/* Per-screen layouts, landscape tablet first (1280×800), in the UI demo's visual language. */
.foot{margin-top:auto}
.mini{width:2.6rem;height:2.6rem;border-radius:.8rem;background:var(--s2);padding:.3rem;border:1px solid var(--hair);flex:none}
.tiny{width:1.7rem;height:1.7rem;border-radius:.5rem;background:var(--s2);padding:.15rem;margin-right:-.3rem;border:1px solid var(--bg)}
.ava{width:2.8rem;height:2.8rem;border-radius:.9rem;background:linear-gradient(150deg,var(--violet),var(--blue));display:grid;place-items:center;font-size:1.2rem;font-weight:800;flex:none;border:2px solid rgba(255,255,255,.12)}
.tiles.two{grid-template-columns:1fr 1fr}
.tile.left{text-align:left;padding:.8rem 1rem}
.gl{stroke:rgba(255,255,255,.06);stroke-width:1}

/* the kid stage: rings and a big mascot (s23) */
.kidstage{position:relative;display:grid;place-items:center}
.rng{position:absolute;width:15rem;height:15rem;border-radius:50%;border:2px solid rgba(240,185,76,.28);animation:rp 3.4s ease-out infinite}
.rng.b2{animation-delay:1.7s}
@keyframes rp{0%{transform:scale(.7);opacity:.9}100%{transform:scale(1.35);opacity:0}}
.wave{display:flex;gap:.4rem;justify-content:center;align-items:center;height:2.6rem}
.wave i{width:.38rem;border-radius:.3rem;background:var(--gold);animation:eq 1.1s ease-in-out infinite}
.wave i:nth-child(1){height:1rem}.wave i:nth-child(2){height:2rem;animation-delay:.13s}.wave i:nth-child(3){height:2.6rem;animation-delay:.26s}.wave i:nth-child(4){height:1.6rem;animation-delay:.39s}.wave i:nth-child(5){height:2.2rem;animation-delay:.52s}

/* 1. login */
.login{flex:1;display:grid;grid-template-columns:22rem 1fr;gap:2rem;min-height:0}
.login-side{display:flex;flex-direction:column;align-items:center;gap:.8rem;justify-content:center}
.login-side .bubble{text-align:center}
.login-side .mxbar{width:100%}
.faces{display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem;align-content:center;transition:opacity var(--t-base)}
.face{display:flex;flex-direction:column;align-items:center;gap:.35rem;padding:.8rem .4rem .7rem;border-radius:1.2rem;background:var(--s1);border:2px solid var(--hair);box-shadow:0 5px 0 var(--d-shadow);
  transition:transform .07s,box-shadow .07s,opacity var(--t-base),border-color var(--t-fast);font-weight:700;font-size:.9rem}
.face:active{transform:translateY(4px);box-shadow:0 1px 0 var(--d-shadow)}
.fimg{width:5.2rem;height:5.2rem}
.faces.chosen .face:not(.picked){opacity:.25}
.face.picked{border-color:var(--gold);background:rgba(240,185,76,.12);animation:pickpop .5s var(--pop)}
@keyframes pickpop{50%{transform:scale(1.08)}}

/* 2. what is this */
.look{flex:1;display:grid;grid-template-columns:1fr 26rem;gap:1.6rem;min-height:0}
.look-main{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.7rem}
.said{text-align:center}.said h2{font-size:1.8rem;font-weight:800}
.bigbtns{display:grid;grid-template-columns:repeat(3,8.5rem);gap:1rem;margin-top:.4rem}
.bigbtns .ic{width:2.4rem;height:2.4rem}
.look-side{display:flex;flex-direction:column;gap:.75rem;min-height:0}
.things{display:grid;grid-template-columns:repeat(4,1fr);gap:.55rem;margin-top:.6rem}
.thingbtn{aspect-ratio:1;border-radius:1rem;background:var(--s2);border:2px solid rgba(255,255,255,.07);display:grid;place-items:center;box-shadow:0 4px 0 var(--d-shadow);transition:transform .07s,box-shadow .07s;position:relative;overflow:hidden}
.thingbtn img{width:68%;height:68%}
.thingbtn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--d-shadow)}
.thingbtn.scan{border-color:var(--green)}
.thingbtn.scan::after,.wsbtn.scan::after{content:'';position:absolute;left:0;right:0;height:30%;background:linear-gradient(transparent,rgba(111,191,139,.55),transparent);animation:scanl .65s linear infinite}
@keyframes scanl{from{top:-30%}to{top:100%}}
.answer{border-color:rgba(111,191,139,.4)}
.ansimg{width:3.6rem;height:3.6rem;border-radius:.8rem;object-fit:cover;background:var(--s2);padding:.3rem}
.answord{font-size:1.9rem;font-weight:800;line-height:1.1}

