.game-illustration{display:block;width:100%;height:100%;overflow:visible}.game-illustration-body,.game-illustration-lift,.game-illustration-sparks,.game-illustration-hand,.game-illustration-flame{transform-box:fill-box;transform-origin:center;transition:transform var(--motion-settle, .24s) var(--ease-settle, cubic-bezier(.22, 1, .36, 1))}.game-illustration-hand{transform-origin:0% 70%}.game-illustration-flame{transform-origin:center top}@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference){:is(.topic-card,.daily-card:not(:disabled),.game-row):hover .game-illustration-body{transform:translateY(-3px) rotate(-3deg)}:is(.topic-card,.daily-card:not(:disabled),.game-row):hover .game-illustration-lift{transform:translateY(-5px) rotate(5deg)}:is(.topic-card,.daily-card:not(:disabled),.game-row):hover .game-illustration-sparks{transform:scale(1.1) rotate(5deg)}:is(.topic-card,.daily-card:not(:disabled),.game-row):hover .game-illustration-hand{transform:rotate(16deg)}:is(.topic-card,.daily-card:not(:disabled),.game-row):hover .game-illustration-flame{transform:scaleY(1.15)}}@media (prefers-reduced-motion: reduce){.game-illustration g,.game-illustration path{transition:none}}html[data-motion-input=keyboard] .game-illustration :is(g,path){transition:none}html[data-motion-input=keyboard] .game-illustration :is(.game-illustration-body,.game-illustration-lift,.game-illustration-sparks,.game-illustration-hand,.game-illustration-flame){transform:none}.journey-screen{width:100%;margin:0 auto;scroll-margin-top:104px}.journey-screen .game.learning-game{max-width:none;width:100%}.upper-table-scroll{overflow-x:auto;max-width:100%;padding:8px 0}.upper-place-table,.upper-method-table{border-collapse:collapse;margin:0 auto;font-variant-numeric:tabular-nums}.upper-place-table caption,.upper-method-table caption{padding-bottom:16px;font-size:15px;color:var(--ink-soft)}.upper-place-table th,.upper-method-table th{font-size:13px;font-weight:600;padding:8px;color:var(--ink-soft)}.upper-place-table td,.upper-method-table td{padding:12px;min-width:48px;border:1px solid var(--stroke-quiet);font-size:clamp(18px,3vw,28px);background:var(--surface-quiet)}.upper-place-table th small{display:block;font-size:11px;color:var(--primary)}.journey-upper-model .active-place{background:var(--surface);outline:2px solid var(--primary);outline-offset:-2px}.upper-model-caption{max-width:65ch;margin:24px auto 0;min-height:3em;line-height:1.6}.upper-expression,.upper-remainders>strong,.upper-division-check>strong{font:600 clamp(22px,4vw,36px) var(--font-display);overflow-wrap:anywhere}.upper-expression{padding:24px 8px;min-height:96px}.upper-expression.alternate{border:2px dashed var(--primary);border-radius:var(--radius-md);background:var(--surface)}.upper-operation-focus{padding:12px;color:var(--primary);font-size:18px;border:1px solid var(--stroke-quiet);border-radius:var(--radius-md)}.upper-array{display:inline-grid;gap:6px;max-width:100%;padding:16px;border:2px solid var(--primary);border-radius:var(--radius-md)}.upper-array>div{display:flex;gap:6px}.upper-array i,.upper-leftovers i{display:block;width:clamp(10px,2vw,18px);height:clamp(10px,2vw,18px);border-radius:4px;background:var(--primary);border:1px solid var(--ink-soft)}.upper-bars{max-width:620px;margin:16px auto}.upper-whole{min-height:48px;padding:12px;border:2px solid var(--primary);border-radius:8px}.upper-parts{display:flex;min-height:48px;margin-top:12px;border:2px dashed var(--ink-soft);border-radius:8px;overflow:hidden}.upper-parts>span{display:grid;place-items:center;background:var(--primary);color:var(--bg);font-weight:600}.upper-parts>span+span{background:var(--accent);color:var(--ink)}.upper-unit-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:3px;max-width:280px;margin:20px auto 0}.upper-unit-grid i{aspect-ratio:1;border:1px solid var(--stroke-quiet);border-radius:3px}.upper-unit-grid i.matched{background:var(--primary)}.upper-unit-grid i.extra{background:var(--accent);border-color:var(--ink-soft)}.upper-lists{display:grid;gap:16px}.upper-lists>div{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.upper-lists span{display:grid;place-items:center;min-width:40px;padding:8px;border:1px solid var(--stroke-quiet);border-radius:8px}.upper-lists .shared-value{border:2px solid var(--primary);font-weight:800;text-decoration:underline}.upper-lists.alternate>div{border-bottom:2px solid var(--primary);padding:12px 0}.upper-track{max-width:560px;margin:24px auto;padding:24px 28px}.upper-track-line{position:relative;height:56px;border-bottom:4px solid var(--ink-soft)}.upper-track-line>span{position:absolute;transform:translate(-50%);top:0;padding:8px;border-radius:8px;background:var(--surface);border:2px solid var(--primary);font-weight:700}.upper-track-line i{position:absolute;height:16px;border-left:2px dashed var(--ink-soft);left:50%;bottom:-8px}.upper-track-ends,.upper-gap-comparison{display:flex;justify-content:space-between;gap:16px;padding-top:12px}.upper-sharing-bowls,.upper-leftovers{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:16px 0}.upper-sharing-bowls span{min-width:40px;padding:8px;border:2px solid var(--primary);border-radius:4px 4px 16px 16px}.upper-leftovers i{background:var(--accent)}.upper-partial-products{display:flex;justify-content:center;flex-wrap:wrap;gap:16px}.upper-partial-products>div{border:1px solid var(--stroke-quiet);padding:16px;border-radius:var(--radius-md)}.upper-product-tile{padding:16px;margin-top:8px;border:2px solid var(--primary);border-radius:8px;font-size:24px}.upper-fraction-bar{display:flex;min-height:56px;max-width:560px;margin:16px auto;border:2px solid var(--ink-soft);border-radius:8px;overflow:hidden}.upper-fraction-bar>span{display:grid;place-items:center;flex:1;border-right:1px solid var(--ink-soft)}.upper-fraction-bar>span:last-child{border-right:0}.upper-fraction-bar>span.selected{background:var(--accent);color:var(--ink)}.upper-sharing-bowls .upper-extra-pack{border-style:dashed;background:var(--surface)}.upper-fill-gap{margin-top:16px}.upper-model-view{transition:opacity var(--motion-quick) var(--ease-settle)}@starting-style{.upper-model-view{opacity:.4}}.keyboard-input .upper-model-view{transition:none}@media (prefers-reduced-motion: reduce){.upper-model-view{transition:none}}.journey-screen h1{font-size:clamp(28px,4.5vw,42px);line-height:1.15;letter-spacing:-.025em}.journey-screen h1:focus{outline:none}.journey-screen p{line-height:1.6}.journey-intro{display:grid;grid-template-columns:1fr 160px;align-items:center;gap:24px;margin-top:20px}.journey-intro h1{margin:8px 0 16px}.journey-intro p{color:var(--ink-soft)}.journey-hero-art{width:160px;height:160px}.journey-counts{font-size:14px}.journey-intro .journey-next{color:var(--ink);font-weight:600}.journey-overview{display:flex;flex-wrap:wrap;gap:8px 24px;padding:20px 4px 0;color:var(--ink-soft);font-size:14px}.journey-explainer{margin:16px 4px 24px;color:var(--ink-soft);font-size:14px}.journey-chapters{display:grid;gap:20px}.journey-chapter-heading{display:flex;align-items:center;gap:16px}.journey-chapter-heading>div{flex:1;min-width:0}.journey-chapter-heading h2{margin:4px 0;font-size:clamp(22px,3vw,28px)}.journey-chapter-heading p{margin:0;font-size:13px;color:var(--ink-soft)}.journey-chapter-number{display:grid;place-items:center;flex:0 0 44px;height:44px;border:1px solid var(--stroke-quiet);border-radius:50%;color:var(--primary);background:var(--surface-quiet);font-size:20px;font-weight:600}.journey-chapter-state{max-width:130px;color:var(--ink-soft);font-size:13px;line-height:1.4;text-align:right}.journey-stops{margin:20px 0}.journey-stops summary{cursor:pointer;min-height:44px;padding:12px 0;font-size:14px;color:var(--ink-soft)}.journey-stops ol{list-style:none;padding:0;margin:0 auto;max-width:560px}.journey-stops li{position:relative;padding:8px 0}.journey-stops li:nth-child(4n+2),.journey-stops li:nth-child(4n+4){margin-left:36px}.journey-stops li:nth-child(4n+3){margin-left:72px}.journey-stops li:not(:last-child):after{content:"";position:absolute;left:36px;top:88px;height:48px;border-left:4px dashed var(--stroke-quiet);transform:rotate(-48deg);transform-origin:top;pointer-events:none}.journey-stops li:nth-child(4n+3):after,.journey-stops li:nth-child(4n+4):after{transform:rotate(48deg)}.journey-lesson{position:relative;z-index:1;display:flex;align-items:center;gap:16px;width:100%;min-height:88px;padding:8px 0;border:0;border-radius:var(--radius-md);background:transparent;color:var(--ink);font:500 16px var(--font);text-align:left}.journey-node{display:grid;place-items:center;flex:0 0 72px;height:72px;border-radius:50%;border:2px solid var(--stroke-quiet);background:var(--surface-quiet);color:var(--ink-soft);box-shadow:0 5px 0 var(--stroke-quiet);font:600 26px var(--font-display)}.journey-node.complete{background:var(--primary);color:var(--action-ink);border-color:var(--primary)}.journey-lesson[aria-current=step] .journey-node{border:3px solid var(--primary);background:color-mix(in srgb,var(--primary) 10%,var(--paper));box-shadow:0 5px color-mix(in srgb,var(--primary) 35%,var(--stroke-quiet))}.journey-node>.game-illustration{width:68px;height:68px}.journey-node-label{padding:12px 16px;border-radius:var(--radius-md)}.journey-lesson[aria-current=step] .journey-node-label{background:var(--surface-quiet);border:1px solid var(--stroke-quiet)}.journey-lesson small{display:block;margin-top:5px;font-weight:400;font-size:12px;color:var(--ink-soft)}.journey-checkpoint{margin-top:16px}.journey-chapter.upcoming{box-shadow:none}.journey-chapter.upcoming>p{font-size:14px;color:var(--ink-soft)}.journey-intro-lesson,.journey-result{max-width:800px;margin:0 auto;text-align:center}.journey-intro-lesson>.back-link{display:block;text-align:left}.journey-result-art{display:inline-block;width:104px;height:104px}.journey-intro-lesson h2,.journey-recommendations h2{font-size:20px}.journey-example{padding:24px;margin:24px 0;border:1px solid var(--stroke-quiet);border-radius:var(--radius-md);background:var(--surface-quiet);font-size:20px}.journey-playground-prompt{margin-top:0;font-size:16px;color:var(--ink-soft)}.journey-playground-number{display:block;color:var(--primary);font:600 clamp(28px,5vw,40px) var(--font-display);font-variant-numeric:tabular-nums}.journey-lab-track{position:relative;height:132px;margin:12px 40px 0}.journey-lab-rail{position:absolute;left:0;right:0;top:80px;height:4px;border-radius:4px;background:var(--ink-soft)}.journey-lab-marker{position:absolute;top:8px;width:72px;height:72px;transform:translate(-50%)}.journey-lab-start,.journey-lab-end{position:absolute;top:96px;font-size:clamp(12px,2.5vw,18px);font-weight:600}.journey-lab-start{left:0;transform:translate(-50%)}.journey-lab-end{right:0;transform:translate(50%)}.journey-lab-slider{display:block;width:100%;height:44px;margin:0;accent-color:var(--primary);cursor:grab}.journey-lab-slider:focus-visible{outline:3px solid var(--primary);outline-offset:3px}.journey-playground-explanation{font-size:18px}.journey-intro-lesson>.primary{margin-top:16px}.journey-result .journey-result-count{font-size:40px;color:var(--primary)}.journey-result-count small{font-size:16px;color:var(--ink-soft)}.journey-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:24px}.journey-recommendations{margin:24px 0;padding:16px;border:1px solid var(--stroke-quiet);border-radius:var(--radius-md);background:var(--surface-quiet)}.journey-recommendations ul{padding:0;list-style:none}.journey-help{margin-top:24px}.neighbour-choices{grid-template-columns:repeat(3,minmax(0,1fr))}.neighbour-choices strong{font-size:clamp(18px,3vw,26px)}.journey-banner{width:100%;margin:0 0 16px;display:flex;align-items:center;gap:16px;padding:20px 24px;border:1px solid var(--glass-border);border-radius:22px;background:var(--glass-surface);color:var(--ink);text-align:left;box-shadow:inset 0 1px 0 var(--glass-inner),var(--shadow-1);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.journey-banner-art{width:64px;height:64px;flex:0 0 64px}.journey-banner-copy{flex:1;min-width:0}.journey-banner strong,.journey-banner small{display:block}.journey-banner strong{font:500 22px var(--font-display)}.journey-banner small{margin-top:5px;color:var(--ink-soft);font-size:13px;line-height:1.5}.free-play-heading{margin:28px 0 -8px;font-size:20px;font-weight:500}.journey-hub-intro{margin:20px 0 24px}.journey-skill-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.journey-skill-list .journey-banner{margin:0}.journey-review-invitation{margin-top:20px}.journey-review-invitation h2{font-size:22px;margin:0}.journey-stage-list{list-style:none;padding:0;display:grid;gap:12px;margin:24px 0}.journey-stage-list li{display:grid;grid-template-columns:140px 1fr;gap:12px;padding:16px;border:1px solid var(--stroke-quiet);border-radius:var(--radius-md);background:var(--surface-quiet)}.journey-stage-list li[aria-current=step]{border:2px solid var(--primary)}.journey-stage-list li span{color:var(--ink-soft);line-height:1.5}.journey-lesson:disabled{cursor:default;opacity:.65}.journey-worked-model{text-align:left;margin:20px 0;padding:20px;background:var(--surface-quiet);border:1px solid var(--stroke-quiet);border-radius:var(--radius-md)}.journey-worked-fact{color:var(--primary);font:600 clamp(20px,4vw,32px) var(--font-display);overflow-wrap:anywhere}.journey-worked-model ol{padding-left:24px}.journey-worked-model li{padding:8px 0;line-height:1.6}.journey-teaching{scroll-margin-top:104px}.journey-teaching h2:focus,.journey-worked-model li:focus{outline:2px solid var(--primary);outline-offset:4px;border-radius:4px}.journey-counter-model{display:flex;flex-wrap:wrap;gap:12px}.journey-counter-group{display:flex;flex-wrap:wrap;max-width:180px;gap:6px;padding:12px;border:2px dashed var(--stroke-quiet);border-radius:var(--radius-md)}.journey-counter-group i{width:16px;height:16px;border-radius:50%;background:var(--primary);border:2px solid var(--ink-soft)}.journey-counter-group i.joined{background:var(--accent)}.journey-counter-group i.taken{background:transparent;border-style:dashed}.journey-method{margin-bottom:20px}.journey-method summary{cursor:pointer;min-height:44px;line-height:1.5;padding:8px}.journey-reference{text-align:left;font-size:16px}.journey-support{padding:20px;margin:20px 0;background:var(--surface-quiet);border:1px solid var(--stroke-quiet);border-radius:var(--radius-md)}.journey-number-entry{display:grid;gap:12px;max-width:340px;margin:20px auto}.journey-number-entry input{width:100%;min-height:56px;border:2px solid var(--stroke-quiet);border-radius:var(--radius-md);background:var(--surface-quiet);color:var(--ink);font:600 28px var(--font-display);text-align:center}.journey-number-entry input:focus-visible{outline:3px solid var(--primary);outline-offset:3px}.journey-arithmetic .math-prompt{flex-wrap:wrap;justify-content:center;margin:24px 0 32px}.journey-arithmetic .choice{min-width:0;font-size:clamp(18px,3vw,28px)}.journey-arithmetic .math-num{overflow-wrap:anywhere}.journey-level-number{display:block;margin-bottom:4px;color:var(--ink-soft);font-size:12px}.journey-node.placed{border-style:dashed}.journey-discovery{width:100%;text-align:center}.journey-discovery>.back-link{display:block;max-width:100%;white-space:normal;text-align:left}.journey-discovery h1{margin:16px 0 12px}.discovery-instruction{max-width:48ch;margin:0 auto 24px;color:var(--ink-soft)}.discovery-rounding,.discovery-arithmetic{padding:24px;border:1px solid var(--stroke-quiet);border-radius:var(--radius-md);background:var(--surface-quiet)}.discovery-track{position:relative;height:180px;margin:0 40px;overflow:visible}.discovery-rail{position:absolute;top:108px;inset-inline:0;height:4px;border-radius:4px;background:var(--ink-soft)}.discovery-midpoint{position:absolute;left:50%;top:84px;height:48px;border-left:2px dashed var(--stroke-quiet)}.discovery-midpoint span{display:block;margin-top:56px;transform:translate(-50%);color:var(--ink-soft);font-size:13px}.discovery-station{position:absolute;top:120px;color:var(--ink);font-size:clamp(12px,2.4vw,20px);font-weight:600}.discovery-station.start{left:0;transform:translate(-50%)}.discovery-station.end{right:0;transform:translate(50%)}.discovery-rocket{position:absolute;inset:8px 0 auto;transition:transform var(--motion-settle) var(--ease-settle);pointer-events:none}.discovery-rocket>span{display:block;width:76px}.discovery-rocket .game-illustration{width:76px;height:76px}.discovery-rocket strong{display:block;color:var(--ink);font-size:18px;font-variant-numeric:tabular-nums}.discovery-caption{margin:16px auto;max-width:48ch;color:var(--ink-soft);min-height:3em}.discovery-distance-bars{margin:0 auto 20px;max-width:400px;text-align:left}.discovery-distance-bars p{margin:12px 0 4px}.discovery-distance-bars>div{height:12px;border-radius:6px;background:var(--stroke-quiet);overflow:hidden}.discovery-distance-bars i{display:block;height:100%;background:var(--primary);transform-origin:left}.discovery-model-card{position:relative;border:1px solid var(--stroke-quiet);border-radius:var(--radius-md);background:var(--surface-quiet);padding-top:44px}.discovery-model-card>.discovery-rounding,.discovery-model-card>.discovery-arithmetic{border:0;background:none;padding-top:0}.discovery-model-toggle{position:absolute;top:4px;right:8px;z-index:2}.discovery-alternate.icon-btn{width:44px;height:44px;margin:0;border:1px solid var(--stroke-quiet)}.discovery-model-tooltip{position:absolute;top:calc(100% + 4px);right:0;width:max-content;max-width:min(220px,65vw);padding:8px 12px;border-radius:8px;background:var(--ink);color:var(--paper);font-size:14px;line-height:1.4;text-align:left;box-shadow:var(--shadow-1)}.discovery-alternate svg{width:22px;height:22px}.discovery-model-toggle .discovery-alternate[aria-pressed=true]{background:var(--primary);color:var(--paper);border-color:var(--primary)}.discovery-model-card .back-link{position:static}.discovery-prediction h2{font:500 clamp(20px,3vw,28px) var(--font-display);line-height:1.4;overflow-wrap:anywhere}.discovery-choices{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:20px 0}.discovery-choices .choice{flex:1 1 100px;min-height:56px;min-width:0;max-width:220px;padding:12px;font-size:clamp(18px,3vw,24px);overflow-wrap:anywhere}.discovery-choices [aria-pressed=true]{outline:3px solid var(--primary);outline-offset:3px;background:var(--surface-quiet)}.discovery-response{min-height:3em;color:var(--ink-soft)}.discovery-response.correct{color:var(--ink)}.discovery-ten-frames{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;padding:12px 0}.discovery-ten-frame{display:grid;grid-template-columns:repeat(5,1fr);width:min(100%,280px);border:2px solid var(--ink-soft);border-radius:8px;overflow:hidden}.discovery-ten-frame>span{display:grid;place-items:center;aspect-ratio:1;border:1px solid var(--stroke-quiet)}.discovery-circle-model .discovery-ten-frame{min-width:224px}.discovery-circle-button{display:grid;place-items:center;aspect-ratio:1;min-width:44px;min-height:44px;padding:0;border:1px solid var(--stroke-quiet);border-radius:0;background:transparent;color:var(--ink);cursor:pointer}.discovery-circle-button:focus-visible{outline:3px solid var(--primary);outline-offset:-4px}.discovery-circle-model .discovery-circle-button i{display:grid;place-items:center;border-color:var(--ink-soft);opacity:1;font-style:normal;font-weight:800}.discovery-circle-model .discovery-ten-frame i{transition:none}.discovery-tap-hint{padding:12px 16px;border:1px solid var(--stroke-quiet);border-radius:12px;background:var(--surface)}.discovery-ten-frame i{display:block;width:65%;aspect-ratio:1;border:2px dashed var(--stroke-quiet);border-radius:50%;opacity:.5;transition:transform var(--motion-quick) var(--ease-settle),opacity var(--motion-quick)}.discovery-ten-frame i.filled{background:var(--primary);border:2px solid var(--ink);opacity:1}.discovery-ten-frame