.reading-scale_controls__ATZlW{display:inline-flex;align-items:center;flex:none;gap:7px;color:var(--ink);font:500 13px/1.4 system-ui,sans-serif}.reading-scale_pill__qtHsH{display:inline-flex;align-items:center;gap:2px;padding:2px 5px;border:1px solid var(--line);border-radius:999px;background:var(--paper)}.reading-scale_pill__qtHsH button{display:grid;place-items:center;width:26px;height:28px;padding:0;border:0;border-radius:50%;background:transparent;color:inherit;font:inherit;font-size:18px;cursor:pointer}.reading-scale_pill__qtHsH button:hover:not(:disabled){color:var(--accent);background:var(--accent-soft)}.reading-scale_controls__ATZlW button:disabled{opacity:.4;cursor:default}.reading-scale_percent__UdNnT{display:flex;align-items:center;gap:1px;font-variant-numeric:tabular-nums}.reading-scale_percent__UdNnT input{width:40px;height:28px;min-width:0;padding:0 1px;border:0;border-radius:2px;color:inherit;background:transparent;text-align:right;font:inherit;font-variant-numeric:tabular-nums}.reading-scale_percent__UdNnT input:focus-visible{outline:none;box-shadow:inset 0 -1px var(--accent)}.reading-scale_controls__ATZlW button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.reading-scale_action__ntZtR{flex:none;width:32px;padding:0;border:0;background:transparent;color:var(--muted);font:inherit;font-size:12px;cursor:pointer;white-space:nowrap}.reading-scale_action__ntZtR:hover:not(:disabled){color:var(--accent)}@media (max-width:600px){.reading-scale_controls__ATZlW{gap:5px;font-size:12px}.reading-scale_pill__qtHsH{gap:0;padding-inline:4px}.reading-scale_pill__qtHsH button{width:22px;height:30px}.reading-scale_percent__UdNnT input{width:36px;height:30px}.reading-scale_action__ntZtR{width:28px}}.question-detail_detailPage__8N4fQ,.question-detail_statePage__DV5Ou{width:min(var(--container-workspace),calc(100% - 2 * var(--gutter)));margin:0 auto;padding:24px 0 48px}.question-detail_detailPage__8N4fQ{--focus-card-radius:18px;width:100%;box-sizing:border-box;padding:0 16px 16px}body:has(.question-detail_detailPage__8N4fQ){background:var(--focus-desk)}.question-detail_focusBar__KlwbE{min-height:64px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px}.question-detail_focusTitle__Dwula{min-width:0;display:flex;align-items:center;gap:12px}.question-detail_backLink__oSzlC{flex:0 0 auto;width:36px;height:36px;display:inline-grid;place-items:center;border-radius:999px;color:var(--ink-secondary);background:var(--paper)}.question-detail_backLink__oSzlC:hover{color:var(--accent-dark);background:var(--accent-soft)}.question-detail_focusTitle__Dwula h1{min-width:0;display:flex;align-items:baseline;gap:10px;margin:0;overflow:hidden;color:var(--ink);font-size:var(--text-lg);font-weight:800;line-height:1.3;letter-spacing:0;white-space:nowrap}.question-detail_focusTitle__Dwula h1 span{overflow:hidden;color:var(--muted);font-size:var(--text-sm);font-weight:500;text-overflow:ellipsis}.question-detail_focusNav__tQJeq{min-width:0;display:flex;align-items:center;justify-content:center;gap:8px}.question-detail_focusTools__K_4Lv{display:flex;align-items:center;justify-content:flex-end;gap:8px}.question-detail_pagerArrow__Z_KhS{flex:0 0 auto;width:36px;height:36px;display:inline-grid;place-items:center;border-radius:999px;color:var(--ink-secondary);background:var(--paper)}.question-detail_pagerArrow__Z_KhS:hover{color:var(--accent-dark);background:var(--accent-soft)}.question-detail_pagerArrow__Z_KhS[data-primary=true]{color:var(--on-accent);background:var(--accent)}.question-detail_pagerArrow__Z_KhS[data-primary=true]:hover{background:var(--accent-dark)}.question-detail_pagerArrow__Z_KhS[aria-disabled=true]{color:var(--disabled)}.question-detail_pagerArrow__Z_KhS>span{display:grid;place-items:center}.question-detail_pagerArrow__Z_KhS .link-pending svg{display:none}.question-detail_pagerArrow__Z_KhS .link-pending:after{width:15px;height:15px;margin:0;vertical-align:0}.question-detail_studyTiles__LY8_g .link-pending:after{display:none}.question-detail_pagerEnd__h603_{flex:0 0 