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#bda482;min-height:82px;align-items:end}.math-birds-away{border-top:1px dashed #779165;padding-top:8px;font-size:.85rem;text-align:center}.math-birds-away .math-picture{font-size:38px}.math-extra:not(.math-extra-counting) .math-touch-token.can-remove.is-marked{background:#fffdf5;border:2px dashed #6d9b5b}.math-answer-picker{margin:20px auto 8px;max-width:560px}.math-answer-choices{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.math-answer-choices .g-button{font-size:1.8rem!important;font-weight:800!important;min-height:76px;padding:12px;background:var(--surface);border:1px solid var(--line);box-shadow:0 3px #dce0ed}.math-answer-choices .g-button[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);color:var(--ink)}.math-free-answer{margin-top:8px}.math-free-answer summary,.math-hint-relation summary{cursor:pointer;padding:12px 0;min-height:44px;font-size:.85rem}.math-free-answer 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3px}.math-construction{align-items:end}.math-drop-place{align-self:center;color:#55406e;font-size:.95rem}.math-treasure-chest{border:6px solid #ba9874;border-bottom-width:13px;border-radius:10px 10px 22px 22px;background:#f8ead0;flex-direction:column;gap:12px}.math-treasure-chest .math-fixed-amount{margin:0}.math-added-amount{display:grid;justify-items:center;gap:8px}.math-treasure-chest .math-added-amount{border-top:2px dashed #946440;padding-top:12px;width:100%}.math-direct-actions .g-button[data-math=place-one]{display:flex;align-items:center;gap:7px;flex-direction:column;flex-wrap:nowrap;justify-content:center;background:#fffdf5}.math-direct-actions .g-button[data-math=place-one] .math-picture{font-size:28px}.math-direct-actions .g-button[data-math=place-one]>span:last-child{flex-basis:auto;font-size:.85rem}.math-join-groups .g-button{border:3px solid #d5bda3;background:#fffdf5;border-radius:45%;justify-content:space-between;gap:8px;min-height:120px;padding:15px}.math-join-groups .g-button:disabled{opacity:1}.math-join-groups .g-button>span:first-child{font-size:.85rem}.math-empty-plate{min-height:42px;display:grid;place-items:center;color:#17664e}.math-extra-addition .math-building-tray{border-radius:25% 25% 10px 10px;border-bottom:7px solid #ba9874;background:#fffdf5}.math-extra-addition .math-building-tray .math-pieces .math-picture{font-size:34px}.math-place-columns{gap:12px;grid-template-columns:repeat(auto-fit,minmax(min(100%,7rem),1fr))}.math-place-columns h4{font-size:1rem}.math-place-material{background:#fffdf5;border-bottom:5px solid #ba9874;border-radius:8px;padding:8px 4px;min-height:85px}.math-ten-rod{display:inline-block;border:2px solid #6d9b5b;border-radius:7px;padding:4px;background:#e2ecd2}.math-ten-rod .math-pieces{display:grid;grid-template-columns:repeat(2,14px);gap:0 2px}.math-ten-rod .math-picture{font-size:14px;width:14px}.math-place-columns .math-stepper{flex-direction:column-reverse}.math-place-columns .math-stepper 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#946440;border-radius:4px}.math-measure-block{background:#f2cf70;border:1px solid #756353;border-radius:3px}.math-sample-block{display:inline-block;width:28px;height:24px;border:1px solid #756353;border-radius:3px;background:#f2cf70;vertical-align:middle}.math-figure-grid .g-button{background:#fffdf5;border:2px solid #c3aed6;border-radius:12px}.math-extra-shapes .math-figure-grid [aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent)}.math-pizza-crust{fill:#f2cf70;stroke:#b37e42;stroke-width:2}.math-fraction-circle path{fill:#fff4cf;stroke:#946440}.math-fraction-circle path[aria-pressed=true]{fill:#dc9673}.math-fraction-circle