:root{
  --green:#00843A; --green-soft:#E3F2E8; --navy:#1B2550; --navy-2:#3A4570; --paper:#FFFFFF; --mist:#F2F5F3;
  --line:#D5DDD8; --red:#C8232C; --red-soft:#FBE8E9; --gold:#B7791F; --gold-soft:#FBF1DE; --ink:#1B2550; --muted:#5B6478;
  --core:#2E4A9E; --core-soft:#E7ECF8;
  box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#141A2E; --mist:#1B2238; --line:#2C3552; --ink:#EEF1F7; --navy:#EEF1F7; --navy-2:#C5CBE0; --muted:#A3AAC0;
  --green:#3DBB6E; --green-soft:#16362A; --red:#F0646B; --red-soft:#3A1D24; --gold:#E9B949; --gold-soft:#3A2F17; --core:#8EA8F0; --core-soft:#1F2A4D;}}
:root[data-theme="dark"]{--paper:#141A2E; --mist:#1B2238; --line:#2C3552; --ink:#EEF1F7; --navy:#EEF1F7; --navy-2:#C5CBE0; --muted:#A3AAC0;
  --green:#3DBB6E; --green-soft:#16362A; --red:#F0646B; --red-soft:#3A1D24; --gold:#E9B949; --gold-soft:#3A2F17; --core:#8EA8F0; --core-soft:#1F2A4D;}
*{box-sizing:border-box}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--mist);color:var(--ink);font-family:Lexend,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.5}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--green);outline-offset:2px}
.top{background:var(--paper);border-bottom:1px solid var(--line)}
.top .in{max-width:920px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:12px}
.top img{width:44px;height:44px}
.brand{font-weight:600;font-size:18px;line-height:1.2}
.brand small{display:block;font-weight:400;font-size:13px;color:var(--muted)}
.who{margin-left:auto;font-size:14px;color:var(--muted);text-align:right}
.who b{color:var(--ink);font-weight:600}
main{max-width:920px;margin:0 auto;padding:28px 20px 60px}
h1{font-size:32px;line-height:1.15;margin:0 0 8px;font-weight:700;letter-spacing:-.01em}
h2{font-size:22px;margin:0 0 6px;font-weight:600}
h3{font-size:17px;margin:0 0 4px;font-weight:600}
p{margin:0 0 12px;max-width:68ch}
.lead{font-size:18px;color:var(--navy-2)}
.muted{color:var(--muted)}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px}
.stack>*+*{margin-top:16px}
label{display:block;font-weight:500;margin-bottom:6px}
input[type=text],select,textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--paper)}
textarea{min-height:120px;resize:vertical;font-size:14px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.row>*{flex:1 1 200px}
.row>.btn{flex:0 0 auto}
.fb .sol+p strong{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:12px 20px;font-weight:600;cursor:pointer;background:var(--green);color:#fff;min-height:46px}
.btn:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.navy{background:#1B2550;color:#fff}
.btn.small{padding:8px 14px;min-height:38px;font-size:14px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.link{background:none;border:0;color:var(--green);font-weight:600;cursor:pointer;padding:4px 0;text-decoration:underline;text-underline-offset:3px}
.grid2{display:grid;grid-template-columns:1.3fr 1fr;gap:20px}
@media (max-width:760px){.grid2{grid-template-columns:1fr}h1{font-size:27px}}
/* topic list */
.sec{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;padding:18px 0;border-top:1px solid var(--line)}
.sec:first-of-type{border-top:0}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.chip{border:1.5px solid var(--line);background:var(--paper);border-radius:999px;padding:6px 12px;font-size:13.5px;cursor:pointer;display:inline-flex;gap:6px;align-items:center}
.chip .dot{width:9px;height:9px;border-radius:50%}
.lv0 .dot,.dot.lv0{background:var(--green)} .lv1 .dot,.dot.lv1{background:var(--core)} .lv2 .dot,.dot.lv2{background:var(--red)}
.chip:hover{border-color:var(--navy-2)}
.done-mark{font-size:12px;color:var(--green);font-weight:600}
@media (max-width:640px){.sec{grid-template-columns:1fr}}
/* question */
.qhead{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:4px 10px;border-radius:999px}
.badge.lv0{background:var(--green-soft);color:var(--green)} .badge.lv1{background:var(--core-soft);color:var(--core)} .badge.lv2{background:var(--red-soft);color:var(--red)}
