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.o{width:12px;height:12px;border-radius:2px;background:var(--pic-blue)}.sfb2{display:flex;width:min(100%,520px);height:52px;border:3px solid var(--child);border-radius:10px;overflow:hidden;background:#fff}.sfb2 i{border-left:3px solid var(--child)}.sfb2 i:first-child{border-left:none}.sfb2 i.on{background:color-mix(in srgb,var(--child) 55%,#fff)}.sfg{width:min(100%,380px);height:auto}.sfg rect,.sfg polygon{fill:var(--child-soft);stroke:var(--child);stroke-width:4}.sfg line{stroke:var(--child);stroke-width:4}.sfg circle{fill:var(--child)}.sfg text{fill:var(--ink);font:800 18px Nunito,sans-serif}.sfg text.in{font-size:15px;fill:var(--muted)}.smoney{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;align-items:center}.scoin{display:inline-flex;align-items:center;justify-content:center;min-width:60px;height:60px;border-radius:50%;background:var(--pic-yellow);border:4px solid var(--ink);font:800 20px Nunito,sans-serif;color:var(--ink)}.snote{display:inline-flex;align-items:center;justify-content:center;min-width:92px;height:56px;border-radius:8px;background:var(--pic-green);border:4px solid var(--ink);font:800 22px Nunito,sans-serif;color:#fff}.sbal{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.sbal .pan{min-width:130px;padding:12px 14px;border:3px solid var(--child);border-radius:0 0 22px 22px;background:var(--child-bg);font:800 22px Nunito,sans-serif;text-align:center}.sbal .mid{font-size:34px}.srule{background:var(--right-bg);border:3px solid var(--right);border-radius:22px;padding:14px 18px;animation:pop .35s ease}.srule span{font:600 12px IBM Plex Mono,monospace;color:var(--right);letter-spacing:.1em;text-transform:uppercase}.srule p{margin:4px 0 0;font-size:clamp(20px,2.4vw,24px);font-weight:700;color:var(--ink)}.sask{background:#fff;border-radius:24px;padding:16px;box-shadow:0 4px 0 var(--child-soft)}.sq{font-size:clamp(20px,2.4vw,24px);font-weight:800;margin:0 0 12px}.sopts{display:flex;gap:12px;flex-wrap:wrap}.sopt{min-width:96px;min-height:72px;padding:0 16px;border-radius:20px;border:4px solid var(--child-soft);background:#fff;font:800 28px Nunito,sans-serif;color:var(--ink)}.sopt.right,.qopt.right{border-color:var(--right);background:var(--right-bg)}.sopt.wrong,.qopt.wrong{border-color:var(--trap);background:var(--trap-bg)}.sopt.faded,.qopt.faded{opacity:.45}.sfb{border-radius:18px;padding:12px 16px;margin-top:12px;font-size:19px;font-weight:700}.sfb.right{background:var(--right-bg)}.sfb.wrong{background:var(--trap-bg)}.lr-foot{display:flex;justify-content:space-between;gap:12px;padding:14px 18px;background:#fff;border-top:4px solid var(--child-soft);position:sticky;bottom:0}.lr-foot.center{justify-content:center;background:none;border:none;position:static}.streak{display:flex;align-items:center;gap:5px;margin-top:4px}.streak i{width:26px;height:26px;border-radius:50%;border:3px solid var(--grid);font-style:normal;font-size:15px;font-weight:900;display:flex;align-items:center;justify-content:center;color:#fff}.streak i.on{background:var(--right);border-color:var(--right);animation:pop .3s}.streak small{margin-left:8px;color:var(--muted);font-size:14px}.lquiz .qtext{font-size:clamp(21px,2.5vw,26px)}.qopts{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.qopt{min-height:76px;border-radius:20px;border:4px solid var(--child-soft);background:#fff;display:flex;align-items:center;gap:12px;padding:8px 14px;font:800 24px Nunito,sans-serif;color:var(--ink);text-align:left}.qopt.pic{flex-direction:column}.qopt .dot{width:40px;height:40px;border-radius:50%;background:var(--child-soft);border:none;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.lwrong{background:#fff;border-radius:18px;padding:12px 16px;border:3px solid var(--trap-bg)}.lh2{font:700 22px Bitter,Georgia,serif;margin:10px 0 0}.lwin{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;position:relative;overflow:hidden;text-align:center}.lwin h1{font:700 34px Bitter,Georgia,serif}.bigwin{font-size:96px;animation:spin 1s ease}@keyframes spin{0%{transform:scale(.2) rotate(-90deg)}to{transform:none}}.confetti i{position:absolute;top:-20px;width:12px;height:18px;border-radius:3px;animation:fall 2.4s linear infinite}.confetti i:nth-child(4n){background:var(--pic-purple)}.confetti i:nth-child(4n+1){background:var(--pic-blue)}.confetti i:nth-child(4n+2){background:var(--pic-yellow)}.confetti i:nth-child(4n+3){background:var(--pic-green)}@keyframes fall{to{transform:translateY(110vh) rotate(540deg)}}.learncard{display:flex;gap:16px;align-items:flex-start}.learncard.hot{border:3px solid var(--child);box-shadow:0 6px 0 var(--child-soft)}.lcbuddy{width:84px;height:84px}@media(prefers-reduced-motion:reduce){.sbody,.srule,.bigwin,.confetti i,.streak i.on{animation:none}}.plearn .ltab{width:100%;border-collapse:collapse;margin:8px 0 4px;font-size:14px}.plearn .ltab th,.plearn .ltab td{text-align:left;padding:6px 8px;border-top:1px solid var(--grid)}.plearn .ltab th{font-weight:600;color:var(--muted);font-size:12px}.plearn .lstuck{color:var(--trap-ink)}@media(max-width:640px){.plearn .ltab th:nth-child(4),.plearn .ltab td:nth-child(4){display:none}}