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var(--page-canvas-ink) 72%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption);display:flex}._catalogCoverageSummary_1pfzc_160 strong{color:var(--page-highlight);font-size:var(--text-heading)}._catalogCoverageGrid_1pfzc_175{gap:var(--space-3);margin-top:var(--space-3);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}._catalogCoverageGrid_1pfzc_175 article{min-height:156px;padding:var(--space-4);border:1px solid color-mix(in srgb, var(--page-canvas-ink) 34%, transparent);background:color-mix(in srgb, var(--page-canvas-ink) 7%, transparent);flex-direction:column;align-items:flex-start;display:flex}._catalogCoverageGrid_1pfzc_175 article>span{color:var(--page-highlight);font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:600}._catalogCoverageGrid_1pfzc_175 h3{margin:var(--space-2) 0 var(--space-4);font-size:var(--text-body);line-height:1.2}._catalogCoverageLinks_1pfzc_205{align-items:flex-start;gap:2px 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span{display:block}._libraryCount_1pfzc_309 strong{color:var(--page-highlight);font-family:var(--font-display);font-size:clamp(1.7rem,3.4vw,2.6rem);line-height:.9}._libraryCount_1pfzc_309 span{margin-top:var(--space-1);color:color-mix(in srgb, var(--page-canvas-ink) 70%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:600}._libraryDisclosure_1pfzc_336{align-items:center;gap:var(--space-2) var(--space-5);margin:0 0 var(--space-3);padding:var(--space-3) var(--space-3);border:1px solid color-mix(in srgb, var(--page-canvas-ink) 28%, transparent);background:color-mix(in srgb, var(--page-canvas-ink) 6%, transparent);color:color-mix(in srgb, var(--page-canvas-ink) 82%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption);flex-wrap:wrap;display:flex}._libraryDisclosure_1pfzc_336>p{max-width:78ch;margin:0}._libraryDisclosure_1pfzc_336>p:first-child strong{color:var(--page-highlight)}._controls_1pfzc_359{gap:var(--space-3);padding:0 0 var(--space-5);border:0;border-bottom:1px solid color-mix(in srgb, var(--page-canvas-ink) 30%, transparent);box-shadow:none;background:0 0;grid-template-columns:minmax(0,1fr);scroll-margin-top:100px}._searchRow_1pfzc_370{align-items:end;gap:var(--space-3);grid-template-columns:minmax(0,1fr) auto;display:grid}._searchRow_1pfzc_370 ._searchField_1pfzc_377{grid-column:auto;min-width:0}._searchRow_1pfzc_370 ._filterActions_1pfzc_382{grid-column:auto}._areaSwitch_1pfzc_386{gap:var(--space-1);border:0;grid-column:1/-1;margin:0;padding:0;display:grid}._areaSwitch_1pfzc_386 legend{color:color-mix(in srgb, var(--page-canvas-ink) 75%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:600}._areaSwitch_1pfzc_386>div{border:1px solid color-mix(in srgb, var(--page-canvas-ink) 38%, transparent);gap:0;width:fit-content;display:flex}._areaSwitch_1pfzc_386 label{cursor:pointer;min-width:84px;display:block;position:relative}._areaSwitch_1pfzc_386 input{z-index:1;opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}._areaSwitch_1pfzc_386 label>span{min-height:44px;padding:var(--space-2) var(--space-3);border-right:1px solid color-mix(in srgb, var(--page-canvas-ink) 38%, transparent);color:color-mix(in srgb, var(--page-canvas-ink) 76%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption);justify-content:center;align-items:center;font-weight:600;display:flex}._areaSwitch_1pfzc_386 label:last-child>span{border-right:0}._areaSwitch_1pfzc_386 input:checked+span{background:var(--page-accent);color:var(--page-on-accent)}._areaSwitch_1pfzc_386 input:focus-visible+span{outline:3px solid var(--page-highlight);outline-offset:3px}._controls_1pfzc_359 label>span{color:color-mix(in srgb, var(--page-canvas-ink) 