.steps{display:flex;gap:4px;margin-left:auto}
.steps span{width:22px;height:8px;border-radius:4px;background:var(--line)}
.steps span.cur{background:var(--navy-2)} .steps span.ok{background:var(--green)} .steps span.half{background:var(--gold)} .steps span.no{background:var(--red)}
.slate{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:28px 28px 24px;position:relative}
.qnum{font-size:14px;color:var(--muted);margin-bottom:6px}
.qtext{font-size:20px;line-height:1.6}
.m{font-family:"STIX Two Text","Cambria Math",Cambria,serif;font-size:1.18em;white-space:nowrap}
.m i,.pv i{font-style:italic}
.fr{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;margin:0 3px;line-height:1.15}
.fr .nu{border-bottom:1.5px solid currentColor;padding:0 4px 1px}
.fr .de{padding:1px 4px 0}
sup{font-size:.68em;line-height:0}
.ans{margin-top:22px}
.ansrow{display:flex;gap:10px;flex-wrap:wrap}
.ansrow input{flex:1 1 260px;font-size:20px;padding:12px 16px;font-family:"STIX Two Text",Cambria,serif}
.pv{min-height:34px;margin-top:8px;font-family:"STIX Two Text",Cambria,serif;font-size:21px;color:var(--navy-2)}
.pv .lab{font-family:Lexend,sans-serif;font-size:13px;color:var(--muted);margin-right:8px}
.pad{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.pad button{min-width:46px;height:40px;border-radius:8px;border:1.5px solid var(--line);background:var(--mist);cursor:pointer;font-family:"STIX Two Text",Cambria,serif;font-size:18px}
.pad button:hover{border-color:var(--navy-2)}
.fb{margin-top:18px;border-radius:12px;padding:14px 16px;display:none}
.fb.show{display:block}
.fb.good{background:var(--green-soft);color:var(--ink)} .fb.good strong{color:var(--green)}
.fb.bad{background:var(--red-soft)} .fb.bad strong{color:var(--red)}
.fb.info{background:var(--gold-soft)}
.sol{margin-top:10px;padding-left:18px}
.sol li{margin:4px 0}
.help{margin-top:18px;display:flex;gap:18px;flex-wrap:wrap}
.example{margin-top:14px;background:var(--mist);border-radius:12px;padding:16px 18px;border:1px dashed var(--line)}
.example h3{color:var(--navy-2)}
/* results */
.score{display:flex;align-items:baseline;gap:12px}
.score .big{font-size:56px;font-weight:700;line-height:1}
.bars{margin-top:8px}
.bar{display:grid;grid-template-columns:minmax(160px,1fr) 2fr 52px;gap:12px;align-items:center;padding:7px 0;font-size:14.5px}
.bar .track{height:12px;background:var(--mist);border-radius:6px;overflow:hidden;border:1px solid var(--line)}
.bar .fill{height:100%;border-radius:6px}
.code{font-family:Consolas,Menlo,monospace;font-size:13px;word-break:break-all;background:var(--mist);border:1.5px dashed var(--green);border-radius:10px;padding:12px;user-select:all}
/* teacher */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:18px;flex-wrap:wrap}
.tab{border:0;background:none;padding:10px 14px;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent}
.tab[aria-selected=true]{color:var(--ink);border-bottom-color:var(--green)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--paper)}
table.heat{border-collapse:collapse;font-size:13.5px;min-width:100%}
.heat th,.heat td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:center;white-space:nowrap}
.heat th:first-child,.heat td:first-child{text-align:left;position:sticky;left:0;background:var(--paper)}
.heat thead th{font-weight:600;font-size:12.5px;color:var(--muted);vertical-align:bottom}
.cell{display:inline-block;min-width:44px;padding:3px 6px;border-radius:6px;font-weight:600}
.h0{background:var(--red-soft);color:var(--red)} .h1{background:var(--gold-soft);color:var(--gold)} .h2{background:var(--green-soft);color:var(--green)}
.legend{display:flex;gap:14px;font-size:13px;color:var(--muted);flex-wrap:wrap;margin:10px 0}
.skillpick{display:grid;grid-template-columns:1fr 92px;gap:6px 12px;align-items:center;font-size:14.5px}
.skillpick select{padding:6px 8px}
.skillpick .sh{grid-column:1/-1;font-weight:600;margin-top:12px}
.note{font-size:14px;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:#1B2550;color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.show{opacity:1}

