/* The Family AI Teacher — design system. Themes: light (default), dark, hc (high contrast). Text scale via --ts. */
:root,[data-theme=light]{--bg:#f6f5fb;--card:#ffffff;--card2:#efedf8;--line:#dcd8ec;--tx:#141a3a;--mu:#4e5573;--ac:#5b3df5;--on-ac:#ffffff;--ac2:#b4235a;--ok:#137a3a;--okb:#e7f6ec;--bad:#b91c1c;--badb:#fdecec;--warnb:#fff6de;--warnl:#e9b949;--focus:#5b3df5;--hdr:rgba(246,245,251,.9);--shadow:0 1px 2px rgba(20,26,58,.06),0 6px 20px rgba(20,26,58,.06);--grad:linear-gradient(135deg,#4f46e5,#8b5cf6 55%,#ff7a59);--r:18px;color-scheme:light}
[data-theme=dark]{--bg:#0b1020;--card:#151b2e;--card2:#1f2741;--line:#2e3858;--tx:#eef1fa;--mu:#aeb8d4;--ac:#6a4cf6;--on-ac:#ffffff;--ac2:#ff9b80;--ok:#4ade80;--okb:rgba(34,197,94,.14);--bad:#fca5a5;--badb:rgba(239,68,68,.15);--warnb:rgba(250,204,21,.1);--warnl:rgba(250,204,21,.45);--focus:#c4b5fd;--hdr:rgba(11,16,32,.88);--shadow:0 1px 2px rgba(0,0,0,.3);color-scheme:dark}
[data-theme=hc]{--bg:#000;--card:#000;--card2:#111;--line:#fff;--tx:#fff;--mu:#f0f0f0;--ac:#ffe500;--on-ac:#000;--ac2:#7df9ff;--ok:#5dff8a;--okb:#002a10;--bad:#ff8a8a;--badb:#2a0000;--warnb:#000;--warnl:#ffe500;--focus:#7df9ff;--hdr:#000;--shadow:none;--grad:#ffe500;color-scheme:dark}
html{font-size:calc(100% * var(--ts,1))}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{margin:0;background:var(--bg);color:var(--tx);font:1rem/1.55 "Inter","SF Pro Text",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);-webkit-text-size-adjust:100%}
body.hasTabs{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
a{color:var(--ac)}[data-theme=dark] a{color:#c4b5fd}[data-theme=hc] a{color:var(--ac2)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:8px}
[data-theme=hc] *{border-color:#fff}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--ac);color:var(--on-ac);padding:8px 12px;border-radius:10px;z-index:99}.skip:focus{left:8px}
header{position:sticky;top:0;z-index:20;background:var(--hdr);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:8px 14px;display:flex;align-items:center;gap:8px;min-height:56px}
header .t{font-weight:700;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:1.0625rem}
.hlogo{width:34px;height:34px;flex:none}
.icon{min-width:40px;padding:6px 10px!important;justify-content:center}
.streakC,.xpC{display:inline-flex;align-items:center;gap:3px;font-weight:700;font-size:.9rem;padding:5px 10px;border-radius:99px;background:var(--card2);color:var(--tx);text-decoration:none}
.streakC.on{background:linear-gradient(135deg,#ff9a3c,#ff5f6d);color:#fff}[data-theme=hc] .streakC.on{background:var(--ac);color:#000}
.xpC{display:none}@media(min-width:520px){.xpC{display:inline-flex}}
main{max-width:920px;margin:0 auto;padding:16px 16px 64px}main:focus{outline:none}
h1{font-size:1.6rem;margin:8px 0 4px;letter-spacing:-.02em;line-height:1.2}h1:focus{outline:none}h2{font-size:1.2rem;margin:18px 0 8px;letter-spacing:-.01em}h3{margin:12px 0 6px;font-size:1.05rem}
h2.h{margin:0 0 10px;font-size:1.05rem}
p{margin:8px 0}.mu{color:var(--mu)}.small{font-size:.85rem}.sub{margin-top:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:12px 0;box-shadow:var(--shadow)}
a.card{display:block;color:inherit;text-decoration:none}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.grid2{display:grid;gap:0 12px;grid-template-columns:1fr}@media(min-width:720px){.grid2{grid-template-columns:1fr 1fr}}
.prof{display:flex;align-items:center;gap:12px;cursor:pointer;min-height:76px;transition:transform .15s,border-color .15s}.prof:hover{border-color:var(--ac);transform:translateY(-1px)}
.av{font-size:2rem;width:56px;height:56px;border-radius:16px;display:grid;place-items:center;background:var(--card2);flex:none}.av.sm{width:42px;height:42px;font-size:1.5rem;border-radius:12px}
