._page_ylt0n_1{background:var(--student-bg,var(--eq-sand));min-height:100dvh;color:var(--eq-cocoa);font-family:var(--font-body,inherit);--topic-accent:var(--eq-clay);--topic-tint:var(--eq-warm);padding:24px clamp(16px,5vw,72px) 56px}._header_ylt0n_2{border-bottom:1px solid var(--eq-line);justify-content:space-between;align-items:center;gap:20px;max-width:1240px;margin:0 auto 24px;padding-bottom:20px;display:flex}._header_ylt0n_2 a{color:inherit;text-decoration:none}._header_ylt0n_2 a:last-child{font-size:14px}._top_ylt0n_2{max-width:1020px;margin:auto}._eyebrow_ylt0n_2{letter-spacing:.1em;text-transform:uppercase;color:var(--topic-accent);margin:8px 0 12px;font-size:12px}._title_ylt0n_2{margin:12px 0 20px;font-size:clamp(26px,3.6vw,44px);font-weight:500;line-height:1.15}._lead_ylt0n_2{max-width:760px;font-size:18px;line-height:1.6}._rail_ylt0n_2{z-index:5;background:color-mix(in srgb,var(--eq-surface-cream) 96.08%,transparent);border-bottom:1px solid #e1d6c8;flex-wrap:wrap;align-items:center;gap:10px;max-width:1020px;margin:auto;padding:12px 0;display:flex;position:sticky;top:0}._rail_ylt0n_2>span{color:var(--eq-muted);margin-left:auto;font-size:13px}._page_ylt0n_1 button,._page_ylt0n_1 a{touch-action:manipulation}._page_ylt0n_1 button{font:inherit;cursor:pointer;border:1px solid var(--eq-line);color:inherit;background:#f3e7d3;border-radius:9px;min-height:44px;padding:10px 16px}._page_ylt0n_1 button:hover{border-color:var(--topic-accent)}:is(._page_ylt0n_1 button:focus-visible,._page_ylt0n_1 a:focus-visible,._page_ylt0n_1 summary:focus-visible){outline:3px solid var(--topic-accent);outline-offset:4px}._page_ylt0n_1 button:disabled{opacity:.5;cursor:default}._page_ylt0n_1 button[aria-pressed=true]{background:var(--topic-tint);border:2px solid var(--topic-accent)}._page_ylt0n_1 button._primary_ylt0n_2,._page_ylt0n_1 a._primary_ylt0n_2{background:var(--topic-accent);color:#fff;border:0;border-bottom:4px solid 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p{max-width:760px;font-size:18px;line-height:1.65}._tabs_ylt0n_2{flex-wrap:wrap;gap:8px;margin:18px 0;display:flex}._beat_ylt0n_2{max-width:780px;min-height:100px;font-size:20px;line-height:1.65}._beat_ylt0n_2 h3{font-size:21px;font-weight:500}._beat_ylt0n_2 p{margin:8px 0 18px}._imageBox_ylt0n_2{margin:20px 0}._imageBox_ylt0n_2 img{object-fit:contain;background:var(--eq-sand);width:100%;height:auto;max-height:620px;display:block}._imageBox_ylt0n_2 figcaption{color:#6e645a;margin:10px 0;font-size:14px;line-height:1.5}._imageBox_ylt0n_2[data-zoom=true]{border:1px solid #d2c2b0;max-height:70vh;overflow:auto}._imageBox_ylt0n_2[data-zoom=true] img{width:1280px;max-width:none;max-height:none}._workingList_ylt0n_2{margin:20px 0;padding:0;list-style:none}._workingList_ylt0n_2 li{overflow-wrap:anywhere;border-bottom:1px solid #e7dccc;padding:14px 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#d9cbbd;margin:24px 0;padding:20px 0}._archive_ylt0n_2 summary,._section_ylt0n_2 summary{cursor:pointer;min-height:44px;padding:8px 0}._archive_ylt0n_2 article{border-top:1px solid #e2d7ca;padding:18px 0}._modalBackdrop_ylt0n_2{z-index:50;background:#28231f80;place-items:center;padding:20px;display:grid;position:fixed;inset:0}._dialog_ylt0n_2{background:var(--eq-sand);box-sizing:border-box;border-radius:18px;width:min(480px,100%);padding:28px}._dialog_ylt0n_2 h2{font-size:25px;font-weight:500}._dialog_ylt0n_2 