.HistoryPractice_page__4_n5e{max-width:1360px;margin:0 auto;padding:28px 34px 52px;color:#382c49}.HistoryPractice_backLink__GUvQv{display:inline-flex;align-items:center;gap:8px;color:#735098;font-size:13px;font-weight:600;white-space:nowrap}.HistoryPractice_backLink__GUvQv:hover,.HistoryPractice_questionFooter__MuMIj a:hover,.HistoryPractice_recapAnswer__hW9nT>a:hover,.HistoryPractice_summaryLinks__vCtjn a:hover{color:#155844;text-decoration:underline;text-underline-offset:3px}.HistoryPractice_heading__w46N6{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin:0 0 22px}.HistoryPractice_heading__w46N6 h1{margin:5px 0 10px;color:#3f2c58}.HistoryPractice_heading__w46N6 p{max-width:680px;color:#766b81;line-height:1.7}.HistoryPractice_eyebrow__xJHOa{display:block;color:#7855a0;font-size:10px;font-weight:700;letter-spacing:1.2px;line-height:1.5}.HistoryPractice_headingBadge__gi2rd{display:flex;align-items:center;gap:9px;padding:11px 14px;border:1px solid #ded0ec;border-radius:9px;background:#f5effb;color:#65438b;font-size:12px;font-weight:600;white-space:nowrap}.HistoryPractice_stats__pB1P1{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:22px}.HistoryPractice_stats__pB1P1>div{min-width:0;padding:16px 18px;border:1px solid #e1d7eb;border-radius:11px;background:#fff;box-shadow:0 5px 18px #63438b08}.HistoryPractice_stats__pB1P1 small,.HistoryPractice_stats__pB1P1 span{display:block;color:#7a7184;font-size:12px;line-height:1.45}.HistoryPractice_stats__pB1P1 strong{display:block;margin:3px 0;color:#65438b;font-size:28px;line-height:1.2;font-variant-numeric:tabular-nums}.HistoryPractice_stats__pB1P1 small{font-size:11px}.HistoryPractice_storageNotice__vmgo6,.HistoryPractice_summaryNotice__VopGN{margin:0 0 14px;padding:11px 14px;border:1px solid #ecd39f;border-radius:8px;background:#fff8e9;color:#775522;font-size:13px;line-height:1.55}.HistoryPractice_modes___svpw{display:flex;gap:7px;overflow-x:auto;padding:0 0 10px;border-bottom:1px solid #d8e7df;margin-bottom:17px}.HistoryPractice_modes___svpw button{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:8px 13px;border-radius:7px;color:#766387;font-size:13px;font-weight:600;white-space:nowrap}.HistoryPractice_modes___svpw button:hover{background:#f5effb;color:#65438b}.HistoryPractice_modes___svpw .HistoryPractice_modeActive__KLoBK{background:#ece1f5;color:#65438b;box-shadow:inset 0 -2px #9572b7}.HistoryPractice_modes___svpw button span{display:grid;min-width:21px;height:21px;place-items:center;padding:0 5px;border-radius:99px;background:#fff;color:#735098;font-size:11px;font-variant-numeric:tabular-nums}.HistoryPractice_filterPanel__xOo5_{margin-bottom:20px;padding:19px 20px;border:1px solid #e1d7eb;border-radius:12px;background:#faf7fc}.HistoryPractice_filterHeading__lkUUj{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:14px}.HistoryPractice_filterHeading__lkUUj h2{font-size:17px;color:#49345d}.HistoryPractice_filterHeading__lkUUj p{margin-top:4px;color:#6b8076;font-size:12px}.HistoryPractice_filterHeading__lkUUj>strong{color:#735098;font-size:12px;white-space:nowrap}.HistoryPractice_filters__4Ycyw{display:grid;grid-template-columns:repeat(4,minmax(125px,1fr));gap:10px}.HistoryPractice_filters__4Ycyw label{display:grid;gap:5px;color:#49695c;font-size:11px;font-weight:700}.HistoryPractice_filters__4Ycyw select{width:100%;min-width:0;min-height:40px;padding:7px 9px;border:1px solid #c9ded2;border-radius:6px;background:#fff;color:#49345d;font-size:12px}.HistoryPractice_lessonFilter__8Uhbv{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:12px;padding-top:12px;border-top:1px solid #dbeae1;color:#4f7161;font-size:12px}.HistoryPractice_lessonFilter__8Uhbv button{color:#247451;font-size:12px;font-weight:700;text-decoration:underline;text-underline-offset:3px}.HistoryPractice_recapStart__3CsXX{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-top:19px;padding-top:17px;border-top:1px solid #dcebe2}.HistoryPractice_recapStart__3CsXX h2{margin:3px 0;color:#49345d;font-size:18px}.HistoryPractice_recapStart__3CsXX p{max-width:620px;color:#657e72;font-size:12px;line-height:1.6}.HistoryPractice_recapButtons__8si1f{display:flex;gap:8px;flex-shrink:0}.HistoryPractice_recapButtons__8si1f button{display:grid;gap:3px;min-width:112px;padding:10px 12px;border:1px solid #bba1d3;border-radius:7px;background:#76529a;color:#fff;text-align:left;font-size:13px;font-weight:700}.HistoryPractice_primaryButton__ufqLT:hover,.HistoryPractice_recapButtons__8si1f button:hover:not(:disabled){background:#65438b}.HistoryPractice_recapButtons__8si1f button:disabled{opacity:.42}.HistoryPractice_recapButtons__8si1f small{color:#d9f1e2;font-size:10px;font-weight:400}.HistoryPractice_changeFilters__5iWsK{margin:2px 0 17px;padding:9px 12px;border:1px solid #c9ded2;border-radius:7px;background:#fff;color:#735098;font-size:12px;font-weight:600}.HistoryPractice_questionList__5CBNR{display:grid;gap:12px}.HistoryPractice_questionCard__Pv0JD{min-width:0;padding:19px 20px 14px;border:1px solid #d8e6de;border-radius:11px;background:#fff;box-shadow:0 5px 18px #255b3c07}.HistoryPractice_questionCard__Pv0JD h2{max-width:980px;margin:10px 0 14px;color:#49345d;font-size:17px;line-height:1.5;letter-spacing:-.15px;white-space:pre-wrap}.HistoryPractice_questionMeta__bkWUr{display:flex;flex-wrap:wrap;gap:6px 9px;align-items:center;color:#657d72;font-size:10px}.HistoryPractice_questionMeta__bkWUr>span{padding:3px 7px;border-radius:4px;background:#f2f7f4}.HistoryPractice_questionMeta__bkWUr .HistoryPractice_category__JNBNr{background:#f0e8f7;color:#735098;font-weight:700}.HistoryPractice_choices__avGKa{display:grid;gap:7px;max-width:1000px}.HistoryPractice_choice__mHzVd{display:flex;align-items:flex-start;gap:10px;width:100%;min-height:43px;padding:9px 11px;border:1px solid #dce8e1;border-radius:7px;background:#fff;color:#344f43;text-align:left;font-size:13px;line-height:1.5}.HistoryPractice_choiceSelected__5_o_o,.HistoryPractice_choice__mHzVd:hover:not(:disabled){border-color:#91c7a7;background:#f0f8f3}.HistoryPractice_choice__mHzVd>span:first-child{display:grid;flex:0 0 23px;height:23px;place-items:center;border:1px solid #d1e2d8;border-radius:5px;color:#478066;font-size:10px;font-weight:700}.HistoryPractice_choice__mHzVd>span:nth-child(2){flex:1}.HistoryPractice_choice__mHzVd>svg{margin-left:auto;color:#23764f}.HistoryPractice_choiceRight__2fiK3{border-color:#72b992;background:#edf8f1}.HistoryPractice_answerField__zVMoW{display:grid;gap:6px;max-width:310px;color:#45695a;font-size:12px;font-weight:700}.HistoryPractice_answerField__zVMoW input{min-height:42px;padding:8px 11px;border:1px solid #cbded3;border-radius:6px;background:#fff;color:#1c3e30;font-variant-numeric:tabular-nums}.HistoryPractice_hint__aCx3m{display:flex;align-items:flex-start;gap:9px;margin-top:13px;padding:10px 12px;border:1px solid #d8eadf;border-radius:7px;background:#f5faf6;color:#527364}.HistoryPractice_hint__aCx3m svg{margin-top:2px;color:#448768}.HistoryPractice_hint__aCx3m p{font-size:12px;line-height:1.6}.HistoryPractice_hint__aCx3m strong{color:#2a654c}.HistoryPractice_questionActions__0IVhS{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:14px}.HistoryPractice_checkButton__L74uP,.HistoryPractice_feedback__mhNQx button,.HistoryPractice_hintButton__1FqEB{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:38px;padding:8px 11px;border-radius:6px;font-size:12px;font-weight:600}.HistoryPractice_hintButton__1FqEB{border:1px solid #cfe3d6;background:#f8fbf9;color:#397358}.HistoryPractice_hintButton__1FqEB:hover:not(:disabled){background:#ebf6ef}.HistoryPractice_checkButton__L74uP{background:#76529a;color:#fff}.HistoryPractice_checkButton__L74uP:hover:not(:disabled){background:#65438b}.HistoryPractice_validation__893La{margin-top:8px;color:#a34738;font-size:12px}.HistoryPractice_feedback__mhNQx{display:grid;gap:5px;margin-top:12px;padding:12px 14px;border:1px solid;border-radius:7px;font-size:12px;line-height:1.55}.HistoryPractice_feedback__mhNQx>strong{font-size:13px}.HistoryPractice_feedback__mhNQx>p{color:inherit;line-height:1.65}.HistoryPractice_feedbackCorrect__WogJE{border-color:#afd7bc;background:#eff8f1;color:#2c6547}.HistoryPractice_feedbackIncorrect__MoVyF{border-color:#e6c898;background:#fff8ec;color:#765a2e}.HistoryPractice_feedback__mhNQx button{justify-self:start;min-height:34px;margin-top:3px;border:1px solid #dfc58f;background:#fff;color:#795d31}.HistoryPractice_questionFooter__MuMIj{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:12px;padding-top:10px;border-top:1px solid #edf2ee;color:#819187;font-size:10px}.HistoryPractice_questionFooter__MuMIj a,.HistoryPractice_recapAnswer__hW9nT>a{display:inline-flex;align-items:center;gap:6px;color:#735098;font-size:11px;font-weight:600}.HistoryPractice_questionCorrect__lhE7n{border-color:#b6dcc2}.HistoryPractice_questionIncorrect__wkCsN{border-color:#ead3aa}.HistoryPractice_emptyState__iTyGu button,.HistoryPractice_loadMore__PljEV,.HistoryPractice_skipButton__nedHF{min-height:39px;padding:8px 13px;border:1px solid #cbded3;border-radius:7px;background:#fff;color:#2e7054;font-size:12px;font-weight:600}.HistoryPractice_loadMore__PljEV{justify-self:center;min-width:220px;margin:4px auto 12px}.HistoryPractice_emptyState__iTyGu button:hover,.HistoryPractice_loadMore__PljEV:hover,.HistoryPractice_skipButton__nedHF:hover{background:#eff7f2}.HistoryPractice_emptyState__iTyGu{display:grid;justify-items:center;gap:9px;padding:37px 20px;border:1px dashed #bad6c6;border-radius:11px;background:#f8fbf9;text-align:center}.HistoryPractice_emptyState__iTyGu>svg{color:#3f9169}.HistoryPractice_emptyState__iTyGu h2{color:#274e3d;font-size:18px}.HistoryPractice_emptyState__iTyGu p{max-width:550px;color:#687f73;font-size:13px;line-height:1.65}.HistoryPractice_emptyState__iTyGu button{margin-top:5px}.HistoryPractice_recapRun__41anP,.HistoryPractice_recapSummary__yrvn5{padding:20px;border:1px solid #d5e7dc;border-radius:12px;background:#faf7fc}.HistoryPractice_recapProgress__UIqE_{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:14px}.HistoryPractice_recapProgress__UIqE_ h2,.HistoryPractice_recapSummaryHeading__Vgjom