@scope (.learn-ui){@font-face{font-family:Schibsted;src:url(/learner/assets/schibsted.woff2) format("woff2");font-weight:100 900;font-display:swap}:scope{--paper:#fafaf7;--surface:#fff;--soft:#f0efe9;--ink:#17160f;--muted:#6c6b61;--line:#e3e1d8;--accent:#0e9e78;--accentText:#08775a;--tint:#e6f3ec;--button:#17160f;--on:#fff;--orange:#e2a445;--blue:#609dbd;--shadow:0 12px 32px -22px #28261d55;color-scheme:light}[data-theme=dark]{--paper:#111411;--surface:#1b211c;--soft:#252c26;--ink:#f1f1e9;--muted:#b5b9ad;--line:#354137;--accent:#66cfa8;--accentText:#9adfc1;--tint:#213b31;--button:#e4efdf;--on:#18201a;--shadow:none;color-scheme:dark}[data-theme=school]{--accent:#3864ba;--accentText:#315aa2;--tint:#e8eef9;--button:#223e71;--on:#fff}*{box-sizing:border-box}:scope{margin:0;background:var(--paper);color:var(--ink);font:16px/1.45 Schibsted,system-ui,sans-serif}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:disabled{opacity:.45;cursor:default}button{color:inherit}button svg{width:20px;height:20px}.hero-art,button{touch-action:manipulation}[hidden]{display:none!important}.app{min-height:100dvh;display:grid}.header{border-bottom:1px solid var(--line);display:flex;gap:44px;padding:0 clamp(20px,5vw,80px)}.brand,.header{align-items:center}.brand{display:inline-flex;gap:12px;font-size:26px;font-weight:800;letter-spacing:-1.3px;border:0;background:none;padding:0;min-height:44px}.mark{width:29px;height:30px;position:relative;display:block}.mark i{position:absolute;background:var(--ink);width:11px;height:11px;border-radius:3px;left:0;bottom:0}.mark i:nth-child(2){bottom:14px}.mark i:nth-child(3){left:14px}.mark i:nth-child(4){left:17px;bottom:18px;background:var(--accent)}.nav-item{align-self:stretch;border-bottom:2px solid var(--ink);font-size:14px;font-weight:600}.header-actions,.nav-item{display:flex;align-items:center}.header-actions{margin-left:auto;gap:12px}.icon-button{background:var(--soft);border:0;border-radius:9px;min-width:44px;min-height:44px;display:grid;place-items:center}.theme-label{font-size:13px;font-weight:600;display:flex;gap:8px;align-items:center;padding:0 13px}.primary{border:0;background:var(--button);color:var(--on);padding:14px 22px;border-radius:9px;min-height:48px;justify-content:center;gap:20px}.plain,.primary{font-weight:600;display:inline-flex;align-items:center}.plain{border:0;background:transparent;min-height:44px;padding:8px 0;gap:10px}.secondary{background:var(--surface);border:1px solid var(--line);border-radius:9px;min-height:44px;padding:10px 18px;font-weight:600}.eyebrow{font:11px/1.4 ui-monospace,monospace;letter-spacing:1.3px;text-transform:uppercase;color:var(--muted)}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:7px}.home{width:min(1120px,calc(100% - 64px));margin:0 auto;align-self:start;padding:24px 0;display:grid;gap:25px}.page-heading{display:flex;justify-content:space-between;align-items:center}.page-heading h1{font-size:clamp(30px,4vw,46px);line-height:1.1;letter-spacing:-1.6px;margin:0;font-weight:800}.page-heading span{font-size:13px;color:var(--muted)}.feature{display:grid;grid-template-columns:1.03fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden;min-height:310px}.feature-copy{padding:32px 36px;display:flex;align-items:flex-start;flex-direction:column;justify-content:center}.feature h2{font-size:clamp(30px,4.5vw,52px);font-weight:800;line-height:1.03;letter-spacing:-1.8px;margin:16px 0}.feature p{font-size:15px;line-height:1.55;color:var(--muted);margin:0 0 24px;max-width:290px}.hero-art{background:var(--tint);position:relative;display:grid;place-items:center;min-height:290px;isolation:isolate}.hero-art:before{content:"";position:absolute;inset:0;background-image:radial-gradient(var(--accent) .7px,transparent .7px);background-size:20px 20px;opacity:.17;z-index:-1}.art-fractions{display:flex;gap:24px;align-items:center;transform:rotate(-8deg)}.disc{width:150px;aspect-ratio:1;border-radius:50%;background:conic-gradient(from -90deg,var(--accent) 0 50%,var(--surface) 50%);box-shadow:0 12px 24px -12px #12342840;position:relative}.disc:after{content:"";position:absolute;top:0;bottom:0;width:3px;background:var(--tint);left:50%;transform:translateX(-50%)}.disc.quarters{width:150px;background:conic-gradient(from -90deg,var(--orange) 0 25%,var(--surface) 25% 50%,var(--orange) 50% 75%,var(--surface) 75%)}.disc.quarters:before{content:"";position:absolute;left:0;right:0;height:3px;background:var(--tint);top:50%}.equals{font-size:40px}.art-note,.equals{color:var(--accentText)}.art-note{position:absolute;bottom:22px;font-size:12px}.collection-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.collection-head h2{font-size:16px;font-weight:600;margin:0}.collection-head span{font-size:12px;color:var(--muted)}.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tile{text-align:left;border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:18px;display:flex;gap:16px;align-items:center;min-height:102px;transition:transform .15s,border-color .15s}.tile:hover{transform:translateY(-2px);border-color:var(--accent)}.tile strong{display:block;font-weight:650;font-size:16px}.tile small{display:block;font-size:12px;color:var(--muted);margin-top:4px}.tile .chevron{margin-left:auto;color:var(--muted)}.mini-art{width:58px;height:58px;flex:none;border-radius:8px;background:var(--soft);display:grid;place-items:center}.mini-art svg{width:40px;height:40px}.mini-art.word{font-size:24px;letter-spacing:-2px}.mini-art.fraction,.mini-art.word{color:var(--accentText);background:var(--tint)}.mini-art.fraction{font-size:29px}.prototype-note{font:10px ui-monospace,monospace;color:var(--muted);text-align:center;align-self:center;letter-spacing:.6px}.player{width:min(1120px,calc(100% - 64px));margin:0 auto;align-self:start;padding:18px 0;display:grid;grid-template-rows:auto 1fr auto;gap:18px;min-height:min(600px,calc(100dvh - 130px))}.player-top{display:flex;justify-content:space-between;align-items:center;gap:20px}.player-top .lesson-name{font-size:13px;color:var(--muted)}.exercise{display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:70px;padding:20px 0 35px}.prompt h1{font-size:clamp(32px,4vw,48px);line-height:1.08;letter-spacing:-1.7px;margin:20px 0;font-weight:800}.prompt p{color:var(--muted);max-width:300px;font-size:15px}.play-area{border-radius:16px;background:var(--surface);border:1px solid var(--line);padding:34px;min-height:280px;display:flex;flex-direction:column;justify-content:center}.bar-title{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:10px}.target-bar{height:60px;background:var(--soft);border-radius:8px;overflow:hidden;margin-bottom:30px}.target-bar i{display:block;width:50%;height:100%;background:var(--accent)}.parts{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.piece{height:66px;border:1px solid var(--line);background:var(--soft);border-radius:7px;font-weight:600;font-size:22px;transition:background .15s}.piece[aria-pressed=true]{background:var(--orange);color:#382710;border:2px solid #826024}.player-bottom{border-top:1px solid var(--line);padding-top:20px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.feedback{margin:0;color:var(--muted);font-size:14px;max-width:600px;min-height:40px}.feedback,.player-actions{display:flex;align-items:center}.player-actions{gap:24px}.feedback.correct{color:var(--accentText);font-weight:600}.code{font:16px/1.8 