.learning-hub{--learn-ink:#253452;--learn-muted:#687690;--learn-purple:#6751bf;max-width:1180px;color:var(--learn-ink);margin:0 auto}.learning-hub button{cursor:pointer;font:inherit}.learning-hub button:disabled{opacity:.45;cursor:not-allowed}.learning-hub button:focus-visible,.learning-hub input:focus-visible{outline-offset:4px;outline:3px solid #b49bee}.learning-hub h1:focus,.learning-hub h2:focus{outline:none}.learn-hero{background:linear-gradient(115deg,#eff0fc,#f0f8fa);border:1px solid #e5e8f5;border-radius:26px;margin-bottom:28px;padding:34px 38px;position:relative;overflow:hidden}.learn-eyebrow{letter-spacing:1.8px;color:#6751a4;align-items:center;gap:9px;font-size:10px;font-weight:800;display:flex}.learn-mark{background:#e2def6;border-radius:10px;padding:8px}.learn-hero h1{z-index:1;letter-spacing:-1.5px;max-width:750px;margin:18px 0 12px;font-size:clamp(28px,3.2vw,43px);font-weight:750;line-height:1.15;position:relative}.learn-hero h1 span{color:var(--learn-purple)}.learn-hero p{color:#627087;z-index:1;max-width:610px;font-size:14px;line-height:1.7;position:relative}.learn-hero-tags{z-index:1;flex-wrap:wrap;gap:17px;margin-top:22px;font-size:11px;font-weight:600;display:flex;position:relative}.learn-hero-tags span{align-items:center;gap:6px;display:flex}.learn-hero-art{opacity:.65;width:250px;height:210px;position:absolute;top:26px;right:20px}.learn-art-cube{background:linear-gradient(135deg,#b2a0ea,#7865c6);border-radius:14px;width:84px;height:84px;position:absolute;top:42px;right:74px;transform:rotate(-15deg)skewY(8deg);box-shadow:14px 14px #d7d2f3}.learn-art-orb{background:radial-gradient(circle at 30% 25%,#fceac0,#eac176);border-radius:50%;width:64px;height:64px;position:absolute;top:128px;right:20px}.learn-art-ring{border:17px solid #8dd1be;border-radius:50%;width:74px;height:74px;position:absolute;top:134px;right:155px;transform:rotate(-20deg)scaleY(.6)}.learn-class-row{justify-content:space-between;align-items:center;gap:20px;margin:0 0 18px;display:flex}.learn-class-row h2{margin-bottom:4px;font-size:20px;font-weight:700}.learn-class-row p{color:var(--learn-muted);font-size:12px}.learn-grades{background:#fff;border:1px solid #e4e7ef;border-radius:16px;gap:6px;padding:5px;display:flex}.learn-grades button{color:#6e7690;border:0;border-radius:11px;min-width:64px;padding:10px 18px;font-weight:700}.learn-grades button[aria-pressed=true]{background:var(--learn-purple);color:#fff;box-shadow:0 3px 7px #6751bf22}.learn-progress{background:#fff;border:1px solid #e3e8f0;border-radius:17px;justify-content:space-between;align-items:center;gap:24px;margin-bottom:24px;padding:18px 22px;display:flex}.learn-progress div{flex-direction:column;gap:5px;display:flex}.learn-progress strong{font-size:13px}.learn-progress span{color:var(--learn-muted);font-size:11px}.learn-progress progress{width:30%;height:8px;accent-color:var(--learn-purple);border:0;border-radius:10px;overflow:hidden}.learn-progress progress::-webkit-progress-bar{background:#efedf7}.learn-progress progress::-webkit-progress-value{background:#8b77d1;border-radius:10px}.learn-filters{flex-wrap:wrap;gap:9px;margin-bottom:19px;display:flex}.learn-filters button{color:#62718a;background:#fff;border:1px solid #e1e5ee;border-radius:12px;align-items:center;gap:7px;padding:10px 15px;font-size:12px;font-weight:600;display:flex}.learn-filters button[aria-pressed=true]{color:#6751a4;background:#eeeafa;border-color:#cec4ec}.learn-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.learn-card{text-align:left;background:#fff;border:1px solid #e3e7ef;border-radius:20px;padding:0;transition:box-shadow .18s,transform .18s;overflow:hidden}.learn-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px #2434540d}.learn-card-art{background:linear-gradient(115deg,#efedfa,#f4f2fd);place-items:center;height:130px;display:grid;position:relative}.learn-science .learn-card-art{background:linear-gradient(115deg,#eaf5ee,#f1f8f5)}.learn-number{color:#a99ccb;font-size:11px;font-weight:700;position:absolute;top:15px;left:20px}.learn-science .learn-number{color:#85b299}.learn-card-body{padding:20px}.learn-subject{color:#8a79b0;letter-spacing:.7px;font-size:10px;font-weight:700;display:block}.learn-science .learn-subject{color:#438269}.learn-card h3{margin:7px 0 8px;font-size:18px;font-weight:700}.learn-card-body>p{color:var(--learn-muted);min-height:38px;font-size:12px;line-height:1.6}.learn-card-bottom{color:var(--learn-muted);border-top:1px solid #edf0f5;justify-content:space-between;align-items:center;gap:12px;margin-top:17px;padding-top:14px;font-size:10px;display:flex}.learn-card-bottom strong{color:#71609b;align-items:center;gap:5px;font-size:11px;display:flex}.learn-picture{filter:drop-shadow(0 7px 6px #31524017);font-size:66px;line-height:1}.learn-picture>span{color:#79c4d4}.learn-counter-art{grid-template-columns:repeat(3,1fr);gap:10px;display:grid;transform:rotate(-8deg)}.learn-counter-art span{background:linear-gradient(135deg,#baadef,#8f7dd5);border-radius:7px;width:25px;height:25px;box-shadow:4px 4px #dcd4f3}.learn-shape-art{align-items:center;gap:26px;display:flex}.learn-shape-art div{background:#9b88df;border-radius:8px;width:58px;height:58px;transform:rotate(-12deg)skewY(8deg);box-shadow:8px 8px #d6cbf2}.learn-shape-art span{background:radial-gradient(circle at 30% 30%,#fce9b6,#e5b14a);border-radius:50%;width:50px;height:50px}.learn-storage{color:var(--learn-muted);margin:24px 0 10px;font-size:11px;line-height:1.6}.learn-back{color:#6b5a99;background:0 0;border:none;align-items:center;gap:8px;padding:0 0 19px;display:flex;font-size:12px!important;font-weight:650!important}.learn-player{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:start;gap:22px;display:grid}.learn-lab,.learn-task{background:#fff;border:1px solid #e2e7ef;border-radius:22px;overflow:hidden}.learn-lab-top{justify-content:space-between;align-items:center;gap:8px;padding:16px 20px;display:flex}.learn-lab-top span{align-items:center;gap:7px;font-size:12px;font-weight:700;display:flex}.learn-lab-top button{color:#6c57a3;background:#f1edf9;border:0;border-radius:8px;padding:7px 10px;font-size:10px}.learn-canvas{touch-action:none;width:100%;height:350px}.learn-canvas canvas{max-width:100%;display:block}.learn-loading{background:#edf4ff;place-items:center;font-size:13px;display:grid}.learn-model-note{color:var(--learn-muted);text-align:center;padding:11px 14px;font-size:10px;line-height:1.6}.learn-controls{background:#fafbfe;border-top:1px solid #edf0f5;padding:14px 22px}.learn-controls p{padding:3px 0;font-size:12px;line-height:1.6}.learn-controls small{color:var(--learn-muted);margin-top:8px;font-size:10px;line-height:1.6;display:block}.learn-stepper{justify-content:space-between;align-items:center;gap:10px;margin:8px 0;font-size:12px;display:flex}.learn-stepper>div{align-items:center;gap:10px;display:flex}.learn-stepper button{background:#fff;border:1px solid #dce1ec;border-radius:10px;place-items:center;width:34px;height:34px;display:grid}.learn-stepper output{text-align:center;min-width:20px;font-size:15px;font-weight:700}.learn-pick{margin:9px 0 16px}.learn-pick>strong{margin-bottom:7px;font-size:11px;display:block}.learn-pick>div{flex-wrap:wrap;gap:6px;display:flex}.learn-pick button{background:#fff;border:1px solid #dde2ed;border-radius:10px;padding:9px 12px;font-size:11px}.learn-pick button[aria-pressed=true]{color:#60469e;background:#eae6f9;border-color:#a998d6}.learn-reset{color:#7b6a9e;background:0 0;border:0;justify-content:center;align-items:center;gap:7px;margin:15px auto;display:flex;font-size:11px!important}.learn-steps{color:#a0a7b8;border-bottom:1px solid #edf0f5;justify-content:space-between;gap:8px;margin:0;padding:18px 22px;font-size:11px;list-style:none;display:flex}.learn-steps .active{color:#6f57b4;font-weight:700}.learn-steps .done{color:#388b6b}.learn-task-content{padding:24px}.learn-task h2{letter-spacing:-.4px;margin:9px 0 