:root{--accent:#0f6b6b;--tint:color-mix(in oklab,var(--accent) 7%,var(--surface));--tint2:color-mix(in oklab,var(--accent) 14%,var(--surface))}
@media (prefers-color-scheme:dark){:root{--accent:#5eead4;--accent-ink:#042f2e}}
input[type=url],input[type=email],input[type=tel],input[type=datetime-local]{width:100%;font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-ctl);padding:10px 12px;min-height:44px}
.muted{color:var(--muted)}
.chk{display:flex;align-items:center;gap:8px;font-weight:400;margin:10px 0;cursor:pointer}
.chk input{width:18px;height:18px;accent-color:var(--accent);flex:none}

/* generator layout */
.qgrid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start}
@media (max-width:900px){.qgrid{grid-template-columns:minmax(0,1fr)}.qleft{display:contents}.qleft>.qtabs{order:1}.qleft>.panel{order:2}.qright{order:3}.qdesign{order:4;margin-top:0}}
.qright{position:sticky;top:76px}
@media (max-width:900px){.qright{position:static}}
.qcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);padding:18px;box-shadow:var(--shadow);display:grid;gap:12px}
.qprev{background:#fff;border-radius:12px;border:1px solid var(--line);aspect-ratio:1;display:grid;place-items:center;padding:14px;overflow:hidden}
.qprev svg{width:100%;height:100%;display:block}
.qprev .empty,.qprev .err{border:0;padding:12px;margin:0;text-align:center}
.qprev.checker{background:repeating-conic-gradient(#e5e7eb 0% 25%,#fff 0% 50%) 50%/20px 20px}
@media (max-width:900px){.qprev{max-width:340px;width:100%;margin:0 auto}}
.bcprev{aspect-ratio:auto;min-height:200px}
.bcprev svg{height:auto;max-width:100%}
.qmeta{margin:0;font-size:13px;color:var(--muted);text-align:center;font-variant-numeric:tabular-nums}
.qcheck{margin:0;font-size:14px;padding:8px 12px;border-radius:10px;background:var(--surface-2);color:var(--muted)}
.qcheck.ok{background:color-mix(in oklab,#16a34a 14%,var(--surface));color:color-mix(in oklab,#15803d 85%,var(--text))}
.qcheck.ok::before{content:"✓ ";font-weight:800}
.qcheck.warn{background:color-mix(in oklab,#f59e0b 16%,var(--surface));color:color-mix(in oklab,#b45309 80%,var(--text))}
.qcheck.warn::before{content:"! ";font-weight:800}
.dl{display:grid;grid-template-columns:auto 1fr 1fr 1fr;gap:8px}
.dl select{width:auto;min-height:46px;padding:8px}
.dl .btn{padding:12px 8px}
.qtabs{display:flex;gap:6px;overflow-x:auto;padding:2px 2px 10px;margin-bottom:6px;scrollbar-width:thin}
.qtabs button{flex:none;display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:14px;padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);cursor:pointer}
.qtabs button[aria-selected=true]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:700}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.fgrid .full{grid-column:1/-1}
@media (max-width:520px){.fgrid{grid-template-columns:1fr}}
.qdesign{margin-top:14px;display:grid;gap:10px}
.qdesign details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel)}
.qdesign summary{cursor:pointer;padding:14px 18px;font-weight:700;list-style:none;display:flex;justify-content:space-between}
.qdesign summary::-webkit-details-marker{display:none}
.qdesign summary::after{content:"+";color:var(--muted);font-weight:400}
.qdesign details[open] summary::after{content:"−"}
.dbody{padding:0 18px 16px}
.qseg{flex-wrap:wrap}
.qseg button svg{display:block}
.qseg button{min-height:38px}
.presets{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.pre{width:34px;height:34px;border-radius:50%;border:2px solid var(--line);cursor:pointer;background:linear-gradient(135deg,var(--a) 50%,var(--b) 50%)}
.pre.g{background:linear-gradient(135deg,var(--a),var(--b))}
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;margin-bottom:10px}
.cfield{display:flex;align-items:center;gap:10px;margin:0;font-weight:500;padding:6px 10px;border:1px solid var(--line);border-radius:var(--r-ctl);background:var(--bg);cursor:pointer}
.cfield input{width:32px;height:32px;border:0;padding:0;background:none;cursor:pointer;flex:none}
.cfield span{flex:1;font-size:14px}
.cfield code{font-size:12px;color:var(--muted)}
.logos{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.lbtn{width:52px;height:52px;border-radius:12px;border:1px solid var(--line);background:var(--bg);display:grid;place-items:center;cursor:pointer;margin:0;padding:0;color:var(--muted);font-weight:400}
.lbtn.up{width:auto;padding:0 12px;display:flex;gap:6px;font-size:14px}
input[type=range]{width:100%;accent-color:var(--accent)}
.filebtn{margin:0;cursor:pointer}
.bar{height:8px;background:var(--surface-2);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
.qbgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;margin-top:20px}
.qbgrid figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px}
.qbgrid figcaption{font-size:12px;color:#555;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px}
.qbgrid figure.bad{background:var(--surface-2)}

