:root{--ind:#2E2A78;--ind-d:#1F1C55;--coral:#FF6F59;--coral-t:#B53A2E;--paper:#F4F6FA;--pale:#ECEBF7;--slate:#5A5E76;--ink:#17163A;--line:#C9CAE0;--ok:#1E6B43;--bad:#9C1F18;--r:10px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.55 Charter,"Iowan Old Style",Georgia,"Times New Roman",serif}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:50}.skip:focus{left:8px;top:8px}
h1,h2,h3,.ui,button,.btn,label.opt,table,.tag{font-family:"Avenir Next","Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif}
h1{font:800 clamp(1.5rem,5.5vw,2.2rem)/1.15 Rockwell,"Roboto Slab",Georgia,serif;color:var(--ind);margin:.2em 0 .3em;letter-spacing:-.01em}
h2{font:800 1.25rem/1.25 Rockwell,"Roboto Slab",Georgia,serif;color:var(--ind);margin:1.4em 0 .5em}
h3{font-size:1.02rem;margin:1em 0 .3em;color:var(--ind-d)}
a{color:var(--ind);text-underline-offset:3px}
:focus-visible{outline:3px solid var(--coral);outline-offset:2px}
.top{background:var(--ind);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;border-bottom:5px solid var(--coral);position:sticky;top:0;z-index:20}
.brand{display:flex;gap:10px;align-items:center;color:#fff;text-decoration:none}
.mark{display:grid;place-items:center;width:38px;height:38px;border:2px solid #fff;border-radius:6px;font:800 1.4rem/1 Rockwell,Georgia,serif;color:var(--coral)}
.brand-t{display:flex;flex-direction:column;line-height:1.1;font-family:"Avenir Next","Segoe UI",system-ui,sans-serif}.brand-t b{letter-spacing:.06em;font-size:1rem}.brand-t small{font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;opacity:.85}
.top-r{display:flex;gap:8px;align-items:center}
#app{max-width:1100px;margin:0 auto;padding:16px 14px 28px;outline:none}
.loading{color:var(--slate)}
.btn,button.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:48px;padding:10px 18px;border-radius:8px;border:2px solid var(--ind);background:#fff;color:var(--ind);font-weight:700;font-size:1rem;cursor:pointer;text-decoration:none;text-align:center}
.btn:hover{background:var(--pale)}
.btn.pri{background:var(--ind);color:#fff}.btn.pri:hover{background:var(--ind-d)}
.btn.cor{background:var(--coral);border-color:var(--ind-d);color:var(--ind-d)}.btn.cor:hover{background:#ff8571}
.btn.sm{min-height:44px;padding:6px 12px;font-size:.92rem}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.top .btn{border-color:#fff;background:transparent;color:#fff;min-height:44px}.top .btn:hover{background:rgba(255,255,255,.15)}
.hero{background:var(--ind);color:#fff;border-radius:var(--r);padding:20px 18px;border-left:10px solid var(--coral)}
.hero h1{color:#fff;margin-top:0}.hero p{margin:.3em 0;max-width:60ch}
.hero .kick{margin-bottom:8px;font:700 .78rem/1 "Avenir Next","Segoe UI",system-ui,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:#FFC9BF}
.note{background:#fff;border:2px solid var(--line);border-left:8px solid var(--ind);border-radius:8px;padding:10px 14px;margin:14px 0;font-size:.95rem}
.note b{font-family:"Avenir Next","Segoe UI",system-ui,sans-serif;letter-spacing:.06em;text-transform:uppercase;font-size:.78rem;color:var(--coral-t)}
.grid{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:640px){.grid.two{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.grid.three{grid-template-columns:1fr 1fr 1fr}}
.card{background:#fff;border:2px solid var(--line);border-radius:var(--r);overflow:hidden}
.card>header{background:var(--pale);padding:10px 14px;border-bottom:3px solid var(--coral);display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.card>header h3{margin:0;font-size:1.05rem}
.card .body{padding:12px 14px}
.card .body p{margin:.2em 0 .6em;font-size:.95rem;color:var(--slate)}
.pick{display:flex;flex-direction:column;gap:8px}
.pick .btn{flex-wrap:wrap;justify-content:space-between;text-align:left;width:100%}
.pick .btn small{font:600 .8rem "Avenir Next","Segoe UI",system-ui,sans-serif;color:var(--slate);white-space:nowrap}
.pick .btn.pri small{color:#d7d6f5}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border:1.5px solid var(--ind);color:var(--ind);border-radius:4px;padding:1px 6px;background:#fff}