auto;height:36px;display:inline-flex;align-items:center;padding:0 14px;border-radius:999px;color:var(--on-accent);background:var(--accent);font-size:var(--text-sm);font-weight:800;white-space:nowrap}.question-detail_focusNav__tQJeq .question-detail_studyStrip__Ow436,.question-detail_focusNav__tQJeq [data-review-strip]{min-width:0;flex:0 1 auto;margin:0;padding:4px 8px 4px 14px;border-radius:999px;background:var(--paper);box-shadow:none}.question-detail_focusNav__tQJeq .question-detail_studyTiles__LY8_g{-webkit-mask-image:linear-gradient(to right,transparent 0,var(--ink) 10px,var(--ink) calc(100% - 18px),transparent 100%);mask-image:linear-gradient(to right,transparent 0,var(--ink) 10px,var(--ink) calc(100% - 18px),transparent 100%);padding-inline:6px 14px}.question-detail_focusNav__tQJeq .question-detail_studyTiles__LY8_g a{min-width:28px;height:28px;padding:0 4px;font-size:12px}.question-detail_focusNav__tQJeq .question-detail_studyCount__WkOBP b{font-size:15px}.question-detail_focusNav__tQJeq .question-detail_browseNavigation__UQAUN{padding:4px;border:0;border-radius:999px}.question-detail_focusNav__tQJeq .question-detail_browseNavigation__UQAUN>a,.question-detail_focusNav__tQJeq .question-detail_browseNavigation__UQAUN>span[aria-disabled=true]{min-width:0;min-height:32px;padding:4px 14px;border:0;border-radius:999px}.question-detail_focusNav__tQJeq .question-detail_browseProgress__H9Dys{display:flex;align-items:baseline;gap:8px;padding:0 6px}.question-detail_studyFooter__UxHuV{flex:0 0 auto;min-height:56px;box-sizing:border-box;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 16px;border-top:1px solid var(--line-soft)}.question-detail_studyFooter__UxHuV .question-detail_answer__Dodic{flex:0 0 auto;min-height:32px;gap:8px;padding:0 14px;border-radius:999px;cursor:pointer;max-width:100%;box-sizing:border-box;flex-wrap:wrap}.question-detail_studyFooter__UxHuV .question-detail_answer__Dodic:has(.question-detail_answerCells__naoIG){flex-wrap:nowrap;gap:10px;padding:6px 10px 6px 14px;border-radius:16px}.question-detail_studyFooter__UxHuV .question-detail_answerCells__naoIG{min-width:0;flex:1 1 auto;justify-content:flex-start}.question-detail_studyFooter__UxHuV .question-detail_answer__Dodic[hidden],.question-detail_studyFooter__UxHuV[hidden]{display:none}.question-detail_studyFooter__UxHuV .question-detail_answer__Dodic strong{font-size:var(--text-lg)}.question-detail_lastChoice__JW53T{color:var(--danger);background:var(--tile-wrong-bg)}.question-detail_lastChoice__JW53T,.question-detail_noAnswer__ni_q6{flex:0 0 auto;height:32px;display:inline-flex;align-items:center;padding:0 12px;border-radius:999px;font-size:var(--text-sm);font-weight:700;white-space:nowrap}.question-detail_noAnswer__ni_q6{color:var(--ink-secondary);background:var(--sunken)}.question-detail_statsSlot__KuEin{flex:0 0 auto;margin-left:auto}.question-detail_tagRow__Hnz43{position:relative;min-width:0;flex:1 1 160px;display:flex;align-items:center;gap:6px;margin-left:4px}.question-detail_tagRow__Hnz43>.question-detail_questionTags__f9hhU{min-width:0;flex-wrap:nowrap;overflow:hidden}.question-detail_tagRow__Hnz43>.question-detail_questionTags__f9hhU>[hidden]{display:none}.question-detail_tagRow__Hnz43 .question-detail_questionMetaValue__2d_uA,.question-detail_tagRow__Hnz43 .question-detail_questionMeta__LL_Ou{flex:0 0 auto;flex-wrap:nowrap}.question-detail_tagRow__Hnz43 .question-detail_questionMetaLabel__pMFyt{white-space:nowrap}.question-detail_tagMoreWrap__oaqMy{flex:0 0 auto}.question-detail_tagMore__CzB1w{height:28px;padding:0 10px;border:0;border-radius:999px;color:var(--ink-soft);background:var(--sunken-strong);font-size:var(--text-sm);font-weight:700;cursor:pointer}.question-detail_tagPopover__0AC2w{position:absolute;left:0;bottom:calc(100% + 12px);z-index:20;box-sizing:border-box;width:max-content;max-width:100%;display:flex;flex-wrap:wrap;gap:8px 14px;padding:12px 14px;border-radius:14px;background:var(--paper);box-shadow:0 10px 30px color-mix(in srgb,transparent,var(--shadow-ink) 