/* 3. games hub and a game */
.hub{flex:1;display:grid;grid-template-columns:16rem 1fr;gap:1.5rem;align-items:center;min-height:0}
.hub-side{display:flex;flex-direction:column;align-items:center;gap:.8rem}
.stones{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.stone{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1.4rem .8rem 1.2rem;border-radius:1.5rem;background:var(--s1);border:2px solid var(--hair);box-shadow:0 6px 0 var(--d-shadow);transition:transform .07s,box-shadow .07s}
.stone:active{transform:translateY(5px);box-shadow:0 1px 0 var(--d-shadow)}
.stone .disc{width:8rem;height:8rem;border-radius:50%;display:grid;place-items:center;background:linear-gradient(180deg,#FFD979,var(--gold));box-shadow:0 6px 0 var(--gold-d),0 0 30px -4px rgba(240,185,76,.55)}
.stone.done .disc{background:linear-gradient(180deg,#7BD68C,var(--win));box-shadow:0 6px 0 var(--win-d)}
.stone .disc img{width:4.6rem;height:4.6rem}
.stone .glyph{font-size:4.6rem;font-weight:800;color:var(--ink-on-gold);line-height:1}
.stone .nm{font-size:1.25rem;font-weight:800}
.stone .lv{font-size:.74rem;color:var(--mut);font-weight:700}
.gamewrap{flex:1;display:grid;grid-template-columns:13rem 1fr;gap:1.2rem;min-height:0}
.game-side{display:flex;flex-direction:column;align-items:center;gap:.8rem;padding-top:1rem}
.game-side .bubble{font-size:1rem}
.gamearea{position:relative;min-height:0;display:flex}
.cheer{position:absolute;inset:0;display:grid;place-items:center;align-content:center;gap:.6rem;background:rgba(15,30,26,.72);border-radius:var(--r-lg);animation:fade var(--t-base) both;z-index:5}
.cheer img{width:6rem;height:6rem;animation:pop .5s var(--pop) both}
.cheer b{font-size:2.6rem;font-weight:800;color:var(--gold)}
.game{flex:1;display:flex;min-height:0}
/* trace */
.game.trace{align-items:center;justify-content:center;gap:1.5rem}
.trace .board{position:relative;height:min(100%,33rem);aspect-ratio:1;border-radius:var(--r-lg);background:var(--s1);border:2px solid var(--hair);box-shadow:0 6px 0 var(--d-shadow);touch-action:none}
.trace canvas{position:absolute;inset:0;touch-action:none}
.start-dot{position:absolute;width:1.6rem;height:1.6rem;margin:-.8rem 0 0 -.8rem;border-radius:50%;background:var(--win);box-shadow:0 0 0 .4rem rgba(88,204,104,.3);animation:pl 1.4s ease-in-out infinite;pointer-events:none}
@keyframes pl{50%{box-shadow:0 0 0 .9rem rgba(88,204,104,.08)}}
.tools{display:flex;flex-direction:column;gap:1rem}
.tool{width:5rem;height:5rem;border-radius:1.3rem;display:grid;place-items:center;background:var(--s2);border:2px solid rgba(255,255,255,.08);box-shadow:0 5px 0 var(--d-shadow)}
.tool .ic{width:2.2rem;height:2.2rem}
.tool.done{background:linear-gradient(180deg,#7BD68C,var(--win));color:#08160C;box-shadow:0 5px 0 var(--win-d)}
.tool:active{transform:translateY(4px);box-shadow:0 1px 0 var(--d-shadow)}
/* count */
.game.count{flex-direction:column;gap:1rem}
.themes{flex:1;display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;align-items:center}
.theme{display:flex;flex-direction:column;align-items:center;gap:.6rem;padding:1.6rem .8rem;border-radius:1.5rem;background:var(--s1);border:2px solid var(--hair);box-shadow:0 6px 0 var(--d-shadow);font-size:1.15rem;font-weight:800}
.theme img{width:7rem;height:7rem}
.theme.chosen{border-color:var(--gold);background:rgba(240,185,76,.14);transform:scale(1.05)}
.field{position:relative;flex:1;border-radius:var(--r-lg);background:var(--s1);border:2px solid var(--hair);min-height:0}
.thing{position:absolute;width:6.4rem;height:6.4rem;margin:-3.2rem 0 0 -3.2rem;border-radius:50%;display:grid;place-items:center;animation:pop .45s var(--pop) both;animation-delay:var(--d);touch-action:none}
.thing img{width:5.4rem;height:5.4rem;transition:transform var(--t-fast) var(--pop)}
.thing.counted{background:rgba(240,185,76,.14)}
.thing.counted img{transform:scale(.9)}
.thing b{position:absolute;top:-.3rem;right:-.3rem;width:2.3rem;height:2.3rem;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:var(--ink-on-gold);font-size:1.3rem;font-weight:800;box-shadow:0 3px 0 var(--gold-d);animation:pop .35s var(--pop) both}
.thing.wobble{animation:mxShake .42s ease-in-out}
@keyframes mxShake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}55%{transform:translateX(5px)}80%{transform:translateX(-2px)}}
.answers{display:flex;justify-content:center;gap:1.4rem}
.num{width:7.2rem;height:7.2rem;border-radius:1.6rem;font-size:3.6rem;font-weight:800;background:var(--s2);border:2px solid rgba(255,255,255,.08);box-shadow:0 6px 0 var(--d-shadow);animation:pop .4s var(--pop) both}
.num.right{background:linear-gradient(180deg,#7BD68C,var(--win));color:#08160C;box-shadow:0 6px 0 var(--win-d)}
.num.wrong{animation:mxShake .42s ease-in-out;border-color:var(--warn)}
/* shapes */
.game.shapes{gap:1.5rem}
.tray,.homes{flex:1;display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;align-content:center;justify-items:center;padding:1rem;border-radius:var(--r-lg)}
.homes{background:var(--s1);border:2px dashed rgba(255,255,255,.12)}
.piece,.home{width:7.6rem;height:7.6rem;display:grid;place-items:center}
.piece{cursor:grab;touch-action:none;transition:transform .25s var(--ez);filter:drop-shadow(0 6px 0 rgba(0,0,0,.4));z-index:2}
.piece.dragging{transition:none;z-index:10;filter:drop-shadow(0 14px 10px rgba(0,0,0,.5))}
.piece.placed{filter:none;pointer-events:none}
.piece svg,.home svg{width:86%;height:86%;overflow:visible}
.home svg{fill:rgba(255,255,255,.03);stroke:rgba(246,242,232,.45);stroke-width:3;stroke-dasharray:7 6}
.home.filled svg{opacity:0}
.home.nope{animation:mxShake .42s ease-in-out}