h2{margin-top:4px;color:#49345d;font-size:20px}.HistoryPractice_progressTrack__l4xK2{width:min(260px,35vw);height:8px;overflow:hidden;border-radius:99px;background:#e4d8ee}.HistoryPractice_progressTrack__l4xK2 span{display:block;height:100%;border-radius:inherit;background:#9572b7;transition:width .25s ease}.HistoryPractice_recapActions__Hd3Ti{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}.HistoryPractice_primaryButton__ufqLT{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:9px 14px;border-radius:7px;background:#76529a;color:#fff;font-size:12px;font-weight:700}.HistoryPractice_recapSummaryHeading__Vgjom{margin-bottom:15px}.HistoryPractice_recapSummaryHeading__Vgjom p{margin-top:6px;color:#60786c;font-size:13px;line-height:1.6}.HistoryPractice_recapTotals__u4MT6{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:15px 0}.HistoryPractice_recapTotals__u4MT6>div{padding:12px;border:1px solid #d8e8de;border-radius:8px;background:#fff}.HistoryPractice_recapTotals__u4MT6 span,.HistoryPractice_recapTotals__u4MT6 strong{display:block;text-align:center}.HistoryPractice_recapTotals__u4MT6 strong{color:#246848;font-size:23px;font-variant-numeric:tabular-nums}.HistoryPractice_recapTotals__u4MT6 span{color:#617b6d;font-size:11px}.HistoryPractice_chapterResults__t1FIz{display:grid;gap:11px;margin-top:15px}.HistoryPractice_chapterResult__5pIfZ{padding:14px;border:1px solid #dbe9e0;border-radius:8px;background:#fff}.HistoryPractice_chapterResultHeading__SZrJX{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding-bottom:9px;border-bottom:1px solid #ebf2ed}.HistoryPractice_chapterResultHeading__SZrJX h3{color:#28543f;font-size:14px}.HistoryPractice_chapterResultHeading__SZrJX>span{color:#71857a;font-size:10px;text-align:right}.HistoryPractice_recapAnswers__EgOOI{display:grid;gap:9px;padding-top:9px}.HistoryPractice_recapAnswer__hW9nT{padding:11px 0;border-bottom:1px solid #eef3ef}.HistoryPractice_recapAnswer__hW9nT:last-child{padding-bottom:0;border:0}.HistoryPractice_recapAnswer__hW9nT h4{margin:7px 0;color:#2d493b;font-size:13px;line-height:1.5;font-weight:600}.HistoryPractice_recapAnswer__hW9nT p{margin-top:4px;color:#61776a;font-size:11px;line-height:1.55}.HistoryPractice_recapAnswer__hW9nT p strong{color:#3e5948}.HistoryPractice_recapAnswer__hW9nT .HistoryPractice_explanation__5jP2j{margin:7px 0;color:#4e6a5c;font-size:12px;line-height:1.65}.HistoryPractice_resultBadge__S9pE8{display:inline-flex;padding:3px 7px;border-radius:4px;font-size:10px;font-weight:700}.HistoryPractice_result_correct__zlQZs{background:#e8f5ec;color:#2b744e}.HistoryPractice_result_incorrect__U8gl7{background:#fff2dc;color:#91651e}.HistoryPractice_result_unanswered__ieBRA{background:#eef1ef;color:#68766f}.HistoryPractice_summaryActions__BRnbm{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.HistoryPractice_summaryCard__Zo3X_{padding:17px;border:1px solid #d5e7dc;border-radius:11px;background:#faf7fc}.HistoryPractice_summaryHeading__HxAoM{display:flex;align-items:center;gap:10px;margin-bottom:13px}.HistoryPractice_summaryIcon__RdNzR{display:grid;width:37px;height:37px;place-items:center;border-radius:9px;background:#e2f2e8;color:#2c8059}.HistoryPractice_summaryHeading__HxAoM h2{margin-top:2px;color:#49345d;font-size:16px}.HistoryPractice_summaryStats__do5s_{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.HistoryPractice_summaryStats__do5s_>div{padding:10px;border:1px solid #e0ece4;border-radius:7px;background:#fff}.HistoryPractice_summaryStats__do5s_ span,.HistoryPractice_summaryStats__do5s_ strong{display:block}.HistoryPractice_summaryStats__do5s_ strong{color:#735098;font-size:20px;font-variant-numeric:tabular-nums}.HistoryPractice_summaryStats__do5s_ span{color:#688074;font-size:10px;line-height:1.4}.HistoryPractice_summaryNotice__VopGN{margin-top:10px;margin-bottom:0;font-size:11px}.HistoryPractice_summaryLinks__vCtjn{display:grid;gap:6px;margin-top:12px;padding-top:10px;border-top:1px solid #dceae1}.HistoryPractice_summaryLinks__vCtjn a{display:flex;align-items:center;gap:7px;color:#735098;font-size:11px;font-weight:600}.HistoryPractice_summaryLinks__vCtjn a svg:last-child{margin-left:auto}@media (max-width:1100px){.HistoryPractice_filters__4Ycyw{grid-template-columns:repeat(3,minmax(120px,1fr))}.HistoryPractice_page__4_n5e{padding-right:24px;padding-left:24px}}@media (max-width:850px){.HistoryPractice_page__4_n5e{padding:22px 20px 38px}.HistoryPractice_heading__w46N6{flex-direction:column;gap:14px}.HistoryPractice_headingBadge__gi2rd{align-self:flex-start}.HistoryPractice_recapStart__3CsXX{align-items:flex-start;flex-direction:column}.HistoryPractice_recapButtons__8si1f{width:100%}.HistoryPractice_recapButtons__8si1f button{flex:1}.HistoryPractice_backLink__GUvQv{font-size:11px}}@media (max-width:620px){.HistoryPractice_page__4_n5e{padding:20px 16px 34px}.HistoryPractice_heading__w46N6{margin-bottom:17px}.HistoryPractice_heading__w46N6 h1{font-size:30px}.HistoryPractice_heading__w46N6 p{font-size:13px}.HistoryPractice_stats__pB1P1{grid-template-columns:1fr;gap:8px;margin-bottom:17px}.HistoryPractice_stats__pB1P1>div{padding:12px 14px}.HistoryPractice_stats__pB1P1 strong{font-size:24px}.HistoryPractice_stats__pB1P1 small{font-size:10px}.HistoryPractice_filterPanel__xOo5_{padding:15px 13px}.HistoryPractice_filterHeading__lkUUj{align-items:flex-start}.HistoryPractice_filterHeading__lkUUj>strong{font-size:10px}.HistoryPractice_filters__4Ycyw{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.HistoryPractice_filters__4Ycyw label:last-child{grid-column:1/-1}.HistoryPractice_filters__4Ycyw select{min-height:42px;font-size:12px}.HistoryPractice_lessonFilter__8Uhbv{align-items:flex-start;flex-direction:column}.HistoryPractice_questionCard__Pv0JD{padding:15px 13px 12px}.HistoryPractice_questionCard__Pv0JD h2{font-size:16px}.HistoryPractice_questionMeta__bkWUr{font-size:9px}.HistoryPractice_choice__mHzVd{font-size:12px;padding:9px}.HistoryPractice_questionActions__0IVhS{align-items:stretch}.HistoryPractice_checkButton__L74uP,.HistoryPractice_hintButton__1FqEB{flex:1;padding:8px 7px;font-size:11px}.HistoryPractice_questionFooter__MuMIj{align-items:flex-start;flex-direction:column;gap:7px}.HistoryPractice_recapRun__41anP,.HistoryPractice_recapSummary__yrvn5{padding:14px 12px}.HistoryPractice_recapProgress__UIqE_{align-items:flex-start;flex-direction:column}.HistoryPractice_progressTrack__l4xK2{width:100%}.HistoryPractice_recapTotals__u4MT6{gap:6px}.HistoryPractice_recapTotals__u4MT6>div{padding:9px 4px}.HistoryPractice_recapTotals__u4MT6 strong{font-size:20px}.HistoryPractice_recapTotals__u4MT6 span{font-size:9px}.HistoryPractice_chapterResult__5pIfZ{padding:11px 9px}.HistoryPractice_chapterResultHeading__SZrJX{align-items:flex-start;flex-direction:column;gap:4px}.HistoryPractice_chapterResultHeading__SZrJX>span{text-align:left}.HistoryPractice_recapActions__Hd3Ti{flex-direction:column}.HistoryPractice_recapActions__Hd3Ti>*{width:100%}.HistoryPractice_summaryStats__do5s_{grid-template-columns:repeat(2,minmax(0,1fr))}.HistoryPractice_summaryActions__BRnbm>*{flex:1}.HistoryPractice_summaryLinks__vCtjn a{font-size:12px}}.HistoryPractice_references___pd7H{display:flex;flex-wrap:wrap;gap:6px 12px;margin-top:6px;font-size:11px}.HistoryPractice_references___pd7H a{color:#735098;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}.HistoryPractice_page__4_n5e a:focus-visible,.HistoryPractice_page__4_n5e button:focus-visible,.HistoryPractice_page__4_n5e input:focus-visible,.HistoryPractice_page__4_n5e select:focus-visible,.HistoryPractice_summaryCard__Zo3X_ a:focus-visible{outline:3px solid #9572b7;outline-offset:3px}@media (prefers-reduced-motion:reduce){.HistoryPractice_progressTrack__l4xK2 span{transition:none}}.CourseApp_shell__LH3sw{--subject-tone:#b67b1e;--subject-ink:#7c551c;--subject-wash:#fff5df;--subject-edge:#ead6ad;background:linear-gradient(160deg,#f5f7fb,#f9fafb 65%,#fffaf0)}.CourseApp_shell__LH3sw[data-subject=mathematics]{--subject-tone:#c9694f;--subject-ink:#974831;--subject-wash:#fff0e9;--subject-edge:#efd0c3;background:linear-gradient(160deg,#f5f7fb,#f9fafb 65%,#fff5ef)}.CourseApp_shell__LH3sw[data-subject=history],.CourseApp_shell__LH3sw[data-subject=romanian]{--subject-tone:#9572b7;--subject-ink:#65438b;--subject-wash:#f5effb;--subject-edge:#ded0ec;background:linear-gradient(160deg,#f5f7fb,#f9fafb 65%,#f7f1fc)}.CourseApp_shell__LH3sw[data-subject=geography]{--subject-tone:#398f8b;--subject-ink:#246b67;--subject-wash:#eaf7f5;--subject-edge:#c5e2dc;background:linear-gradient(160deg,#f5f7fb,#f9fafb 65%,#eff9f6)}.CourseApp_shell__LH3sw[data-subject=biology],.CourseApp_shell__LH3sw[data-subject=chemistry],.CourseApp_shell__LH3sw[data-subject=natural-sciences]{--subject-tone:#338961;--subject-ink:#246546;--subject-wash:#eaf7ee;--subject-edge:#c6e3d0;background:linear-gradient(160deg,#f5f7fb,#f9fafb 65%,#eff9f1)}.CourseApp_shell__LH3sw[data-subject=biology] .CourseApp_formulaPanel__4g3G8 strong,.CourseApp_shell__LH3sw[data-subject=history] .CourseApp_catalogLessonFormula__55Mjy,.CourseApp_shell__LH3sw[data-subject=history] .CourseApp_formulaPanel__4g3G8 strong,.CourseApp_shell__LH3sw[data-subject=natural-sciences] .CourseApp_formulaPanel__4g3G8 strong,.CourseApp_shell__LH3sw[data-subject=romanian] .CourseApp_catalogLessonFormula__55Mjy,.CourseApp_shell__LH3sw[data-subject=romanian] .CourseApp_formulaPanel__4g3G8 strong{font-family:inherit;color:var(--subject-ink)}.CourseApp_shell__LH3sw [hidden]{display:none!important}.CourseApp_reading__MQOo0{margin:16px 0;border-left:3px solid var(--subject-tone);padding:16px 20px;background:var(--subject-wash);white-space:pre-line;overflow-wrap:anywhere}.CourseApp_main__L4eTi{max-width:1440px;min-width:0}.CourseApp_physicsResources__lwwNY{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}.CourseApp_physicsResources__lwwNY a{display:flex;align-items:center;gap:9px;min-height:44px;padding:10px 14px;border:1px solid #d8e2f0;border-radius:10px;background:#fff;color:#2455e5;font-size:14px;font-weight:600}.CourseApp_physicsResources__lwwNY a:hover{background:#edf2ff}.CourseApp_physicsResources__lwwNY a:focus-visible{outline:2px solid #6388ff;outline-offset:3px}.CourseApp_subjectDot__P4e87{background:var(--subject-tone)}.CourseApp_learningNote__x4UOG{padding-top:20px}.CourseApp_learningNote__x4UOG