16%)}.question-detail_explanationCover__4KPq0{flex:1 1 auto;min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px;text-align:center}.question-detail_explanationCover__4KPq0 strong{color:var(--ink);font-size:var(--text-lg)}.question-detail_explanationCover__4KPq0 p{margin:0;color:var(--muted);font-size:var(--text-sm)}.question-detail_coverIcon__I8uRB{width:56px;height:56px;display:grid;place-items:center;border-radius:999px;color:var(--accent-dark);background:var(--accent-soft)}.question-detail_revealButton___unYB{height:44px;margin-top:6px;padding:0 22px;border:0;border-radius:999px;color:var(--on-accent);background:var(--accent);font-size:15px;font-weight:700;cursor:pointer}.question-detail_revealButton___unYB:hover{background:var(--accent-dark)}.question-detail_alwaysShow__sFDP6{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13px;cursor:pointer}.question-detail_explanationBody__SbfEw{min-width:0;display:contents}.question-detail_explanationBody__SbfEw[hidden]{display:none}.question-detail_questionTags__f9hhU{min-width:0;display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px}.question-detail_questionMeta__LL_Ou{display:inline-flex;flex-wrap:wrap;align-items:center;gap:6px 8px}.question-detail_questionMetaLabel__pMFyt{color:var(--muted);font-size:var(--text-sm);font-weight:500;line-height:28px}.question-detail_questionMetaValue__2d_uA{display:inline-flex;flex-wrap:wrap;align-items:center;gap:6px}.question-detail_questionMetaValue__2d_uA,.question-detail_questionMetaValue__2d_uA a{height:28px;display:inline-flex;align-items:center;padding:0 12px;border-radius:var(--radius-pill);color:var(--ink-soft);background:color-mix(in srgb,transparent,var(--inverse) 6%);font-size:var(--text-sm);font-weight:600;white-space:nowrap}.question-detail_questionMetaValue__2d_uA:has(a){height:auto;padding:0;background:transparent}.question-detail_questionMetaValue__2d_uA a{color:var(--accent-dark);background:var(--accent-soft)}.question-detail_questionMetaValue__2d_uA a:hover{background:var(--accent-soft-strong)}.question-detail_relatedPoint__I0eYt{display:contents}.question-detail_questionMetaValue__2d_uA .question-detail_relatedPoint__I0eYt a{color:var(--accent-muted);background:transparent;box-shadow:inset 0 0 0 1px var(--accent-line)}.question-detail_questionMetaValue__2d_uA .question-detail_relatedPoint__I0eYt a:hover{background:var(--accent-wash)}.question-detail_browseNavigation__UQAUN{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:12px;padding:6px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper)}.question-detail_browseNavigation__UQAUN>a,.question-detail_browseNavigation__UQAUN>span[aria-disabled=true]{width:max-content;min-width:112px;min-height:40px;display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;border:1px solid var(--line-strong);border-radius:var(--radius-md);color:var(--accent-dark);font-size:var(--text-sm);font-weight:800}.question-detail_browseNavigation__UQAUN>a:first-child,.question-detail_browseNavigation__UQAUN>span:first-child{justify-self:start}.question-detail_browseNavigation__UQAUN>a:last-child,.question-detail_browseNavigation__UQAUN>span:last-child{justify-self:end}.question-detail_browseNavigation__UQAUN>a:hover{background:var(--accent-soft)}.question-detail_browseNavigation__UQAUN>span[aria-disabled=true]{color:var(--muted);background:var(--sunken-soft)}.question-detail_browseProgress__H9Dys{display:grid;justify-items:center;gap:2px;min-width:0;text-align:center}.question-detail_browseProgress__H9Dys strong{color:var(--ink);font-size:var(--text-sm)}.question-detail_browseProgress__H9Dys span{color:var(--muted);font-size:var(--text-xs)}.question-detail_detailLayout__rm53D{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(400px,.9fr);align-items:start;gap:12px}.question-detail_questionColumn__l6Ni5{min-width:0;display:flex;flex-direction:column;gap:12px}.question-detail_explanationCard__xnVmg,.question-detail_stateCard__h5Wys{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow-sm)}.question-detail_questionCard__vKh4v{min-width:0;display:flex;flex-direction:column;gap:12px;padding:12px;border-radius:var(--focus-card-radius,var(--radius-lg));background:var(--paper)}.question-detail_questionText__T7EIK{min-width:0;max-height:70vh;display:flex;flex-direction:column;overflow:auto;overscroll-behavior:contain;padding:0 