/* 4. it learns each child */
.grow-grid{flex:1;display:grid;grid-template-columns:1.1fr 1fr;gap:1rem;min-height:0;align-items:start}
.skills{display:flex;flex-direction:column;gap:.55rem;margin-top:.6rem}
.skillrow .t{font-size:.9rem;font-weight:700}.skillrow .v{font-size:.78rem;color:var(--mut);font-weight:700}
.bar.dual{position:relative;margin-top:.3rem}
.bar.dual i{position:absolute;left:0;top:0;bottom:0}
.bar.dual i.was{background:rgba(255,255,255,.18);transition:none}
.noticed .lr{padding:.35rem 0}
.next{border-color:rgba(240,185,76,.45);background:linear-gradient(140deg,rgba(240,185,76,.12),var(--s1) 60%)}
.ndisc{width:3.6rem;height:3.6rem;border-radius:50%;display:grid;place-items:center;background:linear-gradient(180deg,#FFD979,var(--gold));box-shadow:0 4px 0 var(--gold-d);flex:none}
.ndisc img{width:2.2rem;height:2.2rem}
.why{margin-top:.4rem}.why .lr{padding:.3rem 0}
.spark{width:100%;height:6.6rem;margin-top:.4rem}
.spark .tx{fill:var(--mut);font-size:9px;font-family:var(--font);font-weight:700}
.legend{display:flex;gap:1rem;font-size:.7rem;color:var(--mut);font-weight:700}
.legend i{display:inline-block;width:.6rem;height:.6rem;border-radius:50%;margin-right:.3rem;vertical-align:middle}
.loop{display:flex;align-items:center;gap:.6rem;padding:.6rem .9rem;border-radius:var(--r);background:var(--s1);border:1px solid var(--hair)}
.lstep{display:flex;align-items:center;gap:.45rem;font-size:.78rem;font-weight:700;opacity:.35;animation:lit .5s var(--ez) forwards}
@keyframes lit{to{opacity:1}}
.lstep b{display:grid;place-items:center;width:1.4rem;height:1.4rem;border-radius:50%;background:var(--gold);color:var(--ink-on-gold);font-size:.7rem}
.larrow{color:var(--mut2)}

