.page_stack__iboo_{display:grid;gap:24px}.page_rows__fwgKq{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px 28px}.page_parity__6Jm0Z{display:grid;gap:40px}.Tip_host__PDFBm{position:relative}.Tip_tip____NUS{position:absolute;z-index:40;align-items:baseline;gap:10px;width:max-content;max-width:300px;padding:9px 13px;border:1px solid var(--tip-border,var(--fg-border,rgb(0 0 0/.12)));border-radius:8px;background:var(--tip-surface,var(--fg-surface,#fff));box-shadow:0 14px 32px -16px rgb(40 35 25/.38);color:var(--tip-ink,var(--fg-ink,#1c1c1c));font:400 var(--type-label,14px)/1.4 var(--font-sans),sans-serif;letter-spacing:0;text-align:left;text-transform:none;white-space:normal;pointer-events:none;display:none;opacity:0;transition:opacity .12s ease-out,display allow-discrete .12s}:where(.Tip_host__PDFBm:is(:hover,:focus-visible))>.Tip_tip____NUS{display:flex;opacity:1}@starting-style{:where(.Tip_host__PDFBm:is(:hover,:focus-visible))>.Tip_tip____NUS{opacity:0}}.Tip_tip____NUS[data-side=below]{top:calc(100% + 8px)}.Tip_tip____NUS[data-side=above]{bottom:calc(100% + 8px)}.Tip_tip____NUS:is([data-side=below],[data-side=above])[data-align=center]{left:50%;translate:-50% 0}.Tip_tip____NUS:is([data-side=below],[data-side=above])[data-align=start]{left:0}.Tip_tip____NUS:is([data-side=below],[data-side=above])[data-align=end]{right:0}.Tip_tip____NUS[data-side=left]{right:calc(100% + 10px)}.Tip_tip____NUS[data-side=right]{left:calc(100% + 10px)}.Tip_tip____NUS:is([data-side=left],[data-side=right])[data-align=center]{top:50%;translate:0 -50%}.Tip_tip____NUS:is([data-side=left],[data-side=right])[data-align=start]{top:0}.Tip_tip____NUS:is([data-side=left],[data-side=right])[data-align=end]{bottom:0}.Tip_tip____NUS kbd{display:inline-grid;flex:none;place-items:center;min-width:24px;height:22px;margin-left:auto;border:solid var(--tip-border,var(--fg-border,rgb(0 0 0/.12)));border-width:1px 1px 2px;border-radius:5px;color:var(--fg-muted,#666);font:13px/1 var(--font-sans),sans-serif}@media (hover:none){.Tip_tip____NUS{display:none}}@media (prefers-reduced-motion:reduce){.Tip_tip____NUS{transition:none}}.ConfettiBurst_burst__1YTYC{position:absolute;z-index:5;width:0;height:0;pointer-events:none}.ConfettiBurst_piece__oUHnb{position:absolute;left:-4px;top:-6px;width:8px;height:12px;border-radius:1.5px;background:var(--color);opacity:0;animation:ConfettiBurst_burst__1YTYC 1.1s cubic-bezier(.15,.6,.35,1) forwards}.ConfettiBurst_piece__oUHnb[data-wide]{width:11px;height:6px;border-radius:999px}@keyframes ConfettiBurst_burst__1YTYC{0%{opacity:1;transform:translate(0) rotate(0deg)}70%{opacity:1}to{opacity:0;transform:translate(var(--dx),calc(var(--dy) + 60px)) rotate(var(--spin))}}@media (prefers-reduced-motion:reduce){.ConfettiBurst_burst__1YTYC{display:none}}.CourseComplete_complete__Se23i{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);border:1px solid rgb(var(--home-stone)/.65);border-radius:16px;overflow:hidden;background:rgb(var(--color-surface-50));box-shadow:0 20px 56px -32px rgb(var(--home-ink)/.32),0 2px 6px rgb(var(--home-ink)/.035)}.CourseComplete_copy__REPrj{display:flex;flex-direction:column;align-items:flex-start;gap:14px;padding:32px}.CourseComplete_mark__87E8Y{position:relative;display:grid;place-items:center;width:52px;height:52px;border-radius:50%;color:#fff;background:rgb(var(--home-correct));box-shadow:0 0 0 6px rgb(var(--home-correct-tint));animation:CourseComplete_markIn__hSctU .42s cubic-bezier(.22,.68,0,1) both}.CourseComplete_copy__REPrj h3{margin:6px 0 0;font:400 30px/1.15 var(--font-serif),Georgia,serif;letter-spacing:-.035em;color:rgb(var(--home-ink));text-wrap:balance}.CourseComplete_copy__REPrj p{margin:0;max-width:44ch;font-size:16px;line-height:1.65;color:rgb(var(--home-ink))}.CourseComplete_next__eW9JD{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;max-width:420px;margin-top:8px;padding:14px 18px;border-radius:8px;background:rgb(var(--home-math));color:#fff;font-size:15px;font-weight:500;box-shadow:0 0 0 4px rgb(var(--home-math)/.2),0 12px 26px -12px rgb(var(--home-math)/.7);transition:box-shadow .18s,filter .18s,transform .12s}.CourseComplete_next__eW9JD:hover{filter:brightness(1.1);box-shadow:0 0 0 6px rgb(var(--home-math)/.22),0 14px 30px -12px rgb(var(--home-math)/.8)}.CourseComplete_next__eW9JD:active{transform:translateY(1px)}.CourseComplete_next__eW9JD svg{flex:0 0 auto;transition:transform .18s}.CourseComplete_next__eW9JD:hover svg{transform:translateX(3px)}.CourseComplete_nextTitle__Li4Dy{font-weight:600}.CourseComplete_review__gBppN{display:inline-flex;align-items:center;gap:8px;padding:8px 4px;color:rgb(var(--home-muted));font-size:14px;cursor:pointer;transition:color .16s}.CourseComplete_review__gBppN:hover{color:rgb(var(--home-math))}.CourseComplete_next__eW9JD:focus-visible,.CourseComplete_review__gBppN:focus-visible{outline:2px solid rgb(var(--home-math));outline-offset:4px}.CourseComplete_learned__V3wO4{padding:28px 28px 30px;border-left:1px solid rgb(var(--home-stone)/.65);background:rgb(var(--home-paper))}.CourseComplete_learnedLabel___Y749{margin:0 0 12px;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgb(var(--home-muted))}.CourseComplete_learned__V3wO4 ol{display:flex;flex-direction:column;gap:4px;margin:0;padding:0;list-style:none}.CourseComplete_learned__V3wO4 li{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;background:rgb(var(--color-surface-50));border:1px solid rgb(var(--home-stone)/.5);animation:CourseComplete_rowIn__2YAWD .36s cubic-bezier(.22,.68,0,1) both;animation-delay:calc(.12s + var(--i, 0) * 60ms)}.CourseComplete_chapterIcon__Zk_BI{display:grid;flex:0 0 34px;place-items:center;width:34px;height:34px;border-radius:9px;color:rgb(var(--home-math));background:rgb(var(--home-math-tint))}.CourseComplete_chapterText__PNp3c{display:flex;flex-direction:column;gap:2px;min-width:0}.CourseComplete_chapterText__PNp3c strong{font-size:15px;font-weight:600;line-height:1.35;color:rgb(var(--home-ink))}.CourseComplete_chapterText__PNp3c small{font-size:13px;line-height:1.4;color:rgb(var(--home-muted))}.CourseComplete_chapterDone__43bgF{flex:0 0 auto;margin-left:auto;color:rgb(var(--home-correct))}@keyframes CourseComplete_markIn__hSctU{0%{opacity:0;transform:scale(.6)}}@keyframes CourseComplete_rowIn__2YAWD{0%{opacity:0;transform:translateY(6px)}}@media (max-width:900px){.CourseComplete_complete__Se23i{grid-template-columns:minmax(0,1fr)}.CourseComplete_learned__V3wO4{border-left:0;border-top:1px solid rgb(var(--home-stone)/.65)}}@media (max-width:560px){.CourseComplete_copy__REPrj{padding:24px 20px 26px}.CourseComplete_copy__REPrj h3{font-size:25px}.CourseComplete_learned__V3wO4{padding:22px 16px 24px}}@media (prefers-reduced-motion:reduce){.CourseComplete_learned__V3wO4 li,.CourseComplete_mark__87E8Y{animation:none}}.CourseMenu_root__r5O9u{position:static}.CourseMenu_trigger__elBdB{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 14px;border:1px solid rgb(var(--home-stone));border-radius:999px;background:rgb(var(--home-paper));color:rgb(var(--home-ink));font-size:14px;white-space:nowrap;cursor:pointer;transition:color .16s,background .16s,border-color .16s,box-shadow .16s,transform .12s}.CourseMenu_trigger__elBdB:hover{border-color:rgb(var(--home-math)/.55);color:rgb(var(--home-math))}.CourseMenu_trigger__elBdB:active{transform:scale(.97)}.CourseMenu_trigger__elBdB[aria-expanded=true]{border-color:rgb(var(--home-math));background:rgb(var(--home-math));color:#fff;box-shadow:0 6px 16px -8px rgb(var(--home-math)/.7)}.CourseMenu_chevron__dMHWh{transition:transform .24s cubic-bezier(.22,.68,0,1)}.CourseMenu_trigger__elBdB[aria-expanded=true] .CourseMenu_chevron__dMHWh{transform:rotate(180deg)}.CourseMenu_panel__l0z7S{position:absolute;top:calc(100% + 10px);right:0;z-index:40;display:grid;grid-template-columns:330px minmax(0,1fr);width:min(900px,100%);max-height:min(600px,calc(100vh - var(--header-h, 88px) - 120px));border:1px solid rgb(var(--home-stone)/.8);border-radius:18px;background:rgb(var(--home-paper));box-shadow:0 1px 2px rgb(var(--home-ink)/.06),0 24px 60px -24px rgb(var(--home-ink)/.35);overflow:hidden;transform-origin:top right;opacity:0;visibility:hidden;transform:translateY(-8px) scale(.98);pointer-events:none;transition:opacity .16s ease,transform .2s cubic-bezier(.22,.68,0,1),visibility 0s linear .2s}.CourseMenu_panel__l0z7S[data-open=true]{opacity:1;visibility:visible;transform:none;pointer-events:auto;transition:opacity .18s ease,transform .26s cubic-bezier(.22,.68,0,1),visibility 0s}.CourseMenu_rail___NXzy{display:flex;flex-direction:column;gap:2px;padding:10px;background:rgb(var(--home-math-tint)/.45);border-right:1px solid rgb(var(--home-stone)/.55);overflow-y:auto}.CourseMenu_tab__NkL1c{position:relative;display:flex;align-items:center;gap:11px;width:100%;padding:9px 12px 9px 9px;border:0;border-radius:12px;background:transparent;color:rgb(var(--home-ink));text-align:left;cursor:pointer;transition:background .18s,box-shadow .18s,transform .12s}.CourseMenu_tab__NkL1c:hover{background:rgb(var(--home-paper)/.7)}.CourseMenu_tab__NkL1c:active{transform:scale(.985)}.CourseMenu_tab__NkL1c[aria-selected=true]{background:rgb(var(--home-paper));box-shadow:0 1px 2px rgb(var(--home-ink)/.06),0 4px 14px -8px rgb(var(--home-math)/.45)}.CourseMenu_tabIcon__3q5Wl{display:grid;place-items:center;flex:0 0 34px;width:34px;height:34px;border-radius:10px;color:rgb(var(--home-math));background:rgb(var(--home-paper));box-shadow:inset 0 0 0 1px rgb(var(--home-math)/.18);transition:background .18s,color .18s,transform .24s cubic-bezier(.34,1.56,.64,1)}.CourseMenu_tab__NkL1c:hover .CourseMenu_tabIcon__3q5Wl{transform:translateY(-1px)}.CourseMenu_tab__NkL1c[aria-selected=true] .CourseMenu_tabIcon__3q5Wl{color:#fff;background:rgb(var(--home-math));box-shadow:none}.CourseMenu_tabText__lNA6_{display:flex;flex-direction:column;gap:1px;min-width:0}.CourseMenu_tabText__lNA6_ small{display:flex;align-items:center;gap:8px;font-size:12px;color:rgb(var(--home-muted));font-variant-numeric:tabular-nums}.CourseMenu_tabDone__datvZ{display:inline-flex;align-items:center;gap:3px;color:rgb(var(--home-correct));font-weight:600}.CourseMenu_tabTitle__xKUsp{font-size:14px;line-height:1.3}.CourseMenu_tab__NkL1c[aria-selected=true] .CourseMenu_tabTitle__xKUsp{font-weight:600}.CourseMenu_hereDot__kykSc{flex:0 0 8px;width:8px;height:8px;margin-left:auto;border-radius:50%;background:rgb(var(--home-math));box-shadow:0 0 0 3px rgb(var(--home-math)/.16)}.CourseMenu_pane__xBsiO{display:flex;flex-direction:column;min-height:0;padding:20px 20px 16px;overflow-y:auto;animation:CourseMenu_paneIn__gSDPO .18s ease}.CourseMenu_paneHead__F83Of{display:flex;align-items:flex-start;gap:14px;padding:0 4px 14px;margin-bottom:8px;border-bottom:1px solid rgb(var(--home-stone)/.55)}.CourseMenu_paneIcon___LfD2{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;border-radius:12px;color:rgb(var(--home-math));background:rgb(var(--home-math-tint))}.CourseMenu_paneHead__F83Of p{margin:0 0 2px;font-size:13px;color:rgb(var(--home-muted))}.CourseMenu_paneHead__F83Of h3{margin:0;font:400 22px/1.2 var(--font-serif),Georgia,serif;letter-spacing:-.02em}.CourseMenu_paneHead__F83Of small{display:block;margin-top:4px;font-size:13px;line-height:1.45;color:rgb(var(--home-muted))}.CourseMenu_lessons__yPQGk{display:flex;flex-direction:column;gap:2px;margin:0;padding:0;list-style:none}.CourseMenu_lessons__yPQGk li{animation:CourseMenu_rowIn__qtj38 .32s cubic-bezier(.22,.68,0,1) both;animation-delay:calc(min(var(--i, 0), 10) * 22ms)}.CourseMenu_lesson__R4CrB{display:flex;align-items:center;gap:12px;width:100%;min-height:42px;padding:6px 12px 6px 6px;border:0;border-radius:10px;background:transparent;color:rgb(var(--home-ink));font-size:15px;line-height:1.35;text-align:left;cursor:pointer;transition:background .16s,color .16s,transform .12s}.CourseMenu_lessonMark__27QOg{display:grid;place-items:center;flex:0 0 28px;width:28px;height:28px;border-radius:50%;font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;color:rgb(var(--home-muted));background:rgb(var(--home-paper));box-shadow:inset 0 0 0 1px rgb(var(--home-stone));transition:background .16s,color .16s,box-shadow .16s}.CourseMenu_lessonTitle__ox7bQ{flex:1;min-width:0}.CourseMenu_lessonArrow__DzDZE{flex:0 0 auto;color:rgb(var(--home-math));opacity:0;transform:translateX(-6px);transition:opacity .16s,transform .22s cubic-bezier(.22,.68,0,1)}.CourseMenu_lesson__R4CrB:hover{background:rgb(var(--home-math-tint)/.7);color:rgb(var(--home-math))}.CourseMenu_lesson__R4CrB:hover .CourseMenu_lessonMark__27QOg{color:rgb(var(--home-math));box-shadow:inset 0 0 0 1px rgb(var(--home-math)/.45)}.CourseMenu_lesson__R4CrB:focus-visible .CourseMenu_lessonArrow__DzDZE,.CourseMenu_lesson__R4CrB:hover .CourseMenu_lessonArrow__DzDZE{opacity:1;transform:none}.CourseMenu_lesson__R4CrB:active{transform:scale(.99)}.CourseMenu_lesson__R4CrB[data-done=true] .CourseMenu_lessonMark__27QOg{color:rgb(var(--home-correct));background:rgb(var(--home-correct-tint));box-shadow:inset 0 0 0 1px rgb(var(--home-correct)/.35)}.CourseMenu_lesson__R4CrB[aria-current=step]{background:rgb(var(--home-math));color:#fff;font-weight:600}.CourseMenu_lesson__R4CrB[aria-current=step] .CourseMenu_lessonMark__27QOg{color:rgb(var(--home-math));background:#fff;box-shadow:none}.CourseMenu_nowTag__ZhT_k{flex:0 0 auto;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;color:rgb(var(--home-math));background:#fff}.CourseMenu_root__r5O9u :is(button,a):focus-visible{outline:3px solid rgb(var(--home-math));outline-offset:2px}.CourseMenu_lesson__R4CrB[aria-current=step]:focus-visible{outline-offset:3px}@keyframes CourseMenu_paneIn__gSDPO{0%{opacity:0}}@keyframes CourseMenu_rowIn__qtj38{0%{opacity:0;transform:translateY(4px)}}@media (max-width:750px){.CourseMenu_panel__l0z7S{grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr);width:100%;max-height:calc(100dvh - var(--header-h, 88px) - 140px);transform-origin:top center}.CourseMenu_rail___NXzy{flex-direction:row;gap:4px;padding:8px;border-right:0;border-bottom:1px solid rgb(var(--home-stone)/.55);overflow-x:auto}.CourseMenu_tab__NkL1c{flex:1 1 0;min-width:0;justify-content:center;padding:5px 0}.CourseMenu_tabIcon__3q5Wl{flex-basis:32px;width:32px;height:32px}.CourseMenu_tabText__lNA6_{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.CourseMenu_hereDot__kykSc{position:absolute;top:4px;right:4px;width:7px;height:7px}.CourseMenu_pane__xBsiO{padding:16px 12px 12px}.CourseMenu_paneHead__F83Of h3{font-size:20px}}@media (prefers-reduced-motion:reduce){.CourseMenu_panel__l0z7S,.CourseMenu_root__r5O9u *{transition:none!important;animation:none!important}}.LockedLessonTip_tip__dSpik{--tip-accent:var(--subject-color,#396b92);--tip-soft:var(--subject-soft,#e8eff5);--tip-surface:var(--fg-surface,#ffffff);--tip-border:var(--fg-border,#e2e4e8);--tip-ink:var(--fg-ink,rgb(26 28 24));--tip-muted:var(--fg-muted,#65675f);--tip-shift:6px;--ease:cubic-bezier(.2,.8,.2,1);position:fixed;top:0;left:0;z-index:90;box-sizing:border-box;width:min(344px,calc(100vw - 24px));padding:16px 16px 14px;border:1px solid var(--tip-border);border-radius:12px;background:radial-gradient(120% 70% at 0 0,color-mix(in srgb,var(--tip-soft) 85%,transparent),transparent 62%),var(--tip-surface);box-shadow:0 22px 44px -22px rgb(40 35 25/.5),0 2px 8px -3px rgb(40 35 25/.14);color:var(--tip-ink);font:15px/1.5 var(--font-sans),sans-serif;text-align:left;visibility:hidden;opacity:0;transform:translateY(var(--tip-shift)) scale(.97);transform-origin:var(--tip-origin,50% 100%);transition:opacity .16s ease,transform .26s var(--ease)}.LockedLessonTip_tip__dSpik[data-placement=bottom]{--tip-shift:-6px;--tip-origin:50% 0%}.LockedLessonTip_tip__dSpik[data-ready]{opacity:1;transform:none}.LockedLessonTip_head__n8MnU{display:flex;align-items:center;gap:12px;margin-bottom:10px}.LockedLessonTip_head__n8MnU p{margin:0}.LockedLessonTip_seal__1DPYf{position:relative;display:grid;place-items:center;flex:none;width:38px;height:38px;border-radius:11px;background:var(--tip-accent);color:#fff;box-shadow:0 10px 18px -10px var(--tip-accent)}.LockedLessonTip_seal__1DPYf>svg{grid-area:1/1;transition:opacity .18s ease,transform .3s var(--ease)}.LockedLessonTip_opened__rNEMI{opacity:0;transform:translateY(2px) rotate(-8deg)}.LockedLessonTip_tip__dSpik:has(.LockedLessonTip_cta__6893G:hover,.LockedLessonTip_cta__6893G:focus-visible) .LockedLessonTip_shut__ZlIB4{opacity:0;transform:translateY(-2px)}.LockedLessonTip_tip__dSpik:has(.LockedLessonTip_cta__6893G:hover,.LockedLessonTip_cta__6893G:focus-visible) .LockedLessonTip_opened__rNEMI{opacity:1;transform:none}.LockedLessonTip_eyebrow__4M9UQ{color:var(--tip-accent);font:600 12px/1.4 var(--font-sans),sans-serif;letter-spacing:.12em;text-transform:uppercase}.LockedLessonTip_title__FHn35{font:400 20px/1.2 var(--fg-serif,Georgia),Georgia,serif;letter-spacing:-.01em}.LockedLessonTip_copy__LOsIM{margin:0 0 14px;color:var(--tip-muted);font-size:15px;line-height:1.5;text-wrap:pretty}.LockedLessonTip_cta__6893G{display:flex;align-items:center;gap:10px;min-height:44px;padding:0 12px 0 16px;border-radius:10px;background:var(--tip-ink);color:#fff;font-weight:600;text-decoration:none;transition:background-color .18s ease,transform .15s var(--ease),box-shadow .25s ease}.LockedLessonTip_cta__6893G:hover{background:color-mix(in srgb,var(--tip-accent) 72%,#000);box-shadow:0 12px 22px -14px var(--tip-accent)}.LockedLessonTip_cta__6893G:active{transform:scale(.98)}.LockedLessonTip_cta__6893G:focus-visible{outline:2px solid var(--tip-accent);outline-offset:3px}.LockedLessonTip_price__SYwxq{margin-left:auto;padding:3px 8px;border-radius:999px;background:rgb(255 255 255/.16);font:500 14px/1.2 var(--font-sans),sans-serif;font-variant-numeric:lining-nums}.LockedLessonTip_ctaArrow__WxlZY{transition:transform .25s var(--ease)}.LockedLessonTip_cta__6893G:hover .LockedLessonTip_ctaArrow__WxlZY{transform:translateX(3px)}.LockedLessonTip_signIn__fPinw{margin:10px 0 0;color:var(--tip-muted);font-size:14px;line-height:1.4;text-align:center}.LockedLessonTip_signIn__fPinw a{color:var(--tip-accent);font-weight:600;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.LockedLessonTip_signIn__fPinw a:hover{text-decoration-thickness:2px}.LockedLessonTip_arrow__SCDJI{position:absolute;width:12px;height:12px;background:var(--tip-surface);transform:rotate(45deg)}.LockedLessonTip_tip__dSpik[data-placement=top] .LockedLessonTip_arrow__SCDJI{bottom:-7px;border-right:1px solid var(--tip-border);border-bottom:1px solid var(--tip-border)}.LockedLessonTip_tip__dSpik[data-placement=bottom] .LockedLessonTip_arrow__SCDJI{top:-7px;border-top:1px solid var(--tip-border);border-left:1px solid var(--tip-border);background:color-mix(in srgb,var(--tip-soft) 60%,var(--tip-surface))}@media (prefers-reduced-motion:reduce){.LockedLessonTip_ctaArrow__WxlZY,.LockedLessonTip_cta__6893G,.LockedLessonTip_seal__1DPYf>svg,.LockedLessonTip_tip__dSpik{transition:none}.LockedLessonTip_tip__dSpik{transform:none}}.MathKeystrokes_sequence__VNBY4{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;list-style:none;padding:0;margin:14px 0 8px}.MathKeystrokes_sequence__VNBY4 li{display:flex;align-items:center;gap:6px;color:rgb(var(--home-muted));margin:0}.MathKeystrokes_sequence__VNBY4 kbd{padding:4px 7px;min-width:27px;text-align:center;border:solid rgb(var(--home-stone));border-width:1px 1px 2px;border-radius:5px;background:rgb(var(--home-paper));color:rgb(var(--home-ink));font:500 14px/1.5 var(--font-sans),sans-serif}.MathKeystrokes_sequence__VNBY4 kbd span+span{margin-inline-start:.16em}.MathKeystrokes_shiftKeys__t1yEJ{margin:0 0 8px;font-size:14px;line-height:1.5;color:rgb(var(--home-muted))}.MathKeystrokes_shiftKeys__t1yEJ kbd{padding:1px 5px;border:1px solid rgb(var(--home-stone));border-radius:4px;background:rgb(var(--home-paper));color:rgb(var(--home-ink));font:inherit}.LessonBadge_badge__j_8Qk{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;gap:4px;margin-left:auto;line-height:1}.LessonBadge_badge__j_8Qk>svg{transform:none!important;color:inherit!important}.LessonBadge_badge__j_8Qk[data-kind=free]{padding:3px 7px;border:1px solid;border-radius:999px;color:#2f6b4f;font:500 12px/1 var(--font-sans),sans-serif;letter-spacing:.02em}.LessonBadge_badge__j_8Qk[data-kind=locked]{width:26px;height:26px;margin-block:-4px;border-radius:8px;color:#8b8d84;transition:color .18s,background-color .18s,transform .25s cubic-bezier(.2,.8,.2,1)}:is(a:hover,a:focus-visible,[data-tip-open])>*>.LessonBadge_badge__j_8Qk[data-kind=locked],:is(a:hover,a:focus-visible,[data-tip-open])>.LessonBadge_badge__j_8Qk[data-kind=locked]{color:var(--subject-color,#396b92)}[data-tip-open] .LessonBadge_badge__j_8Qk[data-kind=locked]{background:color-mix(in srgb,var(--subject-color,#396b92) 14%,transparent);transform:translateY(-1px)}@media (prefers-reduced-motion:reduce){.LessonBadge_badge__j_8Qk[data-kind=locked]{transition:none}[data-tip-open] .LessonBadge_badge__j_8Qk[data-kind=locked]{transform:none}}.LessonBadge_badge__j_8Qk[data-kind=done]{color:var(--subject-color,#396b92)}.LessonBadge_sr__3oD0w{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.DesmosExplorables_panelLabel__jONdV{margin:0 0 6px;font:500 14px/1.4 var(--font-sans),sans-serif;color:var(--fg-muted)}.DesmosExplorables_stageNumber___uiI8{font-weight:500;color:var(--fg-muted)}.DesmosExplorables_stageNumber___uiI8:after{content:"."