p{font-size:13px}.CourseApp_learningNote__x4UOG svg{margin-bottom:8px}.CourseApp_kicker__qU5M4{display:inline-flex;align-items:center;background:var(--subject-wash);border:1px solid var(--subject-edge);color:var(--subject-ink);padding:6px 10px;border-radius:7px;font-size:10px;letter-spacing:1.1px;font-weight:700;margin-bottom:14px;line-height:1.5}.CourseApp_hero__v__tT{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:28px;align-items:center;padding:5px 0 22px}.CourseApp_hero__v__tT h1{white-space:pre-line;font-size:clamp(30px,3.2vw,43px);line-height:1.17;letter-spacing:-1.4px}.CourseApp_hero__v__tT p{max-width:660px;font-size:16px;line-height:1.65;margin-top:16px}.CourseApp_heroFacts__gVkI8{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.CourseApp_heroFacts__gVkI8>span{display:flex;gap:6px;align-items:center;font-size:12px;padding:5px 8px;background:#eaf0ff;border-radius:6px;color:#3c5c9b}.CourseApp_heroFacts__gVkI8>span:last-child{background:var(--subject-wash);color:var(--subject-ink)}.CourseApp_heroArt__brgOA{align-self:stretch;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;background:radial-gradient(ellipse,#fff 8%,var(--subject-wash) 80%);border:1px solid var(--subject-edge);border-radius:25px;min-height:204px}.CourseApp_heroArt__brgOA>span{font-size:8px;letter-spacing:.8px;color:var(--subject-ink);padding:0 12px 18px;text-align:center}.CourseApp_scopeStrip__Rt7w5{display:flex;align-items:center;gap:10px;border:1px solid #d8e2f0;background:#eef3fc;padding:13px 16px;border-radius:10px;margin-bottom:21px}.CourseApp_scopeStrip__Rt7w5>svg{color:#3f68b7}.CourseApp_scopeStrip__Rt7w5 p{font-size:12px;line-height:1.55;color:#506581}.CourseApp_scopeStrip__Rt7w5 button{display:flex;gap:5px;align-items:center;white-space:nowrap;margin-left:auto;color:#315bbe;font-size:12px}.CourseApp_courseLinks__X3AyP{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px}.CourseApp_courseLinks__X3AyP>a{display:flex;align-items:center;gap:12px;flex:1;min-width:min(100%,260px);padding:16px;border:1px solid var(--subject-edge);border-radius:11px;background:#fff;color:var(--subject-ink)}.CourseApp_courseLinks__X3AyP>a:hover{background:var(--subject-wash)}.CourseApp_courseLinks__X3AyP>a>div{flex:1}.CourseApp_courseLinks__X3AyP span,.CourseApp_courseLinks__X3AyP strong{display:block}.CourseApp_courseLinks__X3AyP strong{font-size:14px}.CourseApp_courseLinks__X3AyP span{margin-top:5px;font-size:12px;line-height:1.5;color:#596e64}.CourseApp_continueCard__mA6CR{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid #cbd8ef;border-radius:12px;padding:19px 20px;margin-bottom:24px}.CourseApp_continueIcon__oUwhw{display:grid;place-items:center;width:43px;height:43px;border-radius:12px;background:#e8efff;color:#2455e5}.CourseApp_continueCard__mA6CR>div{flex:1;min-width:0}.CourseApp_continueCard__mA6CR h2{font-size:17px}.CourseApp_continueCard__mA6CR p{font-size:12px;line-height:1.5;margin-top:6px}.CourseApp_smallLabel__3zBSZ{display:block;font-size:10px;letter-spacing:1.2px;color:#687e95;font-weight:700;line-height:1.5;margin-bottom:9px}.CourseApp_continueCard__mA6CR .CourseApp_smallLabel__3zBSZ{font-size:9px;margin-bottom:5px}.CourseApp_catalogControls__3sAs6{display:flex;justify-content:space-between;align-items:end;gap:20px;margin:26px 0 17px}.CourseApp_courseSettings___3F_4{display:flex;gap:28px;align-items:flex-start;min-width:0}.CourseApp_courseSettings___3F_4 label,.CourseApp_profileSetting__lKpsk{display:flex;flex-direction:column;gap:6px;font-size:11px;color:#607184}.CourseApp_courseSettings___3F_4 select{max-width:100%;min-height:40px;background:#fff;border:1px solid #d7e0ed;border-radius:7px;padding:9px 10px;color:#334962;font-size:12px}.CourseApp_profileSetting__lKpsk strong{padding:10px 0;color:#4c6078;font-size:12px;font-weight:500}.CourseApp_search__sCYet{display:flex;gap:9px;align-items:center;background:#fff;border:1px solid #d7e0ed;border-radius:8px;padding:0 11px;color:#647d9b;max-width:295px;min-width:180px;min-height:40px}.CourseApp_search__sCYet input{width:100%;min-width:0;outline-offset:5px;border:0;background:transparent;padding:9px 0;font-size:13px;color:#283b52}.CourseApp_search__sCYet input::placeholder{color:#7b8b9c}.CourseApp_search__sCYet input::-webkit-search-cancel-button{display:none}.CourseApp_search__sCYet button{display:flex;padding:4px}.CourseApp_chapterFilters__SOAWV{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:28px}.CourseApp_chapterFilters__SOAWV button{font-size:12px;border:1px solid #d9e1ec;border-radius:7px;padding:7px 11px;color:#566b83;background:#fff;min-height:36px}.CourseApp_chapterFilters__SOAWV button:hover{background:#f0f4fc}.CourseApp_chapterFilters__SOAWV button[aria-pressed=true]{background:#2455e5;border-color:#2455e5;color:#fff}.CourseApp_catalogHeading__8_YO6{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:16px}.CourseApp_catalogHeading__8_YO6 h2{font-size:18px}.CourseApp_catalogHeading__8_YO6>span{font-size:12px;color:#667b92;white-space:nowrap}.CourseApp_lessonGrid__Bn6e9{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.CourseApp_lessonCard__86wF3{display:flex;flex-direction:column;text-align:left;background:linear-gradient(150deg,var(--subject-wash),#fff 55%);border:1px solid var(--subject-edge);border-top:4px solid var(--subject-tone);border-radius:14px;padding:21px;min-width:0;transition:transform .18s,border-color .18s,box-shadow .18s}.CourseApp_lessonCard__86wF3:hover{transform:translateY(-3px);border-color:var(--subject-tone);box-shadow:0 9px 24px #26374e0e}.CourseApp_cardTop__D4QCJ{display:flex;align-items:center;gap:10px;margin-bottom:17px}.CourseApp_lessonIcon__FFBtn{display:grid;place-items:center;min-width:44px;height:44px;background:#ffffffd9;border:1px solid var(--subject-edge);border-radius:12px;color:var(--subject-ink)}.CourseApp_chapterLabel__aspxy{font-size:10px;font-weight:600;letter-spacing:.4px;line-height:1.5;color:#69788b}.CourseApp_cardTop__D4QCJ>svg{margin-left:auto;color:var(--subject-tone)}.CourseApp_lessonCard__86wF3 h3{font-size:17px;line-height:1.4;letter-spacing:-.3px}.CourseApp_lessonCard__86wF3>p{font-size:13px;line-height:1.65;margin-top:9px;flex:1}.CourseApp_cardFormula__XTTAX{margin-top:19px;padding:10px 11px;background:#ffffffd6;border:1px solid #e6e9ee;border-radius:7px;color:#3c5e9b;font-family:SFMono-Regular,Consolas,monospace;font-size:12px;line-height:1.7;overflow-wrap:anywhere}.CourseApp_cardBottom__71fCG{display:flex;justify-content:space-between;gap:10px;border-top:1px solid var(--subject-edge);padding-top:14px;margin-top:17px;color:var(--subject-ink);font-size:12px}.CourseApp_cardBottom__71fCG>span{display:flex;align-items:center;gap:6px}.CourseApp_cardBottom__71fCG>span:last-child{font-size:11px;color:#66778a}.CourseApp_empty__ws7pO,.CourseApp_roadmap__9ssSs{display:flex;flex-direction:column;align-items:center;gap:14px;padding:46px 30px;background:#fff;border:1px solid #dce4ed;border-radius:14px;text-align:center}.CourseApp_empty__ws7pO>svg,.CourseApp_roadmap__9ssSs>svg{color:var(--subject-tone)}.CourseApp_empty__ws7pO p,.CourseApp_roadmap__9ssSs p{max-width:550px;font-size:14px;line-height:1.7}.CourseApp_roadmap__9ssSs .CourseApp_kicker__qU5M4{margin:0}.CourseApp_roadmap__9ssSs h2{font-size:25px}.CourseApp_roadmap__9ssSs button{margin-top:7px}.CourseApp_backButton__NwT_n{display:inline-flex;align-items:center;gap:7px;color:#315cc5;font-size:12px;margin-bottom:19px;padding:4px 0;min-height:32px}.CourseApp_lessonHeading__1cirG{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px}.CourseApp_lessonHeading__1cirG h1{font-size:clamp(27px,2.9vw,36px);line-height:1.2;letter-spacing:-.9px}.CourseApp_lessonHeading__1cirG p{font-size:14px;margin-top:11px;max-width:740px}.CourseApp_lessonHeading__1cirG .CourseApp_kicker__qU5M4{margin-bottom:11px}.CourseApp_duration__VF2S2{display:flex;align-items:center;gap:6px;white-space:nowrap;color:#61758d;font-size:12px}.CourseApp_steps__NlCbk{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;background:#e8edf5;padding:6px;border-radius:12px;border:1px solid #dce3ee;margin-bottom:24px}.CourseApp_steps__NlCbk button{display:flex;justify-content:center;align-items:center;gap:9px;min-height:45px;border-radius:8px;color:#61748b;font-size:13px;font-weight:500;padding:9px}.CourseApp_steps__NlCbk button>span{color:#8494a8;font-size:10px;font-family:monospace}.CourseApp_steps__NlCbk button[aria-current=step]{background:#fff;color:#2455e5;box-shadow:0 2px 9px #2443740e}.CourseApp_steps__NlCbk button[aria-current=step]>span{color:#2455e5}.CourseApp_steps__NlCbk button>svg{color:#278064}.CourseApp_stepIntroduction__UIxOH{margin-bottom:18px}.CourseApp_stepIntroduction__UIxOH .CourseApp_smallLabel__3zBSZ{margin-bottom:5px}.CourseApp_stepIntroduction__UIxOH h2{font-size:21px;line-height:1.4}.CourseApp_application__BTCuY,.CourseApp_exploration__EZPGf,.CourseApp_stepPanel__ay_x4,.CourseApp_understanding__bUWtx{min-width:0}.CourseApp_application__BTCuY[hidden],.CourseApp_exploration__EZPGf[hidden],.CourseApp_stepPanel__ay_x4[hidden],.CourseApp_understanding__bUWtx[hidden]{display:none}.CourseApp_objective__EpmZp{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.65;color:#3f5e84;background:#edf3fd;border:1px solid #d3e0f4;padding:17px 18px;border-radius:10px;margin-bottom:16px}.CourseApp_objective__EpmZp svg{margin-top:2px;color:#4a6fba}.CourseApp_exerciseCard__3X5pC{background:#fff;border:1px solid #dce4ef;border-radius:13px;padding:23px;min-width:0}.CourseApp_stepPanel__ay_x4>.CourseApp_exerciseCard__3X5pC{max-width:800px}.CourseApp_exerciseCard__3X5pC h3{font-size:17px;line-height:1.6;font-weight:500;margin-bottom:17px}.CourseApp_choices__Qx_0F{display:flex;flex-direction:column;gap:8px}.CourseApp_choices__Qx_0F>button{display:flex;align-items:center;gap:11px;border:1px solid #dbe3ee;border-radius:8px;min-height:47px;background:#fff;padding:10px 12px;text-align:left;font-size:14px;line-height:1.5}.CourseApp_choices__Qx_0F>button>span{display:grid;place-items:center;border:1px solid #d6e0ed;border-radius:5px;font-family:monospace;font-size:11px;min-width:26px;height:26px;color:#657c99}.CourseApp_choices__Qx_0F>button>svg{margin-left:auto}.CourseApp_choices__Qx_0F>button:hover{border-color:#a6bbe7;background:#f4f7ff}.CourseApp_choices__Qx_0F>button[aria-pressed=true]{background:#edf3ff;border-color:#93b0ec;color:#294f9f}.CourseApp_choices__Qx_0F>button:disabled{opacity:1;cursor:default}.CourseApp_choices__Qx_0F>button:disabled:hover{background:#fff;border-color:#dbe3ee}.CourseApp_numberAnswer__2H2D4{display:block;font-size:12px;color:#667b92}.CourseApp_numberAnswer__2H2D4>div{display:flex;align-items:center;gap:12px;margin-top:6px}.CourseApp_numberAnswer__2H2D4 input{min-width:0;width:170px;max-width:100%;min-height:45px;border:1px solid #cad7e8;border-radius:7px;background:#f9fbff;padding:9px 12px;font-size:17px;color:#2d4f8c}.CourseApp_numberAnswer__2H2D4 input:disabled{background:#f0f3f8}.CourseApp_numberAnswer__2H2D4>div>span{color:#50677f;font-size:14px}.CourseApp_numberAnswer__2H2D4 small{display:block;font-size:11px;margin-top:7px;color:#77889b}.CourseApp_exerciseActions__EwUQY{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:20px}.CourseApp_checkAnswer__mv3Jo{display:flex;align-items:center;gap:7px;background:#2455e5;color:#fff;border-radius:7px;font-size:12px;padding:9px 13px;min-height:38px}.CourseApp_checkAnswer__mv3Jo:hover{background:#1946c9}.CourseApp_hintButton__iYK7c{display:flex;align-items:center;gap:5px;color:#718196;font-size:12px;padding:7px 4px;min-height:36px}.CourseApp_hintButton__iYK7c:hover{color:#2455e5}.CourseApp_hint__l7BLr{background:#fff7e7;border:1px solid #efdfbc;color:#7d6336;font-size:13px;padding:13px;margin-top:14px;border-radius:8px;line-height:1.6}.CourseApp_feedback__9CyMz{color:#8e6237;background:#fff4e6;border:1px solid #eddbbe;border-radius:8px;font-size:13px;line-height:1.65;margin-top:14px;padding:12px}.CourseApp_correctFeedback__nVd3Q{color:#2d7159;background:#eaf7f0;border-color:#b9dfcd}.CourseApp_revealButton__V0_ru{display:flex;align-items:center;gap:5px;color:#526c91;font-size:12px;margin-top:15px;min-height:32px;text-align:left}.CourseApp_revealButton__V0_ru[aria-expanded=true]>svg{transform:rotate(90deg)}.CourseApp_solution__IC12a{border-top:1px solid #e1e7ef;padding-top:14px;margin-top:9px}.CourseApp_solution__IC12a strong{color:#365b98;font-size:14px}.CourseApp_solution__IC12a p{font-size:13px;line-height:1.7;margin-top:7px}.CourseApp_reassurance__uG7VM{font-size:12px;color:#708198;margin-top:16px;padding-left:3px}.CourseApp_labFrame__XVbfv{min-width:0}.CourseApp_explorationHint__ofasV{display:flex;align-items:center;gap:9px;margin-top:14px;background:#edf3fd;border:1px solid #d4e1f4;border-radius:9px;padding:12px 15px;color:#456db2}.CourseApp_explorationHint__ofasV p{font-size:12px;line-height:1.6;color:#4e678e}.CourseApp_explored__nJZ5M{color:#32795e;background:#ebf7f1;border-color:#c4e1d1}.CourseApp_explored__nJZ5M p{color:#43715d}.CourseApp_understanding__bUWtx{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:18px;align-items:start}.CourseApp_theoryPanel__3_w7P,.CourseApp_workedExample__eZLcz{background:#fff;border:1px solid #dce4ee;border-radius:13px;padding:25px;min-width:0}.CourseApp_theoryPanel__3_w7P p{white-space:pre-line;font-size:15px;line-height:1.8;margin-top:15px;color:#54677b}.CourseApp_theoryPanel__3_w7P .CourseApp_smallLabel__3zBSZ+p{margin-top:0}.CourseApp_formulaPanel__4g3G8{display:flex;flex-direction:column;gap:9px;background:var(--subject-wash);border:1px solid var(--subject-edge);border-radius:9px;padding:17px;margin-top:23px}.CourseApp_formulaPanel__4g3G8 span{font-size:11px;color:var(--subject-ink)}.CourseApp_formulaPanel__4g3G8 strong{font-size:20px;font-family:SFMono-Regular,Consolas,monospace;font-weight:500;overflow-wrap:anywhere;line-height:1.6;color:#304e88}.CourseApp_workedExample__eZLcz{border-top:4px solid #5474cd;background:linear-gradient(150deg,#edf3ff,#fff 65%)}.CourseApp_workedExample__eZLcz h3{font-size:16px;line-height:1.6}.CourseApp_workedExample__eZLcz ol{display:flex;flex-direction:column;gap:12px;padding:0 0 0 19px;margin:20px 0;color:#536b87;font-size:14px;line-height:1.7}.CourseApp_workedExample__eZLcz li{padding-left:3px}.CourseApp_workedExample__eZLcz li::marker{color:#5a78b2;font-weight:600}.CourseApp_exampleAnswer__uJkeE{display:flex;align-items:center;gap:9px;border-top:1px solid #dae4f4;padding-top:15px;color:#315db2;font-size:15px}.CourseApp_teacherAnswerHidden__NTwzT{font-size:13px;margin-top:17px;color:#607797;line-height:1.7}.CourseApp_exerciseGrid__HMrdq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;align-items:start}.CourseApp_completionPanel__KBNoN{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;background:#edf3fd;border:1px solid #c8d9f5;border-radius:12px;padding:21px 23px;margin-top:21px}.CourseApp_optionalPractice__PfTzS{display:flex;justify-content:space-between;align-items:center;gap:18px;background:#fff;border:1px solid #dce4ef;border-radius:11px;padding:16px 20px;margin-top:14px}.CourseApp_optionalPractice__PfTzS h3{font-size:15px}.CourseApp_optionalPractice__PfTzS p{font-size:12px;margin-top:5px}.CourseApp_optionalPractice__PfTzS .CourseApp_smallLabel__3zBSZ{margin-bottom:5px}.CourseApp_optionalPractice__PfTzS>a{flex-shrink:0}.CourseApp_completionPanel__KBNoN h3{font-size:17px}.CourseApp_completionPanel__KBNoN p{font-size:12px;margin-top:6px}.CourseApp_completionPanel__KBNoN .CourseApp_smallLabel__3zBSZ{margin-bottom:6px}.CourseApp_completionPanel__KBNoN>div:first-child{flex:1;min-width:0}.CourseApp_completionActions__yQ1FS{display:flex;flex-direction:column;align-items:stretch;gap:9px;min-width:210px}.CourseApp_completionActions__yQ1FS>button{flex-shrink:0;justify-content:center;white-space:nowrap}.CourseApp_completionChecklist__AHYyx{display:grid;gap:7px;margin:15px 0 0;padding:0;list-style:none}.CourseApp_completionChecklist__AHYyx li{display:grid;grid-template-columns:17px minmax(0,1fr) auto;align-items:center;gap:8px;color:#6a7890;font-size:12px;line-height:1.5}.CourseApp_completionChecklist__AHYyx li>svg{width:16px;height:16px;color:#a5b1c2}.CourseApp_completionChecklist__AHYyx li>strong{color:#7a8799;font-size:10px;font-weight:500}.CourseApp_completionChecklist__AHYyx .CourseApp_completionChecklistDone__R0yzG{color:#446c5c}.CourseApp_completionChecklist__AHYyx .CourseApp_completionChecklistDone__R0yzG>strong,.CourseApp_completionChecklist__AHYyx .CourseApp_completionChecklistDone__R0yzG>svg{color:#2e8061}.CourseApp_sessionNotice__61iBL{color:#667892;font-size:11px!important;line-height:1.55;margin-top:13px!important}.CourseApp_completionLinks__5Q6t1{display:flex;gap:17px;flex-wrap:wrap;margin-top:12px}.CourseApp_completionLinks__5Q6t1 button{display:flex;gap:5px;align-items:center;font-size:12px;color:#315ba6;min-height:28px}.CourseApp_stepActions__dBEWo{display:flex;justify-content:space-between;gap:15px;border-top:1px solid #dce4ef;padding:19px 0 0;margin-top:24px}.CourseApp_teacherNotice__iXxLj,.CourseApp_teacherPanel__ldw_v{background:#eef3ff;border:1px solid #c4d4f2;border-radius:12px;padding:20px;display:flex;align-items:center;gap:15px;margin-bottom:21px}.CourseApp_teacherNotice__iXxLj>svg{color:#4b6ebe}.CourseApp_teacherNotice__iXxLj p{font-size:13px;line-height:1.7;color:#536d96}.CourseApp_teacherNotice__iXxLj strong{font-weight:600;color:#335797}.CourseApp_teacherPanel__ldw_v{justify-content:space-between;align-items:flex-start;gap:23px}.CourseApp_teacherPanel__ldw_v>div{min-width:0}.CourseApp_teacherPanel__ldw_v h2{font-size:18px}.CourseApp_teacherPanel__ldw_v p{font-size:13px;line-height:1.7;margin-top:9px}.CourseApp_teacherPanel__ldw_v>button{white-space:nowrap}.CourseApp_teacherGoals__XXA2J{padding-top:8px;margin-top:12px;border-top:1px solid #cedaf0}.CourseApp_teacherGoals__XXA2J strong{color:#3a5e9e}.CourseApp_presentation__OCRdH .CourseApp_lessonHeading__1cirG h1{font-size:clamp(30px,3.2vw,43px)}.CourseApp_presentation__OCRdH .CourseApp_exerciseCard__3X5pC h3{font-size:20px}.CourseApp_presentation__OCRdH .CourseApp_theoryPanel__3_w7P p{font-size:17px}.CourseApp_presentation__OCRdH .CourseApp_choices__Qx_0F>button{font-size:16px}.CourseApp_progressPage__k_r1S,.CourseApp_sourcesPage__VxP4Z{max-width:1020px;margin:4px auto 0}.CourseApp_progressPage__k_r1S h1,.CourseApp_sourcesPage__VxP4Z h1{font-size:clamp(29px,3vw,38px);letter-spacing:-1.1px}.CourseApp_pageLead__fj__M{font-size:15px;margin-top:14px;max-width:690px;line-height:1.75}.CourseApp_progressSummary__zGlCN{display:grid;grid-template-columns:240px minmax(0,1fr);gap:34px;align-items:center;border:1px solid #cfdbef;border-radius:15px;background:linear-gradient(120deg,#edf3ff,#fff);padding:29px;margin:28px 0 22px}.CourseApp_progressNumber__Nt1_7{display:block;font-size:48px;line-height:1.2;letter-spacing:-2px;color:#305ace;margin-bottom:8px}.CourseApp_progressNumber__Nt1_7 small{font-size:23px;color:#899bc3;letter-spacing:-1px}.CourseApp_progressSummary__zGlCN h2{font-size:18px}.CourseApp_progressSummary__zGlCN p{font-size:12px;line-height:1.7;margin-top:7px}.CourseApp_trackLabels__Evi9j{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12px;color:#597194}.CourseApp_trackLabels__Evi9j strong{color:#305acb;font-weight:500}.CourseApp_progressTrack__tfCAa progress{appearance:none;display:block;width:100%;height:8px;margin:12px 0;border:0;border-radius:8px;overflow:hidden;background:#e0e8f6}.CourseApp_progressTrack__tfCAa progress::-webkit-progress-bar{background:#e0e8f6}.CourseApp_progressTrack__tfCAa progress::-webkit-progress-value{background:#426ee6;border-radius:8px}.CourseApp_progressTrack__tfCAa progress::-moz-progress-bar{background:#426ee6;border-radius:8px}.CourseApp_progressTrack__tfCAa>button{margin-top:16px}.CourseApp_progressList__3z2cH{display:flex;flex-direction:column;border:1px solid #dce4ee;border-radius:13px;overflow:hidden;background:#fff}.CourseApp_progressList__3z2cH>button{display:flex;align-items:center;gap:17px;padding:18px 21px;text-align:left;border-bottom:1px solid #e2e8f0}.CourseApp_progressList__3z2cH>button:last-child{border:0}.CourseApp_progressList__3z2cH>button:hover{background:#f4f7fd}.CourseApp_progressList__3z2cH>button>svg{margin-left:auto;color:#6787bc}.CourseApp_progressStatus__CW6GS{width:35px;height:35px;border:1px solid #d5deeb;background:#f3f6fb;border-radius:10px;display:grid;place-items:center;font-family:monospace;color:#7189aa;font-size:12px;flex-shrink:0}.CourseApp_done__9R0BB{background:#e7f6ee;border-color:#b9dbca;color:#2f7d5d}.CourseApp_inProgress__bfzTZ{background:#fff6e1;border-color:#ead49b;color:#8d6a21}.CourseApp_progressList__3z2cH>button>div{min-width:0}.CourseApp_progressList__3z2cH strong{display:block;font-size:14px;line-height:1.5;font-weight:500}.CourseApp_progressList__3z2cH>button>div>span{display:block;font-size:11px;margin-top:4px;color:#738299}.CourseApp_progressPrivacy__ctrR1{display:flex;gap:11px;margin:23px 0;color:#73859e}.CourseApp_progressPrivacy__ctrR1>svg{margin-top:2px}.CourseApp_progressPrivacy__ctrR1 h3{font-size:13px;color:#597086}.CourseApp_progressPrivacy__ctrR1 p{font-size:12px;line-height:1.75;margin-top:6px}.CourseApp_resetProgress__IbF0f{color:#6b7b90;font-size:11px;text-decoration:underline;text-underline-offset:3px;padding:7px 0;margin-right:20px;min-height:36px}.CourseApp_scopePanel__xZpjk{border:1px solid var(--subject-edge);background:linear-gradient(150deg,var(--subject-wash),#fff);border-radius:13px;padding:27px;margin:27px 0}.CourseApp_scopePanel__xZpjk>svg{color:var(--subject-tone);margin-bottom:15px}.CourseApp_scopePanel__xZpjk h2{font-size:20px;line-height:1.4}.CourseApp_scopePanel__xZpjk p{font-size:14px;line-height:1.8;margin-top:14px}.CourseApp_sourcesHeading__E7jkk{font-size:18px;padding:9px 0 0}.CourseApp_sourceRow__e0ry_{display:flex;gap:20px;border-bottom:1px solid #dce4ef;padding:24px 0}.CourseApp_sourceRow__e0ry_>span{font-family:monospace;font-size:12px;color:var(--subject-ink);padding-top:3px;min-width:24px}.CourseApp_sourceRow__e0ry_ h3{font-size:16px;line-height:1.5}.CourseApp_sourceRow__e0ry_ p{font-size:13px;line-height:1.75;margin-top:9px}.CourseApp_sourceRow__e0ry_ a{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:#315db2;border:1px solid #d0dcf2;border-radius:6px;padding:7px 10px;margin-top:12px}.CourseApp_sourceRow__e0ry_ a:hover{background:#edf3ff}.CourseApp_sourceNote__WiOoz{display:flex;gap:11px;align-items:flex-start;background:#edf3fd;border:1px solid #d6e1f2;border-radius:10px;padding:19px;margin-top:22px;color:#5777b4}.CourseApp_sourceNote__WiOoz p{font-size:12px;line-height:1.8;color:#536c93}.CourseApp_notice__Om_07{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:30;display:flex;align-items:center;gap:10px;max-width:min(90vw,730px);background:#223a57;color:#fff;border:1px solid #486083;border-radius:10px;box-shadow:0 6px 26px #17284122;padding:12px 14px;font-size:13px;line-height:1.5}.CourseApp_notice__Om_07>span{min-width:0}.CourseApp_notice__Om_07>button{display:flex;align-items:center;justify-content:center;padding:5px;white-space:nowrap;min-width:30px;min-height:30px}.CourseApp_notice__Om_07>button:hover{background:#355170;border-radius:5px}.CourseApp_srOnly__o_ODN{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.CourseApp_catalogHeader__WvqqK{display:flex;align-items:flex-start;justify-content:space-between;gap:25px;padding:3px 0 17px}.CourseApp_catalogHeaderCopy__m1Zkl{min-width:0;max-width:790px}.CourseApp_catalogHeader__WvqqK h1{display:flex;align-items:center;gap:12px;font-size:clamp(30px,3vw,40px);line-height:1.12;letter-spacing:-1.2px;color:#142d50}.CourseApp_catalogTagline__A9Sek{margin-top:2px;font-size:18px;line-height:1.4;font-weight:650;letter-spacing:-.3px;color:#17375d}.CourseApp_catalogDescription__3qb6r{max-width:790px;margin-top:9px;font-size:13px;line-height:1.55;color:#5b708d}.CourseApp_catalogStats__UhEue{display:flex;align-items:center;gap:14px;margin-top:13px}.CourseApp_catalogStats__UhEue>span{display:flex;align-items:center;gap:8px;color:#315bbe;font-size:12px;line-height:1.5}.CourseApp_catalogStats__UhEue>span+span{border-left:1px solid #d6e0ef;padding-left:14px;color:var(--subject-ink)}.CourseApp_catalogLinks___63Yd{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:9px;flex:0 0 auto;padding-top:4px}.CourseApp_catalogLinks___63Yd>a{display:inline-flex;align-items:center;gap:7px;min-height:41px;padding:8px 12px;border:1px solid var(--subject-edge);border-radius:9px;background:var(--subject-wash);color:var(--subject-ink);font-size:11px;font-weight:600;white-space:nowrap}.CourseApp_catalogLinks___63Yd>a:hover{background:var(--subject-wash)}.CourseApp_catalogLinks___63Yd>a>svg:last-child{margin-left:1px}.CourseApp_catalogScope__maHQe{margin-bottom:15px;color:#506581;font-size:12px;line-height:1.55}.CourseApp_catalogScope__maHQe>summary{width:fit-content;padding:5px 0;color:#315bbe;cursor:pointer}.CourseApp_catalogScope__maHQe .CourseApp_scopeStrip__Rt7w5{margin:7px 0 0}.CourseApp_catalogFilters__2vLUj{align-items:end;justify-content:flex-start;flex-wrap:wrap;gap:12px;margin:15px 0 11px}.CourseApp_catalogFilters__2vLUj .CourseApp_courseSettings___3F_4{gap:0}.CourseApp_gradeSelector__nsp07{position:relative;width:238px;max-width:100%;min-width:0}.CourseApp_gradeSelectorIcon__Xnrly{position:absolute;z-index:1;top:14px;left:14px;pointer-events:none;color:var(--subject-ink)}.CourseApp_gradeSelector__nsp07 button[aria-haspopup=listbox]{min-height:48px;padding-left:43px;border-color:var(--subject-edge);border-radius:12px;background:var(--subject-wash);color:var(--subject-ink);font-weight:600}.CourseApp_gradeSelector__nsp07 [role=option][aria-selected=true]{background:var(--subject-wash);color:var(--subject-ink)}.CourseApp_catalogFilters__2vLUj .CourseApp_profileSetting__lKpsk{display:none}.CourseApp_catalogFilters__2vLUj .CourseApp_search__sCYet{flex:1 1 220px;width:280px;max-width:none;min-height:44px}.CourseApp_chapterSelector__7FJLP{display:flex;flex:1 1 260px;flex-direction:column;gap:5px;min-width:0;max-width:440px;color:#506581;font-size:12px}.CourseApp_chapterSelector__7FJLP button[aria-haspopup=listbox]{min-height:44px}.CourseApp_filterSummary__SMjRj{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;margin-bottom:15px;color:#506581;font-size:12px}.CourseApp_filterSummary__SMjRj button{color:#315bbe;text-decoration:underline;text-underline-offset:3px;padding:5px 0}.CourseApp_catalogDetailToggle__xON98{display:inline-flex;align-items:center;gap:8px;min-height:36px;margin-left:auto;cursor:pointer}.CourseApp_catalogDetailToggle__xON98 input{width:16px;height:16px;accent-color:var(--subject-ink)}.CourseApp_catalogDetailToggle__xON98:focus-within{outline:2px solid #6388ff;outline-offset:3px;border-radius:4px}.CourseApp_catalogChapters__sDVw5{display:flex;flex-direction:column;gap:18px}.CourseApp_catalogChapter__9Kt8O{overflow:hidden;border:1px solid #d9e3f1;border-radius:11px;background:#fff}.CourseApp_catalogChapterHeader__cMmUL{display:grid;grid-template-columns:52px minmax(0,1fr) auto;align-items:center;gap:15px;padding:10px 17px;border-bottom:1px solid #e3e9f1}.CourseApp_catalogChapterNumber__JAlG6{display:grid;place-items:center;width:49px;height:49px;border-radius:50%;background:var(--subject-wash);color:var(--subject-ink);font-size:22px;font-weight:650;line-height:1}.CourseApp_catalogChapterHeader__cMmUL h2{color:#18375d;font-size:17px;line-height:1.35;letter-spacing:-.25px}.CourseApp_catalogChapterCount__a0Ti1{color:#355578;font-size:12px;white-space:nowrap}.CourseApp_catalogLessonList__9_jln{display:flex;flex-direction:column}.CourseApp_catalogLessonRow__IEt3W{display:grid;width:100%;grid-template-columns:32px minmax(0,1fr) 71px 20px;grid-template-areas:"icon copy duration arrow";align-items:center;column-gap:14px;min-height:61px;padding:9px 17px;border-bottom:1px solid #e5ebf2;background:#fff;text-align:left;color:inherit}.CourseApp_catalogLessonRow__IEt3W:last-child{border-bottom:0}.CourseApp_catalogLessonRow__IEt3W:hover{background:#f7fafc}.CourseApp_catalogLessonIcon__Sr6oo{position:relative;display:grid;grid-area:icon;place-items:center;width:30px;height:30px;border:1px solid var(--subject-edge);border-radius:8px;background:var(--subject-wash);color:var(--subject-ink)}.CourseApp_catalogCompletedMark__KEy8Z{position:absolute;right:-4px;bottom:-4px;display:grid;place-items:center;width:13px;height:13px;border:1px solid #fff;border-radius:50%;background:var(--subject-tone);color:#fff}.CourseApp_catalogLessonCopy__QuwSR{display:flex;grid-area:copy;min-width:0;flex-direction:column;gap:3px}.CourseApp_catalogLessonCopy__QuwSR strong{color:#1c385b;font-size:16px;font-weight:650;line-height:1.35;overflow-wrap:anywhere}.CourseApp_catalogLessonCopy__QuwSR>span{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;color:#687e9d;font-size:14px;line-height:1.4;overflow-wrap:anywhere}.CourseApp_catalogLessonFormula__55Mjy{display:block;max-width:100%;grid-area:formula;padding:5px 8px;border:1px solid #dce5f2;border-radius:6px;background:#f7f9fc;color:#526b90;font-family:SFMono-Regular,Consolas,monospace;font-size:12px;line-height:1.45;overflow-wrap:anywhere;white-space:normal}.CourseApp_catalogLessonFormula__55Mjy>span{display:block}.CourseApp_catalogLessonDuration__rCDza{display:flex;grid-area:duration;align-items:center;justify-content:flex-end;gap:6px;color:#6d809b;font-size:12px;white-space:nowrap}.CourseApp_catalogLessonArrow__B0TVo{grid-area:arrow;justify-self:center;color:var(--subject-ink)}.CourseApp_catalogLessonRowCompleted__6PbD3 .CourseApp_catalogLessonIcon__Sr6oo{border-color:var(--subject-tone)}@media (min-width:981px){.CourseApp_catalogLessonRow__IEt3W[data-formula=visible]{grid-template-columns:32px minmax(230px,1fr) minmax(240px,.8fr) 71px 20px;grid-template-areas:"icon copy formula duration arrow"}}@media (max-width:980px){.CourseApp_catalogHeader__WvqqK{flex-direction:column;gap:13px}.CourseApp_catalogLinks___63Yd{justify-content:flex-start;padding-top:0}.CourseApp_catalogLessonRow__IEt3W{grid-template-columns:30px minmax(0,1fr) auto;grid-template-areas:"icon copy arrow" "icon duration duration";gap:5px 11px;padding:10px 14px}.CourseApp_catalogLessonRow__IEt3W[data-formula=visible]{grid-template-areas:"icon copy arrow" "icon formula formula" "icon duration duration"}.CourseApp_catalogLessonIcon__Sr6oo{align-self:start}.CourseApp_catalogLessonFormula__55Mjy{justify-self:start;max-width:100%}.CourseApp_catalogLessonDuration__rCDza{align-self:center;justify-self:end}.CourseApp_catalogLessonArrow__B0TVo{align-self:start;margin-top:5px}}@media (max-width:700px){.CourseApp_catalogHeader__WvqqK h1{font-size:33px}.CourseApp_catalogTagline__A9Sek{font-size:17px}.CourseApp_catalogDescription__3qb6r{font-size:12px}.CourseApp_catalogStats__UhEue{gap:9px}.CourseApp_catalogStats__UhEue>span{gap:6px;font-size:11px}.CourseApp_catalogStats__UhEue>span+span{padding-left:9px}.CourseApp_catalogLinks___63Yd{width:100%}.CourseApp_catalogLinks___63Yd>a{flex:1 1 130px;justify-content:center;min-width:0;padding:8px;font-size:10px}.CourseApp_shell__LH3sw .CourseApp_catalogFilters__2vLUj{flex-direction:column;align-items:stretch;gap:9px;margin:14px 0 10px}.CourseApp_catalogFilters__2vLUj .CourseApp_courseSettings___3F_4,.CourseApp_gradeSelector__nsp07{width:100%}.CourseApp_catalogFilters__2vLUj .CourseApp_search__sCYet{flex:1;width:auto;min-width:0;max-width:none;min-height:40px;padding:0 8px;gap:6px}.CourseApp_catalogFilters__2vLUj .CourseApp_search__sCYet input{font-size:12px}.CourseApp_chapterSelector__7FJLP{flex:auto;max-width:none;width:100%}.CourseApp_catalogChapters__sDVw5{gap:13px}.CourseApp_catalogChapterHeader__cMmUL{grid-template-columns:40px minmax(0,1fr) auto;gap:10px;padding:9px 11px}.CourseApp_catalogChapterNumber__JAlG6{width:38px;height:38px;font-size:18px}.CourseApp_catalogChapterHeader__cMmUL h2{font-size:14px}.CourseApp_catalogChapterCount__a0Ti1{font-size:10px}.CourseApp_catalogLessonRow__IEt3W{grid-template-columns:28px minmax(0,1fr) auto;gap:5px 9px;padding:10px}.CourseApp_catalogLessonIcon__Sr6oo{width:27px;height:27px}.CourseApp_catalogLessonCopy__QuwSR strong{font-size:15px}.CourseApp_catalogLessonCopy__QuwSR>span{font-size:13px}.CourseApp_catalogLessonFormula__55Mjy{max-width:100%;font-size:12px}.CourseApp_catalogLessonDuration__rCDza{font-size:12px}.CourseApp_catalogLessonDuration__rCDza>svg{width:13px;height:13px}}@media (max-width:1250px){.CourseApp_lessonGrid__Bn6e9{grid-template-columns:repeat(2,minmax(0,1fr))}.CourseApp_hero__v__tT{grid-template-columns:minmax(0,1fr) 190px;gap:23px}.CourseApp_heroArt__brgOA{min-height:190px}.CourseApp_courseSettings___3F_4{gap:19px}.CourseApp_profileSetting__lKpsk{display:none}.CourseApp_cardFormula__XTTAX{font-size:13px}}@media (max-width:850px){.CourseApp_hero__v__tT{grid-template-columns:minmax(0,1fr) 160px}.CourseApp_heroArt__brgOA>svg{width:125px;height:125px}.CourseApp_heroArt__brgOA>span{font-size:7px}.CourseApp_heroArt__brgOA{min-height:176px}.CourseApp_hero__v__tT h1{font-size:34px}.CourseApp_hero__v__tT p{font-size:15px}.CourseApp_scopeStrip__Rt7w5{padding:12px}.CourseApp_scopeStrip__Rt7w5 button,.CourseApp_scopeStrip__Rt7w5 p{font-size:11px}.CourseApp_understanding__bUWtx{gap:14px}.CourseApp_theoryPanel__3_w7P,.CourseApp_workedExample__eZLcz{padding:21px}.CourseApp_progressSummary__zGlCN{grid-template-columns:190px minmax(0,1fr);gap:24px}.CourseApp_presentation__OCRdH .CourseApp_exerciseCard__3X5pC h3{font-size:18px}}@media (max-width:700px){.CourseApp_hero__v__tT{grid-template-columns:minmax(0,1fr);padding:0 0 18px}.CourseApp_heroArt__brgOA{display:none}.CourseApp_hero__v__tT h1{font-size:33px}.CourseApp_hero__v__tT .CourseApp_kicker__qU5M4{margin-bottom:13px}.CourseApp_hero__v__tT p{font-size:15px}.CourseApp_heroFacts__gVkI8{gap:7px;margin-top:18px}.CourseApp_heroFacts__gVkI8>span{font-size:11px;padding:5px 7px}.CourseApp_scopeStrip__Rt7w5{align-items:flex-start;flex-wrap:wrap;gap:8px}.CourseApp_scopeStrip__Rt7w5>svg{margin-top:2px}.CourseApp_scopeStrip__Rt7w5 p{flex:1;font-size:12px}.CourseApp_scopeStrip__Rt7w5 button{margin-left:25px;font-size:12px}.CourseApp_continueCard__mA6CR{flex-wrap:wrap;padding:17px;gap:12px}.CourseApp_continueCard__mA6CR>div{flex-basis:calc(100% - 60px)}.CourseApp_continueCard__mA6CR>button{margin-left:55px}.CourseApp_continueCard__mA6CR h2{font-size:16px}.CourseApp_continueIcon__oUwhw{width:40px;height:40px}.CourseApp_catalogControls__3sAs6{flex-direction:column;align-items:stretch;gap:14px;margin-top:22px}.CourseApp_courseSettings___3F_4{gap:16px}.CourseApp_courseSettings___3F_4 label{flex:1;min-width:0}.CourseApp_courseSettings___3F_4 select{font-size:12px}.CourseApp_profileSetting__lKpsk{display:flex;flex:1}.CourseApp_profileSetting__lKpsk strong{font-size:11px}.CourseApp_search__sCYet{width:100%;max-width:none;min-width:0;min-height:43px}.CourseApp_search__sCYet input{font-size:14px}.CourseApp_chapterFilters__SOAWV{margin-bottom:22px;gap:6px}.CourseApp_chapterFilters__SOAWV button{font-size:11px;padding:7px 9px;min-height:35px}.CourseApp_catalogHeading__8_YO6{gap:10px;align-items:flex-start}.CourseApp_catalogHeading__8_YO6 h2{font-size:17px}.CourseApp_catalogHeading__8_YO6>span{font-size:11px;padding-top:3px}.CourseApp_lessonGrid__Bn6e9{grid-template-columns:1fr;gap:13px}.CourseApp_lessonCard__86wF3{padding:20px}.CourseApp_lessonCard__86wF3 h3{font-size:18px}.CourseApp_lessonCard__86wF3>p{font-size:14px}.CourseApp_cardTop__D4QCJ{margin-bottom:14px}.CourseApp_chapterLabel__aspxy{font-size:11px}.CourseApp_cardFormula__XTTAX{font-size:14px;margin-top:16px;padding:9px 12px}.CourseApp_cardBottom__71fCG{font-size:13px}.CourseApp_cardBottom__71fCG>span:last-child{font-size:12px}.CourseApp_lessonHeading__1cirG{gap:12px;margin-bottom:20px;align-items:flex-start}.CourseApp_lessonHeading__1cirG h1{font-size:29px}.CourseApp_lessonHeading__1cirG p{font-size:14px;line-height:1.7}.CourseApp_lessonHeading__1cirG .CourseApp_kicker__qU5M4{font-size:9px;padding:5px 8px}.CourseApp_duration__VF2S2{display:none}.CourseApp_steps__NlCbk{gap:3px;padding:5px;border-radius:10px;margin-bottom:21px}.CourseApp_steps__NlCbk button{flex-direction:column;gap:4px;padding:8px 3px;font-size:11px;line-height:1.5;min-height:56px}.CourseApp_steps__NlCbk button>span{font-size:9px}.CourseApp_steps__NlCbk button>svg{display:none}.CourseApp_stepIntroduction__UIxOH h2{font-size:19px}.CourseApp_stepIntroduction__UIxOH .CourseApp_smallLabel__3zBSZ{font-size:9px}.CourseApp_exerciseCard__3X5pC{padding:19px}.CourseApp_exerciseCard__3X5pC h3{font-size:17px;line-height:1.65}.CourseApp_choices__Qx_0F>button{font-size:14px;min-height:49px}.CourseApp_numberAnswer__2H2D4{font-size:12px}.CourseApp_numberAnswer__2H2D4 input{font-size:18px;width:160px}.CourseApp_numberAnswer__2H2D4 small{font-size:11px;line-height:1.6}.CourseApp_checkAnswer__mv3Jo{font-size:13px;padding:10px 13px}.CourseApp_hintButton__iYK7c{font-size:12px}.CourseApp_feedback__9CyMz,.CourseApp_hint__l7BLr,.CourseApp_solution__IC12a p{font-size:13px}.CourseApp_revealButton__V0_ru{font-size:12px}.CourseApp_reassurance__uG7VM{font-size:12px;line-height:1.7}.CourseApp_objective__EpmZp{font-size:13px;padding:15px}.CourseApp_understanding__bUWtx{grid-template-columns:1fr;gap:15px}.CourseApp_theoryPanel__3_w7P,.CourseApp_workedExample__eZLcz{padding:21px}.CourseApp_theoryPanel__3_w7P p{font-size:15px;line-height:1.8}.CourseApp_formulaPanel__4g3G8 strong{font-size:20px}.CourseApp_workedExample__eZLcz h3{font-size:16px}.CourseApp_workedExample__eZLcz ol{font-size:14px}.CourseApp_exerciseGrid__HMrdq{grid-template-columns:1fr;gap:14px}.CourseApp_completionPanel__KBNoN{flex-direction:column;align-items:stretch;gap:16px;padding:19px}.CourseApp_completionPanel__KBNoN p{font-size:12px;line-height:1.7}.CourseApp_optionalPractice__PfTzS{flex-direction:column;align-items:stretch;gap:12px;padding:17px}.CourseApp_optionalPractice__PfTzS>a{align-self:flex-start}.CourseApp_completionActions__yQ1FS{width:100%;min-width:0}.CourseApp_completionActions__yQ1FS>button{width:100%}.CourseApp_completionLinks__5Q6t1{gap:7px 13px}.CourseApp_stepActions__dBEWo{gap:8px;padding-top:18px;margin-top:22px}.CourseApp_stepActions__dBEWo>button{font-size:12px;padding:10px;gap:6px}.CourseApp_teacherPanel__ldw_v{flex-direction:column;gap:14px;padding:18px}.CourseApp_teacherPanel__ldw_v>button{font-size:12px}.CourseApp_teacherPanel__ldw_v p{font-size:13px}.CourseApp_teacherNotice__iXxLj{align-items:flex-start;padding:15px}.CourseApp_teacherNotice__iXxLj p{font-size:12px}.CourseApp_progressSummary__zGlCN{grid-template-columns:1fr;gap:23px;padding:23px;margin-top:23px}.CourseApp_progressSummary__zGlCN>div:first-child{padding-bottom:20px;border-bottom:1px solid #dae4f3}.CourseApp_progressNumber__Nt1_7{font-size:46px}.CourseApp_progressList__3z2cH>button{padding:17px 14px;gap:12px}.CourseApp_progressList__3z2cH strong{font-size:14px}.CourseApp_progressList__3z2cH>button>div>span{font-size:11px}.CourseApp_progressStatus__CW6GS{width:31px;height:31px;border-radius:8px}.CourseApp_progressPrivacy__ctrR1 p{font-size:12px}.CourseApp_scopePanel__xZpjk{padding:21px}.CourseApp_scopePanel__xZpjk h2{font-size:19px}.CourseApp_scopePanel__xZpjk p{font-size:14px}.CourseApp_sourceRow__e0ry_{gap:12px}.CourseApp_sourceRow__e0ry_ h3{font-size:16px}.CourseApp_sourceRow__e0ry_ p{font-size:13px}.CourseApp_sourceRow__e0ry_ a{font-size:12px}.CourseApp_sourceNote__WiOoz{padding:16px}.CourseApp_sourceNote__WiOoz p{font-size:12px}.CourseApp_notice__Om_07{bottom:14px;max-width:calc(100vw - 24px);width:max-content;font-size:12px;padding:11px;gap:8px}.CourseApp_notice__Om_07>svg{display:none}.CourseApp_roadmap__9ssSs{padding:33px 20px}.CourseApp_empty__ws7pO{padding:30px 19px}}@media (max-width:380px){.CourseApp_hero__v__tT h1{font-size:29px}.CourseApp_heroFacts__gVkI8>span{font-size:10px}.CourseApp_profileSetting__lKpsk{display:none}.CourseApp_catalogHeading__8_YO6{flex-direction:column;gap:5px}.CourseApp_catalogHeading__8_YO6>span{padding-top:0}.CourseApp_stepActions__dBEWo>button{font-size:11px;padding:10px 8px}.CourseApp_stepActions__dBEWo>button>svg{width:12px}.CourseApp_steps__NlCbk button{font-size:10px}.CourseApp_completionLinks__5Q6t1{flex-direction:column;align-items:flex-start}}@media (prefers-reduced-motion:reduce){.CourseApp_lessonCard__86wF3{transition:none}.CourseApp_lessonCard__86wF3:hover{transform:none}}.LearningWrittenWork_work__GSMAY{padding:22px;border:1px solid #d4dfed;border-radius:14px;background:#f7faff}.LearningWrittenWork_kicker__UIco_{color:#42628e;font-size:11px;font-weight:700;letter-spacing:.07em}.LearningWrittenWork_work__GSMAY h3{margin:9px 0 14px;font-size:20px}.LearningWrittenWork_task__01obN{margin-bottom:18px;color:#334f6d;font-size:14px;line-height:1.8;white-space:pre-line}.LearningWrittenWork_work__GSMAY