/* paper pages */
.paper{position:relative;background:#EFE8D8;color:#2A2A26;border-radius:.9rem;padding:1.2rem 1.4rem 2.6rem;box-shadow:0 18px 40px -18px #000;transform:rotate(-.4deg);font-family:Georgia,'Times New Roman',serif;user-select:text}
.paper .ph{font-family:var(--font);font-size:.6rem;letter-spacing:.12em;font-weight:800;text-transform:uppercase;color:#5C5A50}
.paper .pt{font-family:var(--font);font-size:1.05rem;font-weight:800;margin:.35rem 0 .6rem;color:#1E2A22}
.paper p{position:relative;font-size:.86rem;line-height:1.5;margin:0 0 .55rem;padding:.15rem .3rem .15rem 1.4rem;border-radius:.35rem;transition:background var(--t-slow)}
.paper .pn{position:absolute;left:.2rem;top:.2rem;font-family:var(--font);font-size:.62rem;font-weight:800;color:#8C877A}
.paper p.hl{background:rgba(240,185,76,.42);box-shadow:inset 3px 0 0 #C9871F}
.paper .fig{display:flex;gap:.8rem;align-items:center;border:1px solid #CFC6B2;border-radius:.6rem;padding:.5rem;margin-top:.4rem;background:#F6F1E4}
.paper .fig.hl{background:rgba(240,185,76,.42);border-color:#C9871F}
.paper .figart{width:7rem;flex:none}.paper .figart svg{width:100%;display:block}
.paper .cap{font-size:.78rem;line-height:1.35}
.paper .dtag{position:absolute;left:.8rem;bottom:.7rem;background:rgba(15,30,26,.9);color:var(--paper);font-family:var(--font);font-size:.68rem;font-weight:700;padding:.22rem .55rem;border-radius:.45rem}
.paper.small{transform:rotate(-.6deg) scale(1);padding-bottom:2.4rem}
.paper.small p{font-size:.74rem;line-height:1.4;margin-bottom:.4rem}

/* 5. add a chapter */
.chap{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;min-height:0}
.chap-left{display:flex;flex-direction:column;gap:.7rem;min-height:0}
.docwrap{position:relative;flex:1;min-height:0;overflow:hidden;border-radius:1rem}
.docwrap .paper{height:100%;overflow:hidden}
.scan{position:absolute;left:0;right:0;height:22%;background:linear-gradient(transparent,rgba(111,191,139,.35),transparent);animation:scanl 1.3s linear infinite;pointer-events:none}
.thumbs{display:flex;gap:.35rem}
.th{flex:1;height:2.4rem;border-radius:.4rem;background:var(--s2);border:1px solid var(--hair2);display:grid;place-items:center;font-size:.66rem;font-weight:800;color:var(--mut2);transition:all var(--t-fast)}
.th.on{background:#EFE8D8;color:#2A2A26}
.chap-right{min-height:0}
.ready{border-color:rgba(111,191,139,.45);text-align:left}