ui-monospace,monospace;padding:16px;border-radius:8px;background:var(--soft);margin:0}.code input{width:64px;border:1px solid var(--muted);border-radius:4px;background:var(--surface);color:var(--ink);font:inherit;padding:0 5px}.drawing{height:135px;display:grid;place-items:center;margin-top:12px}.drawing svg{height:125px;width:150px}.word-answer{min-height:65px;border-bottom:1px solid var(--line);align-items:center;margin-bottom:20px}.word-answer,.word-pool{display:flex;gap:8px;flex-wrap:wrap}.word-token{padding:10px 15px;min-height:46px;background:var(--soft);border:1px solid var(--line);border-radius:8px}.word-answer .word-token{background:var(--tint);color:var(--accentText)}dialog{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:16px;padding:24px;width:min(360px,calc(100% - 32px));box-shadow:0 24px 80px #0003}dialog::backdrop{background:#10181155;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}dialog h2{margin:0;font-size:24px;letter-spacing:-.7px}.theme-options{display:grid;gap:10px}.theme-option{display:flex;align-items:center;gap:12px;border:1px solid var(--line);background:var(--surface);padding:12px;border-radius:10px;min-height:54px}.theme-option[aria-pressed=true]{border:2px solid var(--accent);padding:11px}.swatch{width:28px;height:28px;border-radius:50%;border:1px solid #8886}.theme-option .check{margin-left:auto;visibility:hidden}.theme-option[aria-pressed=true] .check{visibility:visible}@media(prefers-reduced-motion:reduce){*{transition:none!important}}@media(max-width:760px){.app{grid-template-rows:62px 1fr 22px}.header{padding:0 20px;gap:22px}.brand{font-size:23px}.nav-item{font-size:12px}.theme-label span{display:none}.theme-label{padding:0;width:44px}.home,.player{width:calc(100% - 40px)}.home{gap:20px;padding:20px 0}.page-heading h1{font-size:32px}.page-heading span{display:none}.feature{grid-template-columns:1fr;min-height:0;position:relative}.feature-copy{padding:23px;z-index:1;min-height:212px}.feature h2{font-size:35px;max-width:245px;margin:12px 0}.feature p{display:none}.feature .primary{padding:12px 18px;font-size:14px}.hero-art{min-height:155px;grid-row:1}.art-fractions{gap:17px}.disc,.disc.quarters{width:95px}.equals{font-size:30px}.art-note{display:none}.tiles{gap:8px;grid-template-columns:1fr}.tile{min-height:64px;padding:10px 14px;border-radius:10px;gap:13px}.mini-art{height:40px;width:40px}.mini-art svg{width:28px;height:28px}.mini-art.word{font-size:20px}.mini-art.fraction{font-size:24px}.tile strong{font-size:14px}.tile small{display:none}.collection-head{margin-bottom:10px}.collection-head h2{font-size:14px}.player{padding:10px 0;min-height:0}.player,.player-top{gap:12px}.player-top .lesson-name{font-size:12px}.exercise{grid-template-columns:1fr;gap:18px;padding:0}.prompt h1{font-size:31px;margin:10px 0;letter-spacing:-1px}.prompt p{margin:0;font-size:14px;max-width:100%}.prompt .eyebrow{font-size:10px}.play-area{min-height:220px;padding:22px}.target-bar{height:45px;margin-bottom:20px}.piece{height:54px}.player-bottom{grid-template-columns:1fr;gap:12px;padding-top:14px}.feedback{font-size:13px;min-height:38px}.player-actions{justify-content:space-between}.player-actions .primary{min-width:132px}.drawing,.drawing svg{height:90px}}@media(max-height:820px) and (max-width:760px){.home{gap:14px;padding:12px 0}.page-heading h1{font-size:28px}.hero-art{min-height:112px}.disc,.disc.quarters{width:76px}.feature-copy{padding:18px;min-height:174px}.feature h2{font-size:30px;margin:8px 0}.feature p{display:none}.feature .eyebrow{font-size:10px}.feature .primary{margin-top:12px}.tile{min-height:54px;padding:7px 