8px}.question-detail_answer__Dodic{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:6px 16px;border-radius:var(--radius-md);color:var(--success);background:var(--mint-soft);font-size:var(--text-sm);font-weight:800}.question-detail_answer__Dodic strong{font-size:var(--text-xl);line-height:1}.question-detail_answer__Dodic>span:first-child{flex:0 0 auto;white-space:nowrap}.question-detail_answer__Dodic[data-extra=true]{justify-content:flex-start}.question-detail_answerExtra__bhcSc{margin-left:auto;display:flex;align-items:center;gap:10px;color:var(--ink);font-size:var(--text-sm)}.question-detail_answerCells__naoIG{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}.question-detail_answerCell__1nCSi{min-width:36px;display:grid;justify-items:center;gap:1px;padding:4px 8px 5px;border:1px solid var(--success-line);border-radius:var(--radius-sm);background:var(--paper)}.question-detail_answerCell__1nCSi small{color:var(--muted);font-size:var(--text-xs);font-weight:600;line-height:1.2;letter-spacing:.04em}.question-detail_answerCell__1nCSi strong{color:var(--ink);font-size:var(--text-lg);line-height:1.2;letter-spacing:.02em;font-variant-numeric:tabular-nums}.question-detail_explanationColumn__WIZuE{min-width:0;display:flex;flex-direction:column;overflow:hidden;border-radius:var(--focus-card-radius,var(--radius));background:var(--paper)}.question-detail_explanationCard__xnVmg{overflow:hidden}.question-detail_explanationColumn__WIZuE .question-detail_panel__nJOmV{padding-top:18px}.question-detail_explanationColumn__WIZuE .question-detail_explanationCard__xnVmg{border:0;border-radius:0;box-shadow:none}.question-detail_tabs__85_U_{display:grid;grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;border-bottom:1px solid var(--line);background:var(--canvas)}.question-detail_tabActive__V_E2a,.question-detail_tab__yyvxh{min-height:58px;padding:10px 8px;border:0;border-right:1px solid var(--line);color:var(--muted);background:transparent;font-size:12px;font-weight:800}.question-detail_tabActive__V_E2a:last-child,.question-detail_tab__yyvxh:last-child{border-right:0}.question-detail_tabActive__V_E2a{position:relative;color:var(--accent-dark);background:var(--paper)}.question-detail_tabActive__V_E2a:after{content:"";position:absolute;right:12px;bottom:0;left:12px;height:3px;border-radius:999px 999px 0 0;background:var(--accent)}.question-detail_panel__nJOmV{min-height:520px;padding:28px}.question-detail_explanationDocument__qpxSA{margin-inline:0;color:var(--ink-soft)}.question-detail_documentHeader____gvL{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.question-detail_documentHeader____gvL+div>.question-detail_explanationSection__i8xyN{padding-top:0}.question-detail_explanationSection__i8xyN{padding-block:26px 4px}.question-detail_explanationSection__i8xyN h3{margin:0 0 14px;color:var(--ink);font-size:clamp(19px,2vw,23px);line-height:1.4}.question-detail_sectionDivider__agwFp{height:1px;margin:28px 0 0;border:0;background:var(--line)}.question-detail_procedureIntro__B5zdr{margin-bottom:20px;color:var(--ink-soft)}.question-detail_explanationSteps__0eRiw{display:grid;gap:22px;margin:22px 0 0;padding:0;list-style:none;counter-reset:explanation-step}.question-detail_explanationSteps__0eRiw>li{display:grid;grid-template-columns:34px minmax(0,1fr);align-items:start;gap:13px;min-width:0;counter-increment:explanation-step}.question-detail_explanationSteps__0eRiw>li:before{content:counter(explanation-step);display:grid;width:32px;height:32px;place-items:center;border-radius:50%;color:var(--on-accent);background:var(--accent);font-size:14px;font-weight:900}.question-detail_stepBody__6yI0H{min-width:0;padding-top:2px}.question-detail_stepBody__6yI0H h4{margin:0 0 