/* 6. ask */
.ask{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;min-height:0}
.ask-left{display:flex;flex-direction:column;gap:.6rem;min-height:0;overflow:hidden}
.ask-left #page{flex:1;min-height:0;overflow:hidden}
.citetabs{display:flex;gap:.4rem;flex-wrap:wrap;min-height:1.7rem}
.ask-right{min-height:0;overflow:hidden}
.askrow{display:flex;gap:.5rem}
.askrow input{flex:1;height:2.7rem;border-radius:.9rem;border:2px solid var(--hair);background:var(--s1);padding:0 1rem;font-size:1rem}
.askrow input:focus{outline:none;border-color:var(--gold)}
.sugg{display:flex;flex-wrap:wrap;gap:.4rem}
.sugg .chip{cursor:pointer;font-weight:700}
.asked{background:rgba(240,185,76,.08)}
.answer-text{font-size:1.15rem;line-height:1.5;font-weight:500}
.cite{background:var(--s1);border:1px solid rgba(111,191,139,.35);border-radius:var(--r);padding:.8rem 1rem}
.citebtn{width:100%;text-align:left}
.cite .k{color:var(--green);font-weight:800;font-size:.9rem;min-width:4.6rem}
.hints .hl-list{margin:.6rem 0;padding-left:1.3rem;display:flex;flex-direction:column;gap:.45rem}
.hints li{font-size:.98rem;line-height:1.4}
.hid{display:none}
.tryq{margin:.2rem 0 .6rem;padding:.5rem .7rem;border-radius:.6rem;background:var(--s2);font-size:.92rem}
.ask-left .btn{white-space:nowrap;flex:none}
.wsgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem}
.wsbtn{position:relative;overflow:hidden;display:flex;flex-direction:column;gap:.4rem;align-items:stretch;text-align:left;font-size:.74rem;font-weight:700;color:var(--mut)}
.wsbtn .wsp{background:#EFE8D8;color:#2A2A26;border-radius:.6rem;padding:.6rem;height:9rem;font-family:Georgia,serif;font-size:.62rem;line-height:1.5;box-shadow:0 8px 16px -10px #000;transform:rotate(-1deg)}
.wsbtn.on .wsp{outline:3px solid var(--gold)}

/* skill path (s2) */
.map{flex:1;position:relative;background:var(--s1);border:1px solid var(--hair);border-radius:var(--r);min-height:0}
.map svg{position:absolute;inset:0;width:100%;height:100%}
.node{position:absolute;width:4.4rem;height:4.4rem;border-radius:50%;display:grid;place-items:center;transform:translate(-50%,-50%);font-size:1.5rem;font-weight:800}
.node.done{background:linear-gradient(180deg,#7BD68C,var(--win));box-shadow:0 6px 0 var(--win-d);color:#08160C}
.node.now{background:linear-gradient(180deg,#FFD979,var(--gold));box-shadow:0 6px 0 #B57F14,0 0 30px -2px rgba(240,185,76,.65);color:#1A1205}
.node.now::before{content:'';position:absolute;inset:-.6rem;border-radius:50%;border:4px solid rgba(240,185,76,.22);border-top-color:var(--gold);border-right-color:var(--gold);animation:dRing 2.6s linear infinite}
@keyframes dRing{to{transform:rotate(360deg)}}
.node.lock{background:linear-gradient(180deg,#2E4A3E,#22382F);box-shadow:0 6px 0 #16261F;color:var(--mut2);font-size:1.2rem}
.node .cap{position:absolute;top:5rem;font-size:.7rem;color:var(--mut);white-space:nowrap;font-weight:700}
.node.now .cap{color:var(--gold)}