12px}.mini-art{width:32px;height:32px}.collection-head span{display:none}.prompt h1{font-size:28px;margin:8px 0}.play-area{min-height:190px;padding:18px}.player{gap:8px}.exercise{gap:12px}.target-bar{height:36px;margin-bottom:14px}.piece{height:46px}.player-bottom{padding-top:10px}.word-answer{min-height:48px;margin-bottom:10px}}@media(max-height:600px) and (max-width:760px){.header{padding:0 16px}.app{grid-template-rows:54px 1fr 18px}.home,.player{width:calc(100% - 32px)}.home{gap:8px;padding:6px 0}.hero-art{min-height:70px}.disc,.disc.quarters{width:60px}.feature-copy{min-height:151px;padding:15px}.feature h2{font-size:27px}.feature .primary{min-height:44px;padding:10px 16px;margin-top:8px}.tile{min-height:48px}.collection-head{margin-bottom:6px}.tiles{gap:6px}.player-top{font-size:13px}.prompt h1{font-size:24px}.prompt p{font-size:13px}.play-area{min-height:160px;padding:14px}.player-bottom{gap:6px}.feedback{min-height:38px}.player-actions .primary{min-height:44px;padding:10px 18px}#code{display:grid;grid-template-columns:minmax(0,1fr) 78px;gap:8px}.code{font-size:12px;padding:7px;line-height:1.7}.code input{width:44px}.drawing,.drawing svg{height:70px;width:78px}.word-token{font-size:14px;padding:8px 10px;min-height:44px}}@media(max-height:480px) and (min-width:520px){.app{grid-template-rows:52px 1fr 18px}.home{gap:12px;padding:10px 0;width:calc(100% - 40px)}.page-heading h1{font-size:26px}.feature{grid-template-columns:1fr 1fr;min-height:0}.feature-copy{min-height:165px;padding:20px}.feature h2{font-size:28px;margin:8px 0}.art-note,.feature p{display:none}.hero-art{grid-row:auto;min-height:0}.disc,.disc.quarters{width:90px}.feature .primary{min-height:44px;padding:8px 16px}.tiles{grid-template-columns:repeat(3,1fr)}.tile{padding:8px;min-height:52px;gap:8px}.mini-art{width:28px;height:28px}.tile strong{font-size:12px}.collection-head,.tile small{display:none}.player{width:calc(100% - 40px);min-height:0;padding:0;gap:2px}.player-top{font-size:12px}.exercise{grid-template-columns:1fr 1.15fr;gap:24px;padding:0}.prompt h1{font-size:27px;margin:8px 0}.prompt p{font-size:13px}.play-area{min-height:160px;padding:14px}.target-bar{height:34px;margin-bottom:12px}.piece{height:44px}.player-bottom{grid-template-columns:1fr auto;padding-top:8px;gap:16px}.player-actions{gap:15px}.player-actions .primary{min-width:90px;min-height:44px;padding:8px 12px}.feedback{font-size:12px;min-height:34px}.code{font-size:12px;padding:6px;line-height:1.5}.drawing,.drawing svg{height:60px}}.app{grid-template-columns:208px minmax(0,1fr);grid-template-rows:72px 1fr 26px}.header{grid-column:1/-1;padding:0 32px;gap:42px}.nav-item{border:0;color:var(--muted);font-weight:400;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.brand,.header-actions{flex-shrink:0}.rail{grid-column:1;grid-row:2/4;border-right:1px solid var(--line);padding:30px 18px;display:flex;flex-direction:column;gap:8px}.rail button{display:flex;gap:12px;align-items:center;text-align:left;min-height:48px;padding:12px 14px;border:0;border-radius:9px;background:none;font-size:14px;color:var(--muted);font-weight:550}.rail button[aria-current=page]{background:var(--tint);color:var(--accentText)}.rail .account-nav{margin-top:auto}.nav-icon{font-size:19px;width:23px;text-align:center}.rail .rail-label{margin:30px 14px 8px;font-size:10px;letter-spacing:1.3px;color:var(--muted);font-family:ui-monospace,monospace}.rail .space-shortcut{min-height:40px;font-size:12px;gap:10px}.space-dot{width:8px;height:8px;border-radius:3px;background:var(--accent);flex:none}.space-dot.blue{background:#5981c5}.space-dot.gold{background:#c59234}.home,.player,.workspace-view{grid-column:2;grid-row:2;width:min(1050px,calc(100% - 