9px;color:var(--ink);font-size:17px;line-height:1.45}.question-detail_conclusionCallout__tdOm3,.question-detail_pitfallCallout__6i14C{margin-top:26px;padding:17px 18px;border:1px solid var(--success-line);border-left:4px solid var(--success);border-radius:13px;background:var(--mint-soft)}.question-detail_pitfallCallout__6i14C{border-color:var(--warn-line);border-left-color:var(--warn);background:var(--amber-soft)}.question-detail_calloutLabel__q_Mod{margin:0 0 7px;color:var(--success);font-size:12px;font-weight:900;letter-spacing:.08em}.question-detail_pitfallCallout__6i14C .question-detail_calloutLabel__q_Mod{color:var(--warn)}.question-detail_explanationUnavailable__THvVf{padding:20px;border:1px solid var(--warn-line);border-radius:13px;color:var(--warn);background:var(--amber-soft)}.question-detail_explanationUnavailable__THvVf h2,.question-detail_explanationUnavailable__THvVf p{margin:0}.question-detail_explanationUnavailable__THvVf p{margin-top:8px}.question-detail_panel__nJOmV .rich{color:var(--ink-soft);line-height:1.82;overflow-wrap:anywhere}.question-detail_panel__nJOmV .rich>:first-child{margin-top:0}.question-detail_panel__nJOmV .rich>:last-child{margin-bottom:0}.question-detail_panel__nJOmV .rich p{margin:0 0 1em}.question-detail_formulaBlock__uDRIt{display:flex;align-items:baseline;justify-content:flex-start;max-width:100%;margin:18px 0;padding:14px 12px;overflow-x:auto;border-radius:11px;background:var(--canvas);-webkit-overflow-scrolling:touch}.question-detail_formulaBlock__uDRIt>:first-child{margin-inline-start:auto}.question-detail_formulaBlock__uDRIt>:last-child{margin-inline-end:auto}.question-detail_formulaBlock__uDRIt>.rich{flex:0 0 auto;min-width:max-content}.question-detail_formulaBlock__uDRIt .katex-display{margin:0}.question-detail_formulaTrailing__lcB_H{flex:0 0 auto}.question-detail_formulaTrailing__lcB_H .rich p{margin:0}.question-detail_explanationParseError__zeQOj{margin:14px 0;padding:13px 15px;border:1px solid var(--warn-line);border-radius:11px;color:var(--warn);background:var(--amber-soft)}.question-detail_panel__nJOmV .card{margin-top:0!important;padding:0;border:0;box-shadow:none}@media (min-width:1100px){.question-detail_detailPage__8N4fQ{padding-right:44px}}@media (min-width:900px){body:has(.question-detail_detailPage__8N4fQ){--floating-help-bottom:84px}}@media (min-width:900px){body:has(.question-detail_detailPage__8N4fQ){overflow:hidden}body:has(.question-detail_detailPage__8N4fQ) footer.footer{display:none}.question-detail_detailPage__8N4fQ{box-sizing:border-box;height:100dvh;display:flex;flex-direction:column;overflow:hidden}.question-detail_detailLayout__rm53D{flex:1 1 auto;min-height:0;align-items:stretch}.question-detail_questionColumn__l6Ni5{min-height:0}.question-detail_questionCard__vKh4v{min-height:0;flex:1 1 auto}.question-detail_questionZoom__SnLsA{--zoom-viewport-ratio:auto;flex:1 1 auto}.question-detail_questionText__T7EIK{flex:1 1 auto;min-height:0;max-height:none}.question-detail_explanationColumn__WIZuE{position:static;min-height:0;display:flex;flex-direction:column}.question-detail_explanationBody__SbfEw>[data-chateju-selectable],.question-detail_explanationCard__xnVmg,.question-detail_explanationColumn__WIZuE>[data-chateju-selectable]{min-height:0;flex:1 1 auto;display:flex;flex-direction:column}.question-detail_panel__nJOmV{min-height:0;flex:1 1 auto;overflow-y:auto;overscroll-behavior:contain}}@media (min-width:1100px){.question-detail_detailLayout__rm53D:has(>[data-notes-column][data-open=true]){grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) var(--notes-w,340px)!important}}@media (min-width:1440px){.question-detail_detailLayout__rm53D{grid-template-columns:minmax(0,1.1fr) minmax(480px,.9fr)}.question-detail_explanationDocument__qpxSA{width:min(100%,74ch);margin-inline:auto}}.question-detail_statePage__DV5Ou{min-height:65vh;display:grid;place-items:center}.question-detail_stateCard__h5Wys{width:min(680px,100%);padding:34px}.question-detail_stateCard__h5Wys