i.joined{background:var(--accent)}.discovery-ten-frame i.taken{background:transparent;opacity:.35;border-style:dashed;transform:translateY(-6px)}.discovery-groups{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;min-height:120px}.discovery-group{padding:12px;border:2px solid var(--primary);border-radius:12px;transition:opacity var(--motion-quick),transform var(--motion-quick) var(--ease-settle)}.discovery-group.waiting{opacity:.3;transform:translateY(4px);border-style:dashed}.discovery-group>span{display:block;font-size:12px;margin-bottom:8px;color:var(--ink-soft)}.discovery-group>div{display:grid;grid-template-columns:repeat(5,12px);gap:5px;min-height:24px}.discovery-group i{width:12px;height:12px;border-radius:50%;background:var(--primary)}.discovery-array{display:inline-grid;gap:8px;padding:12px;border:2px dashed var(--stroke-quiet);border-radius:var(--radius-md)}.discovery-array>div{display:flex;gap:8px}.discovery-array i{width:12px;height:12px;border-radius:50%;background:var(--primary)}.discovery-groups.bowls .discovery-group{border-radius:8px 8px 24px 24px;border-top-style:dashed}.discovery-part-whole>strong{display:block;color:var(--primary);font:600 40px var(--font-display)}.discovery-part-whole>span{display:block;color:var(--ink-soft)}.discovery-part-whole>div{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;margin-top:16px}.discovery-part-whole b{padding:12px;border:2px solid var(--stroke-quiet);border-radius:var(--radius-md);font:500 24px var(--font-display)}.discovery-column-scroll{max-width:100%;overflow-x:auto}.discovery-columns{margin:0 auto;border-collapse:collapse;font-variant-numeric:tabular-nums}.discovery-columns caption{color:var(--ink-soft);font-size:14px;padding-bottom:16px}.discovery-columns th{color:var(--ink-soft);font-size:12px;padding:8px;font-weight:500}.discovery-columns td{border-inline:1px solid var(--stroke-quiet);padding:12px;font:500 28px var(--font-display)}.discovery-columns .active-place{background:color-mix(in srgb,var(--primary) 12%,var(--surface-quiet))}.discovery-carry{display:block;padding-top:8px;color:var(--primary)}.discovery-column-total{border-top:2px solid var(--ink-soft)}.discovery-arithmetic>.back-link{margin:12px;min-height:44px}.keyboard-input .discovery-rocket,.keyboard-input .discovery-ten-frame i,.keyboard-input .discovery-group{transition:none}@media (prefers-reduced-motion: reduce){.discovery-rocket,.discovery-ten-frame i,.discovery-group{transition:none}.discovery-ten-frame i.taken,.discovery-group.waiting{transform:none}}@media (max-width: 600px){.app:has(.learning-game-time,.journey-discovery-time)>main.container{padding-bottom:12px}.journey-discovery{padding:16px}.discovery-rounding,.discovery-arithmetic{padding:16px 12px}.discovery-track{margin-inline:40px}.discovery-rounding .discovery-caption{font-size:14px}.discovery-columns th{padding:4px}.discovery-columns td{padding:8px;font-size:22px}.journey-screen .station-choices.large-values,.journey-skill-list{grid-template-columns:1fr}.journey-stage-list li{grid-template-columns:1fr;gap:4px}.journey-worked-model{padding:12px}.journey-intro{grid-template-columns:1fr;gap:8px}.journey-hero-art{display:none}.journey-chapter-heading{flex-wrap:wrap;gap:12px}.journey-chapter-state{text-align:left;max-width:none;width:100%;margin-left:56px}.journey-chapter-number{flex-basis:36px;height:36px}.journey-actions .btn{width:100%}.neighbour-choices{grid-template-columns:1fr}.neighbour-choices .station-choice{min-height:88px}.journey-banner{padding:16px;gap:12px}.journey-banner-art{width:48px;height:48px;flex-basis:48px}.journey-banner strong{font-size:20px}.journey-stops li:nth-child(4n+2),.journey-stops li:nth-child(4n+4){margin-left:18px}.journey-stops li:nth-child(4n+3){margin-left:36px}.journey-stops li:not(:last-child):after{left:32px;top:80px;height:37px;transform:rotate(-30deg)}.journey-stops li:nth-child(4n+3):after,.journey-stops li:nth-child(4n+4):after{transform:rotate(30deg)}.journey-node{flex-basis:64px;height:64px}.journey-node>.game-illustration{width:60px;height:60px}.journey-lesson{min-height:80px;gap:8px}.journey-node-label{padding:8px;font-size:14px}.journey-example{padding:16px}}.journey-clock{width:min(100%,240px);margin:8px auto}.journey-clock .clock{width:100%}.journey-time-question{display:grid;gap:16px}.journey-time-question>h2,.journey-time-question>p{margin:0}.journey-time-question>.journey-clock{margin:0 auto}.journey-time-question>.btn{justify-self:center}.clock-fields{display:flex;justify-content:center;gap:16px}.clock-fields label{display:grid;gap:8px;font-weight:700}.clock-fields select{min-height:44px;min-width:88px;padding:8px;font:inherit;border:2px solid var(--primary);border-radius:12px;background:#fff;color:inherit}.journey-time-question .time-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.journey-time-question .choice{min-width:0;min-height:54px;padding:10px}.discovery-time .discovery-caption{min-height:0}@media (max-width: 600px){.journey-clock{width:min(100%,190px)}.journey-time-question h2{font-size:20px;margin:8px 0}.journey-discovery-time{padding:12px}.journey-discovery-time h1{font-size:23px;margin:6px 0}.journey-discovery-time .learning-eyebrow{margin:0;font-size:13px}.journey-discovery-time .discovery-instruction{font-size:14px;line-height:1.4;margin:6px 0 10px}.journey-discovery-time .discovery-model-card{padding:12px}.journey-discovery-time .journey-clock{width:min(36dvh,160px);margin:2px auto}.journey-discovery-time .discovery-caption{font-size:13px;line-height:1.3;margin:8px auto}.journey-discovery-time .discovery-prediction h2{font-size:17px;line-height:1.3;margin:8px 0}.journey-discovery-time .discovery-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:12px 0}.journey-discovery-time .choice{max-width:none;min-height:44px;padding:7px;font-size:15px}.journey-discovery-time .discovery-response{min-height:0;margin:6px 0;font-size:13px;line-height:1.3}.journey-discovery-time .btn{min-height:44px;padding:8px 14px;font-size:16px}.learning-game-time{gap:6px}.learning-game-time .hud{display:flex;flex-wrap:wrap;gap:4px}.learning-game-time .hud .pill{padding:5px 8px;font-size:12px}.learning-game-time .hud-quit,.learning-game-time>.learning-score-note{display:none}.learning-game-time .learning-round-title{margin:0;font-size:18px}.learning-game-time .learning-round-art{display:none}.learning-game-time .journey-method{padding:6px 10px;font-size:12px;margin:0}.learning-game-time .learning-question{padding:10px}.learning-game-time .journey-clock{width:min(26dvh,170px);margin:4px auto}.learning-game-time .learning-feedback{padding:8px 12px;margin:0;min-height:0;font-size:13px}.learning-game-time .learning-feedback p{margin:4px 0}.learning-game-time .btn{min-height:44px;padding:8px 12px;font-size:16px}.learning-game-time .learning-hint{margin:6px 0;font-size:13px;line-height:1.3}.learning-game-time .learning-score-note{margin:4px 0;font-size:12px}}@media (max-width: 600px) and (max-height: 740px){.journey-discovery-time h1{display:none}.journey-discovery-time .journey-clock{width:126px}.journey-discovery-time .discovery-instruction{font-size:13px;margin:4px 0 6px}.journey-discovery-time .discovery-prediction h2{margin:5px 0}.learning-game-time .journey-clock{width:128px}}@media (max-width: 600px){.journey-screen .game.learning-game-time{display:grid;gap:16px;scroll-margin-top:76px}.journey-screen .learning-game-time .hud{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}.journey-screen .learning-game-time .hud .pill{min-height:30px;padding:4px;font-size:11px;gap:3px}.journey-screen .learning-game-time .hud .label{font-size:10px}.journey-screen .learning-game-time .learning-progress{margin:0;height:4px}.journey-screen .learning-game-time .learning-round-title{margin:0;line-height:1.2;font-size:16px;gap:2px 8px}.journey-screen .learning-game-time .learning-round-title small{font-size:12px}.journey-screen .learning-game-time .learning-question{padding:16px;margin:0}.journey-screen .learning-game-time .journey-time-question{gap:12px}.journey-screen .learning-game-time .journey-time-question>.journey-clock{margin:0 auto}.journey-screen .learning-game-time .journey-time-question>p{margin:0}.journey-screen .learning-game-time .learning-question h2{font-size:19px;line-height:1.25;margin:0}.journey-screen .learning-game-time .journey-method{border-radius:12px}.journey-screen .learning-game-time .journey-help{margin:12px 0 0}.journey-screen .learning-game-time .learning-feedback{line-height:1.3}.journey-screen .learning-game-time .learning-next{margin:0}}.journey-clock .clock .hand-hour,.journey-clock .clock .hand-min{transition:transform var(--motion-settle) var(--ease-settle)}.journey-clock .clock.dragging .hand-hour,.journey-clock .clock.dragging .hand-min{transition:none}@media (prefers-reduced-motion: reduce){.journey-clock .clock .hand-hour,.journey-clock .clock .hand-min{transition:none}}@media (max-width: 600px) and (max-height: 600px){.journey-screen .game.learning-game-time,.journey-screen .learning-game-time .journey-time-question{gap:8px}.journey-screen .learning-game-time .time-choices .choice{min-height:44px;padding:8px}.journey-screen .learning-game-time .journey-clock{width:100px}.journey-screen .learning-game-time .hud .pill{min-height:24px}.journey-screen .learning-game-time .learning-question{padding:12px}.journey-screen .learning-game-time .learning-round-title{font-size:14px}.journey-screen .learning-game-time .learning-feedback{font-size:12px;padding:6px 8px}.journey-discovery-time .journey-clock{width:100px}.journey-discovery-time .discovery-instruction{font-size:12px}}@media (max-width: 600px) and (min-height: 601px) and (max-height: 740px){.journey-screen .game.learning-game-time{gap:12px}}.focused-practice{display:grid;gap:20px;scroll-margin-top:120px}.focused-practice>.back-link{min-height:52px;justify-self:start}.practice-more{margin-top:24px}.practice-more>summary{cursor:pointer;min-height:44px;padding:12px 0;font-weight:600}.practice-play-screen,.practice-question{text-align:center;padding:clamp(24px,5vw,48px)}.practice-play-screen{padding:24px}.practice-play-screen>p{margin:8px auto;max-width:560px}.practice-play-screen h1{margin:8px 0 12px;font-size:clamp(30px,5vw,40px)}.practice-hero-art{width:80px;height:80px;margin:0 auto 8px}.practice-hero-art svg,.practice-small-art svg{width:100%;height:100%}.practice-example{color:var(--primary);font-size:28px;display:flex;align-items:center;justify-content:center;gap:8px}.practice-example-box{display:inline-grid;place-items:center;width:1.35em;height:1.35em;border:3px solid currentColor;border-radius:8px;font-size:1.2em;line-height:1}.practice-current{display:grid;gap:4px;margin:16px auto}.practice-current span,.practice-note{color:var(--ink-soft);font-size:14px}.practice-current strong{font-size:22px}.practice-play-screen>.btn{display:block;margin:12px auto;min-width:160px}.practice-change{max-width:360px;margin:16px auto}.practice-change summary,.practice-speed-entry{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;width:100%;min-height:64px;padding:10px 14px;border-radius:var(--radius-lg);text-align:left}.practice-change summary{cursor:pointer;color:var(--ink);background:var(--surface-quiet);border:2px solid var(--stroke-quiet);list-style:none}.practice-change summary::-webkit-details-marker{display:none}.practice-change summary span:nth-child(2),.practice-speed-entry span:nth-child(2){display:grid;gap:2px}.practice-change summary strong,.practice-speed-entry strong{font-size:16px}.practice-change summary small,.practice-speed-entry small{color:var(--ink-soft);font-size:13px}.practice-action-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--paper);font-size:21px;box-shadow:var(--shadow-1)}.practice-change-chevron,.practice-speed-arrow{font-size:28px;line-height:1;transition:transform .15s ease}.practice-change[open] .practice-change-chevron{transform:rotate(90deg)}.practice-challenge-list{display:grid;gap:8px;margin:12px 0}.practice-challenge-list [aria-pressed=true]{border:2px solid var(--primary);background:var(--surface-quiet)}.practice-round-header{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.practice-round-header h1{font-size:clamp(22px,3vw,32px);margin:0;flex:1}.practice-small-art{width:64px;height:64px}.practice-equation{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;font-size:clamp(32px,6vw,60px);margin:32px 0;font-weight:700}.practice-number-box{display:inline-grid;place-items:center;min-width:1.5em;min-height:1.5em;padding:0 8px;border:2px dashed var(--primary);border-radius:var(--radius-md)}.practice-answers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;max-width:760px;margin:0 auto}.practice-answers .choice{min-height:88px;font-size:32px;padding:12px}.practice-balloons .choice{border-radius:50% 50% 42% 42%;border:2px solid var(--primary);background:var(--surface-quiet)}.practice-answers .choice.correct{position:relative;border:2px solid var(--action-fill, var(--primary));background:var(--action-fill, var(--primary));color:var(--action-ink, #fff);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 20%,transparent);opacity:1}.practice-answers .choice.correct:after{content:"✓";position:absolute;top:-6px;right:8px;display:grid;place-items:center;width:28px;height:28px;border:2px solid var(--action-fill, var(--primary));border-radius:50%;background:var(--action-ink, #fff);color:var(--action-fill, var(--primary));font-size:18px;font-weight:700;line-height:1}.practice-answers .choice:disabled:not(.correct){opacity:.55}.practice-feedback{min-height:56px;display:grid;place-items:center;margin:20px 0 8px}.practice-clue{margin:20px auto;padding:16px;border:1px solid var(--stroke-quiet);border-radius:var(--radius-md);background:var(--surface-quiet);max-width:640px}.practice-counters{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;max-width:300px;margin:16px auto}.practice-counters span{width:20px;height:20px;border-radius:50%;background:var(--primary)}.practice-groups{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:16px 0}.practice-group{width:96px;padding:12px;border:2px solid var(--stroke-quiet);border-radius:var(--radius-md);background:var(--paper)}.practice-group .practice-counters{margin:8px 0 0;gap:4px}.practice-group .practice-counters span{width:12px;height:12px}.practice-worked{font-size:24px;font-weight:600}.practice-speed-hud{display:flex;justify-content:center;flex-wrap:wrap;gap:16px;margin-bottom:24px;font-weight:700}.practice-speed-hud>span{padding:12px 20px;border:2px solid var(--stroke-quiet);border-radius:24px;background:var(--surface-quiet);font-variant-numeric:tabular-nums}.practice-speed-hud [role=timer]{border-color:var(--primary)}.practice-play-screen>.practice-speed-entry{max-width:360px;margin:12px auto;border:2px solid color-mix(in oklab,var(--primary) 45%,var(--paper));background:linear-gradient(135deg,color-mix(in oklab,var(--primary) 16%,var(--paper)),color-mix(in oklab,var(--primary-2) 14%,var(--paper)));color:var(--ink);box-shadow:var(--shadow-1)}.practice-speed-entry .practice-action-icon{color:var(--primary)}.practice-speed-entry:hover{transform:translateY(-1px);box-shadow:var(--shadow-2)}@media (max-width: 600px){.focused-practice{gap:10px}.practice-answers{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.practice-equation{gap:8px}.practice-round-header>span:last-child{width:100%;text-align:center}.practice-play-screen{padding:18px 14px}.practice-hero-art{width:96px;height:96px}.practice-change,.practice-play-screen>.practice-speed-entry{max-width:100%}}@media (max-width: 600px) and (max-height: 850px){body:has(.focused-practice.practice-active){overflow-y:hidden}.focused-practice.practice-active{height:calc(100dvh - 76px);gap:6px;grid-template-rows:auto auto minmax(0,1fr)}.practice-active>.back-link{min-height:48px;padding-block:8px}.practice-active .practice-round-header{gap:6px 10px;min-height:40px}.practice-active .practice-small-art{width:40px;height:40px}.practice-active .practice-round-header h1{font-size:20px}.practice-active .practice-round-header>span:not(.practice-small-art){font-size:13px}.practice-active .practice-question{min-height:0;overflow:hidden;display:flex;flex-direction:column;justify-content:space-evenly;padding:10px 12px}.practice-active .practice-question h2{margin:2px 0;font-size:20px}.practice-active .practice-equation{margin:6px 0;font-size:clamp(30px,10vw,44px)}.practice-active .practice-answers{gap:8px;width:100%}.practice-active .practice-answers .choice{min-height:50px;padding:6px;font-size:25px}.practice-active .practice-feedback{min-height:30px;margin:3px 0;font-size:14px}.practice-active .practice-question>.btn{min-height:42px;padding-block:8px}.practice-active .practice-clue{max-height:120px;overflow-y:auto;margin:4px auto;padding:8px}.focused-practice:not(.practice-active){gap:6px}.focused-practice:not(.practice-active)>.back-link{min-height:48px;padding-block:8px}.focused-practice:not(.practice-active) .practice-play-screen{padding:10px 14px}.focused-practice:not(.practice-active) .practice-hero-art{width:56px;height:56px;margin-bottom:2px}.focused-practice:not(.practice-active) .practice-play-screen h1{margin:2px 0 4px;font-size:27px}.focused-practice:not(.practice-active) .practice-play-screen>p{margin-block:3px}.focused-practice:not(.practice-active) .practice-example{font-size:23px}.focused-practice:not(.practice-active) .practice-current{margin:6px auto}.focused-practice:not(.practice-active) .practice-play-screen>.btn{min-height:42px;margin:6px auto;padding-block:8px}.focused-practice:not(.practice-active) .practice-change{margin:6px auto}.focused-practice:not(.practice-active) .practice-change summary,.focused-practice:not(.practice-active) .practice-speed-entry{min-height:52px;padding:6px 12px}.focused-practice:not(.practice-active) .practice-action-icon{width:36px;height:36px;border-radius:12px;font-size:18px}.focused-practice:not(.practice-active) .practice-play-screen>.practice-speed-entry{margin:6px auto}}.learning-setup{max-width:800px;margin:0 auto;scroll-margin-top:96px}.learning-intro{text-align:center;padding:8px 0 20px}.learning-emblem{display:block;font-size:72px}.learning-eyebrow{color:var(--ink-soft);font-size:14px;font-weight:600}.learning-intro h1{margin:8px 0;font-size:clamp(28px,5vw,42px)}.learning-intro>p:last-child{margin:0;color:var(--ink-soft)}.learning-howto{padding:20px;border:2px solid var(--accent);border-radius:var(--radius-md);background:var(--paper-soft)}.learning-howto p{margin:8px 0;line-height:1.5}.learning-howto>span{font-weight:600;color:var(--ink-soft)}.learning-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:28px}.learning-actions .primary{font-size:20px;min-height:56px}.game.learning-game{display:block;max-width:880px;margin:0 auto;scroll-margin-top:96px}.learning-game .hud{display:flex;flex-wrap:wrap}.learning-progress{height:8px;background:var(--paper-soft);border-radius:8px;margin:16px 0;overflow:hidden}.learning-progress>span{display:block;height:100%;background:var(--accent);transition:width .25s ease}.learning-round-title{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;font-size:22px;margin:20px 0}.learning-round-title small{font-size:15px;font-weight:500;color:var(--ink-soft)}.learning-round-art{display:inline-flex;width:48px;height:48px;flex:0 0 48px}.learning-question{text-align:center;padding:clamp(18px,4vw,32px)}.learning-question h2{font-size:clamp(24px,4vw,34px);line-height:1.25;margin:12px 0}.learning-question h2 strong{color:var(--primary)}.learning-question p{color:var(--ink-soft);line-height:1.5}.rounding-space{padding:8px 0 0}.rounding-track{position:relative;height:210px;margin:20px 30px 