.tag.c{border-color:var(--coral-t);color:var(--coral-t)}
.crumb{font:600 .9rem "Avenir Next","Segoe UI",system-ui,sans-serif;margin:4px 0 8px}
/* quiz */
.qbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;background:#fff;border:2px solid var(--line);border-radius:var(--r);padding:8px 12px;margin-bottom:12px}
.qbar .t{font:700 .95rem "Avenir Next","Segoe UI",system-ui,sans-serif;color:var(--ind)}
.timer{font:800 1.3rem/1 "SF Mono",Menlo,Consolas,monospace;color:var(--ind);padding:6px 10px;border:2px solid var(--ind);border-radius:6px;background:var(--pale);min-width:5.6em;text-align:center}
.timer.low{background:var(--coral);color:var(--ind-d);border-color:var(--ind-d)}
.layout{display:grid;gap:14px;grid-template-columns:minmax(0,1fr)}
.main{min-width:0}
@media(min-width:960px){.layout{grid-template-columns:minmax(0,1fr) 260px;align-items:start}.layout .side{position:sticky;top:78px}}
.stim{background:#fff;border:2px solid var(--ind);border-radius:var(--r);margin-bottom:12px;overflow:hidden}
.stim>summary{background:var(--ind);color:#fff;padding:10px 14px;cursor:pointer;font:700 .95rem "Avenir Next","Segoe UI",system-ui,sans-serif;letter-spacing:.04em;min-height:44px}
.stim .sb{padding:12px 16px}.stim p{margin:.5em 0}
.stim table{border-collapse:collapse;width:100%;margin:.6em 0;font-size:.95rem}
.stim caption{text-align:left;font-weight:700;color:var(--ind);padding:4px 0}
.stim th{background:var(--ind);color:#fff;text-align:left;padding:6px 8px}
.stim td{border-bottom:1px solid var(--line);padding:6px 8px;vertical-align:top}
.stim tr:nth-child(even) td{background:var(--pale)}
.stim img,.q img{max-width:100%;height:auto;display:block;margin:8px auto;border:1px solid var(--line);border-radius:6px;background:#fff}
.q{background:#fff;border:2px solid var(--line);border-radius:var(--r);padding:14px 16px}
.q .qn{display:flex;gap:10px;align-items:flex-start}
.q .num{flex:none;background:var(--ind);color:#fff;border-radius:6px;min-width:2.6em;text-align:center;padding:4px 6px;font:800 1rem "Avenir Next","Segoe UI",system-ui,sans-serif;border-bottom:4px solid var(--coral)}
.q .stem{margin:0;font-size:1.06rem;font-weight:600}
fieldset{border:0;margin:12px 0 0;padding:0;min-width:0}legend{position:absolute;left:-999px}
label.opt{display:flex;gap:10px;align-items:flex-start;min-height:52px;padding:10px 12px;margin:8px 0;border:2px solid var(--line);border-radius:8px;cursor:pointer;background:#fff;font-size:1rem;line-height:1.45}
label.opt:hover{border-color:var(--ind)}
label.opt input{position:absolute;opacity:0;pointer-events:none}
label.opt .L{flex:none;width:2em;height:2em;display:grid;place-items:center;border:2px solid var(--ind);border-radius:50%;font-weight:800;color:var(--ind);background:#fff}
label.opt .tx{padding-top:.1em}
label.opt:has(input:checked){background:var(--pale);border-color:var(--ind);box-shadow:inset 6px 0 0 var(--ind)}
label.opt:has(input:checked) .L{background:var(--ind);color:#fff}
label.opt:has(input:focus-visible){outline:3px solid var(--coral);outline-offset:2px}
label.opt.sel{background:var(--pale);border-color:var(--ind);box-shadow:inset 6px 0 0 var(--ind)}
label.opt.sel .L{background:var(--ind);color:#fff}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;align-items:center}
.actions .sp{flex:1}
.flagbtn[aria-pressed=true]{background:var(--coral);border-color:var(--ind-d);color:var(--ind-d)}
.navg{display:grid;grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:6px}
.navg button{position:relative;min-height:46px;border:2px solid var(--ind);background:#fff;color:var(--ind);border-radius:6px;font-weight:800;font-size:.95rem;cursor:pointer}
.navg button.ans{background:var(--ind);color:#fff}
.navg button.cur{outline:3px solid var(--coral);outline-offset:1px}
.navg button.flag::after{content:"";position:absolute;right:0;top:0;border-style:solid;border-width:0 16px 16px 0;border-color:transparent var(--coral) transparent transparent}