/* quiz (s3, s4) */
.dbar{display:flex;align-items:center;gap:.7rem}
.dheart{display:flex;gap:.2rem;font-size:1rem}.dheart i{font-style:normal}.dheart i.gone{opacity:.22;filter:grayscale(1)}
.quiz{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;align-items:center}
.qbox{background:linear-gradient(160deg,var(--s2),var(--s1));border:1px solid var(--hair);border-radius:1.2rem;padding:2rem 1.6rem;text-align:center;box-shadow:0 4px 0 rgba(0,0,0,.3)}
.opts{display:flex;flex-direction:column;gap:.8rem}
.opt{display:flex;align-items:center;gap:.7rem;background:var(--s1);border:2px solid rgba(255,255,255,.06);border-radius:1rem;padding:.95rem 1rem;font-size:1.05rem;font-weight:700;text-align:left;box-shadow:0 5px 0 var(--d-shadow);transition:transform .07s,box-shadow .07s}
.opt:active{transform:translateY(4px);box-shadow:0 1px 0 var(--d-shadow)}
.opt .k{width:1.8rem;height:1.8rem;border-radius:.55rem;display:grid;place-items:center;background:var(--s2);border:2px solid rgba(255,255,255,.12);font-size:.8rem;font-weight:800;flex:none}
.opt.picked{border-color:var(--green);background:rgba(111,191,139,.18);box-shadow:0 5px 0 var(--win-d)}
.opt.picked .k{background:var(--win);color:#08160C;border-color:var(--win-d)}
.opt.nope{animation:mxShake .42s ease-in-out;border-color:rgba(240,185,76,.55);box-shadow:0 5px 0 var(--warn-d)}
.dverdict{position:absolute;left:0;right:0;bottom:0;z-index:30;padding:1rem 2rem 1.3rem;border-top:2px solid var(--win-d);background:rgba(40,92,52,.97);clip-path:inset(100% 0 0 0);pointer-events:none;transition:clip-path .34s var(--ez);display:grid;grid-template-columns:1fr auto;align-items:center;gap:.2rem 1rem}
.dverdict.on{clip-path:inset(0 0 0 0);pointer-events:auto}
.dverdict .h{font-size:1.4rem;font-weight:800;color:#DFF7E4}
.dverdict .s{font-size:.95rem;color:#A9DCB6;font-weight:600}
.dverdict .go{grid-row:1/3;grid-column:2;background:var(--win);color:#08160C;font-weight:800;font-size:1.05rem;padding:.9rem 2rem;border-radius:1rem;box-shadow:0 5px 0 var(--win-d)}
.dverdict.warn{background:rgba(120,92,20,.97);border-top-color:var(--warn-d)}
.dverdict.warn .h{color:#FFEFC2}.dverdict.warn .s{color:#E8D08A}
.dverdict.warn .go{background:var(--warn);box-shadow:0 5px 0 var(--warn-d)}
.quizdone{flex:1;display:grid;grid-template-columns:1fr 1.2fr;gap:2rem;align-items:center}
.burst{display:grid;place-items:center}
.bigtick{width:11rem;height:11rem;border-radius:50%;background:linear-gradient(150deg,var(--green),#3E8A5C);display:grid;place-items:center;box-shadow:0 0 70px -6px rgba(111,191,139,.65)}
.bigtick svg{width:5rem;height:5rem;stroke:#0F1E1A;fill:none;stroke-width:3.4;stroke-dasharray:60;stroke-dashoffset:60;animation:draw .55s var(--ez) .3s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.lb{display:flex;align-items:center;gap:.6rem;padding:.55rem .7rem;border-radius:.8rem;background:var(--s2);margin-top:.5rem}
.lb.me{background:linear-gradient(120deg,rgba(240,185,76,.16),rgba(240,185,76,.05));border:1px solid var(--hair)}
.lb .rk{width:1.5rem;font-weight:800;color:var(--mut);text-align:center}.lb .nm{flex:1;font-weight:600}.lb .pt{font-weight:800;color:var(--gold)}