0}.rounding-rail{position:absolute;left:0;right:0;top:130px;height:5px;border-radius:4px;background:var(--ink-soft)}.rounding-tick{position:absolute;height:12px;width:2px;top:126px;background:var(--ink-soft);transform:translate(-50%)}.rounding-tick.midpoint{height:22px;top:121px;background:var(--primary)}.rounding-midpoint{position:absolute;left:50%;top:157px;transform:translate(-50%);color:var(--ink-soft);font-size:16px}.rounding-midpoint small{display:block;font-size:12px}.rounding-rocket{position:absolute;top:30px;display:flex;flex-direction:column;align-items:center;transform:translate(-50%);transition:left .65s cubic-bezier(.22,1,.36,1)}.rounding-rocket>span:first-child{border-radius:10px;padding:4px 10px;background:var(--primary);color:#fff;font-size:20px;font-weight:600}.rounding-rocket .emoji{font-size:44px;line-height:1.5}.rounding-rocket.landed>span:first-child{background:var(--good)}.rounding-end{position:absolute;top:150px;font-weight:600;font-size:20px}.rounding-end.start{left:0;transform:translate(-50%)}.rounding-end.end{right:0;transform:translate(50%)}.station-choices{display:grid;grid-template-columns:1fr 1fr;gap:16px}.station-choice{display:flex;align-items:center;flex-direction:column;gap:4px;min-height:112px;padding:12px}.station-choice>span{font-size:28px}.station-choice strong{font-size:30px}.station-choice small{font-size:14px;font-weight:500}.learning-hint{font-size:15px;margin:20px 0 0}.learning-feedback{padding:16px 20px;margin:16px 0;min-height:96px;background:var(--paper);border-radius:var(--radius-md);border:2px solid transparent;line-height:1.5}.learning-feedback p{margin:4px 0 0;color:var(--ink-soft)}.learning-next{display:block;margin:12px auto;min-height:52px;min-width:220px}.learning-score-note{color:var(--ink-soft);text-align:center;font-size:13px}.learning-game button:disabled{cursor:default}.fraction-number{display:inline-flex;flex-direction:column;vertical-align:middle;align-items:stretch;text-align:center;line-height:1.2;font-weight:600;min-width:1.2em;margin:0 6px}.fraction-number>span:first-child{border-bottom:2px solid currentColor;padding:0 4px 2px}.fraction-number>span:last-child{padding-top:2px}.fraction-pizza{width:min(100%,300px);aspect-ratio:1;position:relative;margin:24px auto}.pizza-slice{position:absolute;top:0;right:0;bottom:0;left:0;padding:0;width:100%;height:100%}.pizza-slice svg{display:block;width:100%;height:100%}.pizza-slice path{stroke:var(--ink-soft);stroke-width:3;stroke-linejoin:round}.pizza-filled{fill:#ffc456}.pizza-empty{fill:var(--paper-soft)}.pizza-topping{fill:#a33124}button.pizza-slice:hover .pizza-empty{fill:var(--bg-1)}button.pizza-slice:focus-visible path{stroke:var(--primary);stroke-width:12}.fraction-bar{display:flex;height:54px;width:100%;border:2px solid var(--ink-soft);border-radius:8px;overflow:hidden;margin:16px 0;background:var(--paper-soft)}.fraction-bar>span{flex:1 1 0;border-right:2px solid var(--ink-soft)}.fraction-bar>span:last-child{border-right:none}.fraction-bar>.filled{background:var(--accent)}.fraction-bar.selectable{height:64px}.fraction-bar>button{flex:1 1 0;min-width:24px;padding:0;border:0;border-right:2px solid var(--ink-soft);border-radius:0;background:transparent;color:var(--ink);font:600 18px var(--font);cursor:pointer}.fraction-bar>button:last-child{border-right:none}.fraction-bar>button:not(:disabled):hover{box-shadow:inset 0 0 0 3px var(--primary)}.fraction-bar>button:focus-visible{outline:3px solid var(--primary);outline-offset:-5px}.fraction-bar>button:disabled{cursor:default}.fraction-bar.chocolate{--chocolate-edge: #603a27;--chocolate-fill: #75452e;border-color:var(--chocolate-edge);background:#f4e7d6}.fraction-bar.chocolate>span,.fraction-bar.chocolate>button{border-right-color:var(--chocolate-edge);box-shadow:inset 0 0 0 3px #fff8ef}.fraction-bar.chocolate>.filled{background:var(--chocolate-fill);color:#fff8ef;box-shadow:inset 0 0 0 3px #925e40,inset 0 0 0 5px var(--chocolate-edge)}.fraction-equivalence{overflow-x:auto}.fraction-equivalence-models{min-width:calc(var(--fraction-parts) * 24px + 4px)}.fraction-equivalence-models>span{color:var(--ink-soft);font-size:15px}.fraction-touch-instruction{font-size:14px}.fraction-comparison{display:grid;grid-template-columns:1fr;gap:20px;max-width:540px;margin:28px auto}.fraction-comparison .fraction-number{font-size:26px}.fraction-equivalence{max-width:540px;margin:24px auto}.fraction-equivalence>span{color:var(--ink-soft);font-size:15px}.fraction-piece-picker{display:grid;grid-template-columns:repeat(auto-fit,minmax(44px,1fr));gap:6px;margin:20px 0}.fraction-piece{min-height:44px;border:2px solid var(--ink-soft);border-radius:8px;background:var(--paper-soft);font-size:22px}.fraction-piece[aria-pressed=true]{background:var(--accent);color:var(--ink);border-color:var(--ink)}.fraction-choices{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:24px 0 8px}.fraction-choices .choice{flex:1 1 100px;min-height:72px;padding:14px;font-size:22px}.fraction-selection{font-weight:600}.learning-focus-label{color:var(--ink-soft);font-size:14px;margin:-8px 0 20px}.rounding-track.large-numbers{margin-inline:40px}.rounding-track.large-numbers .rounding-end{font-size:clamp(12px,2.5vw,18px)}.rounding-track.large-numbers .rounding-midpoint{font-size:clamp(12px,2.5vw,16px)}.station-choice{min-width:0}.station-choice strong{font-size:clamp(18px,4.5vw,30px);font-variant-numeric:tabular-nums}.number-detective .choice{font-size:clamp(18px,4.5vw,28px);font-variant-numeric:tabular-nums}.number-detective .detective-equation{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;margin:24px 0;font-variant-numeric:tabular-nums}.detective-missing-box{display:inline-grid;place-items:center;min-width:72px;min-height:72px;padding:12px;border:2px dashed var(--ink-soft);border-radius:var(--radius-md);background:var(--surface-quiet);color:var(--primary)}.fact-family-numbers{display:flex;justify-content:center;gap:12px;margin:24px 0 16px}.fact-family-numbers>span{display:grid;place-items:center;min-width:56px;min-height:56px;padding:8px;border-radius:var(--radius-md);background:var(--surface-quiet);border:1px solid var(--stroke-quiet);color:var(--primary);font:600 28px var(--font-display)}.fact-family-sentences{display:grid;gap:12px;max-width:440px;margin:24px auto}.fact-family-sentence{display:flex;align-items:center;justify-content:center;gap:clamp(6px,2vw,16px);min-height:64px;padding:8px;border:1px solid var(--stroke-quiet);border-radius:var(--radius-md);background:var(--surface-quiet);font-size:clamp(20px,4vw,28px);font-variant-numeric:tabular-nums}.fact-family-index{font:500 12px var(--font);color:var(--ink-soft)}.fact-family-sentence select{width:76px;min-width:0;min-height:48px;border:2px solid var(--primary);border-radius:10px;padding:4px;background:var(--paper);color:var(--ink);font:inherit;cursor:pointer}.fact-family-sentence select:focus-visible{outline:3px solid var(--primary);outline-offset:3px}.fact-family-sentence select:disabled{opacity:1;cursor:default;border-color:var(--good)}.number-builders>.learning-eyebrow{margin:0 0 6px}.number-builders>h2{margin:6px 0}.number-builders>p{margin:6px 0}.place-value-yard{display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:12px;margin:12px 0}.place-value-yard.extended{grid-template-columns:repeat(4,minmax(0,1fr))}.builder-expanded{padding:12px;margin:12px 0;border:1px solid var(--stroke-quiet);border-radius:var(--radius-md);background:var(--surface-quiet)}.builder-expanded h3{margin:0 0 8px;font-size:16px;color:var(--ink-soft)}.builder-expanded p{margin:0;font-size:clamp(20px,3vw,28px);font-weight:600;color:var(--ink);overflow-wrap:anywhere}.place-token{display:grid;place-items:center;min-width:40px;min-height:28px;padding:4px;border:1px solid var(--stroke-quiet);border-radius:8px;background:color-mix(in srgb,var(--primary-2) 16%,var(--surface-quiet));color:var(--ink);font-size:12px;font-weight:700}.place-value-column .place-contribution{margin:12px 0 0;font-size:12px;overflow-wrap:anywhere}.place-value-column{min-width:0;padding:16px 12px;border-radius:var(--radius-md);background:var(--surface-quiet);border:1px solid var(--stroke-quiet)}.place-value-column h3{font-size:18px;margin:0 0 12px}.place-value-column h3 small{display:block;font:500 13px var(--font);color:var(--ink-soft)}.block-display{display:flex;align-content:flex-start;align-items:flex-start;justify-content:center;flex-wrap:wrap;gap:4px;min-height:64px;padding:8px 0}.block-empty{color:var(--ink-soft);font-size:13px;margin:auto}.base-block{display:block;flex:0 0 auto;border:1px solid color-mix(in srgb,var(--ink) 35%,transparent);border-radius:2px}.place-value-yard{--block-unit: clamp(4px, 1vw, 10px)}.base-block.ones{width:var(--block-unit);height:var(--block-unit);background:var(--primary)}.base-block.tens{width:var(--block-unit);height:calc(var(--block-unit) * 10);background:repeating-linear-gradient(to bottom,transparent 0 9%,var(--stroke-quiet) 9% 10%),var(--primary-2)}.base-block.hundreds{width:calc(var(--block-unit) * 10);height:calc(var(--block-unit) * 10);background:repeating-linear-gradient(to bottom,transparent 0 9%,var(--stroke-quiet) 9% 10%),repeating-linear-gradient(to right,transparent 0 9%,var(--stroke-quiet) 9% 10%),var(--accent)}.block-stepper{display:grid;grid-template-columns:44px minmax(16px,1fr) 44px;align-items:center;justify-content:center;gap:4px;max-width:160px;margin:8px auto 0}.block-stepper .btn{min-width:44px;min-height:44px;padding:4px;font-size:24px}.block-stepper output{font-size:24px;font-weight:600}.number-builders>.primary,.toy-shop>.primary{margin-top:20px;min-height:48px}.number-answer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:24px auto 8px;max-width:600px}.number-answer-grid .choice{min-height:76px;padding:12px 8px;font-size:28px}.number-answer-grid small{display:block;font:500 14px var(--font)}.shop-wallet{display:inline-block;background:var(--surface-quiet);border:1px solid var(--stroke-quiet);border-radius:16px;padding:12px 20px;margin:12px 0;font-weight:600}.toy-shelf{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin:20px 0}.toy-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:20px 12px;min-width:0;border-radius:var(--radius-md);border:2px solid var(--stroke-quiet);background:var(--surface-quiet);color:var(--ink);font:inherit}.toy-item.selected{border-color:var(--primary);background:color-mix(in srgb,var(--primary) 10%,var(--surface-quiet))}.toy-emoji{font-size:52px;line-height:1.4}.toy-price{font-weight:700;color:var(--ink)}.toy-item small{color:var(--ink-soft);font-size:13px}.shop-basket-total{font-size:20px;font-weight:600}.daily-board-link{margin:12px 0 20px}@media (max-width: 600px){.learning-game .hud{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-areas:none;gap:8px}.learning-game .hud .pill.score,.learning-game .hud .pill.round,.learning-game .hud .hud-quit{grid-area:auto}.learning-game .hud .pill{width:auto;margin:0;min-height:44px;justify-content:center}.learning-game .hud .hud-quit{width:100%;margin:0;min-height:44px}.place-value-yard{gap:8px}.place-value-yard.extended{grid-template-columns:repeat(2,minmax(0,1fr))}.place-value-column{padding:10px 6px}.place-value-column h3{font-size:15px}.block-stepper{grid-template-columns:44px minmax(16px,1fr) 44px;gap:2px}.block-stepper .btn{min-width:44px}.block-display{min-height:48px}.number-answer-grid,.toy-shelf{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 480px){.learning-round-title{font-size:19px}.rounding-track{margin-right:16px;margin-left:16px}.station-choices{gap:10px}.rounding-end{font-size:17px}}@media (prefers-reduced-motion: reduce){.rounding-rocket,.learning-progress>span{transition:none}}:root{--bg-1: #fde68a;--bg-2: #fca5a5;--bg-3: #a5b4fc;--bg-4: #6ee7b7;--ink: #1f1147;--ink-soft: #4c3a8a;--paper: #ffffff;--paper-soft: #fff7ed;--primary: #7c3aed;--primary-2: #ec4899;--accent: #14b8a6;--good: #16a34a;--bad: #dc2626;--warn: #f59e0b;--radius-xl: 28px;--radius-lg: 20px;--radius-md: 14px;--radius-sm: 10px;--shadow-1: 0 10px 30px rgba(31, 17, 71, .12), 0 2px 6px rgba(31, 17, 71, .06);--shadow-2: 0 18px 50px rgba(31, 17, 71, .18), 0 6px 16px rgba(31, 17, 71, .1);--font: "Fredoka", "Baloo 2", "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif, "Noto Color Emoji";--emoji: "Noto Color Emoji", "Apple Color Emoji", "Segoe UI Emoji", sans-serif}.emoji,.topic-card-emoji,.daily-banner-emoji,.daily-card-emoji,.daily-totals-cell-emoji,.trigger-emoji,.welcome-recap-emoji{font-family:var(--emoji)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);font-weight:500;color:var(--ink);background:radial-gradient(1200px 700px at 10% -10%,var(--bg-1) 0%,transparent 60%),radial-gradient(900px 600px at 110% 10%,var(--bg-2) 0%,transparent 55%),radial-gradient(900px 700px at 100% 110%,var(--bg-3) 0%,transparent 60%),radial-gradient(900px 600px at -10% 110%,var(--bg-4) 0%,transparent 60%),var(--page, #fffaf2);background-attachment:fixed;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background-color .4s ease,color .4s ease}button,input,select{font-family:inherit;color:inherit}h1,h2,h3,h4,h5,h6{font-weight:600}button{cursor:pointer;border:none;background:none}:is(button,a,input,select,textarea,[tabindex]:not([tabindex="-1"]),[role=radio],[role=tab],[role=menuitemradio],[role=button]):focus-visible{outline:3px solid var(--primary);outline-offset:2px}.themed-bg{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden;z-index:0}.bubble{position:absolute;border-radius:50%;opacity:.28;filter:blur(1px);animation:float 18s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0) translate(0)}50%{transform:translateY(-30px) translate(10px)}}.scape{position:fixed;left:0;right:0;bottom:0;width:100%;height:220px;z-index:0;pointer-events:none;opacity:.68}.scape>span{position:absolute;bottom:8px;display:inline-block;filter:drop-shadow(0 4px 6px rgba(0,0,0,.18))}.scape.jungle{height:260px}.scape.stars{position:fixed;top:0;height:100%}.scape.rainbow{height:320px}.scape.comic .boom{position:absolute;font-weight:600;font-size:28px;color:var(--bad);background:var(--paper);border-radius:18px;padding:6px 14px;box-shadow:var(--shadow-1);transform:rotate(-8deg)}.scape.candy>span{bottom:24px}.themed-bg.theme-space:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(2px 2px at 13% 22%,#fff,transparent 60%),radial-gradient(1px 1px at 28% 78%,#fff,transparent 60%),radial-gradient(1.5px 1.5px at 55% 18%,#cffafe,transparent 60%),radial-gradient(2px 2px at 71% 64%,#fff,transparent 60%),radial-gradient(1px 1px at 88% 41%,#fbcfe8,transparent 60%),radial-gradient(1.5px 1.5px at 41% 51%,#fff,transparent 60%),radial-gradient(1px 1px at 8% 68%,#fff,transparent 60%),radial-gradient(2px 2px at 62% 88%,#fff,transparent 60%),radial-gradient(1px 1px at 95% 8%,#fff,transparent 60%),radial-gradient(1.5px 1.5px at 22% 38%,#fff,transparent 60%);background-size:800px 800px;opacity:.9;animation:twinkle-bg 6s ease-in-out infinite}@keyframes twinkle-bg{0%,to{opacity:.6}50%{opacity:1}}.themed-bg.theme-ice:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(1.5px 1.5px at 14% 22%,#ffffff,transparent 60%),radial-gradient(1.5px 1.5px at 38% 78%,#ffffff,transparent 60%),radial-gradient(2px 2px at 62% 18%,#ffffff,transparent 60%),radial-gradient(1.5px 1.5px at 78% 64%,#ffffff,transparent 60%),radial-gradient(2px 2px at 22% 51%,#ffffff,transparent 60%);opacity:.7}.themed-bg.theme-comic .bubble{opacity:.18}.app{position:relative;z-index:1;min-height:100%;display:flex;flex-direction:column}.topbar{padding:max(14px,env(safe-area-inset-top)) 0 14px;position:sticky;top:0;z-index:10;background:color-mix(in oklab,var(--paper) 78%,transparent);backdrop-filter:blur(10px) saturate(120%);-webkit-backdrop-filter:blur(10px) saturate(120%)}.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;width:min(1000px,100% - 32px);margin:0 auto;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);box-sizing:border-box}.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:22px;letter-spacing:.2px;min-width:0}.brand .brand-text{display:flex;flex-direction:column;min-width:0;line-height:1.1}.brand .logo{width:50px;height:50px;border-radius:14px;box-shadow:var(--shadow-1);flex-shrink:0;object-fit:cover;display:block}.brand small{color:var(--ink-soft);font-weight:600;font-size:13px;white-space:nowrap}.player-chip{display:inline-flex;align-items:center;gap:8px;background:var(--paper);border-radius:999px;padding:6px 14px 6px 8px;box-shadow:var(--shadow-1);font-weight:600}.player-chip .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--primary));color:#fff;display:grid;place-items:center;font-size:14px}.player-chip .avatar-img{background:var(--paper-soft);padding:0;overflow:hidden}.player-chip .avatar-img img{width:100%;height:100%;object-fit:cover;display:block}.player-chip .avatar{position:relative;overflow:visible}.player-chip .avatar-img{overflow:hidden;position:relative}.player-chip .avatar-img .avatar-badge{position:absolute;right:-6px;bottom:-6px;width:18px;height:18px;border-radius:50%;background:var(--paper);display:grid;place-items:center;font-size:11px;box-shadow:var(--shadow-1);pointer-events:none}.player-chip.signed-in{box-shadow:var(--shadow-1),0 0 0 2px color-mix(in oklab,var(--accent) 35%,transparent)}.player-chip .chip-name{max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-chip{cursor:pointer;border:none;font-size:14px}.container{flex:1;width:min(1000px,100% - 32px);margin:0 auto;padding:8px 0 40px}.card{background:var(--paper);border-radius:var(--radius-xl);box-shadow:var(--shadow-2);padding:28px}.topics-greeting{text-align:center;padding:24px 8px 4px}.topics-greeting h1{margin:0 0 6px;font-size:clamp(28px,5vw,38px)}.topics-greeting p{margin:0;color:var(--ink-soft);font-size:clamp(15px,2.5vw,18px)}.daily-banner{display:flex;align-items:center;gap:14px;width:100%;margin:20px 0 0;padding:16px 20px;border-radius:var(--radius-xl);background:linear-gradient(135deg,color-mix(in oklab,var(--primary) 22%,var(--paper)),color-mix(in oklab,var(--primary-2) 22%,var(--paper)));color:var(--ink);text-align:left;cursor:pointer;box-shadow:var(--shadow-1);transition:transform .12s ease,box-shadow .12s ease}.daily-banner:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}.daily-banner.done{background:linear-gradient(135deg,color-mix(in oklab,var(--good) 22%,var(--paper)),color-mix(in oklab,var(--accent) 22%,var(--paper)))}.daily-banner-emoji{font-size:36px;line-height:1;flex-shrink:0}.daily-banner-text{display:flex;flex-direction:column;gap:2px;flex:1}.daily-banner-text strong{font-size:18px;font-weight:600}.daily-banner-text small{color:var(--ink-soft);font-size:13px}.daily-banner-cta{color:var(--ink-soft);font-size:28px;line-height:1}.topics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:28px 0}@media (max-width: 640px){.topics-grid{grid-template-columns:1fr;gap:14px;margin:20px 0}}.topic-card{position:relative;background:var(--paper);border-radius:var(--radius-xl);box-shadow:var(--shadow-2);padding:32px 24px 24px;text-align:left;cursor:pointer;border:3px solid transparent;transition:transform .15s ease,box-shadow .15s ease,border-color .2s;display:grid;gap:8px;min-height:200px;overflow:hidden}.topic-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(120% 80% at 100% 0%,color-mix(in oklab,var(--topic-accent, var(--primary)) 22%,transparent),transparent 60%);pointer-events:none}.topic-card:hover{transform:translateY(-4px);box-shadow:0 24px 60px #1f114738,0 8px 20px #1f11471f;border-color:var(--topic-accent, var(--primary))}.topic-card-emoji{font-size:64px;line-height:1}.topic-card-label{margin:6px 0 2px;font-size:clamp(22px,3.5vw,28px)}.topic-card-tag{margin:0;color:var(--ink-soft);font-size:15px;line-height:1.4}.topic-card-cta{margin-top:12px;display:inline-flex;align-items:center;gap:4px;color:var(--topic-accent, var(--primary));font-weight:600;font-size:16px}.topics-footer{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}.rich-select{position:relative}.rich-select-trigger{display:flex;align-items:center;gap:12px;width:100%;padding:14px 14px 14px 