75%, transparent)}._controls_1pfzc_359 input,._controls_1pfzc_359 select{border:1px solid var(--pb-line);border-radius:var(--radius-sm);background:var(--page-surface);color:var(--page-ink)}._controls_1pfzc_359 input::placeholder{color:color-mix(in srgb, var(--pb-muted) 85%, var(--pb-panel-ink));opacity:1}._controls_1pfzc_359 option{background:var(--page-surface);color:var(--page-ink)}._courseTopicHint_1pfzc_477{color:color-mix(in srgb, var(--page-canvas-ink) 72%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption);grid-column:1/-1;margin:-2px 0 0}._moreFilters_1pfzc_485{border-top:1px solid color-mix(in srgb, var(--page-canvas-ink) 22%, 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button,._filterActions_1pfzc_382 a{min-height:38px;padding:var(--space-2) var(--space-3)}._filterActions_1pfzc_382 button,._filterActions_1pfzc_382 a,._loadMoreRows_1pfzc_552 button,._pagination_1pfzc_553 button,._nextPageFailure_1pfzc_554 button{min-height:var(--control-height);padding:var(--space-3) var(--space-5);border-radius:var(--radius-sm);background:var(--page-accent);color:var(--page-on-accent);cursor:pointer;font-size:var(--text-secondary);line-height:var(--leading-secondary);font-weight:var(--weight-medium);border:1px solid #0000;justify-content:center;align-items:center;display:inline-flex}._filterActions_1pfzc_382 a{border-color:var(--pb-line);background:var(--page-surface);color:var(--page-ink)}._controls_1pfzc_359 label>span,._areaSwitch_1pfzc_386 legend,._moreFilters_1pfzc_485>summary,._filterActions_1pfzc_382 button,._filterActions_1pfzc_382 a{font-size:var(--text-secondary);line-height:var(--leading-secondary);font-weight:var(--weight-medium);letter-spacing:normal;text-transform:none}._legend_1pfzc_588{padding:var(--space-1) 0 var(--space-3);margin:0}._page_1pfzc_1 .status-legend,._legend_1pfzc_588 .status-assisted{color:var(--page-canvas-ink)}._progressKey_1pfzc_492{width:fit-content;margin:var(--space-3) 0 var(--space-1);color:var(--page-canvas-ink)}._progressKey_1pfzc_492>summary{color:color-mix(in srgb, var(--page-canvas-ink) 82%, transparent)}._resultsHeading_1pfzc_615{width:fit-content;margin:var(--space-5) 0 0;color:var(--page-canvas-ink);font-size:clamp(1.7rem,3vw,2.35rem)}._resultsToolbar_1pfzc_622{justify-content:space-between;align-items:end;gap:var(--space-4);margin-top:var(--space-5);display:flex}._resultsToolbar_1pfzc_622 ._resultsHeading_1pfzc_615{margin-top:0}._resultSort_1pfzc_634{align-items:end;gap:var(--space-2);display:flex}._resultSort_1pfzc_634 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var(--space-1);border-radius:var(--radius-full);color:var(--page-accent-ink);font-size:var(--text-caption);line-height:var(--leading-caption);border:1px solid;font-weight:600;display:inline-flex}._learnerEvidence_1pfzc_738{min-width:0;color:color-mix(in srgb, var(--page-ink) 72%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption);flex-wrap:wrap;align-content:start;align-items:baseline;gap:2px 4px;display:flex}._learnerEvidence_1pfzc_738>strong{color:var(--page-ink);font-weight:var(--weight-medium)}._learnerEvidence_1pfzc_738 .mastery-status{width:fit-content;max-width:fit-content;margin-bottom:var(--space-1);flex-basis:100%;order:-1}._learnerEvidenceUnavailable_1pfzc_764{color:color-mix(in srgb, var(--page-ink) 70%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption)}._identity_1pfzc_770>span:first-child{width:fit-content;padding:3px var(--space-2);border-left:3px solid var(--page-accent);color:var(--page-accent-strong);font-size:var(--text-caption);line-height:var(--leading-caption);letter-spacing:.04em;background:0 0;flex-wrap:wrap;align-items:center;gap:2px;display:flex}._favoriteButton_1pfzc_785{min-width:88px;min-height:44px;margin-top:var(--space-3);padding:var(--space-2) var(--space-3);border:2px