button,.btn{font:inherit;border:2px solid transparent;border-radius:14px;padding:11px 16px;min-height:44px;background:var(--ac);color:var(--on-ac);font-weight:650;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none;transition:transform .12s,filter .12s}
a.btn{color:var(--on-ac)}button:hover:not(:disabled),.btn:hover{filter:brightness(1.06)}button:active:not(:disabled){transform:scale(.97)}
button.sec,.btn.sec{background:var(--card2);color:var(--tx);border-color:var(--line)}a.btn.sec{color:var(--tx)}
button.sm,.btn.sm{padding:7px 12px;min-height:38px;font-size:.875rem;border-radius:12px}
button:disabled{opacity:.6;cursor:default}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.bar{height:10px;background:var(--card2);border-radius:9px;overflow:hidden;margin:6px 0}[data-theme=hc] .bar{border:1px solid #fff}
.bar>i{display:block;height:100%;width:0;background:var(--grad);border-radius:9px;transition:width .9s cubic-bezier(.2,.8,.2,1)}
.bar:not(.anim)>i[style*="width"]{transition:width .6s}
.pill{display:inline-block;font-size:.75rem;padding:3px 10px;border-radius:99px;background:var(--card2);color:var(--mu);font-weight:650;margin:2px 0}
.okP{background:var(--okb);color:var(--ok)}.noP{background:var(--badb);color:var(--bad)}
.weak,.good{border-radius:14px;padding:12px;margin:8px 0;font-size:.95rem;white-space:pre-wrap}
.weak{background:var(--badb);border:1px solid var(--bad)}.good{background:var(--okb);border:1px solid var(--ok)}.weak .lbl{color:var(--bad)}.good .lbl{color:var(--ok)}
.lbl{font-size:.72rem;font-weight:750;text-transform:uppercase;letter-spacing:.07em;color:var(--mu)}
.opt{display:flex;width:100%;text-align:left;justify-content:flex-start;background:var(--card);color:var(--tx);margin:8px 0;font-weight:550;border:2px solid var(--line);border-radius:14px;padding:12px 14px}
.opt:hover:not(:disabled){border-color:var(--ac)}
.opt.ok{background:var(--okb);border-color:var(--ok);color:var(--tx);opacity:1}.opt.ok::before{content:"✓ ";color:var(--ok);font-weight:800}
.opt.no{background:var(--badb);border-color:var(--bad);color:var(--tx);opacity:1}.opt.no::before{content:"✗ ";color:var(--bad);font-weight:800}
.opt.elim{text-decoration:line-through;opacity:.55}
.qcard.right{animation:pop .35s}.qcard.wrong{animation:shake .35s}
@keyframes pop{50%{transform:scale(1.02)}}@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.fb{font-size:.95rem;margin-top:8px}
.tbar{height:6px;background:var(--card2);border-radius:6px;overflow:hidden;margin:6px 0}.tbar>i{display:block;height:100%;background:linear-gradient(90deg,#ff5f6d,#ffc371);transition:width 1s linear}
pre.try{background:var(--card2);border:1px dashed var(--line);border-radius:12px;padding:12px;white-space:pre-wrap;font:.875rem/1.5 ui-monospace,Menlo,monospace;color:var(--tx)}
textarea,input,select{font:inherit;font-size:1rem;width:100%;background:var(--card);color:var(--tx);border:1.5px solid var(--line);border-radius:12px;padding:10px 12px;min-height:44px}
textarea{min-height:110px}input::placeholder,textarea::placeholder{color:var(--mu);opacity:1}
input:focus,textarea:focus,select:focus{outline:3px solid var(--focus);outline-offset:1px;border-color:var(--ac)}
input[type=checkbox],input[type=radio]{width:auto;min-height:0;accent-color:var(--ac)}
.wk{cursor:pointer;transition:border-color .15s}.wk:hover{border-color:var(--ac)}.done{color:var(--ok);font-weight:650}
.badges{display:flex;flex-wrap:wrap;gap:6px}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--card2);border:1px solid var(--line);border-radius:99px;padding:6px 12px;font-size:.875rem;font-weight:600}
.badge.off{color:var(--mu);border-style:dashed;background:transparent}