}.DesmosExplorables_stagePanel__JXasN{display:grid;gap:18px}.DesmosExplorables_looks__dt3dL{display:grid;gap:8px;margin:0;padding:0;list-style:none}.DesmosExplorables_looks__dt3dL li{position:relative;padding-left:18px;font:16px/1.55 var(--font-sans),sans-serif;color:var(--fg-ink)}.DesmosExplorables_looks__dt3dL li:before{content:"";position:absolute;left:2px;top:.66em;width:6px;height:6px;border-radius:50%;background:var(--fg-muted)}.DesmosExplorables_work__WVSNT{display:grid;gap:8px;padding-top:18px;border-top:1px solid var(--fg-border)}.DesmosExplorables_work__WVSNT>p:not(.DesmosExplorables_panelLabel__jONdV){margin:0;font:17px/1.6 var(--font-sans),sans-serif;color:var(--fg-ink)}.DesmosExplorables_work__WVSNT .DesmosExplorables_next__JnWN4{display:flex;gap:8px;font-size:16px;color:var(--fg-muted)}.DesmosExplorables_next__JnWN4 svg{flex:none;width:16px;height:16px;margin-top:4px;color:var(--fg-muted)}.DesmosExplorables_jobs__9xL94{display:grid;margin:8px 0;padding:0;list-style:none;border-top:1px solid var(--fg-border)}.DesmosExplorables_jobs__9xL94 li{display:grid;grid-template-columns:132px minmax(0,1fr);gap:24px;align-items:center;padding:18px 0;border-bottom:1px solid var(--fg-border)}.DesmosExplorables_jobPicture__HJBSf{display:grid;place-items:center}.DesmosExplorables_jobPicture__HJBSf svg{width:132px;height:92px;overflow:visible}.DesmosExplorables_jobAxis__f_xCr{stroke:#c4c7cc;stroke-width:1.2}.DesmosExplorables_jobInk__SqT2y{fill:none;stroke:var(--fg-ink);stroke-width:2.2;stroke-linecap:round}.DesmosExplorables_jobDrop__eT20j{stroke:var(--subject-color);stroke-width:1.4;stroke-dasharray:3 3}.DesmosExplorables_jobPoint__5vvyZ{fill:var(--subject-color);stroke:var(--fg-surface);stroke-width:2}.DesmosExplorables_jobBox__w_6R8{fill:var(--fg-surface);stroke:var(--fg-border);stroke-width:1.2}.DesmosExplorables_jobGutter___BtWT{fill:var(--fg-soft)}.DesmosExplorables_jobMath__duAnK{font:400 15px KaTeX_Main,Times New Roman,serif;fill:var(--fg-ink)}.DesmosExplorables_jobResult__kCJEv{font:600 14px var(--font-sans),sans-serif;fill:var(--subject-color)}.DesmosExplorables_jobText__LO6Xu{display:grid;gap:4px}.DesmosExplorables_jobText__LO6Xu p{margin:0}.DesmosExplorables_jobName__mvMkz{font:600 17px/1.4 var(--font-sans),sans-serif;color:var(--fg-ink)}.DesmosExplorables_jobText__LO6Xu p:not(.DesmosExplorables_jobName__mvMkz){font:16px/1.55 var(--font-sans),sans-serif;color:var(--fg-ink)}.DesmosExplorables_jobExample__72x7w{font-size:17px;color:var(--fg-muted)}.DesmosExplorables_trap__MAxYg{display:grid;gap:18px}.DesmosExplorables_trapRow__sdARk{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.DesmosExplorables_trapMath__I_h8K{display:block;font-size:24px}.DesmosExplorables_trapFix__PlWTU{display:grid;gap:8px;padding-top:16px;border-top:1px solid var(--fg-border)}.DesmosExplorables_fixLabel__B0Wrz{display:flex;align-items:center;gap:6px;margin:0;font:500 14px/1.4 var(--font-sans),sans-serif;color:rgb(var(--home-correct))}.DesmosExplorables_fixLabel__B0Wrz svg{width:15px;height:15px;stroke-width:2.6}.DesmosExplorables_trapResult__4W_Vm{margin:0;font:16px/1.6 var(--font-sans),sans-serif;color:var(--fg-ink)}.DesmosExplorables_sortHead__eA_4L{display:grid;gap:8px}.DesmosExplorables_sortCount__Mutm_{margin:0;font:500 14px/1.4 var(--font-sans),sans-serif;color:var(--fg-muted)}.DesmosExplorables_sortProgress__0aWt2{display:flex;gap:6px;margin:0;padding:0;list-style:none}.DesmosExplorables_sortProgress__0aWt2 li{flex:1}.DesmosExplorables_sortProgress__0aWt2 button{position:relative;display:block;width:100%;height:20px;padding:0;border:0;background:none}.DesmosExplorables_sortProgress__0aWt2 button:before{content:"";position:absolute;inset:8px 0;border-radius:2px;background:var(--fg-border);transition:background .2s}.DesmosExplorables_sortProgress__0aWt2 button:hover:before{background:var(--fg-muted)}.DesmosExplorables_sortProgress__0aWt2 li[data-state=now] button:before{background:var(--subject-color)}.DesmosExplorables_sortProgress__0aWt2 li[data-state=right] button:before{background:rgb(var(--home-correct))}.DesmosExplorables_sortProgress__0aWt2 li[data-state=wrong] button:before{background:rgb(var(--home-wrong))}.DesmosExplorables_sortCard__Of6bc,.DesmosExplorables_sortDone__fmYWO{display:grid;gap:16px}.DesmosExplorables_sortQuestion__D7SfD{margin:0;font:400 19px/1.55 var(--fg-reading);color:var(--fg-ink);text-wrap:pretty}.DesmosExplorables_toolChoices__tCSOg{display:flex;flex-wrap:wrap;gap:8px}.DesmosExplorables_toolChoice__Nqp1W{display:inline-flex;align-items:center;gap:9px;min-height:44px;padding:0 16px 0 14px;border:1px solid var(--fg-border);border-radius:8px;background:var(--fg-surface);font:500 16px/1 var(--font-sans),sans-serif;color:var(--fg-ink);transition:border-color .15s,background .15s,color .15s}.DesmosExplorables_toolChoice__Nqp1W svg{width:18px;height:18px;color:var(--fg-muted)}.DesmosExplorables_toolChoice__Nqp1W:hover:not(:disabled){border-color:var(--fg-ink)}.DesmosExplorables_toolChoice__Nqp1W:active:not(:disabled){background:var(--fg-soft)}.DesmosExplorables_toolChoice__Nqp1W:disabled{cursor:default}.DesmosExplorables_toolChoice__Nqp1W:disabled:not([data-result]){color:var(--fg-muted)}.DesmosExplorables_toolChoice__Nqp1W[data-result=right]{border-color:rgb(var(--home-correct));background:rgb(var(--home-correct-tint));color:rgb(var(--home-correct))}.DesmosExplorables_toolChoice__Nqp1W[data-result=wrong]{border-color:rgb(var(--home-wrong));background:rgb(var(--home-wrong-tint));color:rgb(var(--home-wrong))}.DesmosExplorables_toolChoice__Nqp1W[data-result] svg{color:currentColor}.DesmosExplorables_toolMark__xhMBo{stroke-width:2.8}.DesmosExplorables_sortWhy__MoFKH{margin:0;font:16px/1.6 var(--font-sans),sans-serif;color:var(--fg-ink);text-wrap:pretty}.DesmosExplorables_sortWhy__MoFKH:empty{display:none}.DesmosExplorables_sortWhy__MoFKH[data-result=right] strong{color:rgb(var(--home-correct))}.DesmosExplorables_sortWhy__MoFKH[data-result=wrong] strong{color:rgb(var(--home-wrong))}.DesmosExplorables_sortNav__wT1MM{display:flex;justify-content:flex-end}.DesmosExplorables_sortScore__mRmoK{margin:0;font:17px/1.5 var(--font-sans),sans-serif;color:var(--fg-ink)}.DesmosExplorables_sortScore__mRmoK strong{font-weight:600}.DesmosExplorables_sortDone__fmYWO p:not(.DesmosExplorables_sortScore__mRmoK){margin:0;font:16px/1.6 var(--font-sans),sans-serif;color:var(--fg-ink)}.DesmosExplorables_sortDone__fmYWO button{justify-self:start}.DesmosExplorables_race__pxDtu{display:grid;gap:18px}.DesmosExplorables_raceProblem__eAMcn{margin:0;font-size:22px;text-align:center}.DesmosExplorables_raceAsk__ksRkm{display:grid;justify-items:center;gap:12px}.DesmosExplorables_raceAsk__ksRkm>p{margin:0;font:500 17px/1.5 var(--font-sans),sans-serif;color:var(--fg-ink)}.DesmosExplorables_raceColumns__03dZV{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--fg-border)}.DesmosExplorables_raceColumn__Q4jwE{display:grid;align-content:start;gap:10px;padding:16px 20px 0 0}.DesmosExplorables_raceColumn__Q4jwE+.DesmosExplorables_raceColumn__Q4jwE{padding:16px 0 0 20px;border-left:1px solid var(--fg-border)}.DesmosExplorables_raceHead__wOkNz{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;font:600 16px/1.3 var(--font-sans),sans-serif;color:var(--fg-ink)}.DesmosExplorables_raceHead__wOkNz svg{width:17px;height:17px;color:var(--fg-muted)}.DesmosExplorables_raceColumn__Q4jwE[data-good] .DesmosExplorables_raceHead__wOkNz,.DesmosExplorables_raceColumn__Q4jwE[data-good] .DesmosExplorables_raceHead__wOkNz svg{color:rgb(var(--home-correct))}.DesmosExplorables_yourPick__EhBmU{margin-left:auto;font:500 14px/1.3 var(--font-sans),sans-serif;color:var(--fg-muted)}.DesmosExplorables_raceColumn__Q4jwE ol{display:grid;gap:8px;margin:0;padding:0;list-style:none;counter-reset:line}.DesmosExplorables_raceColumn__Q4jwE li{position:relative;padding-left:24px;font:16px/1.5 var(--font-sans),sans-serif;color:var(--fg-ink);counter-increment:line}.DesmosExplorables_raceColumn__Q4jwE li:before{content:counter(line) ".";position:absolute;left:0;font:500 14px/1.7 var(--font-sans),sans-serif;color:var(--fg-muted)}.DesmosExplorables_raceColumn__Q4jwE .katex{font-size:1.08em}.DesmosExplorables_raceVerdict__BOv3R{margin:0;padding-top:16px;border-top:1px solid var(--fg-border);font:16px/1.6 var(--font-sans),sans-serif;color:var(--fg-ink)}.DesmosExplorables_raceVerdict__BOv3R strong{color:rgb(var(--home-correct))}.DesmosExplorables_module__0VVYa{display:grid;gap:16px}.DesmosExplorables_moduleGrid__b2y2y{display:grid;grid-template-columns:repeat(11,minmax(0,1fr));gap:6px;margin:0;padding:0;list-style:none}.DesmosExplorables_moduleGrid__b2y2y