solid var(--page-ink);background:var(--page-surface);color:var(--page-ink);cursor:pointer;font-size:var(--text-caption);line-height:var(--leading-caption);justify-content:center;align-items:center;font-weight:600;display:inline-flex}._favoriteButton_1pfzc_785[data-saved=true]{background:var(--page-accent);color:var(--page-on-accent)}._favoriteButton_1pfzc_785:disabled{cursor:wait;opacity:.7}._favoriteButton_1pfzc_785:focus-visible{outline:3px solid var(--page-highlight);outline-offset:3px}._favoriteUnavailable_1pfzc_817{width:fit-content;margin-top:var(--space-3);color:color-mix(in srgb, var(--page-ink) 72%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:600;display:block}._identity_1pfzc_770>h3{margin-top:var(--space-2);font-size:var(--text-secondary);line-height:var(--leading-secondary);margin-bottom:0}._previewHeading_1pfzc_834{width:100%}._previewTrigger_1pfzc_838{overscroll-behavior-inline:contain;width:100%;min-width:0;min-height:44px;color:inherit;cursor:pointer;font:inherit;text-align:left;background:0 0;border:0;align-content:center;padding:0;display:grid;overflow:auto hidden}:is(._previewTrigger_1pfzc_838:hover ._previewTitle_1pfzc_856,._previewTrigger_1pfzc_838:focus-visible ._previewTitle_1pfzc_856){color:var(--page-accent-strong);text-underline-offset:4px;text-decoration:underline}._previewTrigger_1pfzc_838:focus-visible{outline:3px solid var(--page-accent);outline-offset:4px}._previewMeta_1pfzc_868{align-items:center;gap:var(--space-1);width:fit-content;margin-bottom:var(--space-2);padding:3px var(--space-2);border-left:3px solid var(--page-accent);color:var(--page-accent-strong);font-size:var(--text-caption);line-height:var(--leading-caption);letter-spacing:.04em;flex-wrap:wrap;font-weight:600;display:flex}._previewTitle_1pfzc_856{min-width:0;max-width:100%;font-family:Georgia,Times New Roman,ui-serif,serif;font-size:var(--text-body);font-weight:var(--weight-semibold);line-height:1.42}._previewTitle_1pfzc_856 .math-markup{white-space:normal;max-width:100%;overflow:visible}._previewTitle_1pfzc_856 .katex{font-size:1em}._previewTrigger_1pfzc_838:after{content:"View problem statement";margin-top:var(--space-1);color:color-mix(in srgb, var(--page-ink) 64%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:600}._previewTrigger_1pfzc_838[data-statement=coming-soon]:after{content:"Statement coming soon"}._previewTrigger_1pfzc_838[data-statement=access-options]:after{content:"View access options"}._previewAvailable_1pfzc_920{cursor:default}._previewAvailable_1pfzc_920:after{content:none}._previewOpenButton_1pfzc_928{width:fit-content;min-height:44px;margin-top:var(--space-1);padding:var(--space-2) 0;color:color-mix(in srgb, var(--page-ink) 76%, transparent);cursor:pointer;font:inherit;font-size:var(--text-caption);line-height:var(--leading-caption);text-align:left;background:0 0;border:0;font-weight:600}._previewAvailable_1pfzc_920:focus-within ._previewTitle_1pfzc_856{color:var(--page-accent-strong);text-underline-offset:4px;text-decoration:underline}._previewOpenButton_1pfzc_928:focus-visible{outline:3px solid var(--page-accent);outline-offset:4px}._previewUnavailable_1pfzc_955{cursor:default}._previewUnavailable_1pfzc_955:after{content:"Availability not loaded"}._previewUnavailable_1pfzc_955:hover ._previewTitle_1pfzc_856{color:inherit;text-decoration:none}._tags_1pfzc_968{gap:var(--space-1);margin-top:var(--space-2);flex-wrap:wrap;display:flex}._tags_1pfzc_968 span{padding:2px var(--space-2);border:1px solid var(--pb-line);border-radius:var(--radius-sm);color:color-mix(in srgb, var(--page-ink) 78%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:var(--weight-regular);background:0 