/* times tables */
.btn.gold{background:#A86A12;color:#fff}
.ttpanel{margin-bottom:20px;border-color:var(--gold);background:linear-gradient(0deg,var(--paper),var(--paper))}
.tthead{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.tthead>div:first-child{flex:1 1 300px;min-width:0}
.ttbest{display:flex;flex-direction:column;align-items:center;padding:8px 18px;border-radius:12px;background:var(--gold-soft)}
.big2{font-size:40px;font-weight:700;line-height:1;color:var(--gold);font-variant-numeric:tabular-nums}
.ttchoose{display:flex;gap:8px;flex-wrap:wrap}
.tchip{min-width:58px;height:48px;border-radius:10px;border:1.5px solid var(--line);background:var(--paper);font-weight:600;cursor:pointer;font-size:17px}
.tchip.on{background:var(--navy-2);border-color:var(--navy-2);color:var(--paper)}
.check{display:flex;gap:10px;align-items:center;font-weight:400}.check input{width:20px;height:20px}
.ttstage{max-width:520px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.countbig{font-size:120px;font-weight:700;text-align:center;color:var(--gold);line-height:1.1;margin-top:40px}
.ttstage .lead{text-align:center}
.tttop{display:flex;justify-content:space-between;font-size:18px;font-variant-numeric:tabular-nums}.tttop b{font-size:28px}
.ttbar{height:12px;border-radius:6px;background:var(--line);overflow:hidden}.ttbar span{display:block;height:100%;width:100%;background:var(--green);transition:width .1s linear}.ttbar span.low{background:var(--red)}
.ttq{font-family:"STIX Two Text",Cambria,serif;font-size:64px;text-align:center;padding:24px 8px;border-radius:18px;background:var(--paper);border:1px solid var(--line);font-variant-numeric:tabular-nums;line-height:1.2}
.ttq.ok{animation:okf .35s}.ttq.no{animation:nof .35s}.ttq .fix{color:var(--red)}
@keyframes okf{from{background:var(--green-soft)}}@keyframes nof{from{background:var(--red-soft)}}
.ttin input{width:100%;text-align:center;font-size:40px;font-family:"STIX Two Text",Cambria,serif;padding:8px;border:2px solid var(--navy-2);border-radius:12px;background:var(--paper);font-variant-numeric:tabular-nums}
.numpad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.numpad button{height:62px;border-radius:12px;border:1.5px solid var(--line);background:var(--paper);font-size:26px;font-weight:600;cursor:pointer}
.numpad button:active{background:var(--mist)}
.rank{font-family:Cinzel,Georgia,serif;font-weight:700;font-size:28px;color:var(--gold);margin:0}
.pb{background:var(--gold-soft);padding:10px 14px;border-radius:10px;font-weight:600}
/* class screen */
.screen{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:22px;overflow:auto}
.screen:fullscreen{border-radius:0;padding:40px;font-size:1.2em}
.scr-head{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.scr-head img{width:64px;height:64px}
.scr-cls{font-size:34px;font-weight:700;line-height:1.1}.scr-wk{color:var(--muted)}
.scr-avg{margin-left:auto;text-align:right}.scr-avg span{font-size:56px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}.scr-avg small{display:block;color:var(--muted)}
.scr-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
@media (max-width:760px){.scr-groups,.scr-boards{grid-template-columns:1fr!important}}
.scr-col{border-radius:14px;padding:14px;min-width:0}.scr-col h3{display:flex;justify-content:space-between;gap:12px;font-size:20px;margin-bottom:10px}
.scr-col.g-help{background:var(--red-soft)}.scr-col.g-help h3{color:var(--red)}.scr-col.g-dev{background:var(--gold-soft)}.scr-col.g-dev h3{color:var(--gold)}.scr-col.g-ok{background:var(--green-soft)}.scr-col.g-ok h3{color:var(--green)}
.scr-list{display:flex;flex-direction:column;gap:6px}
.scr-kid{display:flex;justify-content:space-between;gap:8px;background:var(--paper);border-radius:8px;padding:8px 12px;font-size:19px}.scr-kid b{font-variant-numeric:tabular-nums}
.scr-empty{color:var(--muted);margin:0}
.scr-boards{display:grid;grid-template-columns:1fr 1fr;gap:20px}.scr-boards h3{font-size:19px;margin-bottom:8px}