12px;font-size:22px;font-weight:700;line-height:1.3}.learn-task-content>p{color:var(--learn-muted);margin-bottom:12px;font-size:13px;line-height:1.7}.learn-speak,.learn-hint{color:#7b67a8;background:0 0;border:0;align-items:center;gap:7px;margin:14px 0;padding:0;display:flex;font-size:11px!important}.learn-options{border:0;min-width:0;margin:22px 0 16px;padding:0}.learn-options legend{margin-bottom:12px;font-size:14px;font-weight:700;line-height:1.5}.learn-options label{cursor:pointer;border:1px solid #e3e6ee;border-radius:12px;align-items:center;gap:10px;margin:8px 0;padding:13px;font-size:13px;line-height:1.5;display:flex}.learn-options label.selected{background:#f3f0fb;border-color:#a894d8}.learn-options input{accent-color:#7960bd;flex-shrink:0;width:16px;height:16px}.learn-primary{background:var(--learn-purple);color:#fff;border:0;border-radius:12px;justify-content:center;align-items:center;gap:9px;width:100%;margin-top:18px;padding:14px;display:flex;font-size:12px!important;font-weight:700!important}.learn-primary:hover{background:#5843a8}.learn-secondary{color:#705c9d;background:0 0;border:0;margin:17px auto 0;display:block;font-size:12px!important}.learn-feedback,.learn-hint-text{background:#fcf3dc;border-radius:12px;padding:12px;line-height:1.6;color:#7e632e!important;font-size:12px!important}.learn-hint-text{background:#f3effa;color:#735a9c!important}.learn-experiment-button{color:#327858;background:#e3f3ec;border:1px solid #badbc9;border-radius:10px;padding:10px 14px;font-size:12px!important}.learn-success-icon{color:#429a76;background:#e5f4ec;border-radius:22px;place-items:center;width:70px;height:70px;margin-bottom:18px;display:grid}.learn-takeaway{background:#f2f8f4;border:1px solid #dceee2;border-radius:14px;margin:18px 0;padding:16px;font-size:13px;line-height:1.6}.learn-takeaway strong{color:#4d8a6b;font-size:11px}.learn-flat{background:#edf4ff;place-items:center;min-height:350px;padding:20px;display:grid}.learn-flat>svg{width:100%;max-width:350px;height:290px}.learn-flat-tokens{grid-template-columns:repeat(3,1fr);gap:15px;display:grid}.learn-flat-tokens>span{background:#eab747;border-radius:50%;width:38px;height:38px;display:block}.learn-flat-tokens>span.square{background:#9883d5;border-radius:5px}.learn-flat-place{align-items:center;gap:24px;display:flex}.learn-flat-place>div:first-child{gap:6px;display:flex}.learn-ten{flex-direction:column;gap:2px;display:flex}.learn-ten span{background:#5b88d6;border-radius:2px;width:18px;height:18px}.learn-flat-plates{grid-template-columns:repeat(3,1fr);gap:10px;width:100%;display:grid}.learn-flat-plate{text-align:center;background:#fff;border-radius:15px;min-height:130px;padding:12px 7px;font-size:11px}.learn-flat-plate .learn-flat-tokens{grid-template-columns:repeat(2,1fr);justify-items:center;gap:7px;margin:14px auto 0}.learn-flat-plate .learn-flat-tokens span{background:#9883d5;width:22px;height:22px}.learn-flat-picture{text-align:center;font-size:85px}.learn-flat-picture small{color:var(--learn-muted);font-size:16px;display:block}@media (width>=1300px){.learn-cards{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=900px){.learn-hero-art{opacity:.25;right:-55px}.learn-player{grid-template-columns:1fr}}@media (width<=600px){.learn-hero{border-radius:20px;padding:25px 22px}.learn-hero-tags{gap:12px;font-size:10px}.learn-hero h1{letter-spacing:-1px}.learn-class-row{flex-direction:column;align-items:stretch;gap:13px}.learn-grades{align-self:flex-start}.learn-cards{grid-template-columns:1fr;gap:15px}.learn-progress{gap:10px;padding:15px}.learn-progress progress{width:25%}.learn-canvas{height:320px}.learn-card-art{height:116px}.learn-task-content{padding:20px}.learn-filters button{padding:9px 11px}}@media (prefers-reduced-motion:reduce){.learn-card{transition:none}.learn-card:hover{transform:none}}.learn-illustration{width:110px;height:104px}.learn-flat-picture .learn-illustration{width:220px;height:220px}.learn-mango-art span{background:linear-gradient(135deg,#f8d783,#eab448);border-radius:45% 45% 50% 50%;box-shadow:3px 3px #ecdfba}