16px;margin:0 0 8px;background:var(--paper);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);border:2px solid transparent;cursor:pointer;text-align:left;transition:border-color .15s,transform .1s}.rich-select[data-open=true] .rich-select-trigger{border-color:var(--primary)}.rich-select-trigger .trigger-emoji{font-size:26px;line-height:1;flex-shrink:0}.rich-select-trigger .trigger-text{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;line-height:1.2}.rich-select-trigger .trigger-text strong{font-size:16px;font-weight:600;color:var(--ink)}.rich-select-trigger .trigger-desc{font-size:13px;color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rich-select-trigger .trigger-chevron{color:var(--ink-soft);font-size:14px;flex-shrink:0;transition:transform .15s}.rich-select[data-open=true] .trigger-chevron{transform:rotate(180deg)}.rich-select .rich-select-options{display:none}.rich-select[data-open=true] .rich-select-options{display:block;animation:rich-options-in .18s ease-out}@media (prefers-reduced-motion: reduce){.rich-select[data-open=true] .rich-select-options{animation:none}}@keyframes rich-options-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.about-page,.legal-page{max-width:720px;margin:0 auto;padding:28px 24px}.about-page .back-link,.legal-page .back-link{margin-bottom:8px}.legal-page .legal-title{margin:4px 0;font-size:clamp(26px,4.4vw,32px)}.legal-page .legal-meta{margin:0 0 18px;color:var(--ink-soft);font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.06em}.legal-page .legal-lede{margin:0 0 18px;color:var(--ink-soft);font-size:clamp(15px,2.6vw,17px);line-height:1.45}.legal-page .legal-section{margin:22px 0;padding-top:18px;border-top:1px solid color-mix(in oklab,var(--ink-soft) 15%,transparent)}.legal-page .legal-section:first-of-type{border-top:none;padding-top:0}.legal-page .legal-section h2{font-size:clamp(18px,3vw,22px);margin:0 0 10px}.legal-page .legal-section p{margin:0 0 10px;line-height:1.55;color:var(--ink)}.legal-page .legal-section ul{margin:0 0 10px;padding-left:20px;line-height:1.6}.legal-page .legal-section li{margin-bottom:4px}.legal-page a{color:var(--primary);font-weight:600;text-decoration:none}.legal-page a:hover{text-decoration:underline}.about-page .about-title{margin:4px 0;font-size:clamp(26px,4.4vw,32px)}.about-page .about-lede{margin:0 0 18px;color:var(--ink-soft);font-size:clamp(15px,2.6vw,17px);line-height:1.45}.about-page .about-section{margin:24px 0;padding-top:18px;border-top:1px solid color-mix(in oklab,var(--ink-soft) 15%,transparent)}.about-page .about-section:first-of-type{border-top:none;padding-top:0}.about-page .about-section h2{font-size:clamp(18px,3vw,22px);margin:0 0 10px}.about-page .about-section p{margin:0 0 10px;line-height:1.5;color:var(--ink)}.about-page .about-list{margin:0 0 8px;padding-left:20px;line-height:1.6}.about-page .about-list li{margin-bottom:4px}.about-page a{color:var(--primary);font-weight:600;text-decoration:none}.about-page a:hover{text-decoration:underline}.about-page .text-link{background:none;border:none;padding:0;color:var(--primary);font-weight:600;cursor:pointer;font-size:inherit;font-family:inherit}.about-page .text-link:hover{text-decoration:underline}.about-page .about-actions{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.about-page .about-hint{margin:0;color:var(--ink-soft);font-size:13px}.about-page .about-credit{text-align:center;font-size:14px;color:var(--ink-soft)}.about-page .about-version-num{display:inline-block;padding:2px 10px;border-radius:999px;background:color-mix(in oklab,var(--primary) 10%,var(--paper-soft));color:var(--primary);font-weight:700;font-size:15px;letter-spacing:.02em}.stats-page{max-width:680px;margin:0 auto;padding:28px 24px}.stats-page .back-link{margin-bottom:8px}.stats-page .stats-title{display:flex;align-items:center;gap:12px;margin:4px 0 6px;font-size:clamp(26px,4.4vw,32px)}.stats-title-icon{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:15px;color:var(--primary);background:color-mix(in oklab,var(--primary) 12%,var(--paper-soft))}.stats-title-icon .ui-icon{width:26px;height:26px}.stats-page .stats-lede{margin:0 0 18px;color:var(--ink-soft);font-size:clamp(14px,2.4vw,16px);line-height:1.45}.stats-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:4px;background:var(--paper-soft);border-radius:var(--radius-lg);margin-bottom:18px;width:100%}.stats-tab{border:none;background:transparent;border-radius:var(--radius-md);padding:8px 16px;font-weight:700;font-size:14px;color:var(--ink-soft);cursor:pointer;transition:background .15s,color .15s}.stats-tab.active{background:var(--paper);color:var(--ink);box-shadow:var(--shadow-1)}.leaderboard-embedded{padding:0}.leaderboard-embedded h2{font-size:22px}.stats-overall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0 8px}.stats-overall-tile{display:flex;align-items:center;gap:14px;background:var(--paper-soft);border:1px solid color-mix(in oklab,var(--primary) 12%,transparent);border-radius:var(--radius-lg);padding:18px;text-align:left;min-width:0}.stats-metric-icon{display:grid;place-items:center;width:44px;height:44px;flex:0 0 44px;border-radius:14px;color:var(--primary);background:var(--paper);box-shadow:var(--shadow-1);font-size:22px}.stats-overall-tile .num{font-size:clamp(24px,5vw,30px);font-weight:600;color:var(--ink);line-height:1}.stats-overall-tile .lbl{margin-top:5px;font-size:13px;font-weight:600;color:var(--ink-soft)}.stats-overall-tile .lbl small{display:block;margin-top:2px;font-size:11px;opacity:.8}@media (max-width: 480px){.stats-page{padding:18px 14px}.stats-page .stats-lede{margin-bottom:14px}.stats-tab{padding:9px 6px;font-size:13px}.stats-overall{gap:8px}.stats-overall-tile{flex-direction:column;align-items:flex-start;gap:10px;padding:12px}.stats-metric-icon{width:38px;height:38px;flex-basis:38px;font-size:19px}}.stats-recent{margin-top:24px;padding-top:18px;border-top:1px solid color-mix(in oklab,var(--ink-soft) 14%,transparent)}.stats-recent h2{margin:0 0 12px;font-size:clamp(18px,3vw,22px)}.stats-empty{margin:0;color:var(--ink-soft)}.stats-recent-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.stats-recent-row{display:flex;align-items:center;gap:10px;background:var(--paper-soft);border-radius:var(--radius-md);padding:10px 12px}.stats-recent-row .emoji{font-size:22px;flex-shrink:0}.stats-recent-meta{flex:1 1 auto;min-width:0}.stats-recent-title{font-weight:600;font-size:14px;color:var(--ink)}.stats-recent-title small{color:var(--ink-soft);font-weight:600}.stats-recent-sub{font-size:12px;color:var(--ink-soft);margin-top:2px}.stats-recent-score{font-weight:600;color:var(--primary);flex-shrink:0}.back-link{position:sticky;top:calc(var(--topbar-height, 100px) + 8px);z-index:9;display:inline-flex;align-items:center;align-self:start;justify-self:start;justify-content:center;width:fit-content;min-height:52px;min-width:148px;gap:6px;padding:10px 20px;border:2px solid var(--primary);background:var(--paper);color:var(--ink);box-shadow:var(--shadow-1);font-weight:600;font-size:18px;border-radius:999px;margin:4px 0 14px;cursor:pointer;transition:background .15s,color .15s}.back-link:hover{background:var(--paper-soft);color:var(--ink)}.app:has(.activity-toolbar){--topbar-height: 0px !important}.app:has(.activity-toolbar)>.topbar,.app:has(.activity-toolbar)>.foot,.app:has(.activity-toolbar) .hud-quit{display:none}.activity-toolbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:max(8px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) 8px max(12px,env(safe-area-inset-left));background:var(--paper);border-radius:var(--radius-md);margin-bottom:12px}.activity-toolbar .back-link{position:static;margin:0;min-width:0;min-height:48px;font-size:16px;padding:8px 16px}.activity-toolbar .icon-btn{flex-shrink:0;min-width:48px;min-height:48px}.activity-settings-dialog{width:min(720px,calc(100% - 24px));max-height:calc(100dvh - 24px);padding:0;border:0;border-radius:var(--radius-md);background:var(--paper);color:var(--ink);overflow:auto}.activity-settings-dialog::backdrop{background:#0008}.activity-settings-dialog .back-link{position:static}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:center}@media (max-width: 760px){.hero{grid-template-columns:1fr}}.hero h1{font-size:clamp(28px,4.4vw,44px);margin:0 0 8px;line-height:1.05}.hero h1 .accent{color:var(--primary)}.hero p{color:var(--ink-soft);font-size:18px;margin:0 0 18px}.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:var(--radius-lg);font-weight:600;font-size:18px;background:var(--paper-soft);color:var(--ink);box-shadow:var(--shadow-1);transition:transform .12s ease,box-shadow .12s ease,background .2s}.btn:not(:disabled):hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}.btn:not(:disabled):active{transform:translateY(0)}.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:var(--shadow-1)}.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff}.btn.ghost{background:transparent;box-shadow:none}.btn.ghost:hover{background:#ffffff80}.btn.danger{background:var(--bad);color:#fff}.btn.small{padding:8px 14px;font-size:14px;border-radius:12px}.section-title{font-size:22px;margin:22px 4px 12px;display:flex;align-items:baseline;gap:10px}.section-title small{color:var(--ink-soft);font-weight:600;font-size:13px}.tile-grid{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:14px}.tile-grid>.tile{flex:0 1 100%}@media (min-width: 641px){.tile-grid>.tile{flex-basis:calc(50% - 7px)}}@media (min-width: 900px){.tile-grid>.tile{flex-basis:calc(25% - 11px)}}.topic-tile{text-align:center}.topic-tile .emoji{display:block;margin:4px auto 8px}.tile{background:var(--paper);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-1);text-align:left;transition:transform .12s,box-shadow .12s;border:3px solid transparent;position:relative}.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}.tile.selected{border-color:var(--primary)}.tile .emoji{font-size:28px;line-height:1;display:inline-block;margin-bottom:8px}.tile h3{margin:0 0 4px;font-size:18px}.tile p{margin:0;color:var(--ink-soft);font-size:14px}.diff-tile{padding:14px}.diff-tile .dots{display:flex;gap:4px;margin-top:8px}.diff-tile .dot{width:10px;height:10px;border-radius:50%;background:color-mix(in oklab,var(--ink) 16%,var(--paper))}.diff-tile .dot.on{background:var(--primary)}.game{display:grid;grid-template-rows:auto auto 1fr auto;gap:16px}.hud{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.hud .pill{background:var(--paper);border-radius:999px;padding:8px 14px;box-shadow:var(--shadow-1);font-weight:600;display:inline-flex;align-items:center;gap:8px}.hud .pill .label{color:var(--ink-soft);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}.hud .pill.streak{background:linear-gradient(135deg,#fff,#ffe4f0)}.hud .pill.score{background:linear-gradient(135deg,#fff,#e0f7f1)}.hud .pill.timer{background:linear-gradient(135deg,#fff,#fff3c4)}.hud .progress{flex:1;min-width:160px;height:10px;background:color-mix(in oklab,var(--primary) 14%,var(--paper));border-radius:999px;overflow:hidden;box-shadow:var(--shadow-1)}.hud .progress>div{height:100%;width:100%;transform-origin:left;transform:scaleX(var(--progress, 0));background:linear-gradient(90deg,var(--primary),var(--primary-2));transition:transform .25s}.mode-banner{display:flex;align-items:center;justify-content:center;gap:14px;text-align:left}.mode-banner-text{min-width:0}.mode-banner-title{font-size:18px;font-weight:600}.mode-banner-desc{color:var(--ink-soft);font-weight:600;font-size:14px}.question-card{background:var(--paper);border-radius:var(--radius-xl);padding:22px;box-shadow:var(--shadow-2);display:grid;gap:18px;grid-template-columns:1fr 1fr;align-items:center}@media (max-width: 760px){.question-card{grid-template-columns:1fr}}.q-prompt{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}.q-prompt .label{font-size:14px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.08em;font-weight:600}.q-prompt .big-time{font-size:clamp(40px,7vw,64px);font-weight:600;letter-spacing:1px;color:var(--primary)}@supports ((-webkit-background-clip: text) or (background-clip: text)){@media not (forced-colors: active){.q-prompt .big-time{background:linear-gradient(135deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent}}}.q-prompt .big-words{font-size:clamp(22px,3.5vw,32px);font-weight:600;text-align:center;color:var(--ink)}.math-prompt{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px 14px;font-size:clamp(36px,7vw,56px);font-weight:600;line-height:1.1;letter-spacing:.5px}.math-prompt .math-num{color:var(--primary)}.math-prompt .math-op{color:var(--ink-soft);font-weight:600}.math-prompt .math-op.op-mul,.math-prompt .math-op.op-div{color:var(--primary-2)}.math-prompt .math-op.op-eq{color:var(--ink)}.math-prompt .math-blank{display:inline-grid;place-items:center;min-width:1.6em;padding:0 .2em;border:3px solid var(--primary);color:var(--primary);background:color-mix(in oklab,var(--primary) 12%,transparent);border-radius:var(--radius-sm)}.choices.choices-math{grid-template-columns:1fr 1fr}@media (max-width: 480px){.choices.choices-math{grid-template-columns:1fr 1fr}}.choices.choices-math .choice{font-size:clamp(22px,5vw,28px);font-weight:600;padding:18px 14px}.magic-card{background:var(--paper);border-radius:var(--radius-xl);padding:24px 18px 18px;box-shadow:var(--shadow-2);display:flex;flex-direction:column;align-items:center;gap:18px}.magic-prompt{margin:0;text-align:center;font-size:clamp(15px,2.6vw,18px);color:var(--ink);max-width:36ch}.magic-target{color:var(--primary);font-weight:600;font-size:1.15em}.magic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:min(320px,100% - 16px);padding:6px;background:linear-gradient(135deg,color-mix(in oklab,var(--primary) 8%,var(--paper-soft)),color-mix(in oklab,var(--primary-2) 8%,var(--paper-soft)));border-radius:var(--radius-lg)}.magic-cell{aspect-ratio:1;border-radius:var(--radius-md);font-size:clamp(26px,6vw,34px);font-weight:600;color:var(--ink);cursor:pointer;display:grid;place-items:center;transition:transform .1s,border-color .15s,background .15s;background:var(--paper);border:3px dashed color-mix(in oklab,var(--ink-soft) 35%,transparent)}.magic-cell.locked{background:var(--paper);border:3px solid transparent;box-shadow:var(--shadow-1);cursor:default}.magic-cell.filled{background:var(--paper);border:3px solid var(--primary);box-shadow:var(--shadow-1);color:var(--primary)}.magic-cell.empty{background:transparent}.magic-cell.droppable{background:color-mix(in oklab,var(--primary) 10%,var(--paper));border-color:var(--primary);transform:scale(1.02)}.magic-cell.drag-over{background:color-mix(in oklab,var(--primary) 22%,var(--paper));border-color:var(--primary);border-style:solid;transform:scale(1.06)}.magic-cell:disabled{cursor:default}.magic-pool{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;width:min(360px,100% - 16px)}@media (max-width: 480px){.magic-pool{grid-template-columns:repeat(3,minmax(0,1fr))}}.magic-tile{aspect-ratio:1;background:var(--paper);border-radius:var(--radius-md);box-shadow:var(--shadow-1);font-size:clamp(20px,5vw,24px);font-weight:600;color:var(--ink);cursor:pointer;border:3px solid transparent;transition:transform .12s,border-color .15s,box-shadow .15s;-webkit-tap-highlight-color:transparent;touch-action:none}.magic-tile:active:not(:disabled){transform:translateY(1px)}.magic-tile.selected{border-color:var(--primary);transform:scale(1.08);box-shadow:0 14px 30px #1f11472e}.magic-tile:disabled{opacity:.5;cursor:default}.magic-tile.dragging{opacity:.35}.magic-tile.drag-ghost{position:fixed;z-index:1000;width:56px;height:56px;margin:0;transform:translate(-50%,-50%) scale(1.12);pointer-events:none;border-color:var(--primary);box-shadow:0 18px 36px #1f114747;display:grid;place-items:center}.magic-actions{display:flex;justify-content:center;margin-top:4px}.magic-game .hud .pill.streak{display:none}.magic-hero-preview{display:grid;place-items:center;gap:10px;padding:18px 20px 22px;background:linear-gradient(135deg,color-mix(in oklab,var(--accent) 14%,var(--paper)),color-mix(in oklab,var(--primary) 14%,var(--paper)));border-radius:var(--radius-xl);box-shadow:var(--shadow-1);width:min(240px,100%)}.magic-hero-grid{display:grid;grid-template-columns:repeat(3,56px);gap:6px}.magic-hero-grid>span{aspect-ratio:1;display:grid;place-items:center;font-size:22px;font-weight:600;color:var(--primary);background:var(--paper);border-radius:10px;box-shadow:0 2px 6px #1f114714}.magic-hero-caption{font-size:13px;color:var(--ink-soft);font-weight:600;text-transform:uppercase;letter-spacing:.08em}.cross-card{background:var(--paper);border-radius:var(--radius-xl);padding:24px 14px 18px;box-shadow:var(--shadow-2);display:flex;flex-direction:column;align-items:center;gap:18px}.cross-grid{display:grid;gap:3px;width:min(360px,100% - 8px);margin:0 auto;justify-items:stretch;align-items:stretch}.cross-cell{aspect-ratio:1;display:grid;place-items:center;border-radius:8px;font-size:clamp(13px,3.6vw,17px);font-weight:600;color:var(--ink);background:var(--paper);border:1.5px solid color-mix(in oklab,var(--ink-soft) 22%,transparent);cursor:default;-webkit-user-select:none;user-select:none;transition:transform .1s,border-color .15s,background .15s;min-width:0;padding:0}.cross-cell.num-cell.locked{background:var(--paper)}.cross-cell.num-cell.blank{background:color-mix(in oklab,var(--primary) 9%,var(--paper));border-color:color-mix(in oklab,var(--primary) 65%,transparent);cursor:pointer;color:var(--primary)}.cross-cell.num-cell.blank.selected{border-color:var(--primary);border-width:2.5px;background:color-mix(in oklab,var(--primary) 18%,var(--paper));transform:scale(1.05);box-shadow:0 10px 22px #1f11472e;z-index:1}.cross-cell.num-cell.blank.filled{color:var(--primary)}.cross-cell:disabled{opacity:1}.cross-cell.op-cell{color:var(--primary);font-weight:600}.cross-cell.eq-cell{color:var(--ink-soft);font-weight:600}.cross-game .hud .pill.streak,.cross-game .hud .pill.score,.cross-game .hud .progress{display:none}.cross-keypad{width:min(340px,100% - 12px);margin:0 auto}.cross-reveal{background:none;border:none;color:var(--ink-soft);font-size:14px;font-weight:600;padding:8px 12px;border-radius:999px;cursor:pointer;text-decoration:underline;text-underline-offset:4px;margin-top:-4px}.cross-reveal:hover{color:var(--primary)}.cross-hero-preview{display:grid;place-items:center;gap:10px;padding:18px 20px 22px;background:linear-gradient(135deg,color-mix(in oklab,var(--primary) 14%,var(--paper)),color-mix(in oklab,var(--accent) 14%,var(--paper)));border-radius:var(--radius-xl);box-shadow:var(--shadow-1);width:min(260px,100%)}.cross-hero-grid{display:grid;grid-template-columns:repeat(5,36px);grid-auto-rows:36px;gap:4px;--cell-blank: color-mix(in oklab, var(--primary) 20%, var(--paper))}.cross-hero-grid .cell{display:grid;place-items:center;background:var(--paper);border-radius:6px;font-size:15px;font-weight:600;color:var(--ink);border:1.5px solid color-mix(in oklab,var(--ink-soft) 20%,transparent)}.cross-hero-grid .cell.op{color:var(--primary-2);border-color:transparent}.cross-hero-grid .cell.eq{color:var(--ink-soft);border-color:transparent}.cross-hero-grid .cell.blank{background:var(--cell-blank);border:2px solid color-mix(in oklab,var(--primary) 60%,transparent)}.keypad{display:flex;flex-direction:column;gap:12px;width:100%;max-width:360px;margin:0 auto}.keypad-display{background:var(--paper-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:16px 18px;min-height:64px;font-size:36px;font-weight:600;color:var(--primary);text-align:center;letter-spacing:4px;display:flex;align-items:center;justify-content:center}.keypad-placeholder{color:var(--ink-soft);font-weight:600;font-size:15px;letter-spacing:0}.keypad-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.keypad-key{background:var(--paper);border-radius:var(--radius-md);box-shadow:var(--shadow-1);font-size:26px;font-weight:600;color:var(--ink);padding:18px 