table{width:100%;border-collapse:collapse;font-size:.875rem}td,th{padding:8px 6px;border-bottom:1px solid var(--line);text-align:left}
#toast{position:fixed;left:50%;bottom:calc(90px + env(safe-area-inset-bottom));transform:translateX(-50%) translateY(10px);background:var(--tx);color:var(--bg);padding:10px 16px;border-radius:12px;opacity:0;transition:.25s;pointer-events:none;z-index:80;font-weight:600;max-width:90vw}
#toast.on{opacity:1;transform:translateX(-50%)}
svg text{fill:var(--mu);font-size:11px}
.banner{background:var(--warnb);border:1px solid var(--warnl);border-radius:12px;padding:10px 12px;font-size:.875rem;margin:8px 0}
.banner.ok{background:var(--card2);border-color:var(--line)}
label{display:block;font-size:.85rem;color:var(--mu)}label input{margin-top:4px;color:var(--tx)}
input.pin{-webkit-text-security:disc;letter-spacing:.2em}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.chip{background:var(--card2);color:var(--tx);border:2px solid var(--line);border-radius:99px;padding:8px 12px;font-size:.875rem;font-weight:600;width:auto;margin:0;min-height:40px}.chip.on{border-color:var(--ac);background:var(--ac);color:var(--on-ac)}
/* bottom tabs */
#tabs{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:space-around;background:var(--hdr);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
#tabs[hidden]{display:none}
#tabs a{flex:1;max-width:120px;display:flex;flex-direction:column;align-items:center;gap:1px;font-size:.72rem;font-weight:650;color:var(--mu);text-decoration:none;padding:6px 2px;border-radius:12px}
#tabs a span{font-size:1.35rem;line-height:1.1}
#tabs a[aria-current=page]{color:var(--ac);background:var(--card2)}[data-theme=dark] #tabs a[aria-current=page]{color:#c4b5fd}[data-theme=hc] #tabs a[aria-current=page]{color:#000;background:var(--ac)}
@media(min-width:900px){#tabs{left:50%;transform:translateX(-50%);bottom:12px;max-width:560px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}}
/* dashboard */
.hero{display:flex;gap:16px;align-items:center;flex-wrap:wrap;background:var(--card)}
.heroRing{flex:none}.heroTx{flex:1;min-width:200px}
.ring .rbg{fill:none;stroke:var(--card2);stroke-width:10}.ring .rfg{fill:none;stroke:url(#rg);stroke-width:10;stroke-linecap:round;transition:stroke-dashoffset 1.1s cubic-bezier(.2,.8,.2,1)}[data-theme=hc] .ring .rfg{stroke:var(--ac)}
.ring .rtx{fill:var(--tx);font-size:20px;font-weight:800}
.lvl{display:flex;gap:10px;align-items:center}.lvB{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:1.5rem;background:var(--grad)}
.streakRow{display:flex;align-items:center;gap:4px;flex-wrap:wrap;margin-top:8px}.flame{font-size:1.4rem;filter:grayscale(1);opacity:.5}.flame.on{filter:none;opacity:1;animation:flick 1.6s infinite}
@keyframes flick{50%{transform:scale(1.12) rotate(-4deg)}}
.days{display:flex;gap:4px;margin-left:auto}.dd{display:flex;flex-direction:column;align-items:center;font-size:.68rem;color:var(--mu);gap:2px}.dd i{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--card2);font-style:normal;font-size:.75rem;color:#fff;border:1px solid var(--line)}.dd.on i{background:linear-gradient(135deg,#ff9a3c,#ff5f6d);border-color:transparent}[data-theme=hc] .dd.on i{background:var(--ac);color:#000}
.resume{display:flex!important;gap:14px;align-items:center;border:2px solid var(--ac);background:linear-gradient(135deg,color-mix(in srgb,var(--ac) 9%,var(--card)),var(--card))}
.rIc{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-size:1.6rem;background:var(--grad);flex:none}
.goal{display:flex;gap:10px;align-items:center;margin:8px 0}.goal.met .bar>i{background:var(--ok)}
