:root{--bg:#f3f5f9;--card:#fff;--ink:#1c2333;--muted:#5c6475;--pri:#1f4e8c;--ok:#14723b;--warn:#8a5a00;--bad:#b42318;--line:#d9dee8;--flag:#f5c242;--ans:#1f6f2b}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px}
header.top{background:var(--pri);color:#fff;padding:10px 16px;display:flex;justify-content:space-between;align-items:center}
header.top b{font-size:17px}header.top .r{font-size:13px}
main{max-width:1100px;margin:16px auto;padding:0 12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:14px}
h2{margin:0 0 10px;font-size:18px}h3{margin:12px 0 6px;font-size:15px}
button{background:var(--pri);color:#fff;border:0;border-radius:6px;padding:9px 14px;font-size:14px;cursor:pointer}
button.sec{background:#e9edf5;color:var(--ink)}button.warn{background:var(--flag);color:#3a2a00}button.bad{background:var(--bad)}button:disabled{opacity:.5;cursor:not-allowed}
input,select{padding:8px;border:1px solid var(--line);border-radius:6px;font-size:14px}
.muted{color:var(--muted);font-size:13px}.err{color:var(--bad)}.ok{color:var(--ok)}
table{border-collapse:collapse;width:100%;font-size:13px}th,td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left}th{background:#f7f8fb}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1 1 240px}
.pkg{border:2px solid var(--line);border-radius:8px;padding:14px;cursor:pointer}.pkg.sel{border-color:var(--pri)}.pkg .price{font-size:22px;font-weight:700}
.hidden,[hidden]{display:none!important}
/* CAT */
.cat{display:grid;grid-template-columns:1fr 290px;gap:12px}
.cat .bar{background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 12px;display:flex;justify-content:space-between;align-items:center;grid-column:1/3}
.timer{font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;color:var(--pri)}.timer.low{color:var(--bad)}
.q{position:relative;min-height:380px;overflow:hidden}.q .stem{font-size:16px;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere}
.q .stim{margin:10px 0;max-width:100%;overflow:auto}.q .stim svg{max-width:100%}
.opt{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:6px;padding:10px;margin:8px 0;cursor:pointer}
.opt:hover{background:#f7f9ff}.opt.sel{border-color:var(--ans);background:#edf7ee}.opt .lb{font-weight:700;min-width:22px}
.wm{position:absolute;inset:0;pointer-events:none;display:flex;align-items:center;justify-content:center;opacity:.07;font-size:40px;font-weight:800;transform:rotate(-25deg);user-select:none;overflow:hidden;overflow-wrap:anywhere}
.nav{display:grid;grid-template-columns:repeat(6,1fr);gap:5px}
.nav button{padding:7px 0;font-size:12px;background:#fff;color:var(--ink);border:1px solid var(--line)}
.nav button.answered{background:var(--ans);color:#fff;border-color:var(--ans)}
.nav button.flagged{background:var(--flag);color:#3a2a00;border-color:var(--flag)}
.nav button.answered_flagged{background:var(--ans);color:#fff;border-color:var(--ans)}
.nav button.cur{outline:3px solid var(--pri)}
.legend span{display:inline-block;width:12px;height:12px;border-radius:2px;margin-right:4px;vertical-align:middle}
.status{font-size:12px;padding:4px 8px;border-radius:12px;background:#e9edf5}.status.off{background:#fde2e2;color:var(--bad)}
.banner{background:#fff7dd;border:1px solid #ecd48a;border-radius:6px;padding:8px 12px;margin-bottom:10px;font-size:13px}
.bars div{margin:4px 0;font-size:13px}.bars i{display:inline-block;height:10px;background:var(--pri);border-radius:3px;vertical-align:middle;margin-right:6px}
.big{font-size:28px;font-weight:800}
.qr{display:block;margin:10px auto;border:1px solid var(--line);border-radius:8px;width:260px;height:260px}
.tabs button{margin-right:6px}

.osvg{display:block;margin:4px 0}.osvg svg{max-width:160px;max-height:120px;display:block}
.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip-path:inset(50%);white-space:nowrap}
select{min-width:110px} .cat .opt span:last-child{min-width:0;overflow-wrap:anywhere} .cat .card{overflow:hidden}
html{scroll-padding-top:16px}body{min-width:320px;line-height:1.55}main,.card,.cat>*{min-width:0}button,input,select,.btn{min-height:44px}button{font-size:15px}input,select{font-size:16px;border-color:#788499}a.btn{background:var(--pri);color:white;display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:6px;text-decoration:none;font-weight:600}:focus-visible,.pkg:focus-within{outline:3px solid var(--pri);outline-offset:2px}header.top{min-height:58px;gap:8px;flex-wrap:wrap}.cat{grid-template-columns:minmax(0,1fr) 290px}.cat .bar{grid-column:1/-1;flex-wrap:wrap;gap:8px}.nav{grid-template-columns:repeat(auto-fill,minmax(44px,1fr))}.nav button{min-width:44px;min-height:44px;padding:4px;font-size:13px}.nav section{grid-column:1/-1}.nav section .nav-group{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:5px}.nav section h4{margin:12px 0 5px}.opt{min-height:48px;border-color:#788499}.opt:focus-within{outline:3px solid var(--pri);outline-offset:2px}.opt input{min-height:24px;min-width:24px;accent-color:var(--pri);margin:0}.opt.sel{border-width:2px}.pkg{display:block;border-color:#788499;min-height:80px}.pkg input{margin-right:10px;accent-color:var(--pri)}.pkg:has(input:checked){background:#e8eff9;border-color:var(--pri)}.table-scroll{max-width:100%;overflow-x:auto}.table-scroll table{min-width:550px}.qr{max-width:100%;height:auto;aspect-ratio:1}.q .stim pre{white-space:pre-wrap;overflow-wrap:anywhere}dialog{border:1px solid #788499;border-radius:12px;max-width:min(94vw,500px);padding:24px;color:var(--ink)}dialog::backdrop{background:#1c2333a9}dialog .row{margin-top:20px}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:8px;top:8px;z-index:50;background:white;padding:10px}.cat fieldset{border:0;padding:0;margin:16px 0}.cat legend{font-weight:700;margin-bottom:8px}.cat .bar .timer{white-space:nowrap}.status{color:var(--ink)}@media(max-width:899px){.cat{grid-template-columns:minmax(0,1fr)}.cat .bar{grid-column:1}.cat .row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.cat .row>*{min-width:0}.q{min-height:0}.cat>div{min-width:0}}@media(max-width:420px){main{padding:0 10px}.cat .bar{font-size:13px}.cat .row button{padding:8px 5px}.nav section .nav-group{grid-template-columns:repeat(auto-fill,minmax(44px,1fr))}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.legend-answered{background:var(--ans)}.legend-flagged{background:var(--flag)}.legend-empty{background:#fff;border:1px solid #ccc}#btnSubmit{width:100%}