li{display:grid;place-items:center;align-content:center;gap:2px;aspect-ratio:1;border:1px solid var(--fg-border);border-radius:6px;font:500 14px/1 var(--font-sans),sans-serif;color:var(--fg-muted);transition:border-color .3s,color .3s,background .3s}.DesmosExplorables_moduleGrid__b2y2y li svg{width:13px;height:13px;stroke-width:2.6}.DesmosExplorables_moduleGrid__b2y2y li[data-state=flagged]{border-color:var(--subject-color);color:var(--subject-color)}.DesmosExplorables_moduleGrid__b2y2y li[data-state=checked]{border-color:rgb(var(--home-correct));background:rgb(var(--home-correct-tint));color:rgb(var(--home-correct))}.DesmosExplorables_moduleNote__96x8T{margin:0;font:16px/1.6 var(--font-sans),sans-serif;color:var(--fg-ink)}@media (max-width:760px){.DesmosExplorables_jobs__9xL94 li{grid-template-columns:104px minmax(0,1fr);gap:16px}.DesmosExplorables_jobPicture__HJBSf svg{width:104px;height:72px}.DesmosExplorables_trapRow__sdARk{gap:16px}.DesmosExplorables_raceColumns__03dZV,.DesmosExplorables_trapRow__sdARk{grid-template-columns:minmax(0,1fr)}.DesmosExplorables_raceColumn__Q4jwE{padding-right:0}.DesmosExplorables_raceColumn__Q4jwE+.DesmosExplorables_raceColumn__Q4jwE{margin-top:16px;padding-left:0;border-left:0;border-top:1px solid var(--fg-border)}.DesmosExplorables_moduleGrid__b2y2y{grid-template-columns:repeat(6,minmax(0,1fr))}}@media (max-width:420px){.DesmosExplorables_toolChoice__Nqp1W{flex:1 1 100%}}@media (prefers-reduced-motion:reduce){.DesmosExplorables_moduleGrid__b2y2y li,.DesmosExplorables_toolChoice__Nqp1W{transition:none}}.Xp_details__WMWJ2,.Xp_earnGuide__f5ViW,.Xp_meterWrap__0V3yK,.Xp_ring__zJq8W{--xp:4 120 87;--xp-bright:16 185 129;--xp-tint:236 253 245;--xp-deep:6 78 59}.Xp_ring__zJq8W{position:relative;display:inline-grid;place-items:center;flex:none;width:var(--ring-size);height:var(--ring-size)}.Xp_ring__zJq8W svg{position:absolute;inset:0;overflow:visible}.Xp_ringTrack__CST_M{stroke:rgb(var(--xp)/.14)}.Xp_ringArc__0KQP_{transition:stroke-dashoffset .8s cubic-bezier(.2,.8,.2,1),opacity .2s ease}.Xp_ring__zJq8W[data-resetting] .Xp_ringArc__0KQP_{transition:none}.Xp_ringLevel__foLzq{position:relative;color:rgb(var(--xp));font:700 calc(var(--ring-size) * .38) /1 var(--font-sans),sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.01em}.Xp_ring__zJq8W[data-tone=dark] .Xp_ringTrack__CST_M{stroke:rgb(255 255 255/.16)}.Xp_ring__zJq8W[data-tone=dark] .Xp_ringLabel__6pUCP,.Xp_ring__zJq8W[data-tone=dark] .Xp_ringLevel__foLzq{color:rgb(255 255 255)}.Xp_ringNumber__kGNlM{position:relative;display:grid;justify-items:center;gap:.125rem}.Xp_ringLabel__6pUCP{color:rgb(var(--xp));font:600 .75rem/1 var(--font-sans),sans-serif;letter-spacing:.12em;text-transform:uppercase;opacity:.85}.Xp_ringLevel__foLzq[data-labeled]{font-size:calc(var(--ring-size) * .34)}.Xp_meterWrap__0V3yK{position:relative;display:inline-flex}.Xp_meter__4qUjA{display:inline-flex;align-items:center;gap:.5rem;min-height:2.75rem;padding:.3125rem .875rem .3125rem .375rem;border:1px solid rgb(var(--xp)/.22);border-radius:999px;background:linear-gradient(180deg,rgb(255 255 255),rgb(var(--xp-tint)));color:rgb(var(--home-ink));cursor:pointer;transition:border-color .16s ease-out,box-shadow .16s ease-out,transform .16s ease-out}.Xp_meter__4qUjA:hover,.Xp_meter__4qUjA[data-state=open]{border-color:rgb(var(--xp)/.5);box-shadow:0 8px 18px -12px rgb(var(--xp)/.7)}.Xp_meter__4qUjA[data-state=open]>[data-side]{display:none}.Xp_meter__4qUjA:active{transform:translateY(1px)}.Xp_meter__4qUjA:focus-visible{outline:2px solid rgb(var(--xp));outline-offset:3px}.Xp_meter__4qUjA[data-celebrating]{animation:Xp_xp-glow__wWneq 1.4s ease-out}@keyframes Xp_xp-glow__wWneq{0%{box-shadow:0 0 0 0 rgb(var(--xp-bright)/.5)}35%{box-shadow:0 0 0 5px rgb(var(--xp-bright)/.2),0 10px 22px -12px rgb(var(--xp)/.7)}to{box-shadow:0 0 0 10px rgb(var(--xp-bright)/0)}}.Xp_meterText__nX80a{display:inline-flex;align-items:baseline;gap:.25rem;line-height:1}.Xp_meterNumber__9tTkw{font-size:.9375rem;font-weight:600;font-variant-numeric:tabular-nums}.Xp_meterUnit__zJBnR{color:rgb(var(--xp));font-size:.75rem;font-weight:700;letter-spacing:.06em}@media (max-width:47.49rem){.Xp_meter__4qUjA{padding:.3125rem}.Xp_meterText__nX80a{display:none}}@media (min-width:80rem) and (max-width:87.49rem){.Xp_meterWrap__0V3yK:not([data-place=bar]) .Xp_meter__4qUjA{padding:.3125rem}.Xp_meterWrap__0V3yK:not([data-place=bar]) .Xp_meterText__nX80a{display:none}}.Xp_float__BGvPb{position:absolute;top:calc(100% + .375rem);left:50%;z-index:2;display:inline-flex;align-items:center;gap:.5rem;padding:.25rem .75rem;border-radius:999px;background:rgb(255 255 255);box-shadow:0 0 0 1px rgb(var(--xp)/.3),0 10px 22px -12px rgb(var(--xp)/.55);color:rgb(var(--xp));font:700 .9375rem/1.2 var(--font-sans),sans-serif;font-variant-numeric:tabular-nums;white-space:nowrap;pointer-events:none;translate:-50% 0;animation:Xp_xp-rise__Zmm58 1.5s cubic-bezier(.2,.7,.2,1) forwards}.Xp_floatLevel__h0J3d{padding-left:.5rem;border-left:1px solid rgb(var(--xp)/.25)}.Xp_floatLevel__h0J3d[data-alone]{padding-left:0;border-left:0}@keyframes Xp_xp-rise__Zmm58{0%{opacity:0;transform:translateY(12px)}18%{opacity:1;transform:translateY(0)}70%{opacity:1;transform:translateY(-2px)}to{opacity:0;transform:translateY(-10px)}}.Xp_details__WMWJ2{z-index:80;display:grid;width:min(21.5rem,calc(100vw - 2rem));max-height:var(--radix-popover-content-available-height,80vh);overflow:auto;overscroll-behavior:contain;border:1px solid rgb(var(--home-ink)/.1);border-radius:1.125rem;background:rgb(255 255 255);box-shadow:0 1px 2px rgb(var(--home-ink)/.06),0 28px 56px -28px rgb(var(--xp-deep)/.55);color:rgb(var(--home-ink));font-family:var(--font-sans),sans-serif;transform-origin:var(--radix-popover-content-transform-origin);animation:Xp_details-in__aG05D .18s cubic-bezier(.2,.8,.2,1)}@keyframes Xp_details-in__aG05D{0%{opacity:0;transform:translateY(-4px) scale(.98)}}.Xp_details__WMWJ2 p{margin:0}.Xp_detailsBand__1MWat{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);gap:1rem;align-items:center;padding:1.25rem;background:radial-gradient(rgb(255 255 255/.1) 1px,transparent 1.3px) 0 0 /14px 14px,radial-gradient(120% 140% at 100% 0,rgb(52 211 153/.42),transparent 58%),linear-gradient(155deg,rgb(var(--xp-deep)),rgb(var(--xp)) 70%);color:rgb(255 255 255)}.Xp_detailsBandText__WoJ9Q{display:grid;gap:.375rem}.Xp_detailsTotal__d_ReI{font-size:.9375rem;font-weight:600;letter-spacing:.04em}.Xp_detailsTotal__d_ReI strong{margin-right:.25rem;font:500 2.125rem/1 var(--font-serif),Georgia,serif;font-variant-numeric:lining-nums tabular-nums;letter-spacing:-.02em}.Xp_detailsNext__5ui3h{color:rgb(255 255 255/.82);font-size:.875rem;font-variant-numeric:tabular-nums}.Xp_detailsWeek__JLgHe{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.875rem 1.25rem;border-bottom:1px solid rgb(var(--home-ink)/.08);font-size:.9375rem}.Xp_detailsWeekLabel__J2LzA{display:inline-flex;align-items:center;gap:.5rem;color:rgb(var(--home-muted))}.Xp_detailsWeekLabel__J2LzA svg{color:rgb(var(--xp))}.Xp_detailsWeek__JLgHe strong{color:rgb(var(--xp));font-weight:700;font-variant-numeric:tabular-nums}.Xp_detailsSetting__XLakq{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.875rem 1.25rem;border-bottom:1px solid rgb(var(--home-ink)/.08);font-size:.9375rem}.Xp_detailsSettingText__4GB6A{display:grid;gap:.25rem}.Xp_detailsSetting__XLakq .Xp_detailsWeekLabel__J2LzA{color:rgb(var(--home-ink));font-weight:600}.Xp_detailsSetting__XLakq .Xp_detailsWeekLabel__J2LzA svg{color:rgb(98 70 190)}.Xp_detailsSettingNote__HTgZ5{color:rgb(var(--home-muted));font-size:var(--type-label);line-height:1.35}.Xp_guideToggle__NENV_{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:2.75rem;padding:0 1.25rem;border:0;background:none;color:rgb(var(--home-ink));font:600 .9375rem/1.2 var(--font-sans),sans-serif;text-align:left;cursor:pointer;transition:background-color .16s ease-out}.Xp_guideToggle__NENV_:hover{background:rgb(var(--home-ink)/.035)}.Xp_guideToggle__NENV_ svg{color:rgb(var(--home-muted));transition:transform .2s cubic-bezier(.2,.8,.2,1)}.Xp_guideToggle__NENV_[aria-expanded=true] svg{transform:rotate(180deg)}.Xp_detailsLink__3qKFE:focus-visible,.Xp_guideToggle__NENV_:focus-visible{outline:2px solid rgb(var(--xp));outline-offset:-2px}.Xp_guidePanel__jzOKa{padding:.25rem 1.25rem 1rem;animation:Xp_guide-in__s_SHS .2s ease-out}@keyframes Xp_guide-in__s_SHS{0%{opacity:0;transform:translateY(-4px)}}.Xp_detailsLink__3qKFE{display:flex;align-items:center;gap:.625rem;margin:.25rem .75rem .75rem;padding:.75rem .875rem;border-radius:.75rem;background:rgb(var(--xp-tint));color:rgb(var(--xp-deep));font-size:.9375rem;font-weight:600;text-decoration:none;transition:background-color .16s ease-out,box-shadow .16s ease-out}.Xp_detailsLink__3qKFE>svg:last-child{margin-left:auto;transition:transform .16s ease-out}.Xp_detailsLink__3qKFE:hover{background:rgb(209 250 229);box-shadow:inset 0 0 0 1px rgb(var(--xp)/.2)}.Xp_detailsLink__3qKFE:hover>svg:last-child{transform:translateX(3px)}.Xp_earnGuide__f5ViW{display:grid;gap:.875rem;font-family:var(--font-sans),sans-serif}.Xp_earnGroups____c1u{display:grid;gap:1rem}.Xp_earnGuide__f5ViW[data-layout=columns] .Xp_earnGroups____c1u{grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1.25rem,3vw,2.5rem)}.Xp_earnGuide__f5ViW .Xp_earnGroupTitle__EnAyv{display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:.625rem;align-items:center;margin:0 0 .5rem;font:inherit}.Xp_earnIcon__L8iaq{display:grid;grid-row:span 2;place-items:center;width:2rem;height:2rem;border-radius:.625rem;background:rgb(var(--home-ink)/.06);color:rgb(var(--home-ink))}.Xp_earnGroupName__8VSUN{color:rgb(var(--home-ink));font-size:.9375rem;font-weight:600;line-height:1.25}.Xp_earnGroupWhen__SrIQu{color:rgb(var(--home-muted));font-size:.875rem;line-height:1.3}.Xp_earnRules__0OmNV{display:grid;margin:0;padding:0;list-style:none}.Xp_earnRules__0OmNV li{display:grid;grid-template-columns:minmax(0,1fr) 