0}._privateTags_1pfzc_986{align-items:center;gap:var(--space-1);margin-top:var(--space-2);font-size:var(--text-caption);line-height:var(--leading-caption);flex-wrap:wrap;display:flex}._privateTags_1pfzc_986 strong{color:var(--page-accent-strong);margin-right:2px;font-weight:600}._privateTags_1pfzc_986 span{padding:3px var(--space-2);border:1px dashed color-mix(in srgb, var(--page-ink) 42%, transparent);overflow-wrap:anywhere;background:0 0}._privateTags_1pfzc_986[data-state=empty] span,._privateTags_1pfzc_986[data-state=unavailable] span{opacity:.7;background:0 0;border:0}._privateTagActions_1pfzc_1016{align-items:center;gap:var(--space-3);margin:var(--space-3) 0;color:var(--page-canvas-ink);font-size:var(--text-caption);line-height:var(--leading-caption);flex-wrap:wrap;display:flex}._privateTagActions_1pfzc_1016 button,._privateTagDialog_1pfzc_1028 button{min-height:44px;padding:var(--space-2) var(--space-3);border:2px solid var(--page-ink);background:var(--page-accent);color:var(--page-on-accent);cursor:pointer;font:inherit;font-weight:600}._privateTagActions_1pfzc_1016 button{border:1px solid var(--pb-line);border-radius:var(--radius-sm);background:var(--page-surface);color:var(--page-ink);font-weight:var(--weight-medium)}._privateTagActions_1pfzc_1016 button:disabled,._privateTagDialog_1pfzc_1028 button:disabled{cursor:wait;opacity:.65}:is(._privateTagActions_1pfzc_1016 button:focus-visible,._privateTagDialog_1pfzc_1028 button:focus-visible,._privateTagDialog_1pfzc_1028 input:focus-visible,._privateTagDialog_1pfzc_1028 select:focus-visible){outline:3px solid var(--page-highlight);outline-offset:3px}._privateTagDialog_1pfzc_1028{border:1px solid var(--pb-line);background:var(--page-surface);width:min(680px,100vw - 24px);max-height:min(820px,100dvh - 24px);color:var(--page-ink);box-shadow:var(--pb-shadow);margin:auto;padding:clamp(18px,3vw,28px);overflow:auto}._privateTagDialog_1pfzc_1028::backdrop{background:color-mix(in srgb, var(--pb-canvas) 72%, transparent)}._problemPreviewDialog_1pfzc_1079{border:1px solid var(--pb-line);background:var(--page-surface);width:min(780px,100vw - 24px);max-height:min(820px,100dvh - 24px);color:var(--page-ink);box-shadow:var(--pb-shadow);margin:auto;padding:clamp(20px,3vw,32px);overflow:auto}._problemPreviewDialog_1pfzc_1079::backdrop{background:color-mix(in srgb, var(--pb-canvas) 72%, transparent)}._problemPreviewDialog_1pfzc_1079>header>span{color:var(--page-accent-strong);font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:600}._problemPreviewDialog_1pfzc_1079>header h2{margin:var(--space-1) 0;font-family:var(--font-display);font-size:clamp(1.45rem,4vw,2.15rem)}._problemPreviewDialog_1pfzc_1079>header p{margin:0 0 var(--space-4);color:color-mix(in srgb, var(--page-ink) 68%, transparent);line-height:1.45}._problemPreviewContent_1pfzc_1114{gap:var(--space-4);min-width:0;display:grid}._problemPreviewMathTitle_1pfzc_1120{min-width:0;padding-bottom:var(--space-3);border-bottom:1px solid color-mix(in srgb, var(--page-ink) 24%, transparent);margin:0;font-family:Georgia,Times New Roman,ui-serif,serif;font-size:clamp(1.05rem,2.5vw,1.3rem);line-height:1.45}._problemPreviewMathTitle_1pfzc_1120 .math-markup{max-width:100%}._previewLoading_1pfzc_1134{gap:var(--space-3);display:grid}._previewSkeleton_1pfzc_1139{gap:var(--space-3);border:2px solid var(--page-ink);background:var(--page-surface);padding:clamp(16px,3vw,24px);display:grid}._previewSkeleton_1pfzc_1139 span{background:linear-gradient(90deg, color-mix(in srgb, var(--page-ink) 10%, var(--page-surface)), color-mix(in srgb, var(--page-ink) 20%, var(--page-surface)), color-mix(in srgb, var(--page-ink) 