ol.lb{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.lb li{display:grid;grid-template-columns:40px 1fr auto;gap:10px;align-items:center;padding:8px 12px;border-radius:10px;background:var(--mist);font-size:18px}
.lb .pos{font-weight:700;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--line)}
.lb li:first-child .pos{background:var(--green);color:#fff}.lb.tt li:first-child .pos{background:#A86A12;color:#fff}
.lb .pt{font-variant-numeric:tabular-nums;color:var(--muted)}
/* awards */
.awhead{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
label.inline{display:flex;gap:8px;align-items:center;font-weight:400;font-size:14px;margin:0}label.inline select{width:auto;padding:6px 8px}
.awlist{display:flex;flex-direction:column;gap:8px}
.aw{display:grid;grid-template-columns:24px minmax(150px,auto) minmax(140px,auto) 1fr;gap:10px;align-items:center;padding:10px 12px;border-radius:10px;background:var(--mist);margin:0;font-weight:400;cursor:pointer}
.aw input{width:18px;height:18px}.awt{font-weight:600}.awn{font-weight:600}.awr{color:var(--muted);font-size:14px;min-width:0}
.aw.star .awt{color:var(--green)}.aw.crown .awt{color:var(--gold)}
@media (max-width:640px){.aw{grid-template-columns:24px 1fr}.aw .awn,.aw .awr{grid-column:2}}
.certpv{width:100%;height:auto;border:1px solid var(--line);border-radius:8px;margin-top:12px}
/* full curriculum */
.fig{margin:16px 0 4px;overflow-x:auto;color:var(--ink)}
.fig svg{display:block}
table.qt{border-collapse:collapse;font-variant-numeric:tabular-nums;font-size:16px;background:var(--paper)}
table.qt th,table.qt td{border:1.5px solid var(--line);padding:6px 12px;text-align:center;min-width:44px}
table.qt th{background:var(--mist);font-weight:600}
.key{font-size:13px;color:var(--muted);margin:6px 0 0}
.cv{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;border-left:1.5px solid currentColor;border-right:1.5px solid currentColor;border-radius:9px;padding:0 7px;line-height:1.15;margin:0 3px}
.rd{position:relative;display:inline-block}.rd::after{content:'';position:absolute;left:50%;top:0;width:.18em;height:.18em;border-radius:50%;background:currentColor;transform:translateX(-50%)}
.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}
.opt{display:flex;gap:12px;align-items:center;text-align:left;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--paper);cursor:pointer;font-size:17px;min-height:56px;color:var(--ink)}
.opt:hover{border-color:var(--navy-2)}.opt .ol{flex:0 0 28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--mist);font-weight:600;font-size:14px}
.opt[disabled]{opacity:.55;cursor:default}.opt.picked{border-color:var(--navy-2)}
.units{display:flex;flex-direction:column;padding:8px}
.unitrow{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:14px;align-items:center;text-align:left;padding:12px;border:0;border-bottom:1px solid var(--line);background:none;cursor:pointer;border-radius:10px;color:var(--ink)}
.unitrow:last-child{border-bottom:0}.unitrow:hover{background:var(--mist)}
.un{width:40px;height:40px;border-radius:10px;background:var(--core-soft);color:var(--core);display:grid;place-items:center;font-weight:700;font-variant-numeric:tabular-nums}
.ut b{display:block;font-weight:600}.ut small{color:var(--muted)}
.up{font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center;white-space:nowrap}
.ring{width:18px;height:18px;border-radius:50%;background:conic-gradient(var(--green) calc(var(--p)*1%),var(--line) 0)}
@media (max-width:560px){.unitrow{grid-template-columns:40px minmax(0,1fr)}.up{grid-column:2}}
.unitpick{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:6px 14px}
.uchk{display:flex;gap:8px;align-items:center;font-weight:400;margin:0}
.skillpick .uh{font-size:17px;color:var(--core);margin-top:18px}
.stagebar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}
.chip.on{background:var(--navy-2);border-color:var(--navy-2);color:#fff}
.rs-week{margin-top:12px;padding:14px 18px}