/* scanner */
#scan{max-width:720px}
.scanmode{margin-bottom:12px}
.scanbox{margin-bottom:16px}
.vwrap{position:relative;background:#0b0b0b;border-radius:var(--r-panel);overflow:hidden;aspect-ratio:4/3;max-height:62vh;display:grid;place-items:center}
.vwrap video{width:100%;height:100%;object-fit:cover;display:none}
.vwrap.live video{display:block}
.vfind{position:absolute;inset:18% 22%;border:3px solid rgba(255,255,255,.85);border-radius:18px;box-shadow:0 0 0 999px rgba(0,0,0,.25);display:none;pointer-events:none}
.vwrap.live .vfind{display:block}
.vstart{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:8px;padding:20px;text-align:center}
.vstart .hint{color:#d4d4d4;max-width:34ch}
.camctl{margin-top:10px}
.camctl select{width:auto;max-width:240px;min-height:36px;padding:6px 10px}
.camctl .chk{margin:0 6px}
.drop{display:grid;justify-items:center;gap:8px;text-align:center;padding:40px 20px;border:2px dashed var(--line);border-radius:var(--r-panel);background:var(--surface);cursor:pointer;color:var(--muted);font-weight:400;margin:0}
.drop b{color:var(--text)}
.drop.over{border-color:var(--accent);background:var(--tint)}
.thumb img{max-height:220px;border-radius:12px;margin-top:12px;display:block}
.rcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);padding:18px;box-shadow:var(--shadow);display:grid;gap:12px}
.rhead{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 8px;border-radius:999px;background:var(--tint2);color:var(--accent);white-space:nowrap}
.rurl{margin:0;word-break:break-all}.rurl span{color:var(--muted);font-size:14px}
.rcode{font-size:28px;font-weight:800;letter-spacing:.06em;margin:0;font-variant-numeric:tabular-nums}
.rtext{white-space:pre-wrap;word-break:break-word;background:var(--surface-2);padding:12px;border-radius:10px;margin:0;font:inherit;max-height:320px;overflow:auto}
.rcard .kv{margin:0;grid-template-columns:auto 1fr}
.rcard .kv>div{display:contents}
.rcard .kv dd{text-align:left;word-break:break-all}
.raw summary{cursor:pointer;color:var(--muted);font-size:14px}
.raw pre{white-space:pre-wrap;word-break:break-all;font-size:13px;background:var(--surface-2);padding:10px;border-radius:8px}
.hist{margin-top:28px}
.hh h2{margin:0;flex:1 0 auto}
.hh .hint{margin:0}
.hlist{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:6px}
.hlist button{width:100%;display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;font:inherit;text-align:left;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r-ctl);background:var(--surface);color:var(--text);cursor:pointer}
.hlist .ht{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}
.hlist time{font-size:12px;color:var(--muted)}
.hlist .empty{padding:16px}

/* pages */
.blk{margin-top:32px}
.blk h2{margin-bottom:12px}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.cards a{display:grid;grid-template-columns:auto 1fr;column-gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);text-decoration:none;height:100%}
.cards a:hover{border-color:var(--accent);background:var(--tint)}
.cards a[aria-current]{border-color:var(--accent);background:var(--tint2)}
.cards i{grid-row:1/3;width:38px;height:38px;border-radius:10px;background:var(--tint2);color:var(--accent);display:grid;place-items:center}
.cards b{font-size:15px}
.cards span{font-size:13px;color:var(--muted)}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding-left:40px;margin-bottom:12px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--tint2);color:var(--accent);font-weight:800;display:grid;place-items:center;font-size:14px}
.spec{width:100%;margin-top:8px}
.spec td,.spec th{text-align:left}

/* Wi-Fi print card */
#printcard{display:none}
@media print{
  body>*:not(#printcard){display:none!important}
  #printcard{display:block}
  .pc{width:120mm;margin:10mm auto;border:2px solid #111;border-radius:8mm;padding:10mm;text-align:center;font-family:Arial,Helvetica,sans-serif;color:#111}
  .pc h2{margin:0 0 6mm;font-size:22pt}
  .pcq svg{width:70mm;height:70mm}
  .pc dl{display:grid;grid-template-columns:auto 1fr;gap:2mm 6mm;text-align:left;font-size:13pt;margin:6mm 0}
  .pc dt{color:#555}.pc dd{margin:0;font-weight:700;word-break:break-all}
  .pc p{font-size:11pt;color:#444}
}