label{display:block;margin-bottom:8px;font-size:13px;font-weight:600}.LearningWrittenWork_work__GSMAY textarea{width:100%;box-sizing:border-box;resize:vertical;padding:13px;border:1px solid #bdcde0;border-radius:9px;background:#fff;color:#172b42;font:inherit;line-height:1.65}.LearningWrittenWork_work__GSMAY textarea:focus-visible{outline:3px solid #83a7ea;outline-offset:2px}.LearningWrittenWork_note__oA4E_,.LearningWrittenWork_status__ZKbz4{font-size:12px;line-height:1.65;color:#5e7490}.LearningWrittenWork_status__ZKbz4{margin-top:7px}.LearningWrittenWork_note__oA4E_{margin-top:12px}@media (max-width:540px){.LearningWrittenWork_work__GSMAY{padding:16px}}.LearningFigures_figures__JAH5m{display:grid;gap:18px;margin-block:20px;min-width:0}.LearningFigures_figures__JAH5m figure{margin:0;padding:clamp(10px,2vw,20px);border:1px solid #d6e2ef;border-radius:14px;background:#fff;min-width:0}.LearningFigures_figures__JAH5m img{display:block;width:100%;height:auto;max-height:680px;object-fit:contain}.LearningFigures_figures__JAH5m figcaption{margin-top:12px;color:#49627e;font-size:13px;line-height:1.65}.MusicListeningLab_lab__4FhwP{--music-ink:#70477e;--music-edge:#e2d5e7;padding:clamp(18px,3vw,28px);border:1px solid var(--music-edge);border-radius:22px;background:linear-gradient(135deg,#fcf7fd,#fffaf4);color:#384355;min-width:0}.MusicListeningLab_heading__tdp_k{display:flex;align-items:center;gap:13px}.MusicListeningLab_heading__tdp_k h3{font-size:23px;margin:3px 0 0;letter-spacing:-.5px;color:#493450}.MusicListeningLab_badge__VjrXb{display:grid;place-items:center;width:48px;height:48px;flex-shrink:0;border:1px solid #dbc8e2;border-radius:15px;background:#efdef2;color:var(--music-ink);font-size:32px}.MusicListeningLab_eyebrow__UDjLU{color:#80658a;font-size:11px;font-weight:700;letter-spacing:.7px;text-transform:uppercase}.MusicListeningLab_intro__l5iLo,.MusicListeningLab_teacher__TmZ4_{font-size:13px;line-height:1.65;margin:14px 0 0;color:#625b6a}.MusicListeningLab_choices__8V20u{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.MusicListeningLab_choices__8V20u button,.MusicListeningLab_stop__4_zto{border:1px solid var(--music-edge);border-radius:11px;background:#fff;color:#665371;padding:10px 13px;font:inherit;font-size:13px;font-weight:600;cursor:pointer;min-height:42px}.MusicListeningLab_choices__8V20u button[aria-pressed=true]{border-color:#9062a0;background:#eee0f3;color:#613c71;box-shadow:inset 0 0 0 1px #9062a0}.MusicListeningLab_paper__53C_5{border:1px solid #e7dfdd;border-radius:15px;background:#fffdf9;padding:16px 17px 12px}.MusicListeningLab_scoreHeading__gI5VW{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 14px;color:#4d4058;font-size:14px}.MusicListeningLab_scoreHeading__gI5VW span{color:#82728b;font-size:12px}.MusicListeningLab_paper__53C_5>p{font-size:13px;line-height:1.5;margin:9px 0 0}.MusicListeningLab_scoreScroll__mHvBj{overflow-x:auto;overscroll-behavior-x:contain;margin-top:5px;border-radius:8px}.MusicListeningLab_score__03COd{display:block;width:100%;min-width:480px;height:auto;max-height:220px}.MusicListeningLab_quiet__VBlK_{color:#796583}.MusicListeningLab_sounding__DMonG{color:#814b9c}.MusicListeningLab_noteShape__w9WzF{fill:#d9bce6;stroke:#906ca2;stroke-width:2px}.MusicListeningLab_sounding__DMonG .MusicListeningLab_noteShape__w9WzF{fill:#9862b1;stroke:#553269;stroke-width:3px}.MusicListeningLab_noteShape__w9WzF[data-rest=true]{fill:none;stroke-dasharray:4 3}.MusicListeningLab_legend__Va00N{color:#786b80;font-size:11px!important;border-top:1px solid #eee7ed;padding-top:10px}.MusicListeningLab_controls__X3Pkn{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px}.MusicListeningLab_play__Fo8qh{display:inline-flex;align-items:center;gap:8px;background:var(--music-ink);color:white;border:1px solid var(--music-ink);border-radius:11px;padding:12px 17px;min-height:44px;font:inherit;font-size:13px;font-weight:700;cursor:pointer}.MusicListeningLab_stop__4_zto{min-height:44px}.MusicListeningLab_tempo__92Sk1{display:grid;gap:5px;min-width:190px;flex:1;max-width:300px;padding:0 4px;font-size:12px}.MusicListeningLab_tempo__92Sk1 span{display:flex;gap:10px;justify-content:space-between}.MusicListeningLab_tempo__92Sk1 strong{font-weight:500;color:#7c6a85}.MusicListeningLab_tempo__92Sk1 input{width:100%;accent-color:var(--music-ink);min-height:25px;margin:0;cursor:pointer}.MusicListeningLab_timbre__ufIhH{display:grid;gap:5px;color:#75627e;font-size:12px}.MusicListeningLab_timbre__ufIhH select{border:1px solid var(--music-edge);border-radius:8px;padding:7px;background:#fff;color:#57445f;font:inherit}.MusicListeningLab_lab__4FhwP button:disabled,.MusicListeningLab_lab__4FhwP input:disabled,.MusicListeningLab_lab__4FhwP select:disabled{opacity:.5;cursor:default}.MusicListeningLab_lab__4FhwP button:focus-visible,.MusicListeningLab_lab__4FhwP input:focus-visible,.MusicListeningLab_lab__4FhwP select:focus-visible,.MusicListeningLab_scoreScroll__mHvBj:focus-visible{outline:3px solid #b07bc7;outline-offset:3px}.MusicListeningLab_playback__i3rjz{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:14px}.MusicListeningLab_pulse__Msm3S{display:flex;flex-wrap:wrap;gap:5px}.MusicListeningLab_unitLabel__HmbD7{color:#786982;font-size:11px}.MusicListeningLab_pulse__Msm3S span{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--music-edge);color:#807086;background:#fff;font-size:11px;transition:background-color .12s}.MusicListeningLab_pulse__Msm3S span[data-active=true]{color:#fff;background:var(--music-ink);border-color:var(--music-ink);font-weight:700}.MusicListeningLab_playback__i3rjz p{margin:0;color:#786982;font-size:12px;line-height:1.5}.MusicListeningLab_challenge__v1Sma{margin-top:18px;padding:13px 15px;border:1px solid #e6dcc5;background:#fbf5e7;border-radius:12px}.MusicListeningLab_challenge__v1Sma strong{font-size:12px;color:#826b3f}.MusicListeningLab_challenge__v1Sma p{margin:5px 0 0;font-size:13px;line-height:1.6;color:#675b46}.MusicListeningLab_teacher__TmZ4_{font-size:11px}.MusicListeningLab_error__HMf_Z{color:#963f4e;background:#fff0f2;border:1px solid #edcbd2;border-radius:9px;padding:10px;font-size:13px;line-height:1.5}@media (max-width:550px){.MusicListeningLab_heading__tdp_k h3{font-size:20px}.MusicListeningLab_paper__53C_5{padding:13px 10px}.MusicListeningLab_tempo__92Sk1{flex-basis:100%;max-width:none;margin-top:4px}.MusicListeningLab_choices__8V20u button{flex:1 1 130px}}@media (prefers-reduced-motion:reduce){.MusicListeningLab_pulse__Msm3S span{transition:none}}.CurriculumCoverage_panel__pJwuj{margin:28px 0;border:1px solid #dce4ee;border-radius:18px;padding:24px;background:#fff;color:#26394d}.CurriculumCoverage_heading__7pYSI{display:flex;align-items:center;gap:12px}.CurriculumCoverage_heading__7pYSI svg{flex-shrink:0;color:#516bb0}.CurriculumCoverage_heading__7pYSI h2{margin:0;font-size:22px}.CurriculumCoverage_footnote__4dxqs,.CurriculumCoverage_intro__Odi_K,.CurriculumCoverage_notes__R1uSW p{font-size:14px;line-height:1.7}.CurriculumCoverage_intro__Odi_K{margin:14px 0}.CurriculumCoverage_counts__SdZ67{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:13px}.CurriculumCoverage_counts__SdZ67 strong{color:#345c8b;font-size:17px}.CurriculumCoverage_notes__R1uSW{margin-top:18px;font-size:13px}.CurriculumCoverage_notes__R1uSW summary{cursor:pointer;font-weight:600}.CurriculumCoverage_group__3homW{margin-top:18px;border-top:1px solid #e6ebf1}.CurriculumCoverage_group__3homW>summary{cursor:pointer;padding:16px 0;font-weight:700;font-size:14px}.CurriculumCoverage_group__3homW>summary span{margin-left:12px;color:#617185;font-size:12px;font-weight:400}.CurriculumCoverage_lessons__opSC8,.CurriculumCoverage_list__9gnsr{list-style:none;margin:0;padding:0}.CurriculumCoverage_row__F8zhj{padding:18px 0;border-top:1px solid #edf0f5}.CurriculumCoverage_rowTitle__wiYGV{display:flex;gap:9px;align-items:flex-start}.CurriculumCoverage_rowTitle__wiYGV svg{flex-shrink:0;margin-top:2px;color:#477b68}.CurriculumCoverage_rowTitle__wiYGV h3{font-size:14px;line-height:1.6;margin:0}.CurriculumCoverage_status__vUK9H{color:#526a7d;font-size:12px;margin:5px 0 8px 27px}.CurriculumCoverage_note__XhKBw{font-size:13px;line-height:1.65;color:#5d6877}.CurriculumCoverage_lessons__opSC8{display:grid;gap:6px;margin:8px 0 12px 27px}.CurriculumCoverage_lessons__opSC8 a,.CurriculumCoverage_lessons__opSC8 button{background:none;border:none;padding:3px 0;color:#365fa0;font:inherit;font-size:13px;text-align:left;cursor:pointer;line-height:1.6}.CurriculumCoverage_lessons__opSC8 a:hover,.CurriculumCoverage_lessons__opSC8 button:hover{text-decoration:underline}.CurriculumCoverage_lessons__opSC8 button span{color:#617185}.CurriculumCoverage_writtenTask__sYbId{font-size:13px;color:#526a7d;line-height:1.6}.CurriculumCoverage_source__SYuXf{max-width:100%;overflow-wrap:anywhere;display:inline-flex;gap:5px;align-items:center;color:#4b627e;font-size:12px;line-height:1.6}.CurriculumCoverage_source__SYuXf svg{flex-shrink:0}.CurriculumCoverage_source__SYuXf:hover{color:#254b83}.CurriculumCoverage_group__3homW summary:focus-visible,.CurriculumCoverage_lessons__opSC8 a:focus-visible,.CurriculumCoverage_lessons__opSC8 button:focus-visible,.CurriculumCoverage_notes__R1uSW summary:focus-visible,.CurriculumCoverage_source__SYuXf:focus-visible{outline:2px solid #4268b2;outline-offset:4px;border-radius:4px}.CurriculumCoverage_footnote__4dxqs{margin:20px 0 0;color:#617185;font-size:12px}.CurriculumCoverage_srOnly__L7jCu{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width:600px){.CurriculumCoverage_panel__pJwuj{padding:18px 16px}.CurriculumCoverage_heading__7pYSI h2{font-size:20px}.CurriculumCoverage_counts__SdZ67{flex-direction:column;gap:8px}.CurriculumCoverage_group__3homW>summary span{display:block;margin:5px 0 0}.CurriculumCoverage_lessons__opSC8{margin-left:0}}.MathematicsFormulas_shell__6pC5D{min-height:100vh;background:#f0f7fd;--formula-ink:#112b50;--formula-tone:#b84830;--formula-wash:#fff3ee;--formula-edge:#f0cabc}.MathematicsFormulas_main__02lIZ{max-width:1580px;padding:18px 48px 64px;margin:0 