0;cursor:pointer;transition:transform .08s ease,box-shadow .12s ease,background .15s;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.keypad-key:active:not(:disabled){transform:translateY(1px);box-shadow:var(--shadow-1)}.keypad-key:disabled{opacity:.45;cursor:not-allowed}.keypad-key.keypad-back{background:linear-gradient(135deg,#fff,#ffe4e4);font-size:22px}.keypad-key.keypad-submit{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-size:28px}.keypad-key.keypad-submit:disabled{background:var(--paper);color:var(--ink)}.choices{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width: 480px){.choices{grid-template-columns:1fr}}.choice{background:var(--paper-soft);border-radius:var(--radius-lg);padding:14px 16px;font-weight:600;font-size:18px;box-shadow:var(--shadow-1);text-align:center;transition:transform .1s ease,background .15s;border:3px solid transparent}.choice:hover{transform:translateY(-2px)}.choice.correct{background:color-mix(in oklab,var(--good) 20%,var(--paper));border-color:var(--good)}.choice.wrong{background:color-mix(in oklab,var(--bad) 20%,var(--paper));border-color:var(--bad)}.choice.disabled{pointer-events:none;opacity:.8}.feedback{min-height:32px;margin-top:8px;text-align:center;font-size:22px;font-weight:600}.feedback.good,.feedback.bad{width:fit-content;max-width:90%;margin-left:auto;margin-right:auto;padding:8px 18px;border-radius:999px;background:color-mix(in oklab,var(--paper) 78%,transparent);backdrop-filter:blur(10px) saturate(120%);-webkit-backdrop-filter:blur(10px) saturate(120%);box-shadow:var(--shadow-1)}.feedback.good{color:var(--good)}.feedback.bad{color:var(--bad)}.footer-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.mascot{display:inline-block;font-size:56px;line-height:1;transform-origin:center bottom;animation:bob 3.2s ease-in-out infinite}.mascot.happy{animation:cheer .6s ease 1}.mascot.sad{animation:shake .5s ease 1}@keyframes bob{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes cheer{0%{transform:scale(1) rotate(0)}30%{transform:scale(1.25) rotate(-8deg)}60%{transform:scale(1.15) rotate(8deg)}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.confetti-piece{position:fixed;top:-10px;pointer-events:none;width:8px;height:14px;border-radius:2px;animation:fall 1.6s linear forwards;z-index:30}@keyframes fall{to{transform:translateY(110vh) rotate(720deg);opacity:.85}}.clock-wrap{display:flex;justify-content:center;align-items:center}.clock{width:min(100%,320px);height:auto;touch-action:none;-webkit-user-select:none;user-select:none}.clock .face{fill:#fff;stroke:var(--ink);stroke-width:4}.clock .bezel{fill:none;stroke:url(#bezelGradient);stroke-width:10}.clock .tick{stroke:var(--ink)}.clock .tick.major{stroke-width:3}.clock .tick.minor{stroke-width:1.5;opacity:.55}.clock .num{font-weight:600;font-size:16px;fill:var(--ink)}.clock .hand-hour{stroke:var(--ink);stroke-width:7;stroke-linecap:round}.clock .hand-min{stroke:var(--primary);stroke-width:5;stroke-linecap:round}.clock .hand-hour,.clock .hand-min{transform-box:view-box;transform-origin:100px 100px;transition:transform .16s ease-out}.clock.dragging .hand-hour,.clock.dragging .hand-min{transition:none}@media (prefers-reduced-motion: reduce){.clock .hand-hour,.clock .hand-min{transition:none}.bubble,.mascot,.mascot.happy,.mascot.sad,.themed-bg.theme-space:before,.confetti-piece{animation:none}.btn,.tile,.choice,.keypad-key,.daily-banner,.topic-card,.rich-select-options{transition:none}}.clock .pivot{fill:var(--primary-2)}.clock .pivot-ring{fill:#fff}.clock .handle{fill:transparent;cursor:grab}.clock .handle.dragging{cursor:grabbing}.clock.interactive .hand-hour,.clock.interactive .hand-min{cursor:grab}.clock .digital-helper{font-size:14px;fill:var(--ink-soft);font-weight:600}.set-instructions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;font-weight:600;color:var(--ink-soft)}.set-instructions .chip{background:var(--paper-soft);border-radius:999px;padding:6px 12px;box-shadow:var(--shadow-1)}.set-instructions .chip.hour{color:var(--ink)}.set-instructions .chip.min{color:var(--primary)}.set-actions{display:flex;gap:10px;justify-content:center;margin-top:10px}.leaderboard{overflow-x:auto}.leaderboard table{width:100%;border-collapse:collapse;font-weight:600;min-width:640px}.leaderboard-filters{margin-top:14px;display:flex;flex-direction:column;gap:10px}.topic-pills{display:flex;flex-wrap:wrap;gap:6px;padding:4px;background:var(--paper-soft);border-radius:999px;width:fit-content;max-width:100%}.topic-pill{border:none;background:transparent;border-radius:999px;padding:7px 14px;font-weight:700;font-size:13px;color:var(--ink-soft);cursor:pointer;transition:background .15s,color .15s;white-space:nowrap}.topic-pill.active{background:var(--paper);color:var(--ink);box-shadow:var(--shadow-1)}.leaderboard-mode-select{padding:8px 12px;border-radius:12px;border:2px solid #e5e7eb;background:var(--paper-soft);font-weight:600;width:100%}.leaderboard-selects{display:flex;flex-wrap:wrap;gap:10px}.leaderboard-scope-field{display:flex;flex-direction:column;gap:4px;min-width:140px;flex:1 1 140px}.leaderboard-scope-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft)}.leaderboard th,.leaderboard td{text-align:left;padding:10px 12px;border-bottom:1px solid #f1ecff}.leaderboard th{color:var(--ink-soft);font-size:13px;text-transform:uppercase;letter-spacing:.04em}.leaderboard tr.you td{background:#faf5ff}.leaderboard .medal{font-size:18px}.result{text-align:center;padding:12px 8px 4px}.result h2{font-size:36px;margin:6px 0 4px}.result .summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;max-width:640px;margin:18px auto}.result .summary .stat{background:var(--paper-soft);padding:14px 12px;border-radius:var(--radius-lg);box-shadow:var(--shadow-1);min-width:0;text-align:center}.result .summary .stat .num{font-size:30px;font-weight:600;color:var(--primary)}.result .summary .stat .lbl{color:var(--ink-soft);font-weight:600}@media (max-width: 640px){.result .summary{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.result .summary .stat{padding:12px 8px}.result .summary .stat .num{font-size:26px}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#140a3273;display:grid;place-items:center;z-index:50}.modal{background:var(--paper);border-radius:var(--radius-xl);padding:22px;width:min(820px,92vw);max-height:92vh;overflow-y:auto;box-shadow:var(--shadow-2)}.modal h3{margin:0 0 10px}.modal input{width:100%;padding:12px 14px;border-radius:var(--radius-md);border:2px solid color-mix(in oklab,var(--ink-soft) 22%,var(--paper));background:var(--paper-soft);font-size:16px;font-weight:600}.modal input:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-color:var(--primary)}.confirm-modal{width:min(440px,92vw);padding:26px 24px 22px;text-align:center}.confirm-modal .confirm-title{margin:0 0 8px;font-size:24px}.confirm-modal .confirm-message{margin:0 auto 20px;max-width:36ch;color:var(--ink-soft);line-height:1.4}.confirm-modal .confirm-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.confirm-modal .confirm-actions .btn{flex:1 1 auto;min-width:130px}.foot{position:relative;z-index:5;margin-top:auto;padding:16px 18px calc(16px + env(safe-area-inset-bottom));text-align:center;color:var(--ink);font-size:13px;background:color-mix(in oklab,var(--paper) 90%,transparent);border-top:1px solid color-mix(in oklab,var(--ink-soft) 14%,transparent);backdrop-filter:blur(12px) saturate(120%);-webkit-backdrop-filter:blur(12px) saturate(120%)}.foot .foot-copy{margin-top:4px;font-size:12px;color:var(--ink-soft)}.foot .foot-copy a{color:var(--primary);text-decoration:none;font-weight:600}.foot .foot-copy a:hover{text-decoration:underline}[data-theme=candy]{--bg-1: #fde68a;--bg-2: #fca5a5;--bg-3: #a5b4fc;--bg-4: #6ee7b7;--ink: #1f1147;--ink-soft: #4c3a8a;--paper: #ffffff;--paper-soft: #fff7ed;--primary: #7c3aed;--primary-2: #ec4899;--accent: #14b8a6;--page: #fffaf2}[data-theme=ocean]{--bg-1: #bae6fd;--bg-2: #67e8f9;--bg-3: #93c5fd;--bg-4: #fef3c7;--ink: #0c2a4d;--ink-soft: #1d4e89;--paper: #ffffff;--paper-soft: #f0f9ff;--primary: #0369a1;--primary-2: #0891b2;--accent: #f97316;--page: #ecfeff}[data-theme=jungle]{--bg-1: #bbf7d0;--bg-2: #fed7aa;--bg-3: #fef08a;--bg-4: #86efac;--ink: #1a2e05;--ink-soft: #3f6212;--paper: #ffffff;--paper-soft: #f7fee7;--primary: #15803d;--primary-2: #ea580c;--accent: #ca8a04;--page: #f7fee7}[data-theme=princess]{--bg-1: #fbcfe8;--bg-2: #ddd6fe;--bg-3: #fef9c3;--bg-4: #fed7aa;--ink: #581c87;--ink-soft: #a21caf;--paper: #ffffff;--paper-soft: #fdf2f8;--primary: #db2777;--primary-2: #a855f7;--accent: #facc15;--page: #fdf2f8}[data-theme=space]{--bg-1: rgba(99,102,241,.45);--bg-2: rgba(168,85,247,.45);--bg-3: rgba(236,72,153,.4);--bg-4: rgba(34,211,238,.35);--ink: #f1f5f9;--ink-soft: #cbd5e1;--paper: #1e293b;--paper-soft: #0f172a;--primary: #a78bfa;--primary-2: #f472b6;--accent: #22d3ee;--page: #0b1027;--shadow-1: 0 10px 30px rgba(0, 0, 0, .5), 0 2px 6px rgba(0, 0, 0, .3);--shadow-2: 0 18px 50px rgba(0, 0, 0, .55), 0 6px 16px rgba(0, 0, 0, .35)}[data-theme=space] .clock .face{fill:#0f172a;stroke:#a78bfa}[data-theme=space] .clock .tick{stroke:#cbd5e1}[data-theme=space] .clock .num{fill:#e2e8f0}[data-theme=space] .clock .hand-hour{stroke:#f1f5f9}[data-theme=space] .hud .pill.streak{background:linear-gradient(135deg,#1e293b,#4c1d95)}[data-theme=space] .hud .pill.score{background:linear-gradient(135deg,#1e293b,#0e7490)}[data-theme=space] .hud .pill.timer{background:linear-gradient(135deg,#1e293b,#b45309)}[data-theme=space] .modal input,[data-theme=space] .leaderboard select{background:#0f172a;color:#f1f5f9;border-color:#334155}[data-theme=space] .leaderboard tr.you td{background:#1e1b4b}[data-theme=space] .leaderboard th,[data-theme=space] .leaderboard td{border-bottom-color:#334155}[data-theme=unicorn]{--bg-1: #fce7f3;--bg-2: #ddd6fe;--bg-3: #c7d2fe;--bg-4: #bae6fd;--ink: #4a044e;--ink-soft: #86198f;--paper: #ffffff;--paper-soft: #fdf4ff;--primary: #c026d3;--primary-2: #6366f1;--accent: #f59e0b;--page: #fdf4ff}[data-theme=dino]{--bg-1: #d9f99d;--bg-2: #fde68a;--bg-3: #fed7aa;--bg-4: #a7f3d0;--ink: #14532d;--ink-soft: #4d7c0f;--paper: #ffffff;--paper-soft: #f7fee7;--primary: #166534;--primary-2: #b45309;--accent: #dc2626;--page: #f0fdf4}[data-theme=superhero]{--bg-1: #fef08a;--bg-2: #fca5a5;--bg-3: #93c5fd;--bg-4: #fdba74;--ink: #1e3a8a;--ink-soft: #1e40af;--paper: #ffffff;--paper-soft: #eff6ff;--primary: #dc2626;--primary-2: #2563eb;--accent: #facc15;--page: #fffbeb}[data-theme=ice]{--bg-1: #dbeafe;--bg-2: #cffafe;--bg-3: #e0e7ff;--bg-4: #d1fae5;--ink: #0c4a6e;--ink-soft: #155e75;--paper: #ffffff;--paper-soft: #f0f9ff;--primary: #2563eb;--primary-2: #06b6d4;--accent: #a78bfa;--page: #f0f9ff}[data-theme=pirate]{--bg-1: #fde68a;--bg-2: #fdba74;--bg-3: #14b8a6;--bg-4: #f59e0b;--ink: #422006;--ink-soft: #78350f;--paper: #fffbeb;--paper-soft: #fef3c7;--primary: #78350f;--primary-2: #f59e0b;--accent: #dc2626;--page: #fef3c7}.theme-picker-wrap{position:relative;display:inline-flex;align-items:center}.theme-toggle{display:inline-flex;align-items:center;gap:8px;background:var(--paper);color:var(--ink);border-radius:999px;padding:6px 12px;font-weight:600;font-size:14px;box-shadow:var(--shadow-1);cursor:pointer;white-space:nowrap;line-height:1}.icon-btn,.sound-toggle,.info-btn{display:inline-grid;place-items:center;width:36px;height:36px;background:var(--paper);border-radius:999px;box-shadow:var(--shadow-1);cursor:pointer;font-size:18px;line-height:1;border:none}.icon-btn:active{transform:scale(.96)}@media (pointer: coarse){.icon-btn,.sound-toggle,.info-btn{min-width:44px;min-height:44px}.btn.small,.player-chip,.theme-toggle,.day-streak-badge{min-height:44px}}.sound-toggle[aria-pressed=false]{opacity:.7}.info-btn{font-family:Georgia,Times New Roman,serif;font-style:italic;font-weight:700;color:var(--primary)}.theme-toggle .swatch{width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-2));border:2px solid #fff;box-shadow:0 0 0 1px #0000000f;flex-shrink:0}.theme-toggle .arrow{opacity:.55;font-size:11px}.theme-popover{position:absolute;top:calc(100% + 8px);right:0;left:auto;z-index:40;width:420px;max-width:calc(100vw - 24px);background:var(--paper);color:var(--ink);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-2);box-sizing:border-box}.theme-popover h4{margin:0 0 12px;font-size:12px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.08em;font-weight:600}.theme-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;box-sizing:border-box}.theme-card{display:flex;align-items:center;gap:10px;padding:12px;border-radius:var(--radius-md);background:var(--paper-soft);color:var(--ink);font-weight:600;font-size:15px;text-align:left;border:2px solid transparent;transition:transform .1s,border-color .15s,background .15s;cursor:pointer;min-width:0;overflow:hidden;line-height:1.1}.theme-card:hover{transform:translateY(-1px)}.theme-card.active{border-color:var(--primary);background:var(--paper)}.theme-card .emoji{font-size:22px;flex-shrink:0;line-height:1}.theme-card .name{flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.theme-card .swatches{display:inline-flex;flex-shrink:0}.theme-card .sw{width:13px;height:13px;border-radius:50%;border:1.5px solid #fff;box-shadow:0 0 0 1px #0000000f;margin-left:-3px}.theme-card .sw:first-child{margin-left:0}.theme-popover:before{content:"";display:none}@media (max-width: 640px){.theme-popover{position:fixed;top:auto;bottom:max(16px,env(safe-area-inset-bottom));left:12px;right:12px;width:auto;max-width:none;max-height:75vh;overflow-y:auto;padding:18px}.theme-popover:before{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#140a3259;z-index:-1}.theme-grid{gap:10px}.theme-card{padding:14px 12px;font-size:15px;gap:8px}.theme-card .emoji{font-size:24px}.theme-card .swatches{display:none}}.topbar-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.day-streak-badge{display:inline-flex;align-items:center;gap:4px;height:36px;padding:0 12px;border:none;border-radius:999px;font-size:15px;font-weight:700;line-height:1;color:var(--ink);cursor:pointer;background:linear-gradient(135deg,color-mix(in oklab,#ff8a00 28%,var(--paper)),color-mix(in oklab,#ff3d3d 22%,var(--paper)));box-shadow:var(--shadow-1)}.day-streak-badge:active{transform:scale(.96)}@media (max-width: 760px){.hud{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-areas:"score streak timer" "progress progress progress" "round round quit";gap:10px;align-items:center}.hud .pill.score{grid-area:score}.hud .pill.streak{grid-area:streak}.hud .pill.timer{grid-area:timer}.hud .progress{grid-area:progress;width:100%;min-width:0}.hud .pill.round{grid-area:round;justify-content:center}.hud .hud-quit{grid-area:quit;justify-self:end;padding:8px 18px}.hud .pill{width:100%;justify-content:center}}@media (max-width: 640px){.topbar{padding:12px 14px;gap:8px;justify-content:center}.brand{font-size:18px;gap:8px;flex:1 1 auto}.brand .logo{width:42px;height:42px;font-size:18px;border-radius:12px}.brand small{font-size:11px}.topbar-right{gap:6px}.icon-btn{width:32px;height:32px;font-size:16px}.day-streak-badge{height:32px;padding:0 9px;font-size:13px}.player-chip{padding:4px 10px 4px 4px;font-size:13px;gap:6px}.player-chip .avatar{width:34px;height:34px;font-size:12px}.container{width:min(1000px,100% - 16px);padding:6px 0 40px}.card{padding:18px;border-radius:22px}.question-card{padding:16px;gap:14px}.hud{gap:8px}.hud .pill{padding:6px 8px;font-size:13px;gap:4px}.hud .pill .label{font-size:10px}.mode-banner{gap:10px}.mascot{font-size:44px}.mode-banner-title{font-size:16px}.mode-banner-desc{font-size:13px}.q-prompt .big-time{font-size:clamp(36px,12vw,56px)}.q-prompt .big-words{font-size:clamp(20px,6vw,28px)}.set-actions{flex-wrap:wrap}.set-actions .btn{flex:1 1 140px}}@media (max-width: 360px){.brand small,.player-chip .chip-name{display:none}}.player-modal .player-modal-body{display:grid;grid-template-columns:220px minmax(0,1fr);gap:22px;align-items:start}@media (max-width: 640px){.player-modal .player-modal-body{grid-template-columns:1fr;gap:16px}}.player-modal-left{display:flex;flex-direction:column;gap:12px;align-items:center;text-align:center}.player-modal-left input{width:100%}.avatar-preview{width:180px;height:180px;border-radius:50%;overflow:hidden;background:var(--paper-soft);border:4px solid var(--paper);box-shadow:var(--shadow-2),0 0 0 4px color-mix(in oklab,var(--primary) 35%,transparent);display:grid;place-items:center;font-size:64px;color:var(--ink-soft)}.avatar-preview img{width:100%;height:100%;object-fit:cover;display:block}.avatar-preview-name{font-weight:600;font-size:16px;color:var(--ink);word-break:break-word}@media (max-width: 640px){.avatar-preview{width:130px;height:130px;font-size:48px}}.player-modal-right{min-width:0;display:flex;flex-direction:column;gap:8px}.player-modal-right .avatar-grid{max-height:56vh;overflow-y:auto;padding-right:4px}.avatar-picker-label{font-size:12px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.08em;font-weight:600;margin-bottom:8px}.avatar-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(54px,1fr));gap:8px}.avatar-option{display:grid;place-items:center;aspect-ratio:1 / 1;border-radius:50%;border:2px solid transparent;background:var(--paper-soft);font-size:22px;line-height:1;cursor:pointer;overflow:hidden;padding:0;transition:transform .1s,border-color .15s,background .15s,box-shadow .15s}.avatar-option img{width:100%;height:100%;object-fit:cover;display:block}.avatar-option:hover{transform:translateY(-1px)}.avatar-option.active{border-color:var(--primary);background:var(--paper);box-shadow:0 0 0 3px color-mix(in oklab,var(--primary) 25%,transparent)}@media (max-width: 480px){.avatar-grid{grid-template-columns:repeat(auto-fit,minmax(46px,1fr))}}.settings-page .settings-title{margin:8px 0 6px;font-size:28px}.settings-page .settings-lede{color:var(--ink-soft);margin:0 0 18px}.settings-section{margin-top:22px}.settings-section h2{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);font-weight:700;margin:0 0 10px}.settings-toggle{display:flex;align-items:center;gap:14px;width:100%;background:var(--paper-soft);border:2px solid transparent;border-radius:var(--radius-lg);padding:14px 16px;cursor:pointer;text-align:left;transition:border-color .15s,background .15s}.settings-toggle.on{border-color:var(--primary);background:var(--paper)}.settings-toggle-icon{font-size:28px;line-height:1;width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:var(--paper);box-shadow:var(--shadow-1);flex-shrink:0}.settings-toggle.on .settings-toggle-icon{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff}.settings-toggle-text{display:flex;flex-direction:column;gap:2px}.settings-toggle-text strong{font-size:16px}.settings-toggle-text small{color:var(--ink-soft);font-size:13px}.settings-theme-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}@media (min-width: 720px){.settings-theme-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.settings-link{display:flex;align-items:center;justify-content:space-between;width:100%;background:var(--paper-soft);border:none;border-radius:var(--radius-lg);padding:14px 18px;font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;transition:background .15s}.settings-link+.settings-link{margin-top:8px}.settings-link:hover{background:var(--paper)}.settings-link span:last-child{color:var(--ink-soft);font-size:22px;line-height:1}.settings-link.danger{background:color-mix(in oklab,var(--bad) 8%,var(--paper-soft));color:var(--bad);border:3px solid var(--bad)}.settings-link.danger:hover{background:color-mix(in oklab,var(--bad) 14%,var(--paper-soft))}.settings-link.danger span:last-child{color:var(--bad)}.settings-hint{margin:8px 6px 