path:focus-visible{stroke:#55406e;stroke-width:3}.math-fraction-circle{background:#fffdf5;border:3px solid #d5bda3;border-radius:50%}.math-scale-mechanism{grid-column:1 / -1;margin:0 3%}.math-scale-mechanism svg{display:block;width:100%;height:90px}.math-scale{gap:0 10px;margin:12px auto 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160px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:20px;border-radius:16px;background:#fffdf7}.math-material-caption{font-size:.8rem;color:#735a42}.math-supply strong{font-size:1.2rem}.math-reserve{flex:1 1 140px;display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px;border:1px dashed #987252;border-radius:12px}.math-reserve-target{display:flex;align-items:center;gap:8px}.math-reserve-place{width:100%;min-height:80px;flex-wrap:wrap}.math-groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,140px),1fr));gap:24px 16px}.math-group{min-width:0;display:flex;flex-direction:column;align-items:center;gap:12px}.math-group>.math-picture{font-size:48px}.math-serving-plate{width:100%;min-height:130px;display:flex;flex-wrap:wrap;align-items:center;align-content:center;justify-content:center;gap:8px;padding:16px;background:#fffdf7;border:2px solid #d8c4ab;border-radius:50%}.math-serving-plate:disabled{opacity:1;color:var(--ink)}.math-serving-plate .math-units{max-width:100%;margin:0}.math-serving-plate .math-picture{font-size:30px}.math-add-cookie{display:inline-flex;align-items:center;justify-content:center;gap:2px}.math-add-cookie .math-picture{opacity:.35}.math-add-cookie b{font-size:1.25rem;color:#735a42}.math-portion-tools{display:flex;align-items:center;justify-content:center;gap:12px}.math-portion-tools output,.math-portion-tools strong{font-size:1.4rem;min-width:24px;text-align:center}.math-portion-tools .g-button{min-width:48px;min-height:44px;padding:8px}.math-portion-tools .math-picture{font-size:20px}.math-portion-tools .g-button>span:first-child{font-size:1.5rem}.math-sharing-round{display:flex;justify-content:center;margin-top:20px}.math-sharing .g-button:hover:not(:disabled){transform:none}.math-sharing-round .math-picture{font-size:24px}.math-sharing>.math-meaning-details{margin-top:16px}@media(max-width:540px){.g-play-surface{padding-bottom:18px}.math-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 12px}.math-group:last-child:nth-child(odd){grid-column:1/-1;width:50%;justify-self:center}.math-serving-plate{min-height:112px;padding:12px}.math-serving-plate .math-picture{font-size:26px}.math-extra-counting .math-touch-token.g-picture-card{width:86px;min-height:96px}.math-number-train .g-train-word{min-width:56px;padding:8px}}.math-count-mark .ui-icon{width:1rem;height:1rem}.math-route-location{display:flex;justify-content:center;align-items:baseline;flex-wrap:wrap;gap:.5rem 2rem}.math-route-origin{color:var(--muted)}.math-route-origin b{color:var(--ink);font-size:1.25rem}.math-undo-jump{display:flex;justify-content:center;margin:-.5rem 0 1rem}.math-trail{display:flex;flex-wrap:wrap;gap:.75rem 2rem;padding-left:1.5rem}.math-trail li{padding-inline:.25rem;white-space:nowrap}.math-select-units{gap:.25rem}.math-unit-choice.g-button{position:relative;min-width:2.75rem;min-height:2.75rem;width:2.75rem;padding:.125rem;border-radius:.75rem;background:transparent;border-color:transparent}.math-unit-choice.g-button[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent)}.math-unit-choice .math-picture{font-size:1.75rem}.math-unit-mark{position:absolute;bottom:-.125rem;right:-.125rem;display:grid;place-items:center;width:1rem;height:1rem;color:#fff;background:var(--accent);border-radius:50%}.math-unit-mark .ui-icon{width:.8rem;height:.8rem}.math-open-pack.g-button{padding:.375rem;min-width:2.75rem;min-height:2.75rem}.math-build-pack{display:grid;justify-items:center;gap:.5rem;margin-block:1rem}.math-build-pack p{margin:0}.math-build-pack .g-button{flex-direction:column;gap:.75rem}.math-build-pack .math-ten-rod .math-pieces{grid-template-columns:repeat(5,14px)}.math-pack-error{color:var(--ink)}.math-equal-mark{fill:none;stroke-width:2;stroke-linecap:round}.math-pack-feedback{width:100%;max-width:25rem;display:grid;justify-items:center;gap:.75rem}.math-pack-comparison{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.75rem;width:100%}.math-ten-spaces{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.25rem;width:min(100%,12rem);padding:.375rem;background:#e2ecd2;border:2px solid #6d9b5b;border-radius:.5rem}.math-ten-spaces>span{display:grid;place-items:center;min-width:0;aspect-ratio:1;background:#fffdf5;border:1px solid #899879;border-radius:.25rem}.math-ten-spaces>span[data-filled=false]{border:2px dashed var(--focus)}.math-ten-spaces .math-picture{width:100%;min-width:0;font-size:clamp(1rem,5vw,1.5rem)}.math-pack-excess{display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:.5rem;max-width:100%;color:var(--focus)}.math-pack-excess .math-pieces{flex-wrap:wrap}.math-pack-feedback .math-pack-error{text-align:center}.math-pattern-piece{display:inline-grid;place-items:center;flex:0 0 auto;width:2.75rem;height:2.75rem;font-size:2rem;line-height:1}.math-pattern-piece .math-shape{width:100%;height:100%}.math-pattern-slots .math-pattern-piece,.math-shape-options .math-pattern-piece{width:3rem;height:3rem;font-size:2.4rem}.math-game-symbol{font-size:1.5rem;line-height:1}.math-answer-label{font-weight:750;margin:0 0 12px}.math-picture-button{flex-direction:column;gap:8px}.math-action-label{max-width:100%;overflow-wrap:anywhere;font-size:.85rem;font-weight:700;line-height:1.4}.math-visual-play .math-picture-button .math-action-label{display:block}.math-visual-play .math-free-answer summary{width:auto;display:inline-flex;align-items:center;gap:8px;color:var(--muted)}.math-task-detail{margin-top:12px}.math-task-detail summary{min-height:44px;padding:12px 0;cursor:pointer}.math-task-detail p{margin:8px 0}.math-scene-hint p{margin:8px 0 0}.math-play-scene .math-figure-grid .g-button{background:var(--surface);border-color:var(--line)}.math-play-scene .math-figure-grid .g-button[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent)}.math-play-scene .g-button[aria-pressed=true]{color:var(--ink)}.math-live-board[data-solved=true] .g-button[aria-pressed=true]{opacity:1;background:var(--teal-soft, #e8f3ef);border-color:var(--teal, #146e63)}.math-extra-subtraction .math-touch-token{border-radius:12px}.math-visual-play .math-value{width:min(100%,540px);margin:12px auto}.math-visual-play .math-value .g-button{flex:1 1 110px}.math-visual-play .math-value input{flex:0 1 4rem;min-width:0}.math-visual-play .math-place-columns .math-stepper{flex-direction:row}.math-visual-play .math-place-columns .math-stepper .g-button{flex:1 1 7rem;width:auto;flex-wrap:nowrap}.math-visual-play .math-place-columns .math-stepper .math-action-label{white-space:normal}.math-line-svg{margin-inline:auto}.math-array-rows:empty{width:min(100%,360px);min-height:90px;border:2px dashed #8cad71;background:transparent}@media(max-width:540px){.math-answer-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.math-answer-choices .g-button{min-height:64px}.math-visual-play .math-figure-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.math-visual-play .math-figure-grid .g-button{min-height:100px}.math-shape-options{gap:12px}.math-shape-options .g-button{padding:12px}}