3.25rem;gap:.75rem;align-items:baseline;padding:.4375rem 0;border-top:1px solid rgb(var(--home-ink)/.07);color:rgb(var(--home-ink));font-size:.875rem;line-height:1.4}.Xp_earnRules__0OmNV li[data-bonus]{position:relative;padding-left:1.125rem;border-top-color:transparent;color:rgb(var(--home-muted))}.Xp_earnRules__0OmNV li[data-bonus]:before{content:"";position:absolute;top:-.25rem;left:.25rem;width:.5rem;height:calc(.6875rem + .7em);border-bottom:1.5px solid rgb(var(--home-ink)/.24);border-left:1.5px solid rgb(var(--home-ink)/.24);border-bottom-left-radius:.375rem}.Xp_earnRules__0OmNV strong{justify-self:end;color:rgb(var(--xp));font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}.Xp_earnGuide__f5ViW .Xp_earnGroupNote__HvTsQ{margin:.25rem 0 0;padding-top:.4375rem;border-top:1px solid rgb(var(--home-ink)/.07);color:rgb(var(--home-muted));font-size:.875rem;line-height:1.4}.Xp_earnNote__2kHSV{margin:0;color:rgb(var(--home-muted));font-size:.875rem;line-height:1.45}@media (max-width:47.99rem){.Xp_earnGuide__f5ViW[data-layout=columns] .Xp_earnGroups____c1u{grid-template-columns:minmax(0,1fr)}}.Xp_srOnly__IU3W3{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@media (prefers-reduced-motion:reduce){.Xp_detailsLink__3qKFE,.Xp_detailsLink__3qKFE>svg:last-child,.Xp_guideToggle__NENV_ svg,.Xp_meter__4qUjA,.Xp_ringArc__0KQP_{transition:none}.Xp_details__WMWJ2,.Xp_guidePanel__jzOKa{animation:none}.Xp_meter__4qUjA[data-celebrating]{animation:none;border-color:rgb(var(--xp)/.6)}.Xp_float__BGvPb{animation:Xp_xp-fade__SDp7E 1.5s ease forwards}@keyframes Xp_xp-fade__SDp7E{0%,to{opacity:0}20%,70%{opacity:1}}}.XpGain_layer__9r66B{--xp:4 120 87;--xp-bright:16 185 129;position:fixed;inset:0;z-index:95;overflow:hidden;pointer-events:none}.XpGain_chip__mAdJb{position:fixed;top:0;left:0;display:grid;gap:.375rem;padding:.3125rem .875rem;border-radius:999px;background:#fff;box-shadow:0 0 0 1px rgb(var(--xp)/.28),0 14px 28px -14px rgb(var(--xp)/.6);color:rgb(var(--xp));font-family:var(--font-sans),sans-serif;font-variant-numeric:tabular-nums;white-space:nowrap;opacity:0;will-change:transform,translate,opacity}.XpGain_chip__mAdJb[data-lines]{padding:.625rem .875rem .6875rem;border-radius:.875rem}.XpGain_total__Ve6Wt{display:inline-flex;align-items:baseline;gap:.25rem;font-size:1rem;font-weight:700;line-height:1.2}.XpGain_total__Ve6Wt small{font-size:.75rem;font-weight:700;letter-spacing:.06em}.XpGain_lines__BfPYU{display:grid;gap:.25rem;padding-top:.4375rem;border-top:1px solid rgb(var(--xp)/.16)}.XpGain_line__nI6F9{display:flex;justify-content:space-between;gap:1.25rem;color:rgb(var(--home-ink)/.78);font-size:var(--type-label);font-weight:500;line-height:1.3}.XpGain_line__nI6F9 strong{color:rgb(var(--xp));font-weight:700}.XpGain_spark__tDVff{position:fixed;top:0;left:0;width:.75rem;height:.75rem;border-radius:50%;background:radial-gradient(circle,#fff 0 20%,rgb(52 211 153) 46%,rgb(var(--xp-bright)/0) 74%);box-shadow:0 0 14px 3px rgb(var(--xp-bright)/.45);opacity:0;will-change:transform,opacity}.XpGain_spark__tDVff[data-trail]{box-shadow:none}.XpGain_ring__2Hzzu{position:fixed;top:0;left:0;width:2rem;height:2rem;border:2px solid rgb(var(--xp-bright)/.6);border-radius:50%;opacity:0;will-change:transform,opacity}.Tip_tip__Z9dDU{position:relative;display:inline-flex}.Tip_bubble__vIuz1{position:absolute;z-index:40;width:max-content;max-width:230px;padding:5px 9px;border-radius:4px;background:rgb(38 38 38/.94);color:#fff;font:400 13px/1.4 var(--font-sans),sans-serif;text-align:center;white-space:normal;pointer-events:none;opacity:0;visibility:hidden;transition:opacity .12s ease,visibility 0s linear .12s}.Tip_tip__Z9dDU[data-side=bottom]>.Tip_bubble__vIuz1{top:calc(100% + 6px);left:50%;translate:-50% 0}.Tip_tip__Z9dDU[data-side=top]>.Tip_bubble__vIuz1{bottom:calc(100% + 6px);left:50%;translate:-50% 0}.Tip_tip__Z9dDU[data-side=left]>.Tip_bubble__vIuz1{right:calc(100% + 8px);top:50%;translate:0 -50%}.Tip_tip__Z9dDU[data-side=right]>.Tip_bubble__vIuz1{left:calc(100% + 8px);top:50%;translate:0 -50%}.Tip_tip__Z9dDU[data-surface]{display:block}.Tip_tip__Z9dDU[data-surface]>.Tip_bubble__vIuz1{top:16px;bottom:auto;left:50%;translate:-50% 0;max-width:min(280px,calc(100% - 96px));background:var(--sim-surface);color:var(--sim-ink);border:1px solid var(--sim-border);box-shadow:0 2px 8px color-mix(in srgb,var(--sim-ink) 12%,transparent);font-size:14px}.Tip_tip__Z9dDU[data-surface]>:focus-visible{outline:2px solid var(--sim-blue);outline-offset:-2px}@media (hover:hover){.Tip_tip__Z9dDU:hover>.Tip_bubble__vIuz1{opacity:1;visibility:visible;transition:opacity .14s ease .45s,visibility 0s linear .45s}.Tip_tip__Z9dDU[data-surface]:hover>.Tip_bubble__vIuz1{transition-delay:.3s}}.Tip_tip__Z9dDU:has(>:focus-visible)>.Tip_bubble__vIuz1{opacity:1;visibility:visible;transition:opacity .12s ease}.Tip_tip__Z9dDU[data-surface]:has(>:focus-visible)>.Tip_bubble__vIuz1{transition:none}.Tip_tip__Z9dDU:active>.Tip_bubble__vIuz1,.Tip_tip__Z9dDU:has(>:disabled)>.Tip_bubble__vIuz1,.Tip_tip__Z9dDU:has(>[aria-expanded=true])>.Tip_bubble__vIuz1,.Tip_tip__Z9dDU[data-dismissed]>.Tip_bubble__vIuz1{opacity:0!important;visibility:hidden!important;transition:none!important}@media (prefers-reduced-motion:reduce){.Tip_bubble__vIuz1{transition:none!important}}.CalculatorWorkspace_calculator__ySdln,.CalculatorWorkspace_styleMenu__46CoV{--graph-0:#c74440;--graph-1:#2d70b3;--graph-2:#388c46;--graph-3:#fa7e19;--graph-4:#6042a6;--graph-5:#000}.CalculatorWorkspace_calculator__ySdln{--calc-bg:#fff;--calc-chrome:#f4f4f4;--calc-tab:#f6f6f6;--calc-line:#e2e2e2;--calc-rule:#cfcfcf;--calc-ink:#222;--calc-soft:#666;--calc-faint:#8a8a8a;--calc-focus:#2f72dc;--calc-focus-soft:#eef4fc;--calc-warn:#d97a0e;display:grid;grid-template-columns:minmax(300px,.8fr) minmax(360px,1fr);min-width:0;min-height:500px;background:var(--calc-bg);color:var(--calc-ink);font:14px/1.4 var(--font-sans),sans-serif}.CalculatorWorkspace_calculator__ySdln[data-graph=false]{grid-template-columns:minmax(0,1fr);min-height:340px}.CalculatorWorkspace_calculator__ySdln button{cursor:pointer}.CalculatorWorkspace_calculator__ySdln button:disabled{cursor:default}.CalculatorWorkspace_calculator__ySdln :is(button,select,input,textarea,[tabindex]){scroll-margin-top:calc(var(--header-h, 88px) + 16px);scroll-margin-bottom:24px}.CalculatorWorkspace_calculator__ySdln :is(button,select,input):focus-visible{outline:2px solid var(--calc-focus);outline-offset:1px}.CalculatorWorkspace_expressions__bEpVI{min-width:0;display:flex;flex-direction:column;border-right:1px solid var(--calc-rule);background:var(--calc-bg)}.CalculatorWorkspace_toolbar__BEJan{display:flex;align-items:center;gap:2px;height:46px;padding:0 6px;border-bottom:1px solid var(--calc-rule);background:var(--calc-chrome)}.CalculatorWorkspace_toolbarSpacer__iQkZv{flex:1}.CalculatorWorkspace_icon__ZhEpP{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:4px;color:#444}.CalculatorWorkspace_icon__ZhEpP:hover:not(:disabled),.CalculatorWorkspace_icon__ZhEpP[aria-expanded=true],.CalculatorWorkspace_icon__ZhEpP[aria-pressed=true]{background:#e4e4e4;color:#111}.CalculatorWorkspace_icon__ZhEpP:disabled{color:#b5b5b5}.CalculatorWorkspace_list__RVCzI{display:flex;flex-direction:column}.CalculatorWorkspace_item__BgWDE{position:relative;display:grid;grid-template-columns:46px minmax(0,1fr) 34px;min-height:58px;border-bottom:1px solid var(--calc-line);background:var(--calc-bg)}.CalculatorWorkspace_tab__N50dR{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px 0 8px;background:var(--calc-tab);transition:background .12s}.CalculatorWorkspace_index__wFgDU{position:absolute;top:3px;left:5px;font-size:11px;line-height:1;color:var(--calc-faint)}.CalculatorWorkspace_item__BgWDE:focus-within>.CalculatorWorkspace_tab__N50dR{background:var(--calc-focus)}.CalculatorWorkspace_item__BgWDE:focus-within>.CalculatorWorkspace_tab__N50dR>.CalculatorWorkspace_index__wFgDU{color:#fff}.CalculatorWorkspace_item__BgWDE[data-targeted=true]:not(:focus-within){background:var(--calc-focus-soft)}.CalculatorWorkspace_item__BgWDE[data-targeted=true]:not(:focus-within)>.CalculatorWorkspace_tab__N50dR{background:#e1ebf8;animation:CalculatorWorkspace_targetGlow__rIYoc 1.8s ease-in-out infinite}@keyframes CalculatorWorkspace_targetGlow__rIYoc{50%{background:#c9dbf5;box-shadow:inset -3px 0 0 var(--calc-focus)}}.CalculatorWorkspace_graphRegion__jvsjZ,.CalculatorWorkspace_item__BgWDE,.CalculatorWorkspace_keyboardFooter__zf3bj,.CalculatorWorkspace_toolbar__BEJan{transition:opacity .36s cubic-bezier(.22,.68,0,1),background .24s}.CalculatorWorkspace_calculator__ySdln[data-passed=true] .CalculatorWorkspace_item__BgWDE[data-targeted=true]{background:rgb(var(--home-correct-tint))}.CalculatorWorkspace_calculator__ySdln[data-passed=true] .CalculatorWorkspace_item__BgWDE[data-targeted=true]>.CalculatorWorkspace_tab__N50dR{background:rgb(var(--home-correct)/.16);box-shadow:inset -3px 0 0 rgb(var(--home-correct));animation:none}.CalculatorWorkspace_calculator__ySdln[data-passed=true] .CalculatorWorkspace_item__BgWDE[data-targeted=true]>.CalculatorWorkspace_tab__N50dR>.CalculatorWorkspace_index__wFgDU{color:rgb(var(--home-correct));font-weight:600}.CalculatorWorkspace_calculator__ySdln[data-passed=true] .CalculatorWorkspace_item__BgWDE[data-targeted=true]>.CalculatorWorkspace_tab__N50dR>.CalculatorWorkspace_index__wFgDU:after{content:" ✓";font-weight:700}.CalculatorWorkspace_body___0KXG{min-width:0;display:flex;flex-direction:column;justify-content:center;padding:8px 4px 8px 10px}.CalculatorWorkspace_pasteRefused__c_nW7{margin-top:4px;font-size:13px;line-height:1.4;color:var(--calc-ink);animation:CalculatorWorkspace_pasteRefusedIn__Kfcv5 .2s ease-out}@keyframes CalculatorWorkspace_pasteRefusedIn__Kfcv5{0%{opacity:0}}.CalculatorWorkspace_mathField__usolh{width:100%;min-height:40px;font-size:20px;color:var(--calc-ink)}.CalculatorWorkspace_item__BgWDE .CalculatorWorkspace_mathField__usolh .mq-editable-field.mq-focused{outline:none;box-shadow:none}.CalculatorWorkspace_calculator__ySdln[data-preview=true] .CalculatorWorkspace_mathField__usolh{min-height:40px}.CalculatorWorkspace_result__QyxyB{align-self:flex-end;display:inline-flex;align-items:center;min-height:30px;margin:2px 2px 2px 0;padding:2px 10px;border-radius:4px;background:#f1f1f1;font-size:18px;color:var(--calc-ink)}.CalculatorWorkspace_result__QyxyB .katex{font-size:1em}.CalculatorWorkspace_equals__TDkTc{margin-right:.3em;font-family:KaTeX_Main,Times New Roman,serif}.CalculatorWorkspace_clear__w7hME{align-self:start;display:grid;place-items:center;width:30px;height:30px;margin-top:4px;border-radius:4px;color:var(--calc-faint);opacity:0;transition:opacity .12s,background .12s,color .12s}.CalculatorWorkspace_clear__w7hME:focus-visible,.CalculatorWorkspace_clear__w7hME[data-pinned=true],.CalculatorWorkspace_item__BgWDE:is(:hover,:focus-within) .CalculatorWorkspace_clear__w7hME{opacity:1}.CalculatorWorkspace_clear__w7hME:hover{background:#ececec;color:var(--calc-ink)}.CalculatorWorkspace_swatch__H65gl{--item-color:var(--graph-0);position:relative;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;border:2px solid var(--item-color);background:var(--item-color);transition:background .12s,box-shadow .16s}.CalculatorWorkspace_item__BgWDE:focus-within>.CalculatorWorkspace_tab__N50dR .CalculatorWorkspace_swatch__H65gl{box-shadow:0 0 0 2px #fff}.CalculatorWorkspace_swatch__H65gl[aria-pressed=false]{background:#fff}.CalculatorWorkspace_swatch__H65gl:hover:not(:disabled){box-shadow:0 0 0 4px color-mix(in srgb,var(--item-color) 18%,transparent)}.CalculatorWorkspace_swatch__H65gl:disabled{opacity:1}.CalculatorWorkspace_swatchDots__JZhBT{position:relative;width:12px;height:12px}.CalculatorWorkspace_swatchDots__JZhBT i{position:absolute;width:3.5px;height:3.5px;border-radius:50%;background:#fff}.CalculatorWorkspace_swatchDots__JZhBT i:first-child{left:0;top:1px}.CalculatorWorkspace_swatchDots__JZhBT i:nth-child(2){right:0;top:3px}.CalculatorWorkspace_swatchDots__JZhBT i:nth-child(3){left:4px;bottom:0}.CalculatorWorkspace_swatch__H65gl[aria-pressed=false] .CalculatorWorkspace_swatchDots__JZhBT i{background:var(--item-color)}.CalculatorWorkspace_swatch__H65gl[data-cue=true]{animation:CalculatorWorkspace_swatchCue__z0rcw 1.8s ease-in-out infinite}@keyframes CalculatorWorkspace_swatchCue__z0rcw{0%,to{box-shadow:0 0 0 3px color-mix(in srgb,var(--calc-focus) 30%,transparent)}50%{box-shadow:0 0 0 8px color-mix(in srgb,var(--calc-focus) 8%,transparent)}}.CalculatorWorkspace_fractionToggle__D1cip{display:inline-flex;flex-direction:column;align-items:center;gap:1px;width:34px;padding:3px 0;border-radius:4px;color:var(--calc-focus);font-size:13px}.CalculatorWorkspace_fractionToggle__D1cip:hover{background:rgb(47 114 220/.1)}.CalculatorWorkspace_item__BgWDE:focus-within .CalculatorWorkspace_fractionToggle__D1cip{color:#fff}.CalculatorWorkspace_item__BgWDE:focus-within .CalculatorWorkspace_fractionToggle__D1cip:hover{background:rgb(255 255 255/.18)}.CalculatorWorkspace_warning__kHmjh{display:grid;place-items:center;width:30px;height:30px;border-radius:4px;color:var(--calc-warn)}.CalculatorWorkspace_item__BgWDE:focus-within .CalculatorWorkspace_warning__kHmjh{color:#ffd79c}.CalculatorWorkspace_calculator__ySdln[data-passed=true] .CalculatorWorkspace_item__BgWDE[data-targeted=true] .CalculatorWorkspace_fractionToggle__D1cip{color:rgb(var(--home-correct))}.CalculatorWorkspace_calculator__ySdln[data-passed=true] .CalculatorWorkspace_item__BgWDE[data-targeted=true] .CalculatorWorkspace_fractionToggle__D1cip:hover{background:rgb(var(--home-correct)/.12)}.CalculatorWorkspace_calculator__ySdln[data-passed=true] .CalculatorWorkspace_item__BgWDE[data-targeted=true] .CalculatorWorkspace_warning__kHmjh{color:var(--calc-warn)}.CalculatorWorkspace_tableBody__OlL2t{min-width:0;padding:10px 6px 12px 12px}.CalculatorWorkspace_dataTable__Sk_pB{border-collapse:collapse;table-layout:fixed;width:auto}.CalculatorWorkspace_dataTable__Sk_pB td,.CalculatorWorkspace_dataTable__Sk_pB th{width:108px;padding:0;text-align:center}.CalculatorWorkspace_dataTable__Sk_pB th{height:44px;border-bottom:1.5px solid #6b6b6b;font-weight:400}.CalculatorWorkspace_dataTable__Sk_pB td{height:38px;border-bottom:1px solid var(--calc-line)}.CalculatorWorkspace_dataTable__Sk_pB :is(th,td):first-child{border-right:1.5px solid #6b6b6b}.CalculatorWorkspace_dataTable__Sk_pB td:nth-child(3),.CalculatorWorkspace_dataTable__Sk_pB th:nth-child(3){width:34px;border:0}.CalculatorWorkspace_columnHeader___aoX3{display:flex;align-items:center;justify-content:center;gap:6px;padding-left:8px}.CalculatorWorkspace_columnHeader___aoX3 .CalculatorWorkspace_swatch__H65gl{flex:0 0 auto}.CalculatorWorkspace_cellField__ne453,.CalculatorWorkspace_headerField__KX1Xt{width:100%;min-height:0;justify-content:center;font-size:18px}.CalculatorWorkspace_headerField__KX1Xt{min-width:0}.CalculatorWorkspace_cellField__ne453{height:38px;font-size:17px}.CalculatorWorkspace_cellField__ne453 .mq-editable-field.mq-focused,.CalculatorWorkspace_headerField__KX1Xt .mq-editable-field.mq-focused{outline:none;box-shadow:none}.CalculatorWorkspace_dataTable__Sk_pB td:focus-within,.CalculatorWorkspace_dataTable__Sk_pB th:focus-within:not(:has(.CalculatorWorkspace_swatch__H65gl:focus-visible)){box-shadow:inset 0 0 0 2px var(--calc-focus)}.CalculatorWorkspace_cellField__ne453[data-readonly=true]{color:var(--calc-soft)}.CalculatorWorkspace_rowDelete__VQCh3{display:grid;place-items:center;width:30px;height:30px;border-radius:4px;color:var(--calc-faint)}.CalculatorWorkspace_rowDelete__VQCh3:hover{background:#ececec;color:var(--calc-ink)}.CalculatorWorkspace_itemTools__oLOcC{display:flex;flex-direction:column;align-items:center;gap:2px;padding-top:4px;opacity:0;transition:opacity .12s}.CalculatorWorkspace_item__BgWDE:is(:hover,:focus-within) .CalculatorWorkspace_itemTools__oLOcC{opacity:1}.CalculatorWorkspace_itemTool__Xssot{display:grid;place-items:center;width:30px;height:30px;border-radius:4px;color:var(--calc-soft)}.CalculatorWorkspace_itemTool__Xssot:hover:not(:disabled){background:#ececec;color:var(--calc-ink)}.CalculatorWorkspace_itemTool__Xssot:disabled{color:#c6c6c6}.CalculatorWorkspace_itemError___Gjkg{margin:8px 0 0;color:#b3261e;font-size:13px}.CalculatorWorkspace_regressionHead__r2kfc{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;min-height:40px}.CalculatorWorkspace_regressionMath__z9CQH{font-size:20px}.CalculatorWorkspace_regressionMath__z9CQH .katex{font-size:1em}.CalculatorWorkspace_modelPicker__GMvoR{position:relative;display:inline-flex;align-items:center;margin-left:auto;color:var(--calc-soft)}.CalculatorWorkspace_modelPicker__GMvoR select{appearance:none;padding:5px 26px 5px 10px;border:1px solid var(--calc-rule);border-radius:4px;background:#fff;color:var(--calc-ink);font:13px/1.4 var(--font-sans),sans-serif;cursor:pointer}.CalculatorWorkspace_modelPicker__GMvoR select:hover:not(:disabled){border-color:#9a9a9a}.CalculatorWorkspace_modelPicker__GMvoR svg{position:absolute;right:8px;pointer-events:none}.CalculatorWorkspace_regressionStats__a6sS0{display:grid;gap:8px;padding:6px 0 4px}.CalculatorWorkspace_regressionStats__a6sS0>div{display:grid;gap:3px}.CalculatorWorkspace_statsLabel___jH9M{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--calc-faint)}.CalculatorWorkspace_statsValues__1g9x7{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:17px}.CalculatorWorkspace_statsValues__1g9x7 .katex{font-size:1em}.CalculatorWorkspace_parameter__5Jfkr{padding:1px 8px;border-radius:4px;background:#f1f1f1}.CalculatorWorkspace_logMode___Hkw9{font-size:12px;color:var(--calc-soft)}.CalculatorWorkspace_keyboardFooter__zf3bj{margin-top:auto;padding:6px;border-top:1px solid var(--calc-line);background:var(--calc-chrome)}.CalculatorWorkspace_calculator__ySdln[data-guided=true] .CalculatorWorkspace_keyboardFooter__zf3bj{margin-top:0}.CalculatorWorkspace_keypadToggle__1k3IS{display:inline-flex;align-items:center;gap:2px;height:32px;padding:0 6px;border-radius:4px;color:#444}.CalculatorWorkspace_keypadToggle__1k3IS:hover:not(:disabled),.CalculatorWorkspace_keypadToggle__1k3IS[aria-expanded=true]{background:#e4e4e4}.CalculatorWorkspace_typingNote__u6jKN{display:flex;align-items:center;gap:8px;min-height:32px;margin:0;padding:0 6px;color:#555;font-size:14px}.CalculatorWorkspace_keypadToggle__1k3IS[aria-expanded=true] svg:last-child{transform:rotate(180deg)}.CalculatorWorkspace_keypad__Ia_2l{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;padding:8px;background:#e9e9e9}.CalculatorWorkspace_keypad__Ia_2l button{display:grid;place-items:center;min-height:42px;border-radius:4px;background:#fff;box-shadow:0 1px 0 #c4c4c4;font-size:18px}.CalculatorWorkspace_keypad__Ia_2l button:hover{background:#f6f6f6}.CalculatorWorkspace_keypad__Ia_2l .katex{font-size:1em}.CalculatorWorkspace_graphRegion__jvsjZ{min-width:0;min-height:500px;position:relative;display:grid}.CalculatorWorkspace_graphTool__TMiBt{display:grid;place-items:center;width:34px;height:34px;background:#fff;color:#444;border:1px solid var(--calc-rule);border-radius:4px;box-shadow:0 1px 3px rgb(0 0 0/.1)}.CalculatorWorkspace_graphTool__TMiBt:hover:not(:disabled){background:#f4f4f4;color:#111}.CalculatorWorkspace_graphTool__TMiBt:disabled{color:#c2c2c2}.CalculatorWorkspace_menu__zKRbT,.CalculatorWorkspace_popover__ZcqCT,.CalculatorWorkspace_styleMenu__46CoV{z-index:80;background:#fff;color:#222;border:1px solid #c8c8c8;border-radius:6px;box-shadow:0 4px 18px rgb(0 0 0/.16);font:14px/1.4 var(--font-sans),sans-serif}.CalculatorWorkspace_menu__zKRbT{min-width:170px;padding:5px}.CalculatorWorkspace_menuItem__zNmvW{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:4px;cursor:pointer;outline:none}.CalculatorWorkspace_menuItem__zNmvW[data-highlighted]{background:#eef4fc}.CalculatorWorkspace_menuItem__zNmvW[data-disabled]{color:#aaa;cursor:default}.CalculatorWorkspace_menuItem__zNmvW>:first-child{width:28px}.CalculatorWorkspace_popover__ZcqCT{position:relative;min-width:240px;padding:16px 