-2);color:var(--muted);cursor:pointer;white-space:nowrap;border-radius:50px;padding:7px 13px;font-family:inherit;font-size:12px;transition:all .2s}.skb-qr .preset:hover{color:var(--text);border-color:var(--accent)}.skb-qr .preset.active{background:var(--accent);color:#fff;border-color:var(--accent)}.skb-qr .dot-styles{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.skb-qr .dot-opt{border:1px solid var(--border);background:var(--surface-2);text-align:center;cursor:pointer;color:inherit;border-radius:10px;width:100%;padding:10px 6px;font-family:inherit;transition:all .2s}.skb-qr .dot-opt:hover{border-color:var(--accent)}.skb-qr .dot-opt.active{border-color:var(--accent);background:#2563eb1f}.skb-qr .dot-opt svg{width:32px;height:32px;margin:0 auto 5px;display:block}.skb-qr .dot-opt span{color:var(--muted);font-size:10.5px}.skb-qr .dot-opt.active span{color:var(--accent-light)}.skb-qr .corner-styles{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.skb-qr .corner-opt{border:1px solid var(--border);background:var(--surface-2);text-align:center;cursor:pointer;border-radius:10px;padding:10px 6px;transition:all .2s}.skb-qr .corner-opt:hover{border-color:var(--accent)}.skb-qr .corner-opt.active{border-color:var(--accent);background:#2563eb1f}.skb-qr .corner-opt canvas{margin:0 auto 5px;display:block}.skb-qr .corner-opt span{color:var(--muted);font-size:10.5px}.skb-qr .logo-upload{border:1.5px dashed var(--border);text-align:center;cursor:pointer;border-radius:10px;padding:16px;transition:border-color .2s,background .2s;position:relative}.skb-qr .logo-upload:hover{border-color:var(--accent);background:#2563eb0a}.skb-qr .logo-upload:has(input:focus-visible){border-color:var(--accent);outline:2px solid var(--accent-light);outline-offset:2px}.skb-qr .logo-upload input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.skb-qr .logo-upload-label{color:var(--muted);margin-bottom:0;font-size:13px}.skb-qr .logo-upload-label strong{color:var(--accent-light)}.skb-qr .logo-preview{object-fit:contain;border-radius:6px;max-width:120px;max-height:48px;margin-top:8px}.skb-qr .logo-clear{color:#f87171;cursor:pointer;background:0 0;border:none;margin-top:8px;padding:6px 8px;font-family:inherit;font-size:11px;text-decoration:underline}.skb-qr .preview-col{flex-direction:column;align-items:center;gap:16px;display:flex;position:sticky;top:24px}.skb-qr .preview-card{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:20px;width:100%;padding:28px 24px}.skb-qr .preview-title{letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:20px;font-family:Syne,sans-serif;font-size:11px;font-weight:700}.skb-qr #qr-wrap{background:#fff;border-radius:16px;max-width:100%;margin-bottom:16px;padding:18px;display:inline-block;box-shadow:0 20px 60px -15px #00000080}.skb-qr #qr-wrap canvas{border-radius:8px;max-width:100%;height:auto;display:block}.skb-qr .preview-url{color:var(--faint);word-break:break-all;max-width:280px;margin:0 auto;font-size:11px}.skb-qr .dl-btns{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.skb-qr .btn{cursor:pointer;border:none;border-radius:10px;align-items:center;gap:7px;padding:10px 20px;font-family:inherit;font-size:13.5px;font-weight:500;text-decoration:none;transition:transform .15s,background .2s;display:flex}.skb-qr .btn:active{transform:scale(.97)}.skb-qr .btn-primary{background:var(--accent);color:#fff}.skb-qr .btn-primary:hover{background:#1d4ed8}.skb-qr .btn-ghost{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.skb-qr .btn-ghost:hover{border-color:var(--accent)}.skb-qr .size-row{align-items:center;gap:10px;display:flex}.skb-qr .size-row input[type=range]{accent-color:var(--accent);flex:1}.skb-qr .size-val{color:var(--accent-light);text-align:right;width:44px;font-family:Syne,sans-serif;font-size:13px;font-weight:700}.skb-qr .color-row{align-items:center;gap:10px;display:flex}.skb-qr .color-row label{cursor:pointer;color:var(--text-2);flex:1;align-items:center;gap:8px;font-size:13px;display:flex}.skb-qr .color-row label span{color:var(--muted);font-size:12px}.skb-qr .tip{color:var(--muted);background:#2563eb14;border:1px solid #2563eb26;border-radius:10px;padding:10px 14px;font-size:12px;line-height:1.55}.skb-qr .tip strong{color:var(--accent-light)}.skb-qr input[type=range]{width:100%}