10%, var(--page-surface)));background-size:220% 100%;border-radius:2px;height:14px;animation:1.25s ease-in-out infinite _problem-preview-skeleton_1pfzc_1;display:block}._previewSkeleton_1pfzc_1139 span:first-child{width:44%}._previewSkeleton_1pfzc_1139 span:nth-child(2){width:94%}._previewSkeleton_1pfzc_1139 span:nth-child(3){width:82%}._previewSkeleton_1pfzc_1139 span:nth-child(4){width:63%}@keyframes _problem-preview-skeleton_1pfzc_1{0%{background-position:100% 0}to{background-position:-100% 0}}@media (prefers-reduced-motion:reduce){._previewSkeleton_1pfzc_1139 span{background-position:0 0;animation:none}}._problemPreviewContent_1pfzc_1114>.math-markup{border:2px solid var(--page-ink);background:var(--page-surface);color:var(--page-ink);padding:clamp(16px,3vw,24px);font-family:Georgia,Times New Roman,serif;font-size:clamp(.98rem,2vw,1.12rem);line-height:1.7}._problemPreviewContent_1pfzc_1114>p,._previewError_1pfzc_1205 p{margin:0;line-height:1.6}._previewError_1pfzc_1205{gap:var(--space-3);display:grid}._problemPreviewActions_1pfzc_1215,._previewError_1pfzc_1205{align-items:center}._problemPreviewActions_1pfzc_1215{gap:var(--space-3);padding-top:var(--space-1);border-top:1px solid color-mix(in srgb, var(--page-ink) 24%, transparent);flex-wrap:wrap;display:flex}._problemPreviewActions_1pfzc_1215 a,._problemPreviewActions_1pfzc_1215 button,._previewError_1pfzc_1205 button{min-height:44px;padding:var(--space-2) var(--space-3);border:2px solid var(--page-ink);background:var(--page-accent);color:var(--page-on-accent);cursor:pointer;font:inherit;font-size:var(--text-caption);line-height:var(--leading-caption);justify-content:center;align-items:center;font-weight:600;display:inline-flex}._problemPreviewActions_1pfzc_1215 button{background:var(--page-surface);color:var(--page-ink)}:is(._problemPreviewActions_1pfzc_1215 a:focus-visible,._problemPreviewActions_1pfzc_1215 button:focus-visible,._previewError_1pfzc_1205 button:focus-visible){outline:3px solid var(--page-highlight);outline-offset:3px}._privateTagDialog_1pfzc_1028>header>span{color:var(--page-accent-strong);font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:600}._privateTagDialog_1pfzc_1028>header h2{margin:var(--space-1) 0;font-family:var(--font-display);font-size:clamp(1.45rem,4vw,2.1rem)}._privateTagDialog_1pfzc_1028>header p{margin:0 0 var(--space-4);line-height:1.5}._privateTagDialog_1pfzc_1028 form,._privateTagDialog_1pfzc_1028 label{gap:var(--space-2);display:grid}._privateTagDialog_1pfzc_1028 form{gap:var(--space-4)}._privateTagDialog_1pfzc_1028 label>span,._privateTagEditorList_1pfzc_1287>strong{font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:600}._privateTagDialog_1pfzc_1028 input,._privateTagDialog_1pfzc_1028 select{width:100%;min-height:44px;padding:var(--space-2) var(--space-3);border:2px solid var(--page-ink);background:var(--pb-reading);color:var(--pb-panel-ink);font:inherit}._privateTagDialog_1pfzc_1028 form>p,._privateTagEditorList_1pfzc_1287 p{font-size:var(--text-caption);line-height:var(--leading-caption);margin:0}._privateTagEditorList_1pfzc_1287{gap:var(--space-2);display:grid}._privateTagEditorList_1pfzc_1287 ul{gap:var(--space-2);margin:0;padding:0;list-style:none;display:grid}._privateTagEditorList_1pfzc_1287 li{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-2);border:1px dashed var(--page-ink);display:flex}._privateTagEditorList_1pfzc_1287 li span{overflow-wrap:anywhere}._privateTagEditorList_1pfzc_1287 li button{background:var(--page-surface);color:var(--page-ink);flex:none}._privateTagDialogActions_1pfzc_1343{gap:var(--space-3);flex-wrap:wrap;display:flex}._privateTagDialogActions_1pfzc_1343 