18px}.CalculatorWorkspace_popover__ZcqCT strong{display:block;margin-bottom:10px;font-weight:500}.CalculatorWorkspace_angleChoices__2gL_n{display:flex;gap:6px}.CalculatorWorkspace_angleChoices__2gL_n button{padding:7px 12px;border:1px solid #c8c8c8;border-radius:4px;cursor:pointer}.CalculatorWorkspace_angleChoices__2gL_n [aria-checked=true]{color:#fff;background:#2f72dc;border-color:#2f72dc}.CalculatorWorkspace_close__9U8nD{position:absolute;right:6px;top:6px;display:grid;place-items:center;width:28px;height:28px;border-radius:4px;color:#777;cursor:pointer}.CalculatorWorkspace_close__9U8nD:hover{background:#f0f0f0;color:#222}.CalculatorWorkspace_styleMenu__46CoV{width:214px;padding:12px}.CalculatorWorkspace_menuBody__8lrNG{position:relative;display:grid;gap:10px}.CalculatorWorkspace_menuSwitch__jm0x2{display:flex;align-items:center;justify-content:space-between;gap:12px;font-weight:500;cursor:pointer}.CalculatorWorkspace_menuSwitch__jm0x2 input{appearance:none;position:relative;width:34px;height:18px;margin:0;border-radius:9px;background:#d9d9d9;cursor:pointer;transition:background .14s}.CalculatorWorkspace_menuSwitch__jm0x2 input:after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgb(0 0 0/.3);transition:translate .14s}.CalculatorWorkspace_menuSwitch__jm0x2 input:checked{background:#555}.CalculatorWorkspace_menuSwitch__jm0x2 input:checked:after{translate:16px 0}.CalculatorWorkspace_menuSwitch__jm0x2 input:focus-visible{outline:2px solid #2f72dc;outline-offset:2px}.CalculatorWorkspace_shapeGrid__u3LTH{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #d0d0d0;border-radius:4px;overflow:hidden}.CalculatorWorkspace_shapeGrid__u3LTH button{display:grid;place-items:center;height:30px;border-right:1px solid #e3e3e3;border-bottom:1px solid #e3e3e3;color:#333;cursor:pointer}.CalculatorWorkspace_shapeGrid__u3LTH button:nth-child(4n){border-right:0}.CalculatorWorkspace_shapeGrid__u3LTH button:nth-child(n+5){border-bottom:0}.CalculatorWorkspace_shapeGrid__u3LTH button:hover:not(:disabled){background:#f3f3f3}.CalculatorWorkspace_shapeGrid__u3LTH button[aria-checked=true]{background:#e3edfb;color:#2f72dc}.CalculatorWorkspace_shapeGrid__u3LTH[data-disabled=true]{opacity:.4}.CalculatorWorkspace_shapeGrid__u3LTH path{fill:currentColor;stroke:currentColor;stroke-width:1.4}.CalculatorWorkspace_shapeGrid__u3LTH path[data-stroked=true]{fill:none;stroke-width:1.8}.CalculatorWorkspace_colorRow__2VNz_{display:grid;grid-template-columns:repeat(6,1fr);gap:5px}.CalculatorWorkspace_colorRow__2VNz_ button{aspect-ratio:1;border-radius:4px;background:var(--item-color);cursor:pointer}.CalculatorWorkspace_colorRow__2VNz_ button[aria-checked=true]:after{content:"";display:block;width:8px;height:13px;margin:3px auto 0;border:solid #fff;border-width:0 2.5px 2.5px 0;rotate:45deg}.CalculatorWorkspace_menuDivider__8uvdq{height:1px;background:#e6e6e6}.CalculatorWorkspace_addRegression__0RN8I{display:inline-flex;align-items:center;justify-content:center;gap:7px;width:100%;min-height:34px;border:1px solid #c8c8c8;border-radius:4px;background:#f7f7f7;color:#222;font-size:14px;cursor:pointer}.CalculatorWorkspace_addRegression__0RN8I:hover:not(:disabled){background:#eee;border-color:#9a9a9a}.CalculatorWorkspace_addRegression__0RN8I:disabled{color:#9a9a9a;cursor:default}.CalculatorWorkspace_addRegression__0RN8I[data-cue=true]:not(:disabled){border-color:#2f72dc;box-shadow:0 0 0 3px rgb(47 114 220/.2)}.CalculatorWorkspace_menuNote__4JA38{margin:-2px 0 0;font-size:12.5px;line-height:1.4;color:#666}.CalculatorWorkspace_menuCheck__M602k{display:flex;align-items:center;gap:8px;padding-right:30px;min-height:28px;cursor:pointer}.CalculatorWorkspace_menuCheck__M602k .katex{font-size:1.05em}@container simulator (max-width: 700px){.CalculatorWorkspace_calculator__ySdln{grid-template-columns:minmax(0,1fr)}.CalculatorWorkspace_graphRegion__jvsjZ{min-height:340px;border-top:1px solid var(--calc-rule)}.CalculatorWorkspace_expressions__bEpVI{border-right:none;min-height:260px}.CalculatorWorkspace_calculator__ySdln[data-graph=false] .CalculatorWorkspace_expressions__bEpVI{min-height:340px}}@media (hover:none){.CalculatorWorkspace_clear__w7hME,.CalculatorWorkspace_itemTools__oLOcC{opacity:1}}@media (prefers-reduced-motion:no-preference){.CalculatorWorkspace_graphTool__TMiBt,.CalculatorWorkspace_icon__ZhEpP,.CalculatorWorkspace_keypad__Ia_2l button{transition:background .12s,color .12s}.CalculatorWorkspace_graphTool__TMiBt:active:not(:disabled),.CalculatorWorkspace_icon__ZhEpP:active:not(:disabled),.CalculatorWorkspace_keypad__Ia_2l button:active{transform:translateY(1px)}}@media (prefers-reduced-motion:reduce){.CalculatorWorkspace_swatch__H65gl[data-cue=true]{animation:none;box-shadow:0 0 0 3px rgb(47 114 220/.3)}.CalculatorWorkspace_item__BgWDE[data-targeted=true]:not(:focus-within)>.CalculatorWorkspace_tab__N50dR{animation:none;box-shadow:inset -3px 0 0 var(--calc-focus)}.CalculatorWorkspace_calculator__ySdln *,.CalculatorWorkspace_styleMenu__46CoV *{transition:none!important}}.CalculatorWorkspace_solutions__IG11m{align-self:flex-end;display:flex;flex-wrap:wrap;justify-content:flex-end;gap:4px}.CalculatorWorkspace_solutions__IG11m .CalculatorWorkspace_result__QyxyB{margin:0}.CalculatorWorkspace_axes__0uk4K{margin-top:14px;padding-top:12px;border-top:1px solid #e2e2e2}.CalculatorWorkspace_axisRange__Aseok{display:grid;grid-template-columns:72px auto 72px;align-items:center;gap:8px;margin-top:6px;font-size:15px}.CalculatorWorkspace_axisInput__vrlIz{width:100%;padding:4px 7px;border:1px solid #c8c8c8;border-radius:4px;background:#fff;font:inherit;font-size:14px;font-variant-numeric:tabular-nums;color:#222;transition:border-color .12s}.CalculatorWorkspace_axisRange__Aseok .CalculatorWorkspace_axisInput__vrlIz:first-child{text-align:right}.CalculatorWorkspace_axisInput__vrlIz:hover{border-color:#9a9a9a}.CalculatorWorkspace_axisInput__vrlIz:focus-visible{border-color:#2f72dc;outline:2px solid #2f72dc;outline-offset:0}.CalculatorWorkspace_calculator__ySdln[data-fills=true]{height:100%;min-height:0}.CalculatorWorkspace_calculator__ySdln[data-fills=true] .CalculatorWorkspace_expressions__bEpVI,.CalculatorWorkspace_calculator__ySdln[data-fills=true] .CalculatorWorkspace_graphRegion__jvsjZ{min-height:0}.CalculatorWorkspace_calculator__ySdln[data-fills=true] .CalculatorWorkspace_list__RVCzI{flex:1;min-height:0;overflow-y:auto}@container simulator (max-width: 700px){.CalculatorWorkspace_calculator__ySdln[data-fills=true]{grid-template-rows:minmax(0,1fr) minmax(0,1fr)}}@container simulator (min-width: 1040px){.CalculatorWorkspace_calculator__ySdln[data-fills-wide=true]{height:100%;min-height:0}.CalculatorWorkspace_calculator__ySdln[data-fills-wide=true] .CalculatorWorkspace_expressions__bEpVI,.CalculatorWorkspace_calculator__ySdln[data-fills-wide=true] .CalculatorWorkspace_graphRegion__jvsjZ{min-height:0}.CalculatorWorkspace_calculator__ySdln[data-fills-wide=true] .CalculatorWorkspace_list__RVCzI{flex:1;min-height:0;overflow-y:auto}}.LessonPractice_chooser__1f9SE,.LessonPractice_hereBar__IFfn_{--bb-blue:#2d4fd8;--bb-blue-deep:#18298a;--bb-blue-hover:#2442bd;--bb-blue-soft:#edf1fe;--practice-ink:var(--fg-ink,#1a1c18);--practice-muted:var(--fg-muted,#65675f);--practice-border:var(--fg-border,#e2e4e8);--practice-soft:var(--fg-soft,#f1f3f5);--practice-ease:cubic-bezier(.2,.8,.2,1);--practice-spring:cubic-bezier(.34,1.4,.64,1)}.LessonPractice_chooser__1f9SE{margin:28px 0 8px;display:grid;gap:16px;animation:LessonPractice_practice-rise__wC7_e .45s var(--practice-ease) both}.LessonPractice_chooser__1f9SE[data-guided-fitted]{margin-block:8px 0}.LessonPractice_chooser__1f9SE[data-guided-fitted] .LessonPractice_art__dL4Hl{height:clamp(0px,(var(--guided-fit-h) - 560px) * 100,212px);padding-block:clamp(0px,(var(--guided-fit-h) - 560px) * 100,22px) 0;border-bottom-width:clamp(0px,(var(--guided-fit-h) - 560px) * 100,1px)}.LessonPractice_head__9EqD8{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 20px}.LessonPractice_count__ivdjy{display:flex;align-items:baseline;gap:10px;margin:0;color:var(--practice-muted);font:var(--type-read)/1.4 var(--font-sans),sans-serif}.LessonPractice_count__ivdjy strong{color:var(--practice-ink);font:400 40px/1 var(--font-serif),Georgia,serif;letter-spacing:-.02em;font-variant-numeric:lining-nums tabular-nums}.LessonPractice_status__leHnb{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;background:var(--bb-blue-soft);color:var(--bb-blue);font:600 var(--type-label)/1.2 var(--font-sans),sans-serif}.LessonPractice_options__D4rms{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(0,1fr);gap:16px}.LessonPractice_option__m9dBd{display:grid;grid-template-rows:auto 1fr;min-width:0;padding:0;overflow:hidden;border:1px solid var(--practice-border);border-radius:20px;background:#fff;color:var(--practice-ink);text-align:left;font:inherit;cursor:pointer;box-shadow:0 1px 2px rgb(20 22 28/.04);transition:transform .22s var(--practice-ease),box-shadow .25s var(--practice-ease),border-color .2s var(--practice-ease)}.LessonPractice_option__m9dBd:hover{transform:translateY(-3px);box-shadow:0 2px 4px rgb(20 22 28/.04),0 22px 44px -24px rgb(20 22 28/.32)}.LessonPractice_option__m9dBd:active{transform:translateY(-1px) scale(.992)}.LessonPractice_option__m9dBd:focus-visible{outline:2px solid var(--bb-blue);outline-offset:3px}.LessonPractice_bluebook__xWJVJ:hover{border-color:color-mix(in srgb,var(--bb-blue) 55%,var(--practice-border))}.LessonPractice_here__pKmWB:hover{border-color:color-mix(in srgb,var(--practice-ink) 45%,var(--practice-border))}.LessonPractice_art__dL4Hl{position:relative;display:grid;place-items:end center;height:212px;padding:22px 26px 0;overflow:hidden;isolation:isolate}.LessonPractice_bluebook__xWJVJ .LessonPractice_art__dL4Hl{background:radial-gradient(110% 90% at 0 0,rgb(255 255 255/.16) 0,transparent 55%),linear-gradient(155deg,#2946cc 0,var(--bb-blue-deep) 100%)}.LessonPractice_bluebook__xWJVJ .LessonPractice_art__dL4Hl:before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgb(255 