.rs-week>summary{cursor:pointer;list-style:none;line-height:1.5}
.rs-week>summary::-webkit-details-marker{display:none}
.rs-week>summary::before{content:'▸ ';color:var(--muted)}
.rs-week[open]>summary::before{content:'▾ '}
.rs-book{font-size:14px;color:var(--muted)}
.pill{display:inline-block;background:var(--green);color:#fff;border-radius:999px;padding:1px 10px;font-size:12px;font-weight:700;margin-left:6px}
.rs-row{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:12px 0}
.rs-name{flex:1 1 260px;min-width:0}.rs-name small{display:block;color:var(--muted);font-size:13px;margin-top:2px}
.rs-btns{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.btn.small,.link.small{font-size:13px;padding:6px 10px}
.link.small{padding:6px 4px}
.rs-week-btns{display:flex;flex-wrap:wrap;gap:8px;align-items:center;border-top:1px dashed var(--line);padding-top:12px;margin-top:4px}
.rs-week-btns .wl{max-width:220px;padding:6px 10px;font-size:14px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.row.wrap{flex-wrap:wrap}
.skillpick .off{opacity:.45}.skillpick small.calc{font-size:11px;background:var(--gold-soft);color:var(--gold);border-radius:6px;padding:1px 6px;margin-left:4px}
.up-list{display:grid;gap:6px}.up-row{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid var(--line);padding:8px 0}.up-row small{display:block}
.rep-kpis{display:flex;gap:10px;flex-wrap:wrap}.rep-kpis div{background:var(--mist);border-radius:12px;padding:8px 14px;text-align:center;min-width:90px}.rep-kpis b{display:block;font-size:22px}.rep-kpis span{font-size:12px;color:var(--muted)}
.rep-t{width:100%;border-collapse:collapse;font-size:14px}.rep-t th,.rep-t td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left}.rep-t th{color:var(--muted);font-weight:600}
.rep .hi,.rep-kpis .hi{color:var(--green)}.rep .mid,.rep-kpis .mid{color:var(--gold)}.rep .lo,.rep-kpis .lo{color:var(--red)}
.rep{overflow-x:auto}
.pp-page h2{margin:4px 0 16px}.pp-q{display:flex;gap:14px;border-top:1px solid var(--line);padding:14px 0}.pp-n{font-size:18px;min-width:24px}.pp-part{margin-bottom:12px}.pp-line{text-align:right;color:var(--muted);margin-top:8px}.pp-ms{font-size:13px;color:var(--green);margin-top:4px}
@media print{body.printing-paper header,body.printing-paper .tabs,body.printing-paper #tp>section,body.printing-paper h1,body.printing-paper .lead,body.printing-paper p:has(#home){display:none!important}body.printing-paper .pp-ms{display:none}body.printing-paper #pview .panel{border:0;box-shadow:none}}
#pres{position:fixed;inset:0;z-index:1000;background:#0F1530;display:flex;flex-direction:column}
#pres[hidden]{display:none}
.pv-top{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 14px;color:#C5CBE0;font-size:14px;flex-wrap:wrap}
.pv-tools{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.pv-b{background:#2A3360;color:#fff;border:0;border-radius:8px;padding:6px 12px;font:inherit;cursor:pointer}.pv-b:hover{background:#3A4570}.pv-b[hidden]{display:none}
.pv-clock{font-weight:800;font-size:28px;color:#fff;background:#B7791F;border-radius:10px;padding:2px 14px;font-variant-numeric:tabular-nums}.pv-clock.low{background:#C8232C}.pv-clock.done{background:#C8232C;animation:pvp 1s infinite}@keyframes pvp{50%{opacity:.5}}
.pv-stage{flex:1;display:flex;align-items:center;justify-content:center;padding:0 14px 14px;min-height:0}
.pv-slide{background:#fff;color:#1B2550;width:min(100%,calc((100vh - 80px)*16/9));aspect-ratio:16/9;border-radius:10px;padding:2.2% 3%;overflow:auto;font-size:clamp(14px,1.7vw,30px);border-top:clamp(18px,3vw,48px) solid #1B2550}
.pv-h{margin:0 0 .5em;font-size:1.5em;color:#1B2550}
.pv-lo{font-size:1.05em}.pv-note{color:#5B6478;font-style:italic}
.pv-sc{display:grid;gap:.4em;margin:.6em 0}.pv-sci{display:flex;gap:.6em;align-items:center}.pv-sci span{color:#fff;border-radius:.4em;padding:.15em .6em;font-weight:700;min-width:5.5em;text-align:center;font-size:.85em}.pv-sci.l0 span{background:#C8232C}.pv-sci.l1 span{background:#B7791F}.pv-sci.l2 span{background:#00843A}