/* 7. shape */
.shape-grid{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;min-height:0}
.radbox{display:flex;flex-direction:column}
svg.rad{flex:1;width:100%;min-height:0;margin-top:.4rem}
svg.rad polygon.g{fill:none;stroke:rgba(255,255,255,.08);stroke-width:.4}
svg.rad polygon.v{fill:rgba(240,185,76,.25);stroke:var(--gold);stroke-width:.7;transform-origin:50px 50px;transform:scale(.05);opacity:0;transition:transform 1s var(--ez),opacity .4s}
svg.rad polygon.v.on{transform:scale(1);opacity:1}
svg.rad text{font-size:3.1px;fill:var(--mut);font-weight:800;letter-spacing:.06em;font-family:var(--font)}
.chart{display:flex;align-items:flex-end;gap:.6rem;height:7.5rem;margin-top:.6rem}
.chart .c{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:.3rem;height:100%}
.chart .b{width:100%;border-radius:.35rem .35rem .15rem .15rem;background:linear-gradient(180deg,var(--gold),var(--gold2));height:0;transition:height .9s var(--ez)}
.chart .b.g{background:linear-gradient(180deg,var(--green),#3E8A5C)}
.chart .l{font-size:.62rem;color:var(--mut);font-weight:800;text-transform:uppercase}
.started{border-color:rgba(176,140,232,.35)}

/* 8. fit */
.fit-grid{flex:1;display:grid;grid-template-columns:1.25fr 1fr;gap:1.2rem;min-height:0;align-items:start}
.ficon{width:2.6rem;height:2.6rem;border-radius:.8rem;background:var(--s2);display:grid;place-items:center;font-size:1.3rem;flex:none}
.score{font-size:2.2rem;font-weight:800;line-height:1}
.fitcard{padding:.85rem 1.1rem}

/* 9. syllabus */
.syl-grid{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;min-height:0;align-items:start}
.board{display:flex;align-items:center;gap:.9rem;padding:.8rem 1rem}
.board.act{border-color:rgba(240,185,76,.5);background:linear-gradient(120deg,rgba(240,185,76,.1),var(--s1))}
.bico{width:2.6rem;height:2.6rem;border-radius:.8rem;background:var(--s2);display:grid;place-items:center;font-size:1.3rem;flex:none}
.flagged{margin-top:.3rem;padding-left:.8rem;border-left:2px solid rgba(224,114,79,.4)}

/* 10. teacher */
.t-grid{flex:1;display:grid;grid-template-columns:1.15fr 1fr;gap:1rem;min-height:0;align-items:start}
.concept{margin-top:.6rem}.concept .t{font-weight:700}.concept .bar{margin-top:.3rem}
.tabs8{display:grid;grid-template-columns:repeat(4,1fr);gap:.4rem .9rem;margin-top:.4rem}
.tab8{display:flex;align-items:center;gap:.45rem;font-size:.82rem;min-width:0}
.tab8 .sm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.72rem}
.tab8.live b{color:var(--gold)}
.tab8 .btn{margin-left:auto}
.heat{display:flex;flex-direction:column;gap:.25rem;margin-top:.5rem}
.hrow{display:grid;grid-template-columns:8.5rem repeat(8,1fr);gap:.25rem;align-items:center}
.hn{font-size:.78rem;font-weight:700}
.hc{height:1.65rem;border-radius:.35rem;display:grid;place-items:center;font-size:.62rem;font-weight:800;color:var(--paper)}
.groups{display:grid;grid-template-columns:1fr 1fr;gap:.3rem .8rem;margin-top:.4rem}
.grp{display:flex;align-items:center;gap:.5rem;font-size:.8rem;font-weight:700}
.grp .t{flex:1}.grp .v{color:var(--mut)}
.avs{display:flex;align-items:center}
ol.steps{margin:.3rem 0 .4rem;padding-left:1.2rem;font-size:.86rem;display:flex;flex-direction:column;gap:.25rem}

/* office */
.o-grid{flex:1;display:grid;grid-template-columns:1.15fr 1fr;gap:1rem;min-height:0;align-items:start}
.synclog .lr{padding:.35rem 0}
.where{display:grid;grid-template-columns:repeat(5,1fr);gap:.8rem;margin-top:.5rem}
.where div{display:flex;flex-direction:column;gap:.15rem;font-size:.82rem}

