/* Layout: sticky one-line header, featured card + 3-col card grid; test page is a single scrolling column of question cards (Onedio style) */
:root{
  --bg:#F4F5F8; --surface:#FFFFFF; --ink:#16181D; --muted:#6A707C; --line:#E3E5EA;
  --accent:#2F5BFF; --accent-ink:#FFFFFF; --sun:#FFC93C; --ok:#14A06B; --bad:#E5484D;
  --ok-soft:#E3F6EE; --bad-soft:#FDE8E8; --sel-soft:#E8EDFF;
  --display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --body:"Figtree",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0F1115; --surface:#181B21; --ink:#ECEEF2; --muted:#9AA0AB; --line:#2A2E37;
  --accent:#6F8CFF; --accent-ink:#0F1115; --ok:#2BC48A; --bad:#F2555A;
  --ok-soft:#14302A; --bad-soft:#3A1A1C; --sel-soft:#1E2747; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0F1115; --surface:#181B21; --ink:#ECEEF2; --muted:#9AA0AB; --line:#2A2E37;
  --accent:#6F8CFF; --accent-ink:#0F1115; --ok:#2BC48A; --bad:#F2555A;
  --ok-soft:#14302A; --bad-soft:#3A1A1C; --sel-soft:#1E2747; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font:14px/1.5 var(--body)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--surface)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:1040px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}

/* header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--surface);border-bottom:1px solid var(--line)}
.bar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:52px;gap:16px}
.logo{font:800 18px/1 var(--display);letter-spacing:-.02em;display:flex;align-items:center;gap:6px;justify-self:start}
.logo i{width:10px;height:10px;border-radius:50%;background:var(--sun);display:inline-block}
nav{display:flex;gap:4px;white-space:nowrap}
nav button{background:none;border:0;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600;color:var(--muted)}
nav button[aria-current="true"]{background:var(--ink);color:var(--surface)}
nav button:hover{color:var(--ink)}
.right{justify-self:end;display:flex;gap:6px;align-items:center}
.ghostbtn{background:transparent;border:1px solid var(--line);border-radius:8px;padding:6px 11px;font-size:12.5px;font-weight:700}
.ghostbtn[aria-current="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.cta{background:var(--accent);color:var(--accent-ink);border:0;border-radius:8px;padding:7px 12px;font-size:12.5px;font-weight:700}
@media (max-width:680px){
  .bar{grid-template-columns:1fr auto;height:48px}
  nav{grid-column:1/-1;grid-row:2;overflow-x:auto;padding-bottom:8px;justify-content:space-between;scrollbar-width:none}
  .bar{height:auto;padding-top:10px;row-gap:8px}
}

/* home */
main{padding-block:24px 48px}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;margin:28px 0 12px}
.sec-h h2{font:700 15px/1.2 var(--display);margin:0}
.sec-h span{font-size:12px;color:var(--muted)}
.cover{position:relative;background:linear-gradient(135deg,var(--c1),var(--c2));display:grid;place-items:center;overflow:hidden;aspect-ratio:16/9;max-width:100%}
.cover::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.28),transparent 45%)}
.cover .glyph{font-size:44px;filter:drop-shadow(0 6px 10px rgba(0,0,0,.18));position:relative;z-index:1}
.chip{position:absolute;left:10px;top:10px;z-index:2;background:rgba(255,255,255,.92);color:#16181D;font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:999px}
.featured{display:grid;grid-template-columns:1.4fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.featured .cover{aspect-ratio:auto;min-height:220px}
.featured .cover .glyph{font-size:72px}
.featured .fb{padding:24px;display:flex;flex-direction:column;justify-content:center;gap:10px;min-width:0}
.featured .eyebrow{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.featured h1{font:800 22px/1.2 var(--display);letter-spacing:-.01em;margin:0;text-wrap:balance}
.featured p{margin:0;color:var(--muted);font-size:13.5px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:8px;padding:9px 14px;font-size:13px;font-weight:700;background:var(--accent);color:var(--accent-ink)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.featured .btn{align-self:flex-start}
@media (max-width:680px){.featured{grid-template-columns:1fr}.featured .cover{min-height:170px}}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:820px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:460px){.grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-2px);border-color:var(--muted)}
.card .cb{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px;min-width:0}
.card h3{font:600 14.5px/1.3 var(--display);margin:0;text-wrap:balance}
.meta{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}