h1{font-size:clamp(34px,6vw,48px)}.question-detail_stateCard__h5Wys>p:not(:first-child){margin-bottom:24px;color:var(--muted);line-height:1.7}@media (max-width:1099px){.question-detail_statePage__DV5Ou{width:calc(100% - 2 * var(--gutter));padding-top:30px}}@media (max-width:899px){.question-detail_detailLayout__rm53D{grid-template-columns:1fr}.question-detail_questionText__T7EIK{max-height:none}.question-detail_focusBar__KlwbE{grid-template-columns:minmax(0,1fr) auto;row-gap:4px;padding-bottom:8px}.question-detail_focusTools__K_4Lv{grid-column:2;grid-row:1}.question-detail_focusNav__tQJeq{grid-column:1/-1;justify-content:flex-start}.question-detail_focusNav__tQJeq .question-detail_studyStrip__Ow436,.question-detail_focusNav__tQJeq [data-review-strip]{flex:1 1 auto}}@media (min-width:600px){.question-detail_detailPage__8N4fQ[data-top-navigation=true] .question-detail_readingDock__SFLZw{display:none}}@media (max-width:560px){.question-detail_questionTags__f9hhU{justify-content:flex-start}.question-detail_tabs__85_U_{grid-template-columns:repeat(2,minmax(0,1fr))}.question-detail_tabActive__V_E2a,.question-detail_tab__yyvxh{border-bottom:1px solid var(--line)}.question-detail_panel__nJOmV{min-height:0;padding:21px}.question-detail_explanationSection__i8xyN{padding-top:21px}.question-detail_explanationSteps__0eRiw>li{grid-template-columns:30px minmax(0,1fr);gap:10px}.question-detail_explanationSteps__0eRiw>li:before{width:28px;height:28px}.question-detail_formulaBlock__uDRIt{margin-inline:-5px;padding-inline:8px}}.question-detail_studyStrip__Ow436{display:flex;align-items:center;gap:14px;margin-bottom:12px;padding:10px 16px;border-radius:var(--card-radius,22px);background:var(--paper);box-shadow:var(--card-shadow)}.question-detail_studyCount__WkOBP{flex:0 0 auto;color:var(--muted);font-size:13px}.question-detail_studyCount__WkOBP b{color:var(--ink);font-size:18px}.question-detail_studyTiles__LY8_g{display:flex;gap:6px;min-width:0;overflow-x:auto;padding:2px;scrollbar-width:thin}.question-detail_studyTiles__LY8_g a{flex:0 0 auto;display:grid;place-items:center;min-width:36px;height:32px;padding:0 6px;border-radius:9px;color:var(--ink-soft);background:var(--sunken);font-size:13px;font-weight:800;text-decoration:none}.question-detail_studyTiles__LY8_g a[data-outcome=correct]{color:var(--success);background:var(--success-soft)}.question-detail_studyTiles__LY8_g a[data-outcome=unanswered],.question-detail_studyTiles__LY8_g a[data-outcome=wrong]{color:var(--danger);background:var(--tile-wrong-bg)}.question-detail_studyTiles__LY8_g a[aria-current=true]{outline:2px solid var(--accent);outline-offset:1px}.question-detail_studyTiles__LY8_g a[data-marked=true]{position:relative}.question-detail_studyTiles__LY8_g a[data-marked=true]:before{content:"";position:absolute;top:3px;right:3px;width:6px;height:6px;border-radius:50%;background:var(--warn)}.question-detail_studyTiles__LY8_g a[data-withheld=true]{color:var(--muted);background:transparent;border:1px dashed var(--line-stronger)}.question-detail_readingDock__SFLZw{display:contents}.question-detail_readingSwitch__ryaYa{display:none}@media (max-width:599px){.question-detail_detailPage__8N4fQ{--reading-dock-height:112px;padding-bottom:calc(var(--reading-dock-height) + env(safe-area-inset-bottom) + 16px)}body:has(.question-detail_readingDock__SFLZw){--floating-dock-offset:112px;--floating-help-size:36px;--floating-help-right:6px;--floating-help-bottom:calc(62px + env(safe-area-inset-bottom))}body:has(.question-detail_detailPage__8N4fQ) footer.footer{display:none}.question-detail_detailLayout__rm53D{gap:12px}.question-detail_questionText__T7EIK{max-height:none}.question-detail_detailLayout__rm53D[data-mobile-view=question] .question-detail_explanationColumn__WIZuE{display:none}.question-detail_questionCard__vKh4v{padding:8px}.question-detail_detailLayout__rm53D[data-mobile-view=explanation] .question-detail_questionColumn__l6Ni5>:not(.question-detail_readingDock__SFLZw){display:none}.question-detail_focusBar__KlwbE{grid-template-columns:minmax(0,1fr) auto;gap:4px 