.recI{display:flex;gap:10px;align-items:flex-start;padding:10px;border-radius:12px;text-decoration:none;color:var(--tx);border:1px solid var(--line);margin:6px 0}.recI:hover{border-color:var(--ac)}.recI>span{font-size:1.4rem}
.sw{margin-top:10px}
.chart{margin:0}.cbar{fill:color-mix(in srgb,var(--ac) 45%,var(--card2))}.cbar.today{fill:var(--ac)}.cval{font-size:10px;font-weight:700}.clbl{font-size:10px}
.tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:12px 0}@media(min-width:640px){.tiles{grid-template-columns:repeat(4,1fr)}}
.tile{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;display:flex;flex-direction:column;box-shadow:var(--shadow)}.tile b{font-size:1.35rem}.tile span:last-child{color:var(--mu);font-size:.8rem}
.accR{margin:10px 0}.accR>span:first-child{display:block;font-weight:600;font-size:.9rem}
/* learn path */
.unit{margin:18px 0 8px}.unitB{display:flex;gap:12px;align-items:center;color:#fff;text-decoration:none;padding:14px 16px;border-radius:20px;background:var(--grad);box-shadow:var(--shadow)}
.unitB h2{margin:2px 0 6px;color:#fff}.unitB .lbl{color:rgba(255,255,255,.92)}.unitB>div{flex:1}.unitB .bar{background:rgba(255,255,255,.3)}.unitB .bar>i{background:#fff}.uN{font-weight:800;font-size:1.1rem}
.u1 .unitB{background:linear-gradient(135deg,#6d28d9,#c026d3)}.u2 .unitB{background:linear-gradient(135deg,#1d4ed8,#7c3aed)}.u3 .unitB{background:linear-gradient(135deg,#be185d,#ea580c)}.u4 .unitB{background:linear-gradient(135deg,#4338ca,#db2777)}
[data-theme=hc] .unitB{background:#000!important;border:2px solid #fff}
.path{list-style:none;padding:10px 0;margin:0;display:flex;flex-direction:column;align-items:center;gap:14px}
.path li{display:flex;align-items:center;gap:12px;transform:translateX(var(--o));width:min(100%,300px)}
.node{width:62px;height:62px;border-radius:50%;flex:none;display:grid;place-items:center;font-size:1.5rem;text-decoration:none;background:var(--card2);border:3px solid var(--line);box-shadow:0 5px 0 var(--line);color:var(--tx);transition:transform .12s}
.node:hover{transform:translateY(-2px)}.node.done{background:var(--ok);border-color:var(--ok);color:#fff;box-shadow:0 5px 0 color-mix(in srgb,var(--ok) 70%,#000)}[data-theme=light] .node.done{background:#16a34a}
.node.cur{background:var(--ac);border-color:var(--ac);color:var(--on-ac);box-shadow:0 5px 0 color-mix(in srgb,var(--ac) 65%,#000),0 0 0 6px color-mix(in srgb,var(--ac) 25%,transparent);animation:pulse 2s infinite}
.node.proj{border-radius:20px}
@keyframes pulse{50%{box-shadow:0 5px 0 color-mix(in srgb,var(--ac) 65%,#000),0 0 0 12px color-mix(in srgb,var(--ac) 10%,transparent)}}
.nodeL{font-size:.9rem;font-weight:600;line-height:1.3}.nextTag{display:block;font-size:.7rem;letter-spacing:.08em;color:var(--ac)}[data-theme=dark] .nextTag{color:#c4b5fd}
/* lesson deck */
.dhead h1{font-size:1.4rem}
.lcard{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:0 16px 18px;margin:12px 0;box-shadow:var(--shadow);overflow:hidden}
.lcard.enter{animation:slideIn .28s ease-out}@keyframes slideIn{from{opacity:0;transform:translateX(24px)}}
.lart{margin:0 -16px 12px;height:86px;display:flex;align-items:center;justify-content:center;gap:10px;background:var(--grad);font-size:2.6rem;position:relative}
.lart2{font-size:1.6rem;opacity:.9}.k-quiz .lart{background:linear-gradient(135deg,#0ea5e9,#6366f1)}.k-dnd .lart{background:linear-gradient(135deg,#f59e0b,#ef4444)}.k-lab .lart{background:linear-gradient(135deg,#10b981,#3b82f6)}.k-done .lart{background:linear-gradient(135deg,#22c55e,#a855f7)}.k-family .lart,.k-reflect .lart{background:linear-gradient(135deg,#ec4899,#8b5cf6)}
[data-theme=hc] .lart{background:#111!important;border-bottom:2px solid #fff}
.lch{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.lch .speak{margin-left:auto}
.lcard h2{margin:10px 0 6px}