0;color:var(--ink-soft);font-size:13px;line-height:1.4}.settings-account-card{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;background:var(--paper-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-1)}.settings-account-id{display:flex;align-items:center;gap:12px;min-width:0}.settings-account-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;flex-shrink:0}.settings-account-text{display:flex;flex-direction:column;min-width:0}.settings-account-text strong{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.settings-account-text small{color:var(--ink-soft);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.settings-account-actions{width:100%}.settings-auth-buttons{display:flex;flex-wrap:wrap;gap:10px}.settings-auth-buttons .btn{flex:1 1 200px}.settings-auth-error{margin:10px 0 0;color:var(--bad);font-size:13px}html:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:-1;opacity:0;background-repeat:repeat;background-position:0 0;transition:opacity .4s ease}html[data-bg=off]:before{opacity:0;background:none}html[data-bg=dots]:before{opacity:.06;background-image:radial-gradient(circle,#be185d 1.2px,transparent 1.6px);background-size:22px 22px}html[data-bg=ripple]:before{opacity:.05;background-image:repeating-linear-gradient(0deg,transparent 0 18px,rgba(2,132,199,.5) 18px 19px,transparent 19px 36px)}html[data-bg=leaves]:before{opacity:.05;background-image:repeating-linear-gradient(45deg,transparent 0 20px,rgba(22,101,52,.45) 20px 21px,transparent 21px 42px)}html[data-bg=damask]:before{opacity:.05;background-image:repeating-conic-gradient(from 45deg,rgba(168,85,247,.55) 0deg 6deg,transparent 6deg 90deg);background-size:40px 40px}html[data-bg=starfield]:before{opacity:.35;background-color:transparent;background-image:radial-gradient(1px 1px at 12% 18%,#f8fafc 50%,transparent 51%),radial-gradient(1px 1px at 38% 64%,#c7d2fe 50%,transparent 51%),radial-gradient(1px 1px at 71% 22%,#e9d5ff 50%,transparent 51%),radial-gradient(1px 1px at 84% 78%,#fbcfe8 50%,transparent 51%),radial-gradient(1px 1px at 25% 90%,#93c5fd 50%,transparent 51%),radial-gradient(1px 1px at 56% 8%,#fde68a 50%,transparent 51%);background-size:480px 320px}html[data-bg=clouds]:before{opacity:.05;background-image:repeating-radial-gradient(circle at 25% 50%,rgba(168,85,247,.6) 0 2px,transparent 2px 30px);background-size:80px 80px}html[data-bg=earth]:before{opacity:.06;background-image:repeating-linear-gradient(135deg,transparent 0 8px,rgba(120,53,15,.5) 8px 9px,transparent 9px 18px),repeating-linear-gradient(45deg,transparent 0 12px,rgba(120,53,15,.35) 12px 13px,transparent 13px 26px)}html[data-bg=halftone]:before{opacity:.04;background-image:radial-gradient(circle,#ef4444 1.6px,transparent 2px);background-size:14px 14px}html[data-bg=snow]:before{opacity:.35;background-color:transparent;background-image:radial-gradient(1.5px 1.5px at 18% 26%,#ffffff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 42% 72%,#ffffff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 66% 12%,#ffffff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 88% 58%,#ffffff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 30% 92%,#ffffff 50%,transparent 51%);background-size:360px 240px}html[data-bg=parchment]:before{opacity:.06;background-image:repeating-linear-gradient(0deg,transparent 0 3px,rgba(120,53,15,.4) 3px 4px,transparent 4px 7px),repeating-linear-gradient(90deg,transparent 0 3px,rgba(120,53,15,.3) 3px 4px,transparent 4px 7px)}@media (prefers-reduced-motion: no-preference){html:not([data-bg=off]):before{animation:bg-pattern-drift 60s linear infinite}}@keyframes bg-pattern-drift{0%{background-position:0 0}to{background-position:80px 80px}}html[data-control=candy] .keypad-key,html[data-control=candy] .magic-tile,html[data-control=candy] .magic-cell.filled{background:radial-gradient(circle at 30% 25%,#fff,#fde68a 65%,#fca5a5);color:#7a1734;box-shadow:0 6px #be185d40,0 1px #fff inset;border:2px solid #fbcfe8}html[data-control=glass] .keypad-key,html[data-control=glass] .magic-tile,html[data-control=glass] .magic-cell.filled{background:linear-gradient(135deg,#bae6fdd9,#7dd3fc99);color:#0c4a6e;border:2px solid rgba(255,255,255,.7);box-shadow:0 6px 16px #0284c740,inset 0 1px #fff9}html[data-control=leaf] .keypad-key,html[data-control=leaf] .magic-tile,html[data-control=leaf] .magic-cell.filled{background:linear-gradient(135deg,#bbf7d0,#86efac);color:#14532d;border-radius:22px 8px;border:2px solid #166534;box-shadow:0 4px #14532d59}html[data-control=satin] .keypad-key,html[data-control=satin] .magic-tile,html[data-control=satin] .magic-cell.filled{background:linear-gradient(160deg,#fce7f3,#fbcfe8 60%,#f9a8d4);color:#831843;border:2px solid #fcd34d;box-shadow:0 6px #be185d38,inset 0 1px #fff}html[data-control=holo] .keypad-key,html[data-control=holo] .magic-tile,html[data-control=holo] .magic-cell.filled{background:linear-gradient(135deg,#312e81,#6d28d9 45%,#be185d);color:#f5f3ff;border:2px solid #a78bfa;box-shadow:0 0 14px #a78bfa8c,inset 0 0 10px #f472b659}html[data-control=pastel] .keypad-key,html[data-control=pastel] .magic-tile,html[data-control=pastel] .magic-cell.filled{background:linear-gradient(135deg,#fce7f3,#c7d2fe 50%,#bae6fd);color:#4c1d95;border:2px solid #fff;box-shadow:0 6px #818cf840}html[data-control=stone] .keypad-key,html[data-control=stone] .magic-tile,html[data-control=stone] .magic-cell.filled{background:linear-gradient(135deg,#a8a29e,#78716c);color:#fef3c7;border-radius:18px 14px 22px 10px;border:2px solid #44403c;box-shadow:0 4px #1c191766}html[data-control=comic] .keypad-key,html[data-control=comic] .magic-tile,html[data-control=comic] .magic-cell.filled{background:#fef08a;color:#1f1147;border:3px solid #1f1147;box-shadow:4px 4px #1f1147;border-radius:14px}html[data-control=ice] .keypad-key,html[data-control=ice] .magic-tile,html[data-control=ice] .magic-cell.filled{background:linear-gradient(135deg,#fffffff2,#cffafe 55%,#a5f3fc);color:#0c4a6e;border:2px solid #e0f2fe;box-shadow:0 6px 14px #38bdf84d,inset 0 1px #fff}html[data-control=wood] .keypad-key,html[data-control=wood] .magic-tile,html[data-control=wood] .magic-cell.filled{background:linear-gradient(180deg,#c08552,#8b5a2b);color:#fff8e8;border:2px solid #5b3a1a;box-shadow:0 4px #5b3a1a8c,inset 0 1px #ffffff2e}.clock-hands-lollipop .hand-hour{stroke:#be185d}.clock-hands-lollipop .hand-min{stroke:#f97316}.clock-hands-lollipop .pivot{fill:#fde68a}.clock-hands-seaweed .hand-hour{stroke:#0f766e}.clock-hands-seaweed .hand-min{stroke:#14b8a6}.clock-hands-seaweed .pivot{fill:#fef3c7}.clock-hands-bamboo .hand-hour{stroke:#166534}.clock-hands-bamboo .hand-min{stroke:#84cc16}.clock-hands-bamboo .pivot{fill:#fde68a}.clock-hands-rose .hand-hour{stroke:#9d174d}.clock-hands-rose .hand-min{stroke:#db2777}.clock-hands-rose .pivot{fill:#fcd34d}.clock-hands-comet .hand-hour{stroke:#f5f3ff;stroke-width:8}.clock-hands-comet .hand-min{stroke:#f472b6;stroke-width:6}.clock-hands-comet .pivot{fill:#a78bfa}.clock-hands-wand .hand-hour{stroke:#c026d3}.clock-hands-wand .hand-min{stroke:#f472b6}.clock-hands-wand .pivot{fill:#fef9c3}.clock-hands-bone .hand-hour{stroke:#44403c}.clock-hands-bone .hand-min{stroke:#78716c}.clock-hands-bone .pivot{fill:#fef3c7}.clock-hands-bolt .hand-hour{stroke:#1d4ed8;stroke-width:8}.clock-hands-bolt .hand-min{stroke:#f59e0b;stroke-width:6}.clock-hands-bolt .pivot{fill:#fef08a}.clock-hands-icicle .hand-hour{stroke:#0c4a6e}.clock-hands-icicle .hand-min{stroke:#38bdf8}.clock-hands-icicle .pivot{fill:#e0f2fe}.clock-hands-sword .hand-hour{stroke:#44403c;stroke-width:8}.clock-hands-sword .hand-min{stroke:#d97706;stroke-width:5}.clock-hands-sword .pivot{fill:#fcd34d}.daily-page{padding:24px}.daily-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:8px 0 24px}.daily-header h1{margin:0 0 4px;font-size:clamp(22px,4vw,32px)}.daily-header p{margin:0;color:var(--ink-soft);font-size:15px}.daily-header-text{flex:1}.daily-progress{text-align:center;min-width:96px;padding:10px 16px;border-radius:var(--radius-lg);background:var(--paper-soft);box-shadow:var(--shadow-1)}.daily-progress-num{font-size:28px;font-weight:700;color:var(--primary);line-height:1}.daily-progress-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);margin-top:4px}.daily-cards{display:grid;gap:14px}.daily-card{display:flex;align-items:center;gap:16px;width:100%;padding:18px 20px;background:var(--paper);border-radius:var(--radius-xl);border:3px solid transparent;box-shadow:var(--shadow-1);text-align:left;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,border-color .15s}.daily-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}.daily-card.done{border-color:color-mix(in oklab,var(--good) 60%,transparent);background:color-mix(in oklab,var(--good) 8%,var(--paper))}.daily-card-emoji{font-size:40px;line-height:1;flex-shrink:0}.daily-card-body{flex:1}.daily-card-body h3{margin:0 0 4px;font-size:18px}.daily-card-body p{margin:0;color:var(--ink-soft);font-size:14px}.daily-card-state{font-size:26px;color:var(--primary);line-height:1}.daily-card.done .daily-card-state{color:var(--good)}.daily-celebrate{margin-top:18px;padding:14px 18px;border-radius:var(--radius-lg);background:linear-gradient(135deg,color-mix(in oklab,var(--good) 22%,var(--paper)),color-mix(in oklab,var(--accent) 22%,var(--paper)));font-weight:600;text-align:center}.daily-card[disabled],.daily-card[aria-disabled=true]{cursor:default;opacity:.85}.daily-card[disabled]:hover,.daily-card[aria-disabled=true]:hover{transform:none;box-shadow:var(--shadow-1)}.daily-result-banner{margin:16px auto 0;max-width:540px;padding:12px 18px;border-radius:var(--radius-lg);background:linear-gradient(135deg,color-mix(in oklab,var(--primary) 18%,var(--paper)),color-mix(in oklab,var(--primary-2) 18%,var(--paper)));font-weight:600;text-align:center;display:flex;flex-direction:column;gap:4px}.daily-result-total{font-size:14px;color:var(--ink-soft)}.daily-result-total strong{color:var(--ink);font-size:16px}.daily-totals{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;margin:0 0 18px;border-radius:var(--radius-lg);background:linear-gradient(135deg,color-mix(in oklab,var(--accent) 14%,var(--paper-soft)),color-mix(in oklab,var(--primary) 14%,var(--paper-soft)));box-shadow:var(--shadow-1)}.daily-totals-total{display:flex;flex-direction:column;align-items:flex-start;gap:2px}.daily-totals-num{font-size:30px;font-weight:700;color:var(--primary);line-height:1}.daily-totals-lbl{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft)}.daily-totals-split{display:flex;flex-wrap:wrap;gap:10px}.daily-totals-cell{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:56px;padding:6px 10px;border-radius:var(--radius-md);background:var(--paper);box-shadow:var(--shadow-1)}.daily-totals-cell.empty{background:color-mix(in oklab,var(--ink-soft) 6%,var(--paper))}.daily-totals-cell-emoji{font-size:20px;line-height:1}.daily-totals-cell-val{font-weight:700;color:var(--ink)}.daily-totals-cell.empty .daily-totals-cell-val{color:var(--ink-soft)}@media (max-width: 480px){.daily-totals{flex-direction:column;align-items:flex-start}.daily-totals-split{width:100%;justify-content:space-between}.daily-totals-cell{flex:1 1 56px}}.welcome{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:grid;place-items:center;padding:max(20px,env(safe-area-inset-top)) 16px max(20px,env(safe-area-inset-bottom));overflow-y:auto;background:color-mix(in oklab,var(--page) 90%,transparent)}.welcome-panel{width:min(560px,calc(100vw - 32px));margin:auto;background:var(--paper);border-radius:var(--radius-xl);box-shadow:var(--shadow-2);padding:clamp(20px,4vw,32px)}.welcome-steps{display:flex;justify-content:center;gap:8px;margin:0 0 18px;padding:0;list-style:none}.welcome-dot{width:8px;height:8px;border-radius:999px;background:color-mix(in oklab,var(--ink) 18%,var(--paper));transition:background .25s ease}.welcome-dot.done{background:color-mix(in oklab,var(--primary) 55%,var(--paper))}.welcome-dot.current{width:24px;background:var(--primary)}.welcome-head{text-align:center;margin-bottom:18px}.welcome-mascot{font-size:56px;display:inline-block}.welcome-title{margin:6px 0 4px;font-size:clamp(24px,5vw,32px);font-weight:600;text-wrap:balance}.welcome-title:focus{outline:none}.welcome-sub{max-width:42ch;margin:0 auto;color:var(--ink-soft);font-size:15px;font-weight:500;line-height:1.4;text-wrap:pretty}.welcome-panel{animation:welcome-panel-in .5s cubic-bezier(.16,1,.3,1) both}@keyframes welcome-panel-in{0%{opacity:.4;transform:translateY(16px) scale(.95)}to{opacity:1;transform:none}}.welcome-body[data-dir=fwd]{animation:welcome-step-fwd .28s cubic-bezier(.16,1,.3,1)}.welcome-body[data-dir=back]{animation:welcome-step-back .28s cubic-bezier(.16,1,.3,1)}@keyframes welcome-step-fwd{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:none}}@keyframes welcome-step-back{0%{opacity:0;transform:translate(-24px)}to{opacity:1;transform:none}}.welcome .avatar-preview{animation:welcome-pop .3s cubic-bezier(.16,1,.3,1)}@keyframes welcome-pop{0%{transform:scale(.85)}to{transform:scale(1)}}.welcome-mascot{animation:welcome-pop-in .5s cubic-bezier(.16,1,.3,1),bob 3.2s ease-in-out .5s infinite}@keyframes welcome-pop-in{0%{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}.welcome .theme-card:active,.welcome .avatar-option:active{transform:scale(.95)}.welcome-worlds{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:22px}.welcome-buddy{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:16px}.welcome-buddy .avatar-preview{width:132px;height:132px;font-size:52px}.welcome-name-label{font-size:13px;font-weight:600;color:var(--ink-soft)}.welcome-name{width:min(280px,100%);padding:12px 14px;border-radius:var(--radius-md);border:2px solid color-mix(in oklab,var(--ink-soft) 22%,var(--paper));background:var(--paper-soft);color:var(--ink);font-size:16px;font-weight:600;text-align:center}.welcome-name::placeholder{color:var(--ink-soft)}.welcome-name-field{display:flex;flex-direction:column;align-items:center;gap:6px}.welcome-buddies{max-height:38vh;overflow-y:auto;padding:2px;margin-bottom:22px}.welcome-recap{display:flex;flex-direction:column;align-items:center;gap:14px;margin-bottom:24px}.welcome-recap .avatar-preview{width:148px;height:148px;font-size:56px}.welcome-recap-world{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:var(--paper-soft);box-shadow:var(--shadow-1);font-weight:600;font-size:16px}.welcome-recap-emoji{font-size:22px;line-height:1}.welcome-actions{display:flex;justify-content:space-between;gap:10px}.welcome-actions-end{justify-content:flex-end}.welcome-actions .btn{min-width:112px}.welcome-start{flex:1}.welcome-auth-buttons{display:flex;flex-direction:column;gap:10px;margin:4px 0 0}.welcome-auth-buttons .btn{width:100%}.welcome-auth-error{text-align:center}.welcome-auth .welcome-actions{margin-top:16px}.welcome-guest{color:var(--ink)}.welcome-auth-loading{text-align:center;margin:18px 0 6px;font-weight:600;color:var(--muted, #6b7280)}.welcome-auth-retry{text-align:center}.welcome-auth-retry .welcome-auth-buttons{margin-top:12px}@media (max-width: 480px){.welcome-actions .btn{min-width:0;flex:1}}@media (prefers-reduced-motion: reduce){.welcome,.welcome-panel,.welcome-body,.welcome-mascot,.welcome .avatar-preview{animation:none}.welcome .theme-card:active,.welcome .avatar-option:active{transform:none}}:root{--font: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;--font-display: "Fredoka", "Outfit", system-ui, sans-serif;--glass-surface: color-mix(in srgb, var(--paper) 76%, transparent);--glass-chrome: color-mix(in srgb, var(--paper) 70%, transparent);--glass-border: rgba(255, 255, 255, .82);--glass-inner: rgba(255, 255, 255, .7);--surface-quiet: color-mix(in srgb, var(--paper) 94%, var(--page));--stroke-quiet: color-mix(in srgb, var(--ink) 10%, transparent);--shadow-1: 0 3px 10px rgba(31, 35, 74, .045);--shadow-2: 0 12px 36px rgba(31, 35, 74, .065);--motion-quick: .14s;--motion-settle: .24s;--ease-settle: cubic-bezier(.22, 1, .36, 1);--action-fill: var(--primary);--action-ink: #fff;--danger-fill: var(--bad);--danger-ink: #fff}html[data-theme=space]{--glass-surface: rgba(25, 34, 59, .86);--glass-chrome: rgba(20, 28, 49, .8);--glass-border: rgba(203, 213, 255, .18);--glass-inner: rgba(203, 213, 255, .08);--surface-quiet: #19243b;--stroke-quiet: rgba(203, 213, 255, .2);--shadow-1: 0 3px 12px rgba(0, 0, 0, .12);--shadow-2: 0 16px 40px rgba(0, 0, 0, .22);--action-fill: #b6a0ff;--action-ink: #17152d;--bad: #ff99a4;--good: #6ee7b7;--warn: #fbbf24;--danger-fill: #ff99a4;--danger-ink: #291321}body{background:radial-gradient(ellipse at 3% 6%,color-mix(in srgb,var(--bg-1) 42%,transparent),transparent 54%),radial-gradient(ellipse at 97% 18%,color-mix(in srgb,var(--bg-2) 28%,transparent),transparent 52%),radial-gradient(ellipse at 58% 95%,color-mix(in srgb,var(--bg-3) 25%,transparent),transparent 60%),color-mix(in srgb,var(--page) 65%,var(--paper));background-attachment:fixed;line-height:1.5;font-optical-sizing:auto}html{scroll-padding-top:120px}.learning-setup,.learning-game{scroll-margin-top:120px}h1,h2,h3,.brand,.btn,.topic-card-cta,.daily-banner-text strong{font-family:var(--font-display)}h1,h2{letter-spacing:-.025em;line-height:1.15}p{line-height:1.55}button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}.ui-icon{width:22px;height:22px;display:inline-block;flex:0 0 auto;vertical-align:middle}.themed-bg .bubble{opacity:.14;filter:blur(44px);animation:none}.themed-bg .bubble:nth-child(n+5){display:none}.scape{opacity:.12;filter:saturate(.75)}html[data-bg]:before{opacity:.025;animation:none}.themed-bg.theme-space:before{opacity:.35;animation:none}.topbar{padding:max(12px,env(safe-area-inset-top)) 0 12px;background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none}.topbar-inner{width:min(1080px,calc(100% - 40px));min-height:76px;padding:12px 18px;background:var(--glass-chrome);border:1px solid var(--glass-border);border-radius:26px;box-shadow:inset 0 1px 0 var(--glass-inner),var(--shadow-1);-webkit-backdrop-filter:blur(24px) saturate(145%);backdrop-filter:blur(24px) saturate(145%)}.brand{gap:10px;font-size:22px;letter-spacing:-.02em}.brand .logo{width:44px;height:44px;border-radius:12px;box-shadow:none}.brand small{font-family:var(--font);font-size:11px;font-weight:500;letter-spacing:.015em;margin-top:4px}.brand .brand-text>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-right{flex-wrap:nowrap;gap:8px}.icon-btn,.day-streak-badge{min-width:44px;min-height:44px;background:transparent;border:1px solid transparent;box-shadow:none;color:var(--ink-soft)}.day-streak-badge{padding:0 10px;color:var(--ink);background:color-mix(in srgb,var(--warn) 12%,transparent)}.day-streak-badge .ui-icon{color:color-mix(in srgb,var(--ink) 45%,var(--warn));width:18px;height:18px}.icon-btn:hover{background:var(--surface-quiet);border-color:var(--stroke-quiet)}.player-chip{min-height:44px;background:var(--surface-quiet);border:1px solid var(--stroke-quiet);box-shadow:none;padding:4px 12px 4px 5px}.player-chip .avatar{width:34px;height:34px}.topbar .topbar-inner{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:16px}.topbar .player-chip{min-width:0}.topbar .chip-name{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-points{display:flex;justify-content:center;gap:8px;min-width:0}.topbar-counter{display:flex;align-items:center;gap:8px;padding:8px 12px;min-width:0;border-radius:16px;color:var(--ink);background:color-mix(in srgb,var(--warn) 12%,var(--glass-chrome));border:1px solid var(--stroke-quiet)}.topbar-counter>div{min-width:0}.topbar-counter strong{display:block;font-size:19px;line-height:1.1;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.topbar-counter span:not(.answer-streak-icon){display:block;margin-top:3px;font-size:11px;line-height:1.25;color:var(--ink-soft)}.topbar-counter .ui-icon{width:22px;height:22px;flex-shrink:0}.topbar-answer-streak{background:color-mix(in srgb,var(--good) 10%,var(--glass-chrome))}.answer-streak-icon{display:grid;place-items:center;flex-shrink:0;width:23px;height:23px;border-radius:50%;border:2px solid currentColor;font-size:15px;line-height:1}@media (max-width: 900px){.topbar .topbar-inner{grid-template-columns:minmax(0,1fr) auto;gap:10px}.topbar .topbar-right{grid-column:2;grid-row:1}.topbar-points{grid-column:1 / -1;grid-row:2;justify-content:stretch}.topbar-counter{flex:1;justify-content:center;padding:7px 10px;border-radius:13px}.topbar-counter strong{font-size:18px}}.container{width:min(1040px,calc(100% - 64px));padding:12px 0 48px}.card,.question-card,.modal,.theme-popover{border:1px solid var(--glass-border);background:var(--glass-surface);box-shadow:inset 0 1px 0 var(--glass-inner),var(--shadow-2);-webkit-backdrop-filter:blur(24px) saturate(135%);backdrop-filter:blur(24px) saturate(135%)}.card,.question-card{padding:28px}.modal-backdrop{background:#12163061;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.modal{background:color-mix(in srgb,var(--paper) 95%,transparent)}.topics-greeting{display:grid;grid-template-columns:1fr 230px;align-items:center;gap:32px;padding:32px 12px 36px;text-align:left}.topics-greeting .topics-hello{font-size:16px;color:var(--ink-soft);margin:0 0 12px}.topics-greeting-copy{min-width:0}.topics-hello{overflow-wrap:anywhere}.topics-greeting h1{max-width:650px;margin:0 0 16px;font-size:clamp(36px,5.5vw,60px);font-weight:500;line-height:1.04}.topics-greeting h1 span{color:var(--primary)}.topics-greeting-copy>p:last-child{font-size:17px;color:var(--ink-soft)}.topics-buddy{position:relative;width:210px;height:210px;display:grid;place-items:center;justify-self:center}.topics-buddy-orbit{position:absolute;top:4px;right:4px;bottom:4px;left:4px;border:1px solid var(--glass-border);border-radius:40%;background:var(--glass-chrome);box-shadow:inset 0 2px 0 var(--glass-inner),var(--shadow-2);transform:rotate(-10deg)}.topics-buddy img{position:relative;width:170px;height:170px;object-fit:contain;border-radius:34%;transform:rotate(5deg)}.daily-banner{margin:0;padding:20px 24px;gap:16px;border:1px solid var(--glass-border);border-radius:22px;background:color-mix(in srgb,var(--primary) 9%,var(--glass-surface));box-shadow:inset 0 1px 0 var(--glass-inner),var(--shadow-1);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.daily-banner-symbol{width:48px;height:48px;display:grid;place-items:center;flex:0 0 auto;border-radius:16px;background:var(--primary);color:var(--action-ink)}.daily-banner-text{gap:5px}.daily-banner-text strong{font-weight:500;font-size:21px}.daily-banner-text small{font-size:13px;line-height:1.5}.daily-banner-cta{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;color:var(--ink);background:var(--surface-quiet);flex:0 0 auto}.daily-banner.done{background:color-mix(in srgb,var(--good) 9%,var(--glass-surface))}.topics-grid{grid-template-columns:repeat(6,minmax(0,1fr));grid-auto-flow:dense;gap:18px;margin:24px 0 0}.topic-card{grid-column:span 2;display:flex;flex-direction:column;align-items:flex-start;padding:24px;min-height:242px;border:1px solid var(--glass-border);background:var(--glass-surface);box-shadow:inset 0 1px 0 var(--glass-inner),var(--shadow-2);-webkit-backdrop-filter:blur(20px) saturate(135%);backdrop-filter:blur(20px) saturate(135%);transition:transform var(--motion-settle) var(--ease-settle),box-shadow var(--motion-settle),border-color var(--motion-settle)}.topic-card:nth-child(-n+2){grid-column:span 3;min-height:228px}.topic-card:before{background:radial-gradient(ellipse at 100% 0,color-mix(in srgb,var(--topic-accent) 7%,transparent),transparent 65%)}.topic-card-art{position:relative;display:grid;place-items:center;width:104px;height:104px;margin:-8px 0 8px -8px}.topic-card-emoji{font-size:42px;transition:transform .24s var(--ease-settle)}.topic-card-label{position:relative;margin:0;font-size:clamp(21px,2.6vw,27px);font-weight:500;letter-spacing:-.02em;line-height:1.12}.topic-card-tag{position:relative;font-size:14px;margin:2px 0 12px}.topic-card-cta{position:relative;margin-top:auto;padding-top:6px;width:100%;display:flex;justify-content:space-between;color:var(--ink);font-size:15px}.topic-card-cta .ui-icon{width:20px;height:20px}@media (hover: hover) and (pointer: fine){.topic-card:hover{transform:translateY(-3px);box-shadow:inset 0 1px 0 var(--glass-inner),0 16px 32px #1f234a17;border-color:color-mix(in srgb,var(--topic-accent) 30%,var(--glass-border))}.topic-card:hover .topic-card-emoji{transform:rotate(-5deg) scale(1.05)}.daily-banner:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}}.topic-card:active,.daily-banner:active,.btn:not(:disabled):active{transform:scale(.985);transition-duration:80ms}.btn,.tile,.choice,.rich-select-trigger,.hud .pill,.daily-card,.settings-toggle,.settings-link,.settings-account-card,.theme-card,.stats-tile,.stat,.daily-progress,.daily-totals-cell{background:var(--surface-quiet);border:1px solid var(--stroke-quiet);box-shadow:none}.btn{min-height:48px;border-radius:16px;transition:transform var(--motion-quick) var(--ease-settle),background var(--motion-quick),box-shadow var(--motion-quick)}.btn.primary{background:var(--action-fill);color:var(--action-ink);border-color:transparent;box-shadow:0 4px 10px color-mix(in srgb,var(--primary) 16%,transparent)}.btn.ghost{background:transparent;border-color:transparent}.btn.danger{background:var(--danger-fill);border-color:transparent;color:var(--danger-ink)}.btn:not(:disabled):hover{box-shadow:var(--shadow-1);transform:translateY(-1px)}.tile,.choice{border-width:2px;border-color:var(--stroke-quiet)}.tile.selected{background:color-mix(in srgb,var(--primary) 8%,var(--surface-quiet))}.tile.selected,.theme-card.active{border-color:var(--primary)}.choice.correct{background:color-mix(in srgb,var(--good) 14%,var(--surface-quiet));border-color:var(--good)}.choice.wrong{background:color-mix(in srgb,var(--bad) 10%,var(--surface-quiet));border-color:var(--bad)}.rich-select-trigger{border-radius:16px;padding:16px 18px}.rich-select-trigger .trigger-text strong{font-weight:600}.rich-select-trigger .trigger-desc{font-size:14px}.rich-select-trigger .trigger-emoji{font-size:28px}.section-title{font-size:19px}.hud .pill{font-size:14px;padding:9px 14px}.hud .pill .label{text-transform:none;letter-spacing:0;font-size:12px}.learning-howto{background:var(--surface-quiet);border:1px solid var(--stroke-quiet)}.learning-emblem{display:inline-block;width:112px;height:112px}.learning-intro{padding:8px 0 24px}.learning-intro h1,.learning-round-title,.learning-question h2{font-weight:500}.learning-feedback{background:var(--surface-quiet);border:1px solid var(--stroke-quiet);box-shadow:none}.learning-feedback.good{border-color:var(--good)}.learning-feedback.retry{border-color:var(--warn)}html[data-theme=space] .rounding-rocket>span:first-child{color:var(--action-ink)}html[data-control] :is(.keypad-key,.magic-tile,.magic-cell.filled){background:var(--surface-quiet);color:var(--ink);border:2px solid var(--stroke-quiet);border-radius:14px;box-shadow:inset 0 1px 0 var(--glass-inner),0 3px color-mix(in srgb,var(--ink) 8%,transparent)}html[data-control] .keypad-key.keypad-submit{background:var(--action-fill);color:var(--action-ink)}html[data-control] .magic-tile.selected,html[data-control] .magic-cell.filled,html[data-control] .magic-cell.drag-over{border-color:var(--primary)}html[data-control] .magic-tile.selected{box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 18%,transparent)}.daily-header{margin-bottom:28px;align-items:flex-start}.daily-header h1{font-weight:500}.daily-header p{max-width:580px;line-height:1.55}.daily-totals{border:1px solid var(--stroke-quiet);background:color-mix(in srgb,var(--primary) 5%,var(--surface-quiet));box-shadow:none}.daily-totals-cell{background:transparent;border-color:transparent;box-shadow:none}.daily-cards{gap:10px}.daily-card{border-radius:20px;padding:18px 20px}.daily-card:hover{box-shadow:var(--shadow-1)}.daily-card-body h3{font-weight:500;font-size:20px}.daily-card-body p{font-size:14px}.daily-card-emoji{display:block;width:64px;height:64px;flex:0 0 64px}.daily-totals-cell-emoji{display:block;width:40px;height:40px}.daily-card.done{background:color-mix(in srgb,var(--good) 5%,var(--surface-quiet));border-color:color-mix(in srgb,var(--good) 35%,var(--stroke-quiet))}.daily-card[disabled]{opacity:1}.daily-card[disabled]:hover{box-shadow:none}.foot{margin-top:24px;padding:20px;font-size:12px;background:transparent;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;color:var(--ink-soft)}@media (max-width: 760px){.container{width:calc(100% - 40px)}.topics-greeting{grid-template-columns:1fr 150px;gap:16px;padding:28px 0}.topics-buddy{width:146px;height:146px}.topics-buddy img{width:120px;height:120px}.topics-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.topic-card,.topic-card:nth-child(-n+2){grid-column:span 1;min-height:230px;padding:20px}.topic-card:first-child{grid-column:span 1;min-height:230px}.daily-header{flex-wrap:wrap}}@media (max-width: 520px){.topbar{padding-top:max(8px,env(safe-area-inset-top))}.topbar-inner{width:calc(100% - 24px);padding:10px 12px;min-height:66px;border-radius:22px;flex-wrap:nowrap;gap:8px}.brand{font-size:18px;gap:8px}.brand small{display:none}.brand .logo{width:36px;height:36px;border-radius:10px}.topbar-right{gap:2px}.topbar .icon-btn,.topbar .day-streak-badge{width:44px;height:44px;padding:0}.topbar .day-streak-badge{display:none}.player-chip{padding:4px;min-width:44px}.player-chip .chip-name{display:none}.container{width:calc(100% - 32px);padding-top:0}.topics-greeting{grid-template-columns:1fr 92px;gap:8px;padding:24px 0 28px}.topics-greeting h1{font-size:clamp(30px,8vw,39px);margin-bottom:12px}.topics-greeting .topics-hello{font-size:14px;margin-bottom:10px}.topics-greeting-copy>p:last-child{font-size:14px;max-width:230px}.topics-buddy{width:92px;height:112px}.topics-buddy img{width:86px;height:96px}.topics-buddy-orbit{top:8px;right:0;bottom:8px;left:0}.daily-banner{padding:16px;gap:12px;border-radius:20px}.daily-banner-symbol{width:40px;height:40px;border-radius:14px}.daily-banner-text strong{font-size:18px}.daily-banner-text small{font-size:12px}.daily-banner-cta{width:28px;height:28px;background:transparent}.topics-grid{gap:12px;margin-top:18px}.topic-card,.topic-card:nth-child(-n+2){min-height:218px;padding:18px 16px;border-radius:22px}.topic-card:first-child{min-height:190px}.topic-card-art{width:88px;height:88px}.topic-card-emoji{font-size:36px}.topic-card-label{font-size:21px}.topic-card-tag{font-size:13px}.topic-card-cta{font-size:14px}.card,.question-card{padding:20px;border-radius:24px}.daily-card{padding:16px;gap:12px}.app:has(.focused-practice) .topbar-points{display:none}.app:has(.focused-practice) .topbar .topbar-inner{grid-template-columns:minmax(0,1fr) auto;min-height:56px;padding:6px 10px}.app:has(.focused-practice) .foot{display:none}.app:has(.focused-practice) .container{padding-bottom:0}}@supports not (backdrop-filter: blur(1px)){.topbar-inner,.card,.question-card,.modal,.theme-popover,.topic-card,.daily-banner{background:var(--paper)}}@media (max-width: 360px){.topbar .brand-text{display:none}}@media (prefers-reduced-transparency: reduce),(prefers-contrast: more){:root,html[data-theme]{--stroke-quiet: var(--ink-soft)}.topbar-inner,.card,.question-card,.modal,.theme-popover,.topic-card,.daily-banner{background:var(--paper);-webkit-backdrop-filter:none;backdrop-filter:none;border-color:var(--ink-soft)}.topics-buddy-orbit{background:var(--paper)}}@media (prefers-reduced-motion: reduce){.topic-card,.topic-card-emoji,.daily-banner,.btn,.icon-btn,.player-chip{transition:none}.topic-card:hover,.topic-card:active,.topic-card:hover .topic-card-emoji,.daily-banner:hover,.daily-banner:active,.btn:not(:disabled):hover,.btn:not(:disabled):active{transform:none}}.result-emblem{transition:transform var(--motion-settle) var(--ease-settle),opacity var(--motion-settle) var(--ease-settle)}@media (prefers-reduced-motion: no-preference){@starting-style{html:not([data-motion-input=keyboard]) .result-emblem{opacity:.7;transform:scale(.94) rotate(-6deg)}html:not([data-motion-input=keyboard]) .modal{opacity:.85;transform:translateY(8px) scale(.97)}html:not([data-motion-input=keyboard]) .modal-backdrop{opacity:0}}.modal{transition:opacity var(--motion-settle) var(--ease-settle),transform var(--motion-settle) var(--ease-settle)}.modal-backdrop{transition:opacity var(--motion-settle) var(--ease-settle)}}.daily-card-state,.daily-banner-cta .ui-icon,.topbar .ui-icon,.player-chip .avatar img{transition:transform var(--motion-quick) var(--ease-settle)}@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference){.daily-card:not(:disabled):hover .daily-card-state,.daily-banner:hover .daily-banner-cta .ui-icon{transform:translate(4px)}.topbar .icon-btn:hover .ui-icon{transform:rotate(-10deg) scale(1.08)}.player-chip:hover .avatar img{transform:rotate(6deg) scale(1.04)}}html[data-motion-input=keyboard] .result-emblem,html[data-motion-input=keyboard] .modal,html[data-motion-input=keyboard] .modal-backdrop{transition:none}html[data-motion-input=keyboard] .rich-select-options,html[data-motion-input=keyboard] .welcome-body,html[data-motion-input=keyboard] .welcome-panel{animation:none}html[data-motion-input=keyboard] .topic-card-art,html[data-motion-input=keyboard] .topics-greeting h1{opacity:1!important;transform:none!important}html[data-motion-input=keyboard] .btn:active,html[data-motion-input=keyboard] .topic-card:active,html[data-motion-input=keyboard] .daily-banner:active{transform:none}@media (prefers-reduced-motion: reduce){.result-emblem,.modal,.modal-backdrop,.daily-card-state,.daily-banner-cta .ui-icon,.topbar .ui-icon,.player-chip .avatar img{transition:opacity .14s ease;transform:none}}@media (prefers-reduced-motion: no-preference){html:not([data-motion-input=keyboard]) .choice{transition:transform var(--motion-settle) var(--ease-settle),background var(--motion-quick) ease,opacity var(--motion-quick) ease}html:not([data-motion-input=keyboard]) .choice.correct{transform:scale(1.03)}html:not([data-motion-input=keyboard]) :is(.block-display>.place-token,.block-display>.base-block,.practice-clue,.journey-result-art){transition:transform var(--motion-settle) var(--ease-settle),opacity var(--motion-settle) var(--ease-settle)}@starting-style{html:not([data-motion-input=keyboard]) :is(.block-display>.place-token,.block-display>.base-block){opacity:0;transform:translateY(-6px) scale(.95)}html:not([data-motion-input=keyboard]) .practice-clue{opacity:0;transform:translateY(6px)}html:not([data-motion-input=keyboard]) .journey-result-art{opacity:.7;transform:scale(.95) rotate(-6deg)}}}.app:has(.activity-toolbar){--activity-section-gap: 24px;--activity-control-gap: 12px;--activity-card-padding: 24px}.app:has(.activity-toolbar) .game,.app:has(.activity-toolbar) .game.learning-game,.app:has(.activity-toolbar) .focused-practice{display:grid;gap:var(--activity-section-gap)}.app:has(.activity-toolbar) :is(.learning-question,.question-card,.magic-card,.practice-question){padding:var(--activity-card-padding);margin:0}.app:has(.activity-toolbar) :is(.learning-feedback,.learning-next,.learning-round-title,.learning-progress){margin:0}.app:has(.activity-toolbar) :is(.practice-answers,.choices,.station-choices,.number-answer-grid,.fraction-choices,.time-choices){gap:var(--activity-control-gap)}.app:has(.activity-toolbar) .practice-question{display:grid;gap:var(--activity-section-gap)}.app:has(.activity-toolbar) .practice-question>*{margin-block:0}.builder-place-picker,.builder-review-toggle,.discovery-panel-picker,.discovery-frame-picker,.fact-family-picker,.activity-explain{display:none}.activity-explanation{width:min(640px,calc(100% - 32px));max-height:calc(100dvh - 32px);padding:24px;border:1px solid var(--stroke-quiet);border-radius:var(--radius-lg);background:var(--paper);color:var(--ink);overflow:auto}.activity-explanation::backdrop{background:#00000073}.activity-explanation>h2{margin:0 0 16px;font-size:24px}.activity-explanation-content{line-height:1.5;margin-bottom:16px}.activity-explanation>.btn{position:sticky;bottom:0}@media (max-width: 600px){.app:has(.activity-toolbar){--activity-section-gap: 12px;--activity-control-gap: 8px;--activity-card-padding: 16px}.app:has(.activity-toolbar)>main.container{padding-bottom:max(12px,env(safe-area-inset-bottom))}.app:has(.activity-toolbar) :is(.btn,.choice,select,.keypad-key){min-height:44px}.app:has(.activity-toolbar) .btn{padding:8px 12px;font-size:16px}.app:has(.activity-toolbar) .hud,.app:has(.activity-toolbar) .learning-game .hud{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-areas:none;gap:4px}.app:has(.activity-toolbar) .hud .pill{grid-area:auto;order:0;flex:1 1 auto;width:auto;min-height:28px;padding:4px 6px;gap:4px;font-size:11px}.app:has(.activity-toolbar) .hud .pill .label{font-size:10px}.app:has(.activity-toolbar) .hud .progress{flex-basis:100%;height:4px;min-width:0}.app:has(.activity-toolbar) .hud .progress{grid-column:1 / -1}.app:has(.activity-toolbar) .hud>.progress{order:1}.app:has(.activity-toolbar) .learning-progress{height:4px}.app:has(.activity-toolbar) .learning-round-title{font-size:16px;line-height:1.25;gap:4px 8px}.app:has(.activity-toolbar) .learning-round-title small{font-size:12px}.app:has(.activity-toolbar) .learning-round-art{display:none}.app:has(.activity-toolbar) .learning-game>.learning-score-note{display:none}.app:has(.activity-toolbar) .learning-game .journey-method{padding:8px 12px;margin:0;font-size:13px;border-radius:12px}.app:has(.activity-toolbar) .learning-feedback{min-height:0;padding:8px 12px;font-size:13px;line-height:1.4}.app:has(.activity-toolbar) .learning-feedback p{margin:4px 0 0}.app:has(.activity-toolbar) .learning-feedback:not(.idle){display:flex;align-items:center;justify-content:space-between;gap:8px}.app:has(.activity-toolbar) .learning-feedback .learning-feedback-detail{display:none}.app:has(.activity-toolbar) .learning-feedback .activity-explain{display:inline-flex;flex-shrink:0;font-size:13px}.app:has(.activity-toolbar) .learning-feedback.idle{display:none}.app:has(.activity-toolbar) .learning-game:has(.learning-feedback.retry) .learning-question .learning-hint{display:none}.app:has(.activity-toolbar) .learning-game:has(.learning-feedback.retry) .journey-help{display:none}.app:has(.activity-toolbar) .learning-question h2{margin:0 0 12px;font-size:20px;line-height:1.3}.app:has(.activity-toolbar) .learning-question .learning-eyebrow{margin:0 0 8px;font-size:12px}.app:has(.activity-toolbar) .learning-question .learning-eyebrow{display:none}.app:has(.activity-toolbar) .learning-question .learning-hint{margin:12px 0 0;font-size:13px;line-height:1.4}.app:has(.activity-toolbar) .learning-question .journey-help{margin-top:12px}.app:has(.activity-toolbar) .learning-game:has(.learning-next) .learning-question .btn.primary{display:none}.app:has(.activity-toolbar) .learning-game:has(.learning-next) .learning-question .rounding-track{display:none}.app:has(.activity-toolbar) .learning-game:has(.learning-next) .number-builders .builder-expanded{display:block}.app:has(.activity-toolbar) .learning-game:has(.learning-next) .number-builders :is(.builder-place-picker,.place-value-yard,.builder-actions){display:none}.app:has(.activity-toolbar) .learning-question .choice{min-height:48px;padding:8px;font-size:20px}.app:has(.activity-toolbar) .learning-question .station-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.app:has(.activity-toolbar) .station-choice{gap:4px}.app:has(.activity-toolbar) .station-choice>span{display:none}.app:has(.activity-toolbar) .station-choice strong{font-size:18px}.app:has(.activity-toolbar) .station-choice small{font-size:12px}.app:has(.activity-toolbar) .number-answer-grid{margin:12px 0 0}.app:has(.activity-toolbar) .journey-arithmetic .math-prompt{margin:12px 0;font-size:32px}.app:has(.activity-toolbar) .journey-number-entry{margin:12px auto 0;gap:8px}.app:has(.activity-toolbar) .journey-number-entry input{min-height:44px;font-size:20px}.app:has(.activity-toolbar) .journey-number-entry