8px;min-height:0;padding:6px 0 8px}.question-detail_focusTools__K_4Lv{grid-column:2;grid-row:1;gap:6px}.question-detail_focusNav__tQJeq{grid-column:1/-1;justify-content:flex-start}.question-detail_focusNav__tQJeq .question-detail_pagerArrow__Z_KhS,.question-detail_focusNav__tQJeq .question-detail_pagerEnd__h603_,.question-detail_focusNav__tQJeq:not([data-has-strip]){display:none}.question-detail_focusNav__tQJeq .question-detail_studyStrip__Ow436,.question-detail_focusNav__tQJeq [data-review-strip]{width:100%;box-sizing:border-box}.question-detail_explanationCard__xnVmg,.question-detail_explanationColumn__WIZuE [data-explanation-status]{min-height:calc(100lvh - var(--reading-dock-height));overflow:clip}.question-detail_tabs__85_U_{position:sticky;top:0;z-index:3;grid-template-columns:none}.question-detail_tabActive__V_E2a,.question-detail_tab__yyvxh{min-height:46px;padding:8px 4px;border-bottom:0;white-space:nowrap;font-size:13px;letter-spacing:-.01em}.question-detail_readingDock__SFLZw{position:fixed;right:0;bottom:0;left:0;z-index:40;display:grid;gap:6px;padding:8px var(--gutter) calc(6px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--paper);box-shadow:0 -8px 26px color-mix(in srgb,transparent,var(--shadow-ink) 8%)}.question-detail_readingSwitch__ryaYa{display:grid;grid-template-columns:1fr 1fr;margin-right:44px;gap:4px;padding:4px;border-radius:var(--radius-md);background:var(--sunken-soft)}.question-detail_readingSwitch__ryaYa button{min-height:42px;border:0;border-radius:calc(var(--radius-md) - 3px);color:var(--muted);background:transparent;font-size:var(--text-sm);font-weight:800}.question-detail_readingSwitch__ryaYa button[aria-pressed=true]{color:var(--accent-dark);background:var(--paper);box-shadow:0 1px 4px color-mix(in srgb,transparent,var(--shadow-ink) 12%)}.question-detail_readingDock__SFLZw .question-detail_browseNavigation__UQAUN{justify-self:stretch;padding:0;border:0;background:transparent}.question-detail_readingDock__SFLZw .question-detail_browseNavigation__UQAUN>a,.question-detail_readingDock__SFLZw .question-detail_browseNavigation__UQAUN>span[aria-disabled=true]{min-width:0;min-height:40px;padding:6px 4px;border:0;background:transparent}.question-detail_readingDock__SFLZw .question-detail_browseNavigation__UQAUN>span[aria-disabled=true]{color:var(--ghost)}.question-detail_readingDock__SFLZw .question-detail_browseProgress__H9Dys{display:flex;align-items:baseline;gap:6px}}.question-detail_noteRoot__9dt8_{display:contents}@media (min-width:1100px) and (max-width:1439px){.question-detail_detailLayout__rm53D:has(>[data-notes-column][data-open=true]) [data-notes-narrow-hide]{display:none}}.question-detail_chatSlot__2hIwB{display:none}@media (min-width:1100px){.question-detail_chatSlot__2hIwB:not(:empty){position:relative;display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden;border-radius:var(--focus-card-radius,var(--radius));background:var(--paper)}.question-detail_chatSlot__2hIwB[data-side-slot]:not(:empty){overflow:visible;background:none}.question-detail_detailLayout__rm53D:has(>.question-detail_chatSlot__2hIwB:not(:empty)){grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) var(--notes-w,360px)!important}}@media (min-width:1100px) and (max-width:1439px){.question-detail_detailLayout__rm53D:has(>.question-detail_chatSlot__2hIwB:not(:empty)) [data-notes-narrow-hide]{display:none}}.ZoomableQuestionImage_root__mUaq5{position:relative;min-width:0;min-height:0;display:flex;flex-direction:column}.ZoomableQuestionImage_root__mUaq5[data-fill=true]{--zoom-viewport-ratio:auto;flex:1 1 auto;height:100%}.ZoomableQuestionImage_viewport__E53SE{position:relative;min-height:0;flex:1 1 auto;overflow:hidden;aspect-ratio:var(--zoom-viewport-ratio,var(--image-ratio,4/3));border-radius:var(--radius-sm,8px);background:var(--paper);outline:none;touch-action:pan-y;user-select:none}.ZoomableQuestionImage_viewport__E53SE[data-pannable=true]{cursor:grab;touch-action:none}.ZoomableQuestionImage_viewport__E53SE[data-activatable=true]{cursor:zoom-in}.ZoomableQuestionImage_viewport__E53SE[data-pannable=true]:active{cursor:grabbing}.ZoomableQuestionImage_root__mUaq5[data-fill=true] .ZoomableQuestionImage_viewport__E53SE{touch-action:none}.ZoomableQuestionImage_viewport__E53SE:focus-visible:after{content:"";position:absolute;inset:0;z-index:1;border:2px