/* QR studio. Uses the shared --ink/--muted/--line/--paper/--white/--blue tokens so dark mode follows the site. */
.qs-page{max-width:1320px}
.qs-visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.qs-heading h1{font-size:clamp(28px,4vw,42px);line-height:1.25;margin:8px 0 12px}
.qs-family{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 18px}
.qs-family a{font-size:14px;line-height:1.4;border:1px solid var(--line);background:var(--white);border-radius:999px;padding:8px 14px;color:var(--ink);text-decoration:none}
.qs-family a[aria-current=page]{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.qs-callout{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:12px;background:var(--white);padding:14px 16px;margin:0 0 18px}
.qs-callout b{color:var(--ink)}.qs-callout span{flex:1 1 320px;color:var(--muted);font-size:15px}
.qs-button{display:inline-block;background:var(--blue);color:#fff!important;border-radius:10px;padding:9px 14px;text-decoration:none;font-weight:600}
.qs-workbench{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);border:1px solid var(--line);border-radius:18px;background:var(--white);overflow:hidden;box-shadow:0 14px 42px rgba(23,42,71,.06)}
.qs-form{padding:22px 24px;border-right:1px solid var(--line);min-width:0}
.qs-sub{margin:16px 0 8px;font-weight:700;color:var(--ink);font-size:15px}
.qs-form>.qs-sub:first-child{margin-top:0}
.qs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px;margin-bottom:12px}
.qs-type[hidden]{display:none}
.qs-field{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted);min-width:0;margin-bottom:12px}
.qs-grid .qs-field{margin-bottom:0}
.qs-field small{font-size:12px;line-height:1.45}
.qs-field input,.qs-field select,.qs-field textarea{width:100%;min-height:44px;border:1px solid var(--line);border-radius:10px;padding:8px 11px;font:inherit;font-size:16px;color:var(--ink);background:var(--white);box-sizing:border-box;min-width:0}
.qs-field textarea{resize:vertical}
#qs-bulk{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px}
.qs-field input[type=color]{padding:4px;height:44px;cursor:pointer}
.qs-field input[type=range]{padding:0;border:0;min-height:44px;accent-color:var(--blue)}
.qs-field input[type=file]{padding:9px 8px;font-size:14px}
.qs-field input:focus,.qs-field select:focus,.qs-field textarea:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
.qs-field input:disabled{opacity:.45;cursor:not-allowed}
.qs-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}
.qs-chips label{position:relative}.qs-chips input{position:absolute;opacity:0;pointer-events:none}
.qs-chips span{display:block;padding:8px 13px;border:1px solid var(--line);border-radius:999px;font-size:14px;cursor:pointer;color:var(--ink);background:var(--white);line-height:1.3}
.qs-chips input:checked+span{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.qs-chips input:focus-visible+span{outline:2px solid var(--blue);outline-offset:2px}
.qs-check{display:flex;gap:8px;align-items:flex-start;margin:4px 0 8px;font-size:14px;color:var(--muted);cursor:pointer}.qs-check input{width:18px;height:18px;margin-top:1px;accent-color:var(--blue)}
.qs-design{margin-top:18px;border-top:1px solid var(--line);padding-top:12px}
.qs-design summary{cursor:pointer;font-weight:700;font-size:16px;color:var(--ink);padding:4px 0}
.qs-link{background:none;border:0;padding:0;color:var(--blue);font:inherit;font-size:14px;cursor:pointer;text-decoration:underline;margin:-4px 0 8px}
.qs-output{padding:22px 24px;background:var(--paper);min-width:0;position:relative}
.qs-output>*{max-width:460px;margin-left:auto;margin-right:auto}
.qs-preview{position:sticky;top:84px;background:repeating-conic-gradient(rgba(127,127,127,.12) 0 25%,transparent 0 50%) 0 0/16px 16px;border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;align-items:center;justify-content:center;min-height:260px}
.qs-preview svg{width:100%;height:auto;max-width:400px;display:block}
.qs-preview.is-empty{background:var(--white)}
.qs-error{background:#fdecec;color:#a42323;border:1px solid #f2c2c2;border-radius:10px;padding:10px 12px;margin:12px auto 0;font-size:15px}
.qs-warnings{list-style:none;padding:0;margin:12px auto 0}
.qs-warnings li{background:#fff7e6;color:#7a4b00;border:1px solid #f3d9a4;border-radius:10px;padding:8px 12px;margin-bottom:6px;font-size:14px;line-height:1.5}
.qs-scan{border-radius:10px;padding:8px 12px;margin:12px auto 0;font-size:14px;line-height:1.5}
.qs-scan.is-ok{background:#e8f7ef;color:#14734f;border:1px solid #bfe6d2}.qs-scan.is-bad{background:#fdecec;color:#a42323;border:1px solid #f2c2c2}
.qs-meta{font-size:13px;color:var(--muted);margin:10px auto 0;font-variant-numeric:tabular-nums}
.qs-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.qs-actions button,.qs-size select{min-height:42px;border:1px solid var(--line);border-radius:10px;padding:8px 14px;font:inherit;font-size:15px;background:var(--white);color:var(--ink);cursor:pointer}
.qs-actions button.primary{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.qs-actions button:disabled{opacity:.55;cursor:progress}
.qs-toast{margin:10px auto 0;font-size:14px;color:#14734f}
.qs-table-wrap{position:relative;overflow-x:auto;margin:10px 0;border:1px solid var(--line);border-radius:12px;background:var(--white)}
.qs-table{width:100%;border-collapse:collapse;font-size:14px}
.qs-table caption{text-align:left;font-weight:600;padding:10px 12px 4px;color:var(--ink)}
.qs-table th,.qs-table td{padding:8px 12px;border-top:1px solid var(--line);text-align:left;color:var(--ink);vertical-align:top}
.qs-table td:nth-child(2){font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;white-space:nowrap}
.qs-table thead th{font-size:13px;color:var(--muted);font-weight:600;background:var(--paper)}
.qs-note{font-size:13px;color:var(--muted);line-height:1.6}
.qs-guide{min-width:0}.qs-guide h2{margin-top:30px}
.guide-layout>*{min-width:0}
html[data-xunl-theme="dark"] .qs-error,html[data-xunl-theme="dark"] .qs-scan.is-bad{background:#3a1a1d;color:#ffb4b4;border-color:#6d2c31}
html[data-xunl-theme="dark"] .qs-warnings li{background:#3a2e14;color:#f5d58f;border-color:#6b5420}
html[data-xunl-theme="dark"] .qs-scan.is-ok{background:#123326;color:#6fd6a6;border-color:#24563f}
html[data-xunl-theme="dark"] .qs-toast{color:#6fd6a6}
@media(max-width:980px){.qs-workbench{grid-template-columns:1fr}.qs-form{border-right:0;border-bottom:1px solid var(--line)}.qs-output{order:-1}.qs-preview{position:static;min-height:200px}.qs-preview svg{max-width:260px}}
@media(max-width:560px){.qs-form,.qs-output{padding:16px}.qs-table td:nth-child(2){white-space:normal;overflow-wrap:anywhere}}