.dnav{position:sticky;bottom:calc(78px + env(safe-area-inset-bottom));display:flex;gap:8px;align-items:center;background:var(--hdr);backdrop-filter:blur(10px);padding:8px;border-radius:18px;border:1px solid var(--line);z-index:5}
.dnav #dnext{flex:none;min-width:110px}.dots{flex:1;display:flex;gap:4px;justify-content:center;flex-wrap:wrap}
.dot{width:12px;height:12px;min-height:12px;padding:0;border-radius:50%;background:var(--card2);border:1.5px solid var(--mu)}.dot.seen{background:color-mix(in srgb,var(--ac) 50%,var(--card2))}.dot.on{background:var(--ac);border-color:var(--ac);width:26px;border-radius:8px}
/* drag & drop */
.dz{border:2px dashed var(--line);border-radius:16px;padding:8px;margin:8px 0;min-height:70px;transition:border-color .15s,background .15s}.dz.over{border-color:var(--ac);background:color-mix(in srgb,var(--ac) 10%,transparent)}.dz.target .dzh{outline:2px solid var(--ac)}
.dzs{display:grid;gap:8px}@media(min-width:600px){.dzs{grid-template-columns:1fr 1fr}}
.dzh{width:100%;justify-content:flex-start;background:transparent;color:var(--tx);border:0;padding:6px;min-height:36px;font-weight:750}
.dndI{display:block;width:100%;text-align:left;margin:6px 0;background:var(--card);color:var(--tx);border:2px solid var(--line);border-radius:12px;padding:10px 12px;font-weight:500;font-size:.9rem;touch-action:none;cursor:grab;box-shadow:var(--shadow)}
.dndI.sel{border-color:var(--ac);box-shadow:0 0 0 3px color-mix(in srgb,var(--ac) 30%,transparent)}.dndI.dragging{opacity:.35}.dndI.ok{border-color:var(--ok);background:var(--okb)}.dndI.no{border-color:var(--bad);background:var(--badb)}
.dndI.ghost{position:fixed;left:0;top:0;z-index:90;pointer-events:none;opacity:.95;transform-origin:center;box-shadow:0 12px 30px rgba(0,0,0,.3)}
.dzE{display:block;padding:8px}
/* overlays */
.npsO,.dlgO{position:fixed;inset:0;background:rgba(5,8,20,.6);z-index:50;display:flex;align-items:flex-start;justify-content:center;overflow:auto;padding:24px 12px}
.npsC,.dlg{max-width:460px;width:100%;position:relative;margin:auto 0}.npsX{position:absolute;top:10px;right:10px;width:auto}
.npsG{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.npsB{width:100%;padding:10px 0;margin:0;font-weight:800;font-size:1.05rem}.npsB.on{background:var(--ac);color:var(--on-ac);border-color:var(--ac)}
.refB{border-color:var(--ok);margin:12px 0 0}.refA{text-decoration:none}
#cel{position:fixed;inset:0;z-index:70;display:flex;align-items:center;justify-content:center;pointer-events:none}
.celC{pointer-events:auto;position:relative;background:var(--card);color:var(--tx);border:2px solid var(--ac);border-radius:24px;padding:22px 26px 18px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.25);animation:celIn .4s cubic-bezier(.2,1.4,.4,1);max-width:86vw}
.celC b{display:block;font-size:1.25rem}.celS{color:var(--mu);font-size:.9rem;margin-top:4px}.celE{font-size:3.2rem;line-height:1.1;animation:bounce 1s infinite}.celC button{position:absolute;top:6px;right:6px;min-height:30px;padding:2px 8px}
@keyframes celIn{from{transform:scale(.6);opacity:0}}@keyframes bounce{50%{transform:translateY(-6px)}}
.confetti{position:fixed;inset:0;z-index:69;pointer-events:none}
/* family */
.lb.me{border-color:var(--ac)}.rank{width:28px;font-size:1.2rem}.post .ptx{white-space:pre-wrap;background:var(--card2);border-radius:12px;padding:10px;margin:8px 0}
.cheers{margin-top:8px}.cheer{min-width:48px}.cheer.on{background:var(--ac);color:var(--on-ac);border-color:var(--ac)}
.chal{background:linear-gradient(135deg,color-mix(in srgb,#ff7a59 12%,var(--card)),var(--card))}
/* settings */
fieldset{border:0;padding:0;margin:14px 0}legend{font-weight:700;margin-bottom:6px}