solid var(--accent-border);border-radius:inherit;pointer-events:none}.ZoomableQuestionImage_sheet__mqFOQ{position:absolute;inset:0;display:flex;flex-direction:column;pointer-events:none}.ZoomableQuestionImage_sheet__mqFOQ img{filter:var(--figure-filter);width:100%;min-height:0;flex:1 1 0;display:block;object-fit:contain;object-position:center 40%}.ZoomableQuestionImage_viewport__E53SE[data-ready=true] .ZoomableQuestionImage_sheet__mqFOQ{inset:auto;top:0;left:0;transform-origin:0 0;background:var(--paper)}.ZoomableQuestionImage_viewport__E53SE[data-ready=true] .ZoomableQuestionImage_sheet__mqFOQ img{height:auto;flex:0 0 auto}.ZoomableQuestionImage_viewport__E53SE[data-ready=true] .ZoomableQuestionImage_sheet__mqFOQ img+img{box-shadow:0 -1px 0 var(--line)}.ZoomableQuestionImage_controls__yZjIp{position:sticky;top:0;z-index:3;flex:none;align-self:flex-start;margin:0 0 6px}.ZoomableQuestionImage_position__dDERS{position:absolute;top:6px;right:3px;bottom:6px;z-index:2;width:5px;border-radius:999px;overflow:hidden;background:color-mix(in srgb,transparent,var(--inverse) 6%);pointer-events:none}.ZoomableQuestionImage_position__dDERS span{position:absolute;left:0;width:100%;min-height:24px;border-radius:999px;background:color-mix(in srgb,transparent,var(--inverse) 38%)}.ZoomableQuestionImage_scrollHint__NJjMB{left:50%;bottom:10px;transform:translateX(-50%);padding:5px 12px}.ZoomableQuestionImage_scrollHint__NJjMB,.ZoomableQuestionImage_touchHint__TDTcZ{position:absolute;z-index:2;border-radius:999px;color:var(--on-accent);background:color-mix(in srgb,var(--inverse) 72%,transparent);font-size:12px;font-weight:700;white-space:nowrap;pointer-events:none}.ZoomableQuestionImage_touchHint__TDTcZ{right:8px;bottom:8px;display:none;align-items:center;gap:4px;padding:4px 10px}.ZoomableQuestionImage_touchHint__TDTcZ[data-top=true]{top:8px;bottom:auto;right:14px}.ZoomableQuestionImage_touchHint__TDTcZ svg{width:13px;height:13px}.ZoomableQuestionImage_pinchHint__EIdv7{right:auto;left:50%;bottom:12px;transform:translateX(-50%)}@media (hover:none){.ZoomableQuestionImage_touchHint__TDTcZ{display:inline-flex;animation:ZoomableQuestionImage_touch-hint-out___Xj16 .4s ease 3s forwards}.ZoomableQuestionImage_pinchHint__EIdv7{animation:none}}@keyframes ZoomableQuestionImage_touch-hint-out___Xj16{to{opacity:0;visibility:hidden}}.ZoomableQuestionImage_dialog__Frgx7{width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;margin:0;padding:0;border:0;background:var(--inverse)}.ZoomableQuestionImage_dialog__Frgx7::backdrop{background:color-mix(in srgb,var(--inverse) 60%,transparent)}.ZoomableQuestionImage_dialogShell__Mq8ls{height:100%;display:flex;flex-direction:column}.ZoomableQuestionImage_dialogBar__NdtCP{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;color:var(--on-accent);background:var(--inverse);font-size:14px;font-weight:700}.ZoomableQuestionImage_dialogBar__NdtCP>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ZoomableQuestionImage_dialogClose__MZ0qg{flex:0 0 auto;height:34px;padding:0 16px;border:0;border-radius:8px;color:var(--ink);background:var(--paper);font:inherit;font-size:14px;font-weight:800;cursor:pointer}.ZoomableQuestionImage_dialogBody__kVhx3{flex:1 1 auto;min-height:0;display:flex;padding:16px}.ZoomableQuestionImage_dialogBody__kVhx3 .ZoomableQuestionImage_viewport__E53SE{background:transparent}.ZoomableQuestionImage_dialogBody__kVhx3 .ZoomableQuestionImage_viewport__E53SE[data-ready=true] .ZoomableQuestionImage_sheet__mqFOQ{border-radius:8px}.ZoomableQuestionImage_dialogBody__kVhx3 .ZoomableQuestionImage_controls__yZjIp{margin:0 0 8px}@media (max-width:600px){.ZoomableQuestionImage_dialogBar__NdtCP{padding:8px 12px}.ZoomableQuestionImage_dialogBody__kVhx3{padding:8px}}