64px))}.prototype-note{grid-column:2;grid-row:3}.feature h2{font-size:clamp(32px,3.8vw,49px)}.feature-copy{padding:28px}.disc,.disc.quarters{width:125px}.feature{min-height:290px}.tile{gap:10px;padding:13px}.tile strong{font-size:14px}.mini-art{width:44px;height:44px}.workspace-view{margin:0 auto;align-self:start;padding:24px 0;display:grid;gap:26px}.workspace-view h1{margin:0;font-size:clamp(30px,4vw,44px);line-height:1.1;letter-spacing:-1.5px}.workspace-view .intro{margin:8px 0 0;color:var(--muted);font-size:14px}.space-list{display:grid;gap:14px}.space-card{display:flex;align-items:center;text-align:left;gap:20px;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:14px;min-height:115px}.space-card:hover{border-color:var(--accent)}.space-emblem{display:grid;place-items:center;flex:none;width:58px;height:58px;border-radius:14px;background:var(--tint);color:var(--accentText);font-size:28px;font-weight:750}.space-emblem.blue{background:#e7eef9;color:#335b9a}.space-emblem.gold{background:#f4ead5;color:#805912}.space-card strong{display:block;font-size:21px;letter-spacing:-.5px}.space-card small{display:block;font-size:13px;color:var(--muted);margin-top:5px}.space-arrow{margin-left:auto;font-size:22px}.scope-pill{display:inline-flex;align-items:center;gap:7px;color:var(--accentText);font-size:12px;font-weight:550;margin-bottom:8px}.scope-title{display:flex;gap:20px;align-items:center}.scope-title .space-emblem{width:66px;height:66px}.scope-work{display:grid;grid-template-columns:1.25fr 1fr;gap:20px}.scope-feature{padding:30px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.scope-feature h2{font-size:32px;line-height:1.1;letter-spacing:-1px;margin:15px 0 24px}.scope-feature p{color:var(--muted);font-size:14px}.scope-detail{padding:26px;border-radius:14px;background:var(--tint);display:flex;flex-direction:column;justify-content:center}.scope-detail h2{font-size:20px;letter-spacing:-.5px;margin:10px 0}.scope-detail p{color:var(--muted);font-size:14px;margin:0}.collection-origin{color:var(--accentText)!important}.account-details{border-bottom:1px solid var(--line);margin-bottom:20px;padding-bottom:20px;font-size:14px}.account-details strong{display:block;font-size:18px}.account-details span{color:var(--muted)}.app.in-activity{grid-template-columns:1fr}.app.in-activity .rail{display:none}.app.in-activity .player,.app.in-activity .prototype-note{grid-column:1}.app.in-activity .player{width:min(1120px,calc(100% - 64px))}.mobile-name{display:none}@media(max-width:1000px) and (min-width:761px){.app{grid-template-columns:170px minmax(0,1fr)}.rail{padding:24px 10px}.home,.workspace-view{width:calc(100% - 40px)}.feature-copy{padding:22px}.disc,.disc.quarters{width:90px}.art-fractions{gap:14px}.feature h2{font-size:34px}.tiles{grid-template-columns:1fr}.tile{min-height:52px;padding:8px 12px}.tile small{display:none}.mini-art{width:32px;height:32px}.home{gap:18px;padding:18px 0}}@media(max-width:760px){.app{grid-template-columns:1fr;grid-template-rows:60px 1fr 18px 66px}.header{padding:0 20px;gap:20px}.nav-item{font-size:11px}.home,.player,.prototype-note,.workspace-view{grid-column:1}.prototype-note{grid-row:3}.rail{grid-column:1;grid-row:4;border:0;border-top:1px solid var(--line);padding:4px 8px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--paper)}.rail button{flex-direction:column;justify-content:center;gap:3px;min-height:54px;padding:5px 1px;font-size:10px;white-space:nowrap}.nav-icon{font-size:20px}.rail .account-nav{margin:0}.rail .rail-label,.rail .space-shortcut{display:none}.home{width:calc(100% - 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