p{font-size:17px;line-height:1.5}._model_ylt0n_2{border-top:1px solid #ddd1c2;margin:20px 0;padding:20px 0}._model_ylt0n_2 p{font-size:17px;line-height:1.55}._model_ylt0n_2 output{color:var(--topic-accent);margin:20px 0;font-size:19px;line-height:1.6;display:block}._modelSvg_ylt0n_2{width:100%;height:auto;max-height:410px;display:block;overflow:visible}._modelSvg_ylt0n_2 line,._modelSvg_ylt0n_2 polyline,._modelSvg_ylt0n_2 rect{stroke:currentColor;stroke-width:2px}._modelSvg_ylt0n_2 circle{fill:var(--topic-accent)}._modelSvg_ylt0n_2 text{fill:currentColor;stroke:none;font-family:inherit;font-size:17px}._slider_ylt0n_2{margin:18px 0;font-size:17px;display:block}._slider_ylt0n_2 input{accent-color:var(--topic-accent);width:100%;min-height:44px;margin-top:8px;display:block}._dot_ylt0n_2{background:var(--topic-accent);border-radius:50%;flex-shrink:0;width:14px;height:14px;display:inline-block}._dot_ylt0n_2[data-filled=false]{background:#e2dacf}._dotRow_ylt0n_2{flex-wrap:wrap;gap:7px;margin:12px 0;display:flex}._array_ylt0n_2{gap:7px;width:max-content;max-width:100%;margin:20px auto;display:grid}._groupModels_ylt0n_2{flex-wrap:wrap;gap:14px;display:flex}._groupModels_ylt0n_2>div{border:1px solid #ccbba7;border-radius:12px;min-width:110px;max-width:210px;padding:16px}._parts_ylt0n_2{flex-wrap:wrap;gap:5px;margin:15px 0;display:flex}._parts_ylt0n_2 span{border:1px solid var(--topic-accent);text-align:center;background:var(--topic-tint);min-width:16px;padding:10px}._hundred_ylt0n_2{grid-template-columns:repeat(10,14px);gap:8px;width:max-content;max-width:100%;margin:18px auto;display:grid}._fractions_ylt0n_2{grid-template-columns:1fr 1fr;gap:18px;display:grid}._fractionWhole_ylt0n_2{border:1px solid var(--topic-accent);width:100%;height:80px;margin-bottom:12px;display:flex}._fractionWhole_ylt0n_2 span{box-sizing:border-box;border-right:1px solid #7d6b60}._markButtons_ylt0n_2,._numberChips_ylt0n_2{flex-wrap:wrap;gap:8px;margin:18px 0;display:flex}._scrollTable_ylt0n_2{margin:20px 0;overflow:auto}._scrollTable_ylt0n_2 table{border-collapse:collapse;width:100%;font-size:17px}._scrollTable_ylt0n_2 td,._scrollTable_ylt0n_2 th{text-align:left;border:1px solid #d7c8b8;min-width:75px;padding:13px}._scrollTable_ylt0n_2 tr[data-selected=true]{background:var(--topic-tint)}._barRows_ylt0n_2{gap:10px;display:grid}._barRows_ylt0n_2 button{text-align:left;grid-template-columns:minmax(85px,1fr) 3fr 40px;align-items:center;gap:12px;display:grid}._barTrack_ylt0n_2{background:#eee6dc;height:22px}._barTrack_ylt0n_2 i{background:var(--topic-accent);height:100%;display:block}._probTrack_ylt0n_2{background:#b5a491;height:4px;margin:32px 12px 18px;position:relative}._probTrack_ylt0n_2 i{background:var(--topic-accent);border-radius:50%;width:18px;height:18px;position:absolute;top:-7px;transform:translate(-50%)}._ends_ylt0n_2{justify-content:space-between;font-size:14px;display:flex}._library_ylt0n_2{margin:26px 0}._libraryNav_ylt0n_2{flex-wrap:wrap;gap:9px;margin:20px 0;display:flex}._libraryNav_ylt0n_2 a{color:inherit;border-bottom:2px solid #0000;padding:10px 14px;text-decoration:none}._libraryNav_ylt0n_2 a[aria-current=page]{border-color:var(--topic-accent)}._catalogue_ylt0n_2{gap:0;margin:24px 0;display:grid}._lessonRow_ylt0n_2{border-top:1px solid #ddd1c1;grid-template-columns:54px 1fr auto;align-items:center;gap:20px;padding:22px 