button:last-child{background:var(--page-surface);color:var(--page-ink)}._loadMoreRows_1pfzc_552{justify-content:center;align-items:center;gap:var(--space-3);min-height:56px;padding:var(--space-3) var(--space-4);border-top:1px solid var(--page-ink);flex-wrap:wrap;display:flex}._loadMoreRows_1pfzc_552 button{border:2px solid var(--page-on-highlight);background:var(--page-highlight);color:var(--page-on-highlight);font:inherit;font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:600}._loadMoreRows_1pfzc_552 button:focus-visible{outline:3px solid var(--page-highlight);outline-offset:3px}._loadMoreRows_1pfzc_552 button:disabled{cursor:default;opacity:.72}._loadMoreRows_1pfzc_552 span{color:var(--page-canvas-ink);font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:var(--weight-semibold)}._pagination_1pfzc_553{align-items:center;gap:var(--space-3);margin-top:var(--space-4);flex-wrap:wrap;display:flex}._pageButtons_1pfzc_1400{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}._pageButtons_1pfzc_1400 button{min-width:44px;padding-inline:var(--space-3)}._pageButtons_1pfzc_1400 button[aria-current=page]:disabled{background:var(--page-highlight);color:var(--page-on-highlight);cursor:default;opacity:1}._pageEllipsis_1pfzc_1419{text-align:center;min-width:20px;color:var(--page-canvas-ink)}._pagination_1pfzc_553>span{color:var(--page-canvas-ink)}._pagination_1pfzc_553 span,._projectionNotice_1pfzc_1437,._nextPageFailure_1pfzc_554{font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:var(--weight-regular)}._libraryStatus_1pfzc_1444{align-items:baseline;gap:var(--space-1) var(--space-2);margin:var(--space-2) 0 0;padding:var(--space-2) 0;border-bottom:1px solid color-mix(in srgb, var(--page-canvas-ink) 24%, transparent);color:color-mix(in srgb, var(--page-canvas-ink) 76%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption);flex-wrap:wrap;display:flex}._libraryStatus_1pfzc_1444 strong{color:var(--page-highlight)}._libraryStatus_1pfzc_1444 a{color:var(--page-highlight);font-weight:600}._libraryStatus_1pfzc_1444 a,._projectionNotice_1pfzc_1437 a{padding-block:5px}._favoriteStatus_1pfzc_1474,._favoriteError_1pfzc_1475{margin:var(--space-3) 0;padding:var(--space-3) var(--space-3);border:2px solid var(--page-ink);background:var(--page-surface);color:var(--page-ink);font-size:var(--text-caption);line-height:var(--leading-caption);font-weight:600}._favoriteError_1pfzc_1475{border-color:var(--page-accent-strong);box-shadow:inset 5px 0 0 var(--page-accent-strong)}._pagination_1pfzc_553 button:disabled{cursor:wait;opacity:.7}._projectionNotice_1pfzc_1437,._nextPageFailure_1pfzc_554{padding:var(--space-3) var(--space-3);border:1px solid var(--pb-line);border-radius:var(--radius-sm);background:var(--page-surface);color:var(--page-ink)}._estimateNotice_1pfzc_1505{font-size:var(--text-caption);line-height:var(--leading-caption);text-transform:none}._estimateNotice_1pfzc_1505 strong{color:var(--page-accent-strong)}._nextPageFailure_1pfzc_554{align-items:center;gap:var(--space-3);margin-top:var(--space-3);flex-wrap:wrap;display:flex}._catalogAd_1pfzc_1523{align-items:center;gap:var(--space-4);margin-top:var(--space-5);padding:var(--space-4) var(--space-4);border:1px solid color-mix(in srgb, var(--page-on-ink) 42%, transparent);background:color-mix(in srgb, var(--page-ink) 92%, transparent);color:var(--page-on-ink);grid-template-columns:minmax(0,1fr) auto;display:grid}._catalogAdCopy_1pfzc_1544{min-width:0}._catalogAdMeta_1pfzc_1548{width:fit-content;margin-bottom:var(--space-1);padding:2px var(--space-2);color:color-mix(in srgb, var(--page-on-ink) 70%, transparent);font-size:var(--text-caption);line-height:var(--leading-caption);border:1px solid;font-weight:600;display:block}._catalogAd_1pfzc_1523 