.navg button.flag::before{content:"F";position:absolute;left:3px;bottom:1px;font-size:.62rem;color:var(--coral-t);font-weight:800}
.navg button.ans.flag::before{color:#FFD2CA}
.legend{display:flex;flex-wrap:wrap;gap:10px;font:600 .8rem "Avenir Next","Segoe UI",system-ui,sans-serif;color:var(--slate);margin:8px 0 0}
.legend i{display:inline-block;width:14px;height:14px;border:2px solid var(--ind);border-radius:3px;vertical-align:-2px;margin-right:4px;background:#fff}.legend i.a{background:var(--ind)}.legend i.f{border-color:var(--coral-t);background:var(--coral)}
.side .card{padding:12px}.side h3{margin-top:0}
details.navwrap>summary{cursor:pointer;font-weight:700;font-family:"Avenir Next","Segoe UI",system-ui,sans-serif;min-height:44px;display:flex;align-items:center;background:#fff;border:2px solid var(--line);border-radius:8px;padding:0 12px}
@media(min-width:960px){details.navwrap>summary{display:none}}
/* results */
.score{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.big{font:800 3rem/1 Rockwell,Georgia,serif;color:var(--ind)}
.big small{font-size:1.1rem;color:var(--slate)}
.bar{height:14px;border-radius:7px;background:var(--pale);border:1.5px solid var(--ind);overflow:hidden;min-width:90px}
.bar i{display:block;height:100%;background:var(--ind)}
table.res{width:100%;border-collapse:collapse;background:#fff;border:2px solid var(--line);font-size:.93rem}
table.res th{background:var(--ind);color:#fff;text-align:left;padding:8px 10px}
table.res td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
table.res tr:nth-child(even) td{background:var(--paper)}
table.res td.n{white-space:nowrap;font-weight:700;text-align:right}
.tw{overflow-x:auto}
.rq{background:#fff;border:2px solid var(--line);border-left:10px solid var(--ok);border-radius:var(--r);margin:10px 0}
.rq.bad{border-left-color:var(--bad)}.rq.na{border-left-color:var(--coral-t)}
.rq>summary{padding:10px 12px;cursor:pointer;min-height:48px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-family:"Avenir Next","Segoe UI",system-ui,sans-serif}
.rq .v{font-weight:800}
.rq .in{padding:4px 14px 14px}
.ro{padding:8px 10px;margin:6px 0;border:2px solid var(--line);border-radius:8px;display:flex;gap:8px}
.ro.key{border-color:var(--ok);background:#EAF6EF}.ro.you{border-color:var(--bad);background:#FBECEA}
.ro b{flex:none}
.ro em{font:700 .72rem "Avenir Next","Segoe UI",system-ui,sans-serif;letter-spacing:.06em;text-transform:uppercase;margin-left:6px;font-style:normal}
.expl{background:var(--pale);border-left:6px solid var(--coral);padding:10px 12px;border-radius:6px;margin-top:8px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.filters .btn[aria-pressed=true]{background:var(--ind);color:#fff}
.foot{max-width:1100px;margin:0 auto;padding:14px;color:var(--slate);font-size:.82rem;border-top:3px solid var(--pale)}
.foot p{margin:.3em 0}
.banner{background:var(--coral);color:var(--ind-d);border:2px solid var(--ind-d);border-radius:8px;padding:10px 14px;font-weight:700;margin:10px 0;font-family:"Avenir Next","Segoe UI",system-ui,sans-serif}
.rev .grp{margin:14px 0}
.confirm{background:#fff;border:3px solid var(--ind);border-radius:var(--r);padding:14px;margin:14px 0}
.dlg{background:#fff;border:3px solid var(--ind);border-radius:var(--r);padding:14px 16px;margin:12px 0}
.dlg label{display:flex;align-items:center;gap:10px;min-height:48px;padding:6px 10px;border:2px solid var(--line);border-radius:8px;margin:8px 0;cursor:pointer;font-family:"Avenir Next","Segoe UI",system-ui,sans-serif;font-weight:600}
.dlg label input{width:22px;height:22px;accent-color:var(--ind)}
.dlg label:has(input:checked){border-color:var(--ind);background:var(--pale)}
@media print{.top,.foot .btn,.actions{display:none}}
@media(prefers-reduced-motion:no-preference){.btn{transition:background .12s}}
@media(max-width:600px){table.res th:nth-child(4),table.res td:nth-child(4){display:none}table.res th,table.res td{padding:8px 6px}table.res th:first-child,table.res td:first-child{width:60%}}