.segs{display:flex;flex-wrap:wrap;gap:6px}.seg{position:relative;color:var(--tx);font-size:.95rem}.seg input{position:absolute;opacity:0;width:1px;height:1px}.seg>span{display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;border-radius:12px;border:2px solid var(--line);background:var(--card2);cursor:pointer;font-weight:600}
.seg>input:checked+span{background:var(--ac);color:var(--on-ac);border-color:var(--ac)}.seg>input:focus-visible+span{outline:3px solid var(--focus);outline-offset:2px}
.sw1{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--line);color:var(--tx);font-size:1rem}.sw1>span{display:flex;flex-direction:column}
.sw1 input{appearance:none;-webkit-appearance:none;width:52px;height:30px;border-radius:99px;background:var(--card2);border:2px solid var(--mu);position:relative;cursor:pointer;flex:none;transition:.2s}
.sw1 input::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--mu);transition:.2s}
.sw1 input:checked{background:var(--ac);border-color:var(--ac)}.sw1 input:checked::after{left:25px;background:var(--on-ac)}
.prof1{display:flex;gap:12px;align-items:center}
.links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.links a{display:flex;align-items:center;gap:8px;padding:12px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:var(--tx);text-decoration:none;font-weight:600;min-height:48px}.links a:hover{border-color:var(--ac)}
.tip p{margin-top:0}
/* Kids (junior) track: playful */
body.junior{--r:24px;font-family:"Nunito","Chalkboard SE","Comic Sans MS",ui-rounded,system-ui,sans-serif}
[data-theme=light] body.junior{--bg:#fff7ee;--ac:#c2410c;--focus:#c2410c;--card2:#ffeedd;--line:#f5d3b3;--grad:linear-gradient(135deg,#f97316,#ec4899 55%,#8b5cf6)}
[data-theme=dark] body.junior{--bg:#1a1036;--card:#26184d;--card2:#33215f;--line:#4a3487;--ac:#c2410c;--grad:linear-gradient(135deg,#f97316,#ec4899 55%,#8b5cf6)}
body.junior .card,body.junior .lcard{border-width:2px}body.junior button,body.junior .btn{border-radius:18px}
body.junior h1::after{content:" 🚀"}body.junior .node{width:70px;height:70px;font-size:1.8rem}body.junior .opt{font-size:1.05rem}
@media(min-width:700px){h1{font-size:2rem}main{padding:24px}}
/* reduced motion */
[data-motion=reduce] *,[data-motion=reduce] *::before,[data-motion=reduce] *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}
.wlogo{display:block;margin:0 auto;max-width:70%;height:auto}[data-theme=dark] .wlogo,[data-theme=hc] .wlogo{content:url(icons/logo-full-dark.png)}

.doneO{z-index:65}.doneC{text-align:center}.doneE{font-size:3rem;line-height:1.1}.doneC h2{margin:6px 0 4px;font-size:1.4rem}.xpGain{color:var(--ok)}
.doneMsgs{list-style:none;padding:0;margin:6px 0;display:flex;flex-direction:column;gap:4px}.doneMsgs li{background:var(--card2);border-radius:10px;padding:6px 10px;font-weight:600;font-size:.9rem}
.doneNext{background:var(--card2);border:1px solid var(--line);border-radius:14px;padding:10px 12px;margin:10px 0;text-align:left}
.doneBtns{display:flex;flex-direction:column;gap:8px;margin-top:12px}.doneBtns button{width:100%}
.dayT{grid-template-columns:repeat(3,1fr)!important;text-align:center}.dayT .tile{align-items:center}

.tryB{margin-top:14px;border-top:1px dashed var(--line);padding-top:12px}.tryL{color:var(--tx);font-weight:700;font-size:.95rem;margin-bottom:6px}
.tryR{border-radius:14px;padding:12px;margin-top:10px;border:2px solid}.tryR.good{background:var(--okb);border-color:var(--ok)}.tryR.imp{background:var(--warnb);border-color:var(--warnl)}
.tryT{font-size:1.05rem}.tips{margin:6px 0;padding-left:20px}.tips li{margin:4px 0}
.err{color:var(--bad);font-size:.85rem;font-weight:600;margin:4px 0 0;min-height:0}.err:empty{display:none}input[aria-invalid=true]{border-color:var(--bad)}