.pv-rag3{margin-left:auto;display:flex;gap:.4em}.pv-rag3 i{width:1.3em;height:1.3em;border-radius:50%;display:inline-block}.pv-rag3 .r{background:#C8232C}.pv-rag3 .a{background:#B7791F}.pv-rag3 .g{background:#00843A}
.pv-voc{background:#E7ECF8;border-radius:.4em;padding:.4em .7em}
.pv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.6em}.pv-grid.n1,.pv-grid.n2{grid-template-columns:repeat(2,1fr)}.pv-grid.n3{grid-template-columns:repeat(3,1fr)}
.pv-card{background:#F2F5F3;border-radius:.5em;padding:.5em .7em;position:relative;font-size:.8em}.pv-num{display:inline-flex;width:1.6em;height:1.6em;border-radius:50%;background:#1B2550;color:#fff;align-items:center;justify-content:center;font-weight:700;margin-right:.4em;float:left}
.pv-q{margin-bottom:.3em}.pv-slide .fig svg{max-height:9em;width:auto}.pv-slide .fig{margin:.3em 0}
.pv-ans{color:#00843A;font-weight:700;margin-top:.3em}
.pv-two{display:grid;grid-template-columns:1fr 1fr;gap:1em}.pv-ex,.pv-yt{border:3px solid #1B2550;border-radius:.5em;padding:0 .7em .6em;font-size:.85em}.pv-yt{border-color:#00843A}
.pv-lab{margin:0 -.7em .5em;padding:.25em .7em;color:#fff;background:#1B2550;font-weight:700}.pv-yt .pv-lab{background:#00843A}
.pv-steps{color:#2E4A9E;padding-left:1.3em}.pv-opts li{margin:.2em 0}.pv-opts li.ok{color:#00843A;font-weight:700}
.pv-rag{display:grid;grid-template-columns:repeat(3,1fr);gap:.6em;font-size:.72em}.pv-col{border-radius:.5em;padding:0 .6em .5em;border:3px solid}.pv-col.r{background:#FBE8E9;border-color:#C8232C}.pv-col.a{background:#FBF1DE;border-color:#B7791F}.pv-col.g{background:#E3F2E8;border-color:#00843A}
.pv-col .pv-lab{background:none;color:inherit;font-size:1.2em;margin:0;padding:.3em 0}.pv-col.r .pv-lab{color:#C8232C}.pv-col.a .pv-lab{color:#B7791F}.pv-col.g .pv-lab{color:#00843A}.pv-col li{margin-bottom:.5em}
.pv-slide .m{font-family:'STIX Two Text',serif}
.row>.chip{flex:0 0 auto}
.steps button{width:22px;height:8px;border-radius:4px;background:var(--line);border:0;padding:0;cursor:pointer}
.steps button.cur{background:var(--navy-2);outline:2px solid var(--navy-2);outline-offset:2px}.steps button.done{background:var(--core)}
.steps button:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.atools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px}.atools .small{font-size:13px}.atools [hidden]{display:none}
.alist{margin:0;padding-left:20px;line-height:1.6}
.pend{margin-bottom:16px;border-left:5px solid var(--gold)}
.review{margin-top:18px}.rv-nav{display:flex;flex-wrap:wrap;gap:6px}
.rv-dot{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;font-weight:700;text-decoration:none;color:#fff}
.rv-dot.ok{background:var(--green)}.rv-dot.no{background:var(--red)}.rv-dot.skip{background:var(--muted)}
.rv{border-top:1px solid var(--line);padding:10px 0}.rv>summary{cursor:pointer;font-weight:600}.rv-mark{display:inline-block;width:1.4em;font-weight:800}
.rv.ok .rv-mark{color:var(--green)}.rv.no .rv-mark{color:var(--red)}.rv.skip .rv-mark{color:var(--muted)}
.rv-sol{background:var(--green-soft);border-radius:10px;padding:10px 14px}
.rv-opts li{margin:2px 0}
.cheer{display:flex;align-items:center;gap:10px;font-size:19px}
.cheer-emoji{font-size:30px;line-height:1;display:inline-block;animation:cheerPop .45s cubic-bezier(.2,1.6,.4,1)}
@keyframes cheerPop{0%{transform:scale(.2) rotate(-20deg);opacity:0}100%{transform:scale(1) rotate(0);opacity:1}}
.streak{margin-top:6px;font-weight:700;color:var(--gold)}
.fb{position:relative}
.burst{position:absolute;left:28px;top:22px;pointer-events:none;z-index:5}
.burst span{position:absolute;font-size:20px;animation:burstFly 1.1s ease-out forwards;opacity:0}
@keyframes burstFly{0%{transform:translate(0,0) scale(.4);opacity:1}100%{transform:translate(var(--dx),var(--dy)) scale(1.1);opacity:0}}
.endcheer{font-size:18px;font-weight:600;margin:0}
@media (prefers-reduced-motion:reduce){.cheer-emoji{animation:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}