strong{font-family:var(--font-display);font-size:var(--text-subheading);line-height:1.2;display:block}._catalogAd_1pfzc_1523 p{max-width:840px;margin:var(--space-1) 0 0;color:color-mix(in srgb, var(--page-on-ink) 76%, transparent);font-family:Georgia,Times New Roman,serif;font-size:var(--text-caption);line-height:var(--leading-caption)}._catalogAdAction_1pfzc_1576{min-height:44px;padding:var(--space-2) var(--space-3);border:1px solid var(--page-highlight);color:var(--page-on-ink);font-size:var(--text-caption);line-height:var(--leading-caption);background:0 0;justify-content:center;align-items:center;font-weight:600;display:inline-flex}._catalogAdAction_1pfzc_1576:hover{background:var(--page-highlight);color:var(--page-on-highlight)}._catalogAdAction_1pfzc_1576:focus-visible{outline:3px solid var(--page-highlight);outline-offset:2px}@media (max-width:1260px){._controls_1pfzc_359{grid-template-columns:minmax(0,1fr)}._moreFilterGrid_1pfzc_528{grid-template-columns:repeat(3,minmax(150px,1fr))}._row_1pfzc_709{grid-template-columns:minmax(230px,1.35fr) minmax(190px,1fr) 155px}}@media (max-width:980px){._row_1pfzc_709{grid-template-columns:minmax(230px,1.3fr) minmax(190px,1fr) 150px}}@media (max-width:760px){._libraryHeader_1pfzc_246{align-items:flex-start;gap:var(--space-3);flex-direction:column}._libraryCount_1pfzc_309{min-width:0}._controls_1pfzc_359{grid-template-columns:minmax(0,1fr)}._moreFilterGrid_1pfzc_528{grid-template-columns:1fr 1fr}._row_1pfzc_709{grid-template-columns:1fr auto}._row_1pfzc_709>.problem-classification{grid-column:1/-1}._row_1pfzc_709>.mastery-status{grid-area:3/2}._learnerEvidence_1pfzc_738,._learnerEvidenceUnavailable_1pfzc_764{text-align:right;grid-area:3/2;justify-content:flex-end;justify-self:end}._learnerEvidence_1pfzc_738 .mastery-status{margin-inline-start:auto}._resultCount_1pfzc_684 a{min-height:44px}._resultsToolbar_1pfzc_622,._resultSort_1pfzc_634{flex-direction:column;align-items:stretch}._resultSort_1pfzc_634 select,._resultSort_1pfzc_634 button,._pageButtons_1pfzc_1400{width:100%}._nextPageFailure_1pfzc_554,._pagination_1pfzc_553{flex-direction:column;align-items:flex-start}._catalogAd_1pfzc_1523{grid-template-columns:1fr}._catalogAdAction_1pfzc_1576{width:fit-content}}@media (max-width:430px){._searchRow_1pfzc_370{grid-template-columns:minmax(0,1fr)}._controls_1pfzc_359,._moreFilterGrid_1pfzc_528{grid-template-columns:1fr}._areaSwitch_1pfzc_386>div{width:100%}._areaSwitch_1pfzc_386 label{flex:1 1 0;min-width:0}._problemPreviewActions_1pfzc_1215>*,._previewError_1pfzc_1205 button{width:100%}}@media (forced-colors:active){._favoriteButton_1pfzc_785,._favoriteStatus_1pfzc_1474,._favoriteError_1pfzc_1475,._privateTags_1pfzc_986 span,._privateTagActions_1pfzc_1016 button,._privateTagDialog_1pfzc_1028,._problemPreviewDialog_1pfzc_1079,._privateTagDialog_1pfzc_1028 button,._privateTagDialog_1pfzc_1028 input,._privateTagDialog_1pfzc_1028 select,._problemPreviewDialog_1pfzc_1079,._problemPreviewDialog_1pfzc_1079 button,._problemPreviewDialog_1pfzc_1079 a{border-color:buttontext}._moreFilters_1pfzc_485>summary,._progressKey_1pfzc_492>summary,._libraryDisclosure_1pfzc_336>summary{color:linktext}._libraryDisclosure_1pfzc_336>summary:focus-visible{outline-color:highlight}._catalogAd_1pfzc_1523,._catalogAdMeta_1pfzc_1548,._catalogAdAction_1pfzc_1576{border-color:canvastext}._catalogAdAction_1pfzc_1576:focus-visible{outline-color:highlight}._favoriteButton_1pfzc_785[data-saved=true]{color:highlighttext;background:highlight}._privateTagDialog_1pfzc_1028::backdrop{opacity:.75;background:canvas}._problemPreviewDialog_1pfzc_1079::backdrop{opacity:.75;background:canvas}}._loadingShapes_1pfzc_1791{color:var(--page-canvas-ink);padding-block:var(--space-3)}