/* test page */
.tp{max-width:640px;margin:0 auto}
.back{font-size:12.5px;color:var(--muted);font-weight:600;display:inline-flex;gap:4px;margin-bottom:14px}
.back:hover{color:var(--ink)}
.thead{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:16px}
.thead .cover{aspect-ratio:21/9}
.thead .cover .glyph{font-size:60px}
.thead .tb{padding:16px 18px;display:flex;flex-direction:column;gap:6px}
.thead h1{font:800 20px/1.25 var(--display);margin:0;text-wrap:balance}
.thead p{margin:0;color:var(--muted);font-size:13.5px}
.prog{position:sticky;top:calc(env(safe-area-inset-top,0px) + 53px);z-index:4;background:var(--bg);padding-block:8px;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
@media (max-width:680px){.prog{top:calc(env(safe-area-inset-top,0px) + 92px)}}
.prog .track{flex:1;height:5px;background:var(--line);border-radius:999px;overflow:hidden}
.prog .fill{height:100%;background:var(--accent);width:0;transition:width .3s}
.q{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px;scroll-margin-top:140px}
.qh{display:flex;gap:10px;align-items:baseline;margin-bottom:12px}
.qn{font-size:11px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums;flex:none}
.qh h2{font:600 15.5px/1.35 var(--display);margin:0;min-width:0}
.opts{display:grid;gap:8px}
.opts.img{grid-template-columns:repeat(2,minmax(0,1fr))}
.opt{position:relative;overflow:hidden;text-align:left;background:var(--surface);border:1.5px solid var(--line);border-radius:10px;padding:11px 14px;font-size:13.5px;font-weight:500;display:flex;justify-content:space-between;align-items:center;gap:10px}
.opt:hover:not([disabled]){border-color:var(--ink)}
.opt .lbl{position:relative;z-index:1;min-width:0}
.opt .pct{position:relative;z-index:1;font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}
.opt::before{content:"";position:absolute;inset:0 auto 0 0;width:var(--p,0%);background:var(--sel-soft);transition:width .5s ease;opacity:0}
.q.voted .opt::before{opacity:1}
.opt.tile{flex-direction:column;align-items:stretch;padding:0;gap:0}
.tile .art{aspect-ratio:4/3;max-width:100%;background:linear-gradient(135deg,var(--c1),var(--c2));display:grid;place-items:center;font-size:40px;position:relative}
.tile .foot{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;gap:6px;position:relative;z-index:1}
.opt.sel{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.opt.ok{border-color:var(--ok);background:var(--ok-soft)}
.opt.bad{border-color:var(--bad);background:var(--bad-soft)}
.opt[disabled]{cursor:default}
.q.done .opt:not(.sel):not(.ok){opacity:.72}
.q.voted .opt{opacity:1}
.tag{font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.tag.ok{color:var(--ok)}.tag.bad{color:var(--bad)}
.result{background:var(--surface);border:1.5px solid var(--ink);border-radius:14px;overflow:hidden;margin-top:6px;scroll-margin-top:140px}
.result .cover{aspect-ratio:21/8}
.result .cover .glyph{font-size:64px}
.result .rb{padding:18px;display:flex;flex-direction:column;gap:8px}
.result .eyebrow{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.result h2{font:800 21px/1.2 var(--display);margin:0;text-wrap:balance}
.result p{margin:0;color:var(--muted);font-size:13.5px}
.score{font:800 34px/1 var(--display);font-variant-numeric:tabular-nums}
.share{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.share a,.share button{font-size:12.5px;font-weight:700;padding:8px 12px;border-radius:8px;border:1px solid var(--line);background:var(--surface)}
.share .wa{background:#25D366;color:#0B2A17;border-color:transparent}
.share .x{background:var(--ink);color:var(--surface);border-color:transparent}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--surface);font-size:13px;padding:10px 14px;border-radius:8px;z-index:20;max-width:calc(100% - 32px)}
.ph{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}
.ph h1{font:800 20px/1.2 var(--display);margin:0}
.ptabs{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;margin-bottom:12px}
.ptabs button{flex:none}
.ptabs button{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:12.5px;font-weight:600;display:flex;gap:6px;align-items:center}
.ptabs button[aria-current="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.ptabs b{font-variant-numeric:tabular-nums;font-weight:700;opacity:.7}
.tw{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:12.5px;font-variant-numeric:tabular-nums}
th,td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;vertical-align:top}
th{font-size:11px;font-weight:700;color:var(--muted);background:var(--bg);position:sticky;top:0}
th small{display:block;font-weight:500;max-width:180px;overflow:hidden;text-overflow:ellipsis}
tr:last-child td{border-bottom:0}
td.p{font-weight:700}
td.p small{display:block;font-weight:500;color:var(--muted)}
td.ok{color:var(--ok);font-weight:600}td.bad{color:var(--bad);font-weight:600}
td.na{color:var(--muted)}
td.res{font-weight:700}
.empty{color:var(--muted);font-size:13px;padding:28px 0;text-align:center}
.qsum{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-top:16px}
.qs{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px;font-size:12px;min-width:0}
.qs h4{margin:0 0 8px;font:600 12.5px/1.3 var(--display)}
.qs .row{display:flex;justify-content:space-between;gap:8px;padding:2px 0}
.qs .row span:last-child{font-weight:700}
footer{border-top:1px solid var(--line);padding-block:18px;font-size:12px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.gate{background:var(--surface);border:1.5px solid var(--ink);border-radius:14px;padding:18px;margin-top:6px;display:flex;flex-direction:column;gap:12px;scroll-margin-top:140px}
.gate h2{font:800 17px/1.25 var(--display);margin:0}
.gate p{margin:0;color:var(--muted);font-size:13px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fgrid .full{grid-column:1/-1}
@media (max-width:460px){.fgrid{grid-template-columns:1fr}}
.fld{display:flex;flex-direction:column;gap:4px;min-width:0}
.fld label{font-size:11.5px;font-weight:700;color:var(--muted)}
.fld input,.fld select{font:inherit;font-size:13.5px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 10px;width:100%}
.bd{display:grid;grid-template-columns:1fr 1.4fr;gap:8px}
.consent{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--muted)}
.consent input{margin-top:2px}
.consent a{text-decoration:underline}
.err{color:var(--bad);font-size:12.5px;font-weight:600}
.gate .btn{align-self:flex-start}
.prose{max-width:640px;margin:0 auto;font-size:13.5px}
.prose h1{font:800 20px/1.25 var(--display)}
.cover>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;max-width:none}
.cover.has-pic .glyph{display:none}
.cover.has-pic::after{background:linear-gradient(180deg,rgba(0,0,0,.18),transparent 40%)}
.qpic{margin:-16px -16px 14px;aspect-ratio:16/7;max-width:none;overflow:hidden;border-radius:12px 12px 0 0;background:var(--line)}
.qpic img{width:100%;height:100%;object-fit:cover;display:block;max-width:none}
.who-chip{display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600}
.who-chip img{width:22px;height:22px;border-radius:50%;object-fit:cover}
.gbtn{min-height:44px}