255 255/.09) 1px,transparent 0),linear-gradient(90deg,rgb(255 255 255/.09) 1px,transparent 0);background-size:24px 24px;-webkit-mask-image:linear-gradient(170deg,transparent 5%,#000 60%);mask-image:linear-gradient(170deg,transparent 5%,#000 60%)}.LessonPractice_here__pKmWB .LessonPractice_art__dL4Hl{background:var(--practice-soft)}.LessonPractice_art__dL4Hl svg{display:block;width:100%;max-width:340px;height:auto;margin-bottom:-24px;filter:drop-shadow(0 18px 24px rgb(10 16 40/.28));transition:transform .45s var(--practice-spring)}.LessonPractice_here__pKmWB .LessonPractice_art__dL4Hl svg{filter:drop-shadow(0 14px 20px rgb(20 22 28/.12))}.LessonPractice_bluebook__xWJVJ:hover .LessonPractice_art__dL4Hl svg{transform:translateY(-6px) rotate(-1deg)}.LessonPractice_here__pKmWB:hover .LessonPractice_art__dL4Hl svg{transform:translateY(-5px)}.LessonPractice_optionBody__Owv0_{display:grid;align-content:start;gap:10px;padding:22px 24px 24px;position:relative;background:#fff}.LessonPractice_optionTitle__b_DE9{font:400 24px/1.2 var(--font-serif),Georgia,serif;letter-spacing:-.015em;color:var(--practice-ink)}.LessonPractice_optionText__xWqhw{color:var(--practice-muted);font:var(--type-read)/1.55 var(--font-sans),sans-serif}.LessonPractice_features__RyvUR{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}.LessonPractice_features__RyvUR>span{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 11px 0 9px;border-radius:999px;background:var(--practice-soft);color:var(--practice-ink);font:500 var(--type-label)/1 var(--font-sans),sans-serif}.LessonPractice_features__RyvUR svg{color:var(--bb-blue)}.LessonPractice_cta__33fzd{justify-self:start;display:inline-flex;align-items:center;gap:10px;height:46px;margin-top:10px;padding:0 20px;border-radius:999px;font:600 15px/1 var(--font-sans),sans-serif;transition:background-color .2s var(--practice-ease),color .2s var(--practice-ease),box-shadow .2s var(--practice-ease)}.LessonPractice_cta__33fzd svg{transition:transform .25s var(--practice-spring)}.LessonPractice_ctaPrimary__1ssbq{background:var(--bb-blue);color:#fff;box-shadow:0 8px 18px -10px var(--bb-blue)}.LessonPractice_bluebook__xWJVJ:hover .LessonPractice_ctaPrimary__1ssbq{background:var(--bb-blue-hover)}.LessonPractice_bluebook__xWJVJ:hover .LessonPractice_ctaPrimary__1ssbq svg{transform:translateX(4px)}.LessonPractice_ctaQuiet__Dha_E{border:1.5px solid var(--practice-ink);color:var(--practice-ink)}.LessonPractice_here__pKmWB:hover .LessonPractice_ctaQuiet__Dha_E{background:var(--practice-ink);color:#fff}.LessonPractice_here__pKmWB:hover .LessonPractice_ctaQuiet__Dha_E svg{transform:translateY(3px)}.LessonPractice_frame__hlxQI{fill:#e7eaef;stroke:#d6dae1;stroke-width:1}.LessonPractice_screen__H_9us{fill:#fff}.LessonPractice_ink__pMbQ4{fill:#1b1f2a}.LessonPractice_inkSoft__7qXw4{fill:#3a3f4b}.LessonPractice_blue__FCZa7{fill:var(--bb-blue)}.LessonPractice_soft__FXLw_{fill:#e6e9ee}.LessonPractice_line__noI08{fill:#cfd4dc}.LessonPractice_rule__2NpEk{stroke:#e3e6ea;stroke-width:1}.LessonPractice_dashRule__zkkYr{stroke:#cfd4dc;stroke-width:2.5;stroke-dasharray:4 3;stroke-linecap:butt}.LessonPractice_plate__PvZdX{fill:#f1f3f5}.LessonPractice_plotLine__cM1bJ{stroke:var(--bb-blue);stroke-width:2;stroke-linecap:round;fill:none}.LessonPractice_highlight__f8jfP{fill:#e6dcff}.LessonPractice_clock__BzObl{font:700 12px/1 var(--font-sans),sans-serif;fill:#1b1f2a;letter-spacing:.02em}.LessonPractice_choice__42pZG{fill:#fff;stroke:#d3d8df;stroke-width:1}.LessonPractice_choiceOn__a3xpS{fill:#edf1fe;stroke:var(--bb-blue);stroke-width:1.4}.LessonPractice_choiceRight__VTCVa{fill:#ecfdf5;stroke:#047857;stroke-width:1.2}.LessonPractice_letter__GEJy3{fill:none;stroke:#5b6170;stroke-width:1}.LessonPractice_green__CN5Vl{fill:#047857}.LessonPractice_card__3yEp7{fill:#fff;stroke:#e2e4e8;stroke-width:1}.LessonPractice_nextButton__qDWgN{transition:opacity .3s var(--practice-ease)}.LessonPractice_bluebook__xWJVJ:hover .LessonPractice_nextButton__qDWgN{opacity:.85}.LessonPractice_hereBar__IFfn_{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;margin:24px 0 18px;padding:10px 10px 10px 16px;border:1px solid var(--practice-border);border-radius:14px;background:var(--practice-soft);animation:LessonPractice_practice-rise__wC7_e .35s var(--practice-ease) both}.LessonPractice_hereLabel__JXvje{display:inline-flex;align-items:center;gap:8px;color:var(--practice-ink);font:500 var(--type-label)/1.3 var(--font-sans),sans-serif}.LessonPractice_switchButton__puaFI{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;border:1px solid color-mix(in srgb,var(--bb-blue) 35%,transparent);border-radius:999px;background:#fff;color:var(--bb-blue);font:600 14px/1 var(--font-sans),sans-serif;cursor:pointer;transition:background-color .18s var(--practice-ease),color .18s var(--practice-ease),border-color .18s var(--practice-ease)}.LessonPractice_switchButton__puaFI:hover{background:var(--bb-blue);border-color:var(--bb-blue);color:#fff}.LessonPractice_switchButton__puaFI:focus-visible{outline:2px solid var(--bb-blue);outline-offset:2px}.LessonPractice_questions__ezqi1{animation:LessonPractice_practice-rise__wC7_e .45s var(--practice-ease) both}@keyframes LessonPractice_practice-rise__wC7_e{0%{opacity:0}}@media (max-width:760px){.LessonPractice_options__D4rms{grid-template-columns:minmax(0,1fr)}.LessonPractice_art__dL4Hl{height:auto;padding:18px 22px 0}.LessonPractice_art__dL4Hl svg{max-width:300px}.LessonPractice_optionBody__Owv0_{padding:18px 18px 20px}.LessonPractice_optionTitle__b_DE9{font-size:22px}}@media (max-width:560px){.LessonPractice_here__pKmWB .LessonPractice_art__dL4Hl{display:none}.LessonPractice_count__ivdjy strong{font-size:34px}}@media (prefers-reduced-motion:reduce){.LessonPractice_chooser__1f9SE,.LessonPractice_hereBar__IFfn_,.LessonPractice_questions__ezqi1{animation:none}.LessonPractice_art__dL4Hl svg,.LessonPractice_cta__33fzd,.LessonPractice_cta__33fzd svg,.LessonPractice_nextButton__qDWgN,.LessonPractice_option__m9dBd{transition:none}.LessonPractice_bluebook__xWJVJ:hover .LessonPractice_art__dL4Hl svg,.LessonPractice_here__pKmWB:hover .LessonPractice_art__dL4Hl svg,.LessonPractice_option__m9dBd:hover{transform:none}}.Glossary_term__ESXpE{cursor:help;border-radius:2px;text-decoration-line:underline;text-decoration-style:dotted;text-decoration-thickness:1.5px;text-decoration-color:color-mix(in srgb,var(--subject-color,currentColor) 70%,transparent);text-underline-offset:.24em;text-decoration-skip-ink:auto;-webkit-tap-highlight-color:transparent;transition:background-color .16s ease,box-shadow .16s ease,text-decoration-color .16s ease}.Glossary_term__ESXpE:hover,.Glossary_term__ESXpE[data-glossary-active]{text-decoration-style:solid;text-decoration-color:var(--subject-color,currentColor);background-color:var(--subject-soft,rgb(0 0 0/.05));box-shadow:0 0 0 2px var(--subject-soft,rgb(0 0 0/.05))}.Glossary_term__ESXpE:focus-visible{outline:2px solid var(--fg-accent,currentColor);outline-offset:3px}.Glossary_card__Doy14{--tooltip-surface:var(--fg-surface,#ffffff);--tooltip-border:var(--fg-border,#e2e4e8);--tooltip-text:var(--fg-ink,rgb(26 28 24));--tooltip-muted:var(--fg-muted,#65675f);--tooltip-accent:var(--subject-color,var(--fg-accent,#a54a32));--tooltip-shadow:0 18px 40px -20px rgb(40 35 25/.45),0 2px 8px -3px rgb(40 35 25/.14);--tooltip-shift:4px;--tooltip-plate:color-mix(in srgb,var(--subject-soft,#f1f3f5) 72%,var(--tooltip-surface));box-sizing:border-box;width:max-content;max-width:min(320px,calc(100vw - 24px));border:1px solid var(--tooltip-border);border-radius:8px;background:var(--tooltip-surface);box-shadow:var(--tooltip-shadow);color:var(--tooltip-text);font:16px/1.55 var(--font-sans),sans-serif;letter-spacing:0;text-align:left}.Glossary_card__Doy14[data-figure]{width:min(340px,calc(100vw - 24px));max-width:none}.Glossary_tooltip__DlLyU{position:fixed;top:0;left:0;z-index:90;visibility:hidden;opacity:0;transform:translateY(var(--tooltip-shift));transition:opacity .14s ease,transform .2s cubic-bezier(.2,.8,.2,1)}.Glossary_tooltip__DlLyU[data-placement=bottom]{--tooltip-shift:-4px}.Glossary_tooltip__DlLyU[data-ready]{opacity:1;transform:none}.Glossary_plate__YHDBO{display:grid;place-items:center;min-height:112px;padding:16px 14px 14px;border-bottom:1px solid color-mix(in srgb,var(--tooltip-accent) 14%,var(--tooltip-border));border-radius:7px 7px 0 0;background:radial-gradient(70% 90% at 50% 100%,color-mix(in srgb,var(--tooltip-surface) 70%,transparent),transparent 75%),var(--tooltip-plate)}.Glossary_body__LOCqq{padding:13px 16px 14px}.Glossary_card__Doy14[data-figure] .Glossary_body__LOCqq{padding-top:12px}.Glossary_name__iXZIF{margin:0 0 3px;color:var(--tooltip-accent);font:400 20px/1.25 var(--fg-serif,Georgia),Georgia,serif;letter-spacing:-.01em}.Glossary_definition__pBzVt{margin:0}.Glossary_example__hP_gI{margin:10px 0 0;padding-top:9px;border-top:1px solid var(--tooltip-border);color:var(--tooltip-muted);font-size:15px;line-height:1.5}.Glossary_exampleLabel__GwAx3{display:block;margin-bottom:1px;color:var(--tooltip-muted);font:600 12px/1.5 var(--font-sans),sans-serif;letter-spacing:.1em;text-transform:uppercase}.Glossary_arrow__Dl9El{position:absolute;width:10px;height:10px;background:var(--tooltip-surface);transform:rotate(45deg)}.Glossary_tooltip__DlLyU[data-placement=top] .Glossary_arrow__Dl9El{bottom:-6px;border-right:1px solid var(--tooltip-border);border-bottom:1px solid var(--tooltip-border)}.Glossary_tooltip__DlLyU[data-placement=bottom] .Glossary_arrow__Dl9El{top:-6px;background:var(--tooltip-surface);border-top:1px solid var(--tooltip-border);border-left:1px solid var(--tooltip-border)}.Glossary_tooltip__DlLyU[data-figure][data-placement=bottom] .Glossary_arrow__Dl9El{background:var(--tooltip-plate);border-color:color-mix(in srgb,var(--tooltip-accent) 14%,var(--tooltip-border))}@media (prefers-reduced-motion:reduce){.Glossary_term__ESXpE,.Glossary_tooltip__DlLyU{transition:none}.Glossary_tooltip__DlLyU{transform:none}}