0;display:grid}._lessonRow_ylt0n_2 ._index_ylt0n_2{color:var(--topic-accent);font-family:Georgia,serif;font-size:20px}._lessonRow_ylt0n_2 h3{margin:5px 0;font-size:22px;font-weight:500;line-height:1.35}._lessonRow_ylt0n_2 h3 a{color:inherit;text-decoration:none}._lessonRow_ylt0n_2 p{max-width:740px;margin:6px 0;font-size:15px;line-height:1.5}._lessonRow_ylt0n_2 ._link_ylt0n_2{min-height:44px;color:var(--topic-accent);align-items:center;gap:10px;text-decoration:none;display:flex}._filters_ylt0n_2{flex-wrap:wrap;gap:8px;margin:24px 0;display:flex}._filters_ylt0n_2 button{font-size:14px}._library_ylt0n_2 input[type=search],._library_ylt0n_2 select{font:inherit;box-sizing:border-box;background:#f3e7d3;border:1px solid #cfc0ac;border-radius:8px;max-width:100%;min-height:46px;padding:10px}._librarySearch_ylt0n_2{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:18px;display:flex}._librarySearch_ylt0n_2 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table{font-size:15px}._scrollTable_ylt0n_2 td,._scrollTable_ylt0n_2 th{padding:8px}._lessonRow_ylt0n_2{grid-template-columns:35px 1fr;gap:12px}._lessonRow_ylt0n_2 h3{font-size:21px}._lessonRow_ylt0n_2>._link_ylt0n_2{grid-column:2;justify-self:start}._fractions_ylt0n_2{gap:10px}._feedback_ylt0n_2{padding:16px}._feedbackRow_ylt0n_2{gap:12px}._feedbackRow_ylt0n_2>span{width:52px}._modelSvg_ylt0n_2{min-height:150px}._imageBox_ylt0n_2 img{max-height:none}}@media (prefers-reduced-motion:reduce){._page_ylt0n_1 *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}._paper_ylt0n_2:not([open]){padding:12px 20px}._paper_ylt0n_2 summary{cursor:pointer;align-content:center;min-height:44px}._paper_ylt0n_2[open] summary{margin-bottom:20px}._lessonRow_ylt0n_2[data-saved-record=true]{align-items:start}._lessonRow_ylt0n_2[data-saved-record=true]>._index_ylt0n_2{padding-top:8px;font-family:inherit}._lessonRow_ylt0n_2 ._index_ylt0n_2{font-family:inherit}._library_ylt0n_2 input[type=search]{width:260px}._lessonRow_ylt0n_2>div{min-width:0}._lessonRow_ylt0n_2 ._section_ylt0n_2 p{font-size:16px}._page_ylt0n_1{background:var(--eq-sand);color:var(--eq-cocoa)}._header_ylt0n_2{background:var(--eq-cocoa);color:#f3e7d3;box-sizing:border-box;border:0;border-radius:16px;padding:12px 20px}._header_ylt0n_2 .equavo-brand-wordmark{color:#f3e7d3}._header_ylt0n_2 a:focus-visible{outline-color:var(--eq-warm)}._rail_ylt0n_2{background:var(--eq-warm);border:1px solid var(--eq-line);box-sizing:border-box;border-radius:12px;padding:10px 16px}._rail_ylt0n_2>span{color:#594335}._page_ylt0n_1 button._primary_ylt0n_2,._page_ylt0n_1 a._primary_ylt0n_2{background:var(--eq-cocoa);color:#f3e7d3;border-bottom-color:#291c16}._page_ylt0n_1 button._primary_ylt0n_2:not(:disabled):hover,._page_ylt0n_1 a._primary_ylt0n_2:hover{background:var(--eq-hover)}._page_ylt0n_1 :is(input[type=text],input[type=number],textarea,select){color:var(--eq-cocoa);border-color:var(--eq-line);background:#f3e7d3}._paper_ylt0n_2,._menu_ylt0n_2,._dialog_ylt0n_2{border-color:var(--eq-line)}._paper_ylt0n_2{background:var(--eq-surface-cream);border-color:var(--eq-line);border-radius:14px;border-radius:var(--eq-panel-radius)}._rail_ylt0n_2{background:var(--eq-surface-cream);border-color:var(--eq-line)}._page_ylt0n_1 button._primary_ylt0n_2,._page_ylt0n_1 a._primary_ylt0n_2{background:var(--eq-cocoa);color:var(--eq-cream);border-radius:var(--eq-control-radius)}