/* 11. parent */
.p-grid{flex:1;display:grid;grid-template-columns:1fr 1.05fr;gap:1.2rem;min-height:0}
.p-grid .card{padding:.85rem 1rem}
input[type=range]{width:100%;accent-color:var(--gold);margin:.5rem 0 .2rem}
.msgcard{display:flex;flex-direction:column;min-height:0;align-self:stretch}
.msgcard .btn{white-space:nowrap;flex:none}
.chat{flex:1;margin-top:.7rem;border-radius:1rem;padding:.8rem;background:#0B1A16 radial-gradient(circle at 1px 1px,rgba(255,255,255,.04) 1px,transparent 1.5px) 0 0/1.2rem 1.2rem;display:flex;flex-direction:column;gap:.4rem;overflow:auto;min-height:0}
.chat .day{align-self:center;font-size:.66rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);background:var(--s2);padding:.2rem .6rem;border-radius:.5rem}
.chat .msg{align-self:flex-start;max-width:92%;background:#1F3A30;border:1px solid rgba(111,191,139,.2);border-radius:.2rem 1rem 1rem 1rem;padding:.5rem .75rem;font-size:.92rem;line-height:1.4;user-select:text}
.chat .msg.sig{font-weight:700;color:var(--green)}
.chat .tm{display:block;text-align:right;font-size:.62rem;color:var(--mut);font-weight:600}

/* 12. record */
.rec-grid{flex:1;display:grid;grid-template-columns:1.1fr 1fr;gap:1.2rem;min-height:0;align-items:start}
.integrity{border-color:rgba(111,191,139,.45);transition:border-color var(--t-base),background var(--t-base)}
.integrity.broken{border-color:rgba(224,114,79,.7);background:linear-gradient(120deg,rgba(224,114,79,.14),var(--s1))}
.hash{font-family:var(--mono);font-size:.74rem;color:var(--green);word-break:break-all;line-height:1.6;margin-top:.6rem;user-select:text}
.integrity.broken .hash{color:var(--clay)}

/* 13. close */
.screen.closing{background:var(--zaio-navy);padding:0;justify-content:center;align-items:center}
.closing .close-in{width:min(70rem,92vw);display:flex;flex-direction:column;gap:1.4rem}
.close-top{display:flex;align-items:center;gap:1.4rem}
.dxtr-word{font-size:5.6rem;font-weight:800;letter-spacing:-.04em;line-height:.9;color:var(--zaio-grey)}
.powered{display:flex;align-items:center;gap:.8rem;margin-top:.6rem;color:#AEB4C4;font-size:1rem;font-weight:600}
.powered img{height:2.6rem;width:auto}
.close-line{font-size:1.35rem;line-height:1.4;color:var(--zaio-grey);max-width:56rem;font-weight:500}
.close-row{display:grid;grid-template-columns:1.2fr 1fr;gap:1.2rem}
.closing .ran,.closing .cta{background:rgba(255,255,255,.04);border:1px solid rgba(230,230,229,.14);border-radius:var(--r-lg);padding:1.1rem 1.3rem}
.closing .eb{color:#8C94A8}
.ranbig{font-size:1.5rem;font-weight:800;color:var(--zaio-grey);margin-top:.3rem}
.closing .cta{display:flex;align-items:center;gap:1.2rem;border-color:rgba(185,5,232,.45)}
.ctah{font-size:1.25rem;font-weight:800;color:var(--zaio-grey);margin:.2rem 0}
.qr{width:7.5rem;height:7.5rem;background:#fff;border-radius:.6rem;padding:.3rem;flex:none}
.qr img{width:100%;height:100%;display:block}

/* the TV (16:9 and bigger): a touch more air */
@media (min-aspect-ratio:16/9){.screen{padding-left:3rem;padding-right:3rem}}

/* the board switch's matched chapters (31 Oct: real syllabi) */
#sw .pairs{margin-top:.5rem;max-height:13rem;overflow:auto;border-top:1px solid var(--hair2);padding-top:.4rem}
#sw .pairs .lr .v{max-width:55%;text-align:right;white-space:normal}