small{font-size:12px}.app:has(.activity-toolbar) .journey-number-entry{grid-template-columns:minmax(0,1fr) auto}.app:has(.activity-toolbar) .journey-number-entry>:is(label,small){grid-column:1 / -1}.app:has(.activity-toolbar) .journey-number-entry>input{grid-row:2;grid-column:1}.app:has(.activity-toolbar) .journey-number-entry>.btn{grid-row:2;grid-column:2}.app:has(.activity-toolbar) .journey-arithmetic.story-prompt .math-prompt{display:none}.app:has(.activity-toolbar) .learning-game:has(.journey-method) .journey-help{display:none}.app:has(.activity-toolbar) .journey-time-question{gap:12px}.app:has(.activity-toolbar) .journey-time-question>h2{margin:0}.app:has(.activity-toolbar) .journey-time-question>.journey-clock{width:min(24dvh,160px);margin:0 auto}.app:has(.activity-toolbar) .rounding-space{padding:0}.app:has(.activity-toolbar) .rounding-space>p{margin:8px 0}.app:has(.activity-toolbar) .rounding-track{height:132px;margin:8px 24px 12px}.app:has(.activity-toolbar) .rounding-rail{top:76px}.app:has(.activity-toolbar) .rounding-tick{top:72px}.app:has(.activity-toolbar) .rounding-tick.midpoint{top:67px}.app:has(.activity-toolbar) .rounding-midpoint{top:108px;font-size:13px}.app:has(.activity-toolbar) .rounding-end{top:88px;font-size:14px}.app:has(.activity-toolbar) .rounding-rocket{top:0}.app:has(.activity-toolbar) .rounding-rocket .emoji{font-size:30px}.app:has(.activity-toolbar) .rounding-rocket>span:first-child{font-size:16px}.app:has(.activity-toolbar) .fraction-pizza{width:min(26dvh,180px);margin:12px auto}.app:has(.activity-toolbar) .fraction-comparison{gap:8px;margin:12px 0}.app:has(.activity-toolbar) .fraction-equivalence{margin:12px 0}.app:has(.activity-toolbar) .fraction-equivalence-models{min-width:0}.app:has(.activity-toolbar) .fraction-equivalence .fraction-touch-instruction{display:none}.app:has(.activity-toolbar) .fraction-equivalence-models>span{font-size:12px}.app:has(.activity-toolbar) .fraction-equivalence-models>.fraction-bar:not(.selectable){height:24px}.app:has(.activity-toolbar) .fraction-equivalence p{margin:8px 0}.app:has(.activity-toolbar) .fraction-bar{height:44px;margin:8px 0}.app:has(.activity-toolbar) .fraction-choices{margin:12px 0 0}.app:has(.activity-toolbar) .fraction-selection{margin:12px 0;font-size:14px}.app:has(.activity-toolbar) .detective-equation{margin:12px 0;gap:8px}.app:has(.activity-toolbar) .detective-missing-box{min-width:44px;min-height:44px;padding:8px}.app:has(.activity-toolbar) .fact-family-numbers{margin:12px 0}.app:has(.activity-toolbar) .fact-family-numbers>span{min-width:44px;min-height:44px;font-size:22px}.app:has(.activity-toolbar) .fact-family-sentences{margin:12px 0;gap:8px}.app:has(.activity-toolbar) .fact-family-sentence{min-height:44px;padding:0 8px;font-size:18px}.app:has(.activity-toolbar) .fact-family-sentence select{min-height:44px;width:60px}.app:has(.activity-toolbar) .fact-family>p:not(.learning-hint){display:none}.app:has(.activity-toolbar) .fact-family-picker{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.app:has(.activity-toolbar) .fact-family-picker .btn{padding:4px;font-size:12px}.app:has(.activity-toolbar) .fact-family-picker [aria-pressed=true]{background:var(--primary);color:var(--paper)}.app:has(.activity-toolbar) .fact-family-sentence:not(.active-fact){display:none}.app:has(.activity-toolbar) .toy-shelf{margin:12px 0;gap:8px}.app:has(.activity-toolbar) .toy-item{display:grid;grid-template-columns:28px minmax(0,1fr);padding:8px;gap:4px 8px;font-size:13px;text-align:left}.app:has(.activity-toolbar) .toy-item .toy-emoji{grid-row:1 / 3;align-self:center}.app:has(.activity-toolbar) .toy-item .toy-price{grid-column:2}.app:has(.activity-toolbar) .toy-item small{display:none}.app:has(.activity-toolbar) .budget-shop .shop-wallet{display:none}.app:has(.activity-toolbar) .toy-emoji{font-size:28px;line-height:1}.app:has(.activity-toolbar) .shop-wallet{padding:8px 12px;margin:0;font-size:14px}.app:has(.activity-toolbar) .shop-basket-total{margin:12px 0;font-size:16px}.app:has(.activity-toolbar) .toy-shop>.primary{margin-top:0}.app:has(.activity-toolbar) .mode-banner{gap:8px}.app:has(.activity-toolbar) .mode-banner .mascot,.app:has(.activity-toolbar) .mode-banner-desc{display:none}.app:has(.activity-toolbar) .mode-banner-title{font-size:15px}.app:has(.activity-toolbar) .question-card{grid-template-columns:1fr;gap:12px}.app:has(.activity-toolbar) .q-prompt>.label{display:none}.app:has(.activity-toolbar) .q-prompt .clock{width:min(27dvh,180px)}.app:has(.activity-toolbar) .question-card .clock{width:min(27dvh,180px)}.app:has(.activity-toolbar) .q-prompt .big-time{font-size:36px}.app:has(.activity-toolbar) .q-prompt .big-words{font-size:20px}.app:has(.activity-toolbar) .question-card .choices{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.app:has(.activity-toolbar) .question-card .choice{padding:8px;min-height:48px;font-size:18px}.app:has(.activity-toolbar) .question-card .choice .clock{width:min(22dvh,110px)}.app:has(.activity-toolbar) .feedback{padding:8px;min-height:0;margin:0;font-size:14px}.app:has(.activity-toolbar) .set-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:12px 0 0;gap:8px}.app:has(.activity-toolbar) .set-instructions{margin:8px 0;gap:8px;font-size:12px}.app:has(.activity-toolbar) .set-instructions .chip{padding:4px 8px}.app:has(.activity-toolbar) .question-card .math-prompt{font-size:32px}.app:has(.activity-toolbar) .keypad{gap:8px}.app:has(.activity-toolbar) .keypad-display{min-height:44px;padding:4px 8px;font-size:28px}.app:has(.activity-toolbar) .keypad-grid{gap:8px}.app:has(.activity-toolbar) .keypad-key{padding:8px;font-size:20px}.app:has(.activity-toolbar) .practice-active{height:auto;grid-template-rows:auto}body:has(.focused-practice.practice-active){overflow-y:auto}.app:has(.activity-toolbar) .practice-active .practice-question{overflow:visible;gap:12px;justify-content:normal}.app:has(.activity-toolbar) .practice-question>.practice-clue{max-height:none;overflow:visible;padding:8px}.app:has(.activity-toolbar) .practice-round-header{gap:8px;min-height:0}.app:has(.activity-toolbar) .practice-round-header h1{font-size:18px}.app:has(.activity-toolbar) .practice-round-header .practice-small-art{display:none}.app:has(.activity-toolbar) .practice-round-header>span{width:auto;font-size:12px}.app:has(.activity-toolbar) .practice-question h2{font-size:20px}.app:has(.activity-toolbar) .practice-equation{margin:0;font-size:36px;gap:8px}.app:has(.activity-toolbar) .practice-answers{width:100%;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.app:has(.activity-toolbar) .practice-answers .choice{min-height:52px;padding:8px;font-size:26px}.app:has(.activity-toolbar) .practice-feedback{min-height:0;margin:0;font-size:14px}.app:has(.activity-toolbar) .practice-question .practice-note{margin:0;font-size:12px}.app:has(.activity-toolbar) .practice-speed-hud{margin:0;gap:8px;font-size:12px}.app:has(.activity-toolbar) .practice-speed-hud>span{padding:4px 8px;border-width:1px}.app:has(.activity-toolbar) .magic-card{gap:12px}.app:has(.activity-toolbar) .magic-grid{width:180px;gap:8px;padding:0}.app:has(.activity-toolbar) .magic-cell{min-width:0;min-height:44px;padding:0;font-size:24px}.app:has(.activity-toolbar) .magic-pool{width:100%;margin:0;gap:8px}.app:has(.activity-toolbar) .magic-tile{width:44px;height:44px;min-height:44px;font-size:22px}.app:has(.activity-toolbar) .magic-actions{margin:0}.app:has(.activity-toolbar) .builder-place-picker{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:12px 0}.app:has(.activity-toolbar) .builder-place-picker [role=tab]{display:grid;gap:4px;min-height:44px;padding:4px;border:2px solid var(--stroke-quiet);border-radius:12px;background:var(--paper);color:var(--ink);font-family:inherit;line-height:1}.app:has(.activity-toolbar) .builder-place-picker [aria-selected=true]{border-color:var(--primary);background:var(--primary);color:var(--paper)}.app:has(.activity-toolbar) .builder-place-picker small{font-size:11px}.app:has(.activity-toolbar) .builder-place-picker strong{font-size:18px}.app:has(.activity-toolbar) .number-builders>.learning-eyebrow,.app:has(.activity-toolbar) .number-builders>p:not(.learning-hint){display:none}.app:has(.activity-toolbar) .number-builders .builder-expanded{display:none;margin:12px 0}.app:has(.activity-toolbar) .number-builders .builder-expanded p{font-size:18px}.app:has(.activity-toolbar) .number-builders .place-value-yard{display:block;margin:12px 0}.app:has(.activity-toolbar) .number-builders .place-value-column:not(.active-place){display:none}.app:has(.activity-toolbar) .number-builders .place-value-column{padding:8px 12px}.app:has(.activity-toolbar) .number-builders .place-value-column h3{display:flex;justify-content:center;align-items:baseline;gap:8px;margin:0 0 8px;font-size:16px}.app:has(.activity-toolbar) .number-builders .block-display{min-height:28px;padding:0;gap:4px;--block-unit: 3px}.app:has(.activity-toolbar) .number-builders .place-token{min-width:24px;min-height:20px;padding:2px;font-size:10px}.app:has(.activity-toolbar) .number-builders .block-stepper{gap:8px;margin:8px auto 0}.app:has(.activity-toolbar) .number-builders .place-contribution{margin:8px 0 0}.app:has(.activity-toolbar) .number-builders .builder-review-toggle{display:inline-flex;margin:0 8px 0 0}.app:has(.activity-toolbar) .builder-actions{display:flex;gap:8px}.app:has(.activity-toolbar) .builder-actions>.btn{flex:1;min-width:0;margin:0;font-size:14px}.app:has(.activity-toolbar) .number-builders>.primary{margin:0}.app:has(.activity-toolbar) .number-builders.reviewing .builder-expanded{display:block}.app:has(.activity-toolbar) .number-builders.reviewing :is(.builder-place-picker,.place-value-yard){display:none}.app:has(.activity-toolbar) .journey-discovery{padding:12px;display:grid;gap:12px}.app:has(.activity-toolbar) .journey-discovery>h1{display:none}.app:has(.activity-toolbar) .journey-discovery>.learning-eyebrow{margin:0;font-size:13px}.app:has(.activity-toolbar) .discovery-instruction{display:none}.app:has(.activity-toolbar) .discovery-panel-picker{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.app:has(.activity-toolbar) .discovery-panel-picker .btn{min-width:0;padding:8px;font-size:14px}.app:has(.activity-toolbar) .discovery-panel-picker [aria-pressed=true]{background:var(--primary);color:var(--paper)}.app:has(.activity-toolbar) .discovery-view-model>.discovery-prediction,.app:has(.activity-toolbar) .discovery-view-model>.btn.primary,.app:has(.activity-toolbar) .discovery-view-answer>.discovery-model-card{display:none}.app:has(.activity-toolbar) .discovery-model-card{padding:44px 8px 8px}.app:has(.activity-toolbar) .discovery-model-card>:is(.discovery-arithmetic,.discovery-rounding){padding:0}.app:has(.activity-toolbar) .discovery-track{height:128px;margin-inline:36px}.app:has(.activity-toolbar) .discovery-rail{top:64px}.app:has(.activity-toolbar) .discovery-midpoint{top:44px;height:40px}.app:has(.activity-toolbar) .discovery-midpoint span{margin-top:44px}.app:has(.activity-toolbar) .discovery-station{top:76px}.app:has(.activity-toolbar) .discovery-rocket{top:0}.app:has(.activity-toolbar) .discovery-rocket>span{width:48px}.app:has(.activity-toolbar) .discovery-rocket .game-illustration{width:48px;height:48px}.app:has(.activity-toolbar) .discovery-rocket strong{font-size:14px}.app:has(.activity-toolbar) .discovery-caption,.app:has(.activity-toolbar) .upper-model-caption{min-height:0;margin:8px auto;font-size:13px;line-height:1.4}.app:has(.activity-toolbar) .discovery-prediction h2{margin:0 0 12px;font-size:20px;line-height:1.3}.app:has(.activity-toolbar) .discovery-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:12px 0}.app:has(.activity-toolbar) .discovery-choices .choice{min-width:0;max-width:none;padding:8px;min-height:44px;font-size:18px}.app:has(.activity-toolbar) .discovery-response{min-height:0;margin:12px 0 0;font-size:13px;line-height:1.4}.app:has(.activity-toolbar) .discovery-ten-frame{width:240px}.app:has(.activity-toolbar) .discovery-ten-frame:not(.active-frame){display:none}.app:has(.activity-toolbar) .discovery-frame-picker{display:flex;gap:8px;justify-content:center;margin:8px 0}.app:has(.activity-toolbar) .discovery-frame-picker .btn{font-size:13px}.app:has(.activity-toolbar) .discovery-frame-picker [aria-pressed=true]{background:var(--primary);color:var(--paper)}.app:has(.activity-toolbar) .discovery-ten-frames{gap:8px;padding:0}.app:has(.activity-toolbar) .discovery-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;min-height:0}.app:has(.activity-toolbar) .discovery-group{padding:4px}.app:has(.activity-toolbar) .discovery-group>span{margin-bottom:4px;font-size:11px}.app:has(.activity-toolbar) .discovery-group>div{grid-template-columns:repeat(5,6px);justify-content:center;gap:2px;min-height:6px}.app:has(.activity-toolbar) .discovery-group i{width:6px;height:6px}.app:has(.activity-toolbar) .discovery-array{padding:8px;gap:2px}.app:has(.activity-toolbar) .discovery-array>div{gap:2px}.app:has(.activity-toolbar) .discovery-array i{width:8px;height:8px}.app:has(.activity-toolbar) .discovery-array-view p{margin:8px 0;font-size:13px}.app:has(.activity-toolbar) .discovery-part-whole{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin:8px 0}.app:has(.activity-toolbar) .discovery-part-whole>strong{font-size:20px}.app:has(.activity-toolbar) .discovery-part-whole>span{font-size:12px}.app:has(.activity-toolbar) .discovery-part-whole>div{gap:8px;margin:0}.app:has(.activity-toolbar) .discovery-part-whole b{padding:4px 8px;font-size:18px}.app:has(.activity-toolbar) .discovery-part-whole>p{margin:0;font-size:13px}.app:has(.activity-toolbar) .discovery-arithmetic>:is(.btn.primary,.back-link){display:inline-flex;justify-content:center;align-items:center;width:calc(50% - 4px);min-width:0;min-height:44px;padding:8px;margin:0;font-size:13px}.app:has(.activity-toolbar) .discovery-arithmetic>.back-link{margin-left:8px}.app:has(.activity-toolbar) .discovery-tap-hint{margin:8px 0;padding:8px;font-size:13px}.app:has(.activity-toolbar) .discovery-distance-bars{margin:8px auto}.app:has(.activity-toolbar) .discovery-distance-bars p{margin:8px 0 4px;font-size:13px}.app:has(.activity-toolbar) .discovery-distance-bars>div{height:8px}.app:has(.activity-toolbar) .journey-actions{gap:8px;margin:12px 0 0;flex-wrap:wrap}.app:has(.activity-toolbar) .journey-actions>:is(.btn,.back-link){width:auto;flex:1;margin:0;padding:8px;font-size:14px}.app:has(.activity-toolbar) .upper-place-table :is(th,td),.app:has(.activity-toolbar) .upper-method-table :is(th,td){min-width:24px;padding:4px;font-size:14px}.app:has(.activity-toolbar) .upper-array{margin:0;padding:8px;gap:2px}.app:has(.activity-toolbar) .upper-array>div{gap:2px}.app:has(.activity-toolbar) .upper-array i{width:8px;height:8px}.app:has(.activity-toolbar) .upper-model-view p{font-size:13px;line-height:1.4;margin:8px 0}.app:has(.activity-toolbar) .upper-expression{min-height:0;padding:12px 8px;font-size:24px}.app:has(.activity-toolbar) .upper-operation-focus{padding:8px}}@media (max-width: 600px) and (max-height: 600px){.app:has(.activity-toolbar){--activity-section-gap: 8px;--activity-card-padding: 12px}.app:has(.activity-toolbar) .hud .pill{min-height:24px}.app:has(.activity-toolbar) .hud .label{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.app:has(.activity-toolbar) .hud .pill{white-space:nowrap;font-size:10px;padding:4px}.app:has(.activity-toolbar) .number-builders .place-value-column{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px}.app:has(.activity-toolbar) .number-builders .place-value-column h3{display:grid;gap:4px;font-size:14px;line-height:1.2;margin:0}.app:has(.activity-toolbar) .number-builders :is(.builder-place-picker,.place-value-yard){margin:8px 0}.app:has(.activity-toolbar) .number-builders .block-stepper{grid-row:1;grid-column:2;width:120px;margin:0}.app:has(.activity-toolbar) .number-builders :is(.block-display,.place-contribution){grid-column:1 / -1;margin:0}.app:has(.activity-toolbar) .number-builders .block-display{--block-unit: 2px;min-height:20px}.app:has(.activity-toolbar) .number-builders .place-token{width:20px;min-width:0;font-size:8px}.app:has(.activity-toolbar) .builder-actions>.btn{font-size:13px;line-height:1.2}.app:has(.activity-toolbar) .learning-question h2{font-size:18px}.app:has(.activity-toolbar) .learning-question .choice{min-height:44px}.app:has(.activity-toolbar) .journey-time-question{gap:8px}.app:has(.activity-toolbar) .journey-time-question>.journey-clock{width:100px}.app:has(.activity-toolbar) .fraction-pizza{width:112px}.app:has(.activity-toolbar) .q-prompt .clock{width:128px}.app:has(.activity-toolbar) .question-card .clock{width:128px}.app:has(.activity-toolbar) .question-card .choice .clock{width:84px}.app:has(.activity-toolbar) .game:has(.keypad)>.mode-banner{display:none}.app:has(.activity-toolbar) .game:has(.set-actions)>.mode-banner{display:none}.app:has(.activity-toolbar) .magic-card{display:grid;grid-template-columns:148px minmax(0,1fr);gap:8px}.app:has(.activity-toolbar) .magic-prompt,.app:has(.activity-toolbar) .magic-actions{grid-column:1 / -1}.app:has(.activity-toolbar) .magic-grid{width:148px;gap:8px}.app:has(.activity-toolbar) .magic-pool{align-self:center;display:grid;grid-template-columns:repeat(2,44px);justify-content:center}}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.topbar:not(:has(.topbar-points)) .topbar-inner{grid-template-columns:minmax(0,1fr) auto}.stats-page{max-width:800px;margin-inline:auto}.stats-sync,.leaderboard-sync{display:inline-block;color:var(--ink-soft);font-size:12px}.stats-page>.stats-sync{float:right;margin-top:20px}.stats-page .stats-tabs{clear:both;margin:16px 0}.stats-overall-tile{padding:16px;gap:12px}.stats-overall-tile .stats-metric-icon{width:36px;height:36px;font-size:22px}.stats-overall-tile .num{font-size:clamp(28px,5vw,36px)}.stats-recent-art{display:inline-flex;width:40px;height:40px;flex-shrink:0}.stats-recent-art svg{width:100%;height:100%}.leaderboard .topic-pills{margin:0 0 8px}.leaderboard-sync{margin-bottom:12px}.about-page{max-width:800px;margin-inline:auto}.about-page .about-title{margin:16px 0 8px;font-size:clamp(28px,5vw,40px)}.about-page .about-lede{margin:0 0 24px;max-width:40ch;font-size:18px;line-height:1.5}.about-ways{display:grid;gap:20px}.about-way{display:flex;gap:16px;align-items:center}.about-way>span{width:68px;height:68px;flex-shrink:0}.about-way svg{width:100%;height:100%}.about-way h2{margin:0 0 4px;font-size:20px}.about-way p{margin:0;color:var(--ink-soft);font-size:15px;line-height:1.5}.about-promise{padding:16px;margin:24px 0;border-radius:16px;background:var(--surface-quiet);font-weight:600}.about-page .about-section{margin-top:24px}.about-page .about-section h2{margin:0 0 8px;font-size:20px}.about-page .about-section p{margin:8px 0;font-size:15px;line-height:1.5}.about-page .about-list{padding-left:20px;font-size:15px;line-height:1.7}.about-page :is(.about-version,.about-credit){padding-top:12px;margin-top:12px}.about-page .about-version h2{font-size:14px;color:var(--ink-soft)}@media (max-width: 600px){.topic-home .topics-greeting{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.stats-page{padding:16px}.stats-page>.back-link{margin:0 0 4px}.stats-overall{gap:12px}.stats-overall-tile{padding:12px}.stats-overall-tile .lbl{font-size:14px}.stats-overall-tile small{font-size:12px}.stats-recent-row{padding:12px;gap:12px}.stats-recent-title{font-size:14px}.stats-recent-sub{font-size:12px}.stats-page .leaderboard{padding:0}.stats-page .leaderboard table{font-size:14px}.stats-page .leaderboard :is(th,td){padding:12px 6px}.about-page{padding:20px}.about-page .about-lede{font-size:16px;margin-bottom:20px}.about-way{align-items:flex-start;gap:12px}.about-way>span{width:48px;height:48px}.about-way h2{font-size:18px}.about-way p{font-size:14px}}