auto;container-type:inline-size}.MathematicsFormulas_reference__gMPAT{min-width:0;color:var(--formula-ink)}.MathematicsFormulas_intro__mwIyH{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:14px}.MathematicsFormulas_intro__mwIyH h1{color:#10274b;font-size:42px;line-height:1.15;letter-spacing:-1.3px}.MathematicsFormulas_intro__mwIyH p{margin-top:8px;color:#49617f;font-size:18px;line-height:1.6}.MathematicsFormulas_lessonCount__y1Lyy{display:flex;flex:none;flex-direction:column;align-items:center;justify-content:center;width:64px;min-height:64px;border:1px solid var(--formula-edge);border-radius:17px;background:#fffaf7;color:var(--formula-tone)}.MathematicsFormulas_lessonCount__y1Lyy strong{font-size:28px;line-height:1.15}.MathematicsFormulas_lessonCount__y1Lyy span{margin-top:3px;font-size:14px}.MathematicsFormulas_scopeNote__0ykuq{padding:10px 16px;border-left:3px solid #e57b60;border-radius:0 9px 9px 0;background:#fffaf8;color:#4c6380;font-size:14px;line-height:1.6}.MathematicsFormulas_filterPanel__PdOr1{display:grid;grid-template-columns:minmax(240px,1.65fr) minmax(140px,.6fr) minmax(180px,.85fr) auto;align-items:end;gap:16px;margin:16px 0 20px;padding:16px;border:1px solid #dce6ef;border-radius:12px;background:#fff}.MathematicsFormulas_searchControl__yQ0Xg,.MathematicsFormulas_selectControl__1MsEr{min-width:0}.MathematicsFormulas_searchControl__yQ0Xg label,.MathematicsFormulas_selectControl__1MsEr label{display:block;margin-bottom:7px;color:#294565;font-size:14px;font-weight:650}.MathematicsFormulas_searchInput__lcwUs{display:flex;align-items:center;gap:10px;height:48px;padding:0 13px;border:1px solid #cddbe9;border-radius:8px;background:#fff;color:#7186a1}.MathematicsFormulas_searchInput__lcwUs svg{flex:none}.MathematicsFormulas_searchInput__lcwUs:focus-within{outline:3px solid #aac5e8;outline-offset:2px}.MathematicsFormulas_searchInput__lcwUs input{width:100%;min-width:0;height:100%;border:0;outline:0;background:transparent;color:#263e60;font-size:15px}.MathematicsFormulas_searchInput__lcwUs input::placeholder{color:#70839b}.MathematicsFormulas_selectControl__1MsEr select{width:100%;height:48px;padding:0 12px;border:1px solid #cddbe9;border-radius:8px;background:#fff;color:#294565;font-size:15px}.MathematicsFormulas_backButton__3svmd,.MathematicsFormulas_resetButton__ln5br{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:8px;padding:0 14px;border:1px solid #dbe4ee;border-radius:8px;background:#fff;color:#48658b;font-size:14px;font-weight:600;white-space:nowrap;cursor:pointer}.MathematicsFormulas_resetButton__ln5br:disabled{opacity:.55;cursor:default}.MathematicsFormulas_backButton__3svmd:hover,.MathematicsFormulas_resetButton__ln5br:not(:disabled):hover{background:#edf4fc}.MathematicsFormulas_reference__gMPAT :is(button,select,a,summary):focus-visible{outline:3px solid #6196ce;outline-offset:3px}.MathematicsFormulas_workspace__aVQSE{display:grid;grid-template-columns:minmax(270px,.31fr) minmax(0,.69fr);align-items:start;gap:24px}.MathematicsFormulas_library__c_b7H{min-width:0;padding:20px 0;border:1px solid #e2eaf2;border-radius:12px;background:#fff}.MathematicsFormulas_resultsHeading__Z8uka{display:flex;align-items:baseline;flex-wrap:wrap;justify-content:space-between;gap:8px;padding:0 20px 12px}.MathematicsFormulas_resultsHeading__Z8uka h2{color:#10274b;font-size:23px;line-height:1.3}.MathematicsFormulas_resultsHeading__Z8uka p{color:#59708e;font-size:14px}.MathematicsFormulas_referenceGroup__uSng7 h3{padding:17px 20px 10px;color:#58708e;font-size:15px;font-weight:650;line-height:1.5}.MathematicsFormulas_referenceButton__ymTXT{display:flex;align-items:center;justify-content:space-between;width:100%;gap:12px;padding:18px 20px;border:0;border-left:4px solid transparent;border-bottom:1px solid #e9eef4;background:transparent;color:#153258;text-align:left;cursor:pointer}.MathematicsFormulas_referenceButton__ymTXT>span{min-width:0}.MathematicsFormulas_referenceButton__ymTXT strong{display:block;font-size:18px;font-weight:650;line-height:1.45}.MathematicsFormulas_referenceButton__ymTXT span span{display:block;margin-top:5px;color:#5d7290;font-size:14px;line-height:1.5}.MathematicsFormulas_referenceButton__ymTXT svg{flex:none}.MathematicsFormulas_referenceButton__ymTXT:hover{background:#f4f8fd}.MathematicsFormulas_referenceButton__ymTXT.MathematicsFormulas_selected__otePy{border-left-color:#dd7055;background:#fff2ec}.MathematicsFormulas_selected__otePy svg{color:#c3573b}.MathematicsFormulas_card__5Hti0{min-width:0;padding:28px 30px;border:1px solid #e2eaf2;border-radius:12px;background:#fff}.MathematicsFormulas_cardHeader__G6Qr6{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:18px 24px}.MathematicsFormulas_cardHeader__G6Qr6>div:first-child{flex:1 1 330px}.MathematicsFormulas_chapter__zamvW{display:block;margin-bottom:8px;color:#59708e;font-size:14px;line-height:1.6}.MathematicsFormulas_cardHeader__G6Qr6 h2{color:#10274b;font-size:28px;line-height:1.25;letter-spacing:-.7px}.MathematicsFormulas_grade__ccila{display:inline-block;margin-top:10px;padding:3px 11px;border:1px solid var(--formula-edge);border-radius:999px;background:var(--formula-wash);color:var(--formula-tone);font-size:14px;font-weight:650}.MathematicsFormulas_focus__Bkgrz{margin-top:18px;color:#405d80;font-size:18px;line-height:1.6}.MathematicsFormulas_links__76FZK{display:flex;flex-wrap:wrap;gap:10px}.MathematicsFormulas_links__76FZK a{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border:1px solid #d4e0ee;border-radius:8px;color:#315880;font-size:14px;font-weight:650;text-decoration:none}.MathematicsFormulas_links__76FZK a:hover{background:#f0f5fb}.MathematicsFormulas_links__76FZK .MathematicsFormulas_primaryLink__OzpcW{border-color:#bf4e33;background:#c45136;color:#fff}.MathematicsFormulas_links__76FZK .MathematicsFormulas_primaryLink__OzpcW:hover{background:#af432b}.MathematicsFormulas_formulaBlock__BJIBV{min-width:0;margin:22px 0;padding:14px 20px 16px;border:1px solid #f3ddd2;border-radius:10px;background:#fff9f5}.MathematicsFormulas_formulaBlock__BJIBV figcaption{margin-bottom:12px;color:#9f5844;font-size:14px;font-weight:650;letter-spacing:1.3px;text-transform:uppercase}.MathematicsFormulas_formulaBlock__BJIBV pre{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;text-align:center}.MathematicsFormulas_formulaBlock__BJIBV code{color:#112b50;font-family:Cambria Math,Cambria,Georgia,serif;font-size:38px;line-height:1.35}.MathematicsFormulas_method__nt5QB h3,.MathematicsFormulas_symbolSection__rzoNY h3{margin-bottom:12px;color:#142e52;font-size:21px;line-height:1.4}.MathematicsFormulas_symbols__fUlOW{display:grid;gap:8px;margin:0}.MathematicsFormulas_symbols__fUlOW>div{display:grid;grid-template-columns:minmax(100px,.3fr) minmax(0,1fr);align-items:baseline;gap:16px}.MathematicsFormulas_symbols__fUlOW dt{padding:4px 12px;border-radius:6px;background:#f3f6f9;color:#193657;font-size:20px;overflow-wrap:anywhere}.MathematicsFormulas_symbols__fUlOW dd{margin:0;color:#486180;font-size:18px;line-height:1.6}.MathematicsFormulas_symbols__fUlOW code{font-family:Cambria Math,Cambria,Georgia,serif;font-weight:650}.MathematicsFormulas_condition__MPeyq,.MathematicsFormulas_mistake__Q5cpm{display:flex;flex-direction:column;gap:7px;margin-top:24px;padding-top:20px;border-top:1px solid #e7edf4;color:#486180;font-size:18px;line-height:1.6}.MathematicsFormulas_condition__MPeyq strong,.MathematicsFormulas_mistake__Q5cpm strong{color:#193452;font-size:21px}.MathematicsFormulas_method__nt5QB{margin-top:24px;padding-top:20px;border-top:1px solid #e7edf4}.MathematicsFormulas_method__nt5QB ol{list-style:decimal;padding-left:26px;margin:0;color:#486180;font-size:18px;line-height:1.6}.MathematicsFormulas_method__nt5QB li{padding-left:5px}.MathematicsFormulas_method__nt5QB li::marker{color:#b94b32;font-weight:700}.MathematicsFormulas_method__nt5QB li+li{margin-top:12px}.MathematicsFormulas_mistake__Q5cpm{padding:18px 20px;border:1px solid #f0e0d7;border-radius:9px;background:#fff9f5}.MathematicsFormulas_question__v92Kl{margin-bottom:16px}.MathematicsFormulas_answer__mrIju{margin-top:18px;padding:14px 16px;border-radius:8px;background:#f0f7f3;color:#356853}.MathematicsFormulas_emptyState__j2pRv{display:flex;min-height:290px;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:28px;border:1px dashed #c9d8e5;border-radius:12px;background:#fff;text-align:center}.MathematicsFormulas_emptyState__j2pRv h2{font-size:24px}.MathematicsFormulas_emptyState__j2pRv p{color:#59708e;font-size:18px;line-height:1.6}.MathematicsFormulas_backButton__3svmd{display:none}@media (max-width:1250px){.MathematicsFormulas_filterPanel__PdOr1{grid-template-columns:minmax(0,1fr) minmax(0,1.3fr) auto}.MathematicsFormulas_searchControl__yQ0Xg{grid-column:1/-1}.MathematicsFormulas_main__02lIZ{padding:28px 24px 56px}}@container (max-width:900px){.MathematicsFormulas_workspace__aVQSE{grid-template-columns:minmax(0,1fr)}.MathematicsFormulas_card__5Hti0{display:none}.MathematicsFormulas_readerOpen__j7Qqe .MathematicsFormulas_card__5Hti0{display:block}.MathematicsFormulas_readerOpen__j7Qqe .MathematicsFormulas_filterPanel__PdOr1,.MathematicsFormulas_readerOpen__j7Qqe .MathematicsFormulas_library__c_b7H,.MathematicsFormulas_readerOpen__j7Qqe .MathematicsFormulas_scopeNote__0ykuq{display:none}.MathematicsFormulas_backButton__3svmd{display:inline-flex;margin-bottom:22px}.MathematicsFormulas_library__c_b7H{padding-bottom:0}}@media (max-width:600px){.MathematicsFormulas_main__02lIZ{padding:24px 16px 40px}.MathematicsFormulas_intro__mwIyH{align-items:flex-start;gap:12px}.MathematicsFormulas_intro__mwIyH h1{font-size:34px}.MathematicsFormulas_intro__mwIyH p{font-size:17px}.MathematicsFormulas_lessonCount__y1Lyy{width:64px;min-height:70px}.MathematicsFormulas_filterPanel__PdOr1{grid-template-columns:minmax(0,1fr);padding:16px}.MathematicsFormulas_searchControl__yQ0Xg{grid-column:auto}.MathematicsFormulas_card__5Hti0{padding:22px 18px}.MathematicsFormulas_cardHeader__G6Qr6 h2{font-size:28px}.MathematicsFormulas_formulaBlock__BJIBV{padding:16px 14px}.MathematicsFormulas_formulaBlock__BJIBV code{font-size:28px}.MathematicsFormulas_symbols__fUlOW>div{grid-template-columns:minmax(75px,.3fr) minmax(0,1fr);gap:12px}.MathematicsFormulas_links__76FZK{width:100%}.MathematicsFormulas_links__76FZK a{flex:1 1 auto}}