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var(--lx-ease)}.explicitDetailsCover_name__ee3cm[data-pressed]{background:var(--sp-hover)}.explicitDetailsCover_name__ee3cm[data-lit]{color:var(--lx-subject);box-shadow:inset 0 -2px 0 currentColor}.explicitDetailsCover_ask__4DTYM{display:grid;gap:10px;width:min(100%,31rem)}.explicitDetailsCover_ask__4DTYM .explicitDetailsCover_prompt__zA42_{text-align:start}.explicitDetailsCover_choices__741fr>*{min-height:46px;padding:7px 34px 7px 10px;border-top:1px solid var(--sp-hair);cursor:default}.explicitDetailsCover_choices__741fr>:last-child{border-bottom:1px solid var(--sp-hair)}.explicitDetailsCover_choices__741fr>[data-pressed]{background:var(--sp-hover)}.explicitDetailsCover_choices__741fr>[data-pressed]>:first-child{transform:scale(.92)}@media (max-width:1000px){.explicitDetailsCover_scene__LoQam{height:300px}.explicitDetailsCover_stage__aGtI_{gap:14px;padding-top:8px}.explicitDetailsCover_last__siEQH{margin-top:0}.explicitDetailsCover_choices__741fr>*{min-height:40px;padding:4px 30px 4px 8px}}.explicitDetailsCover_scene__LoQam[data-view=island]{height:auto}.explicitDetailsCover_scene__LoQam[data-view=island] .explicitDetailsCover_stage__aGtI_{padding-top:12px;padding-bottom:4px}.explicitDetailsCover_scene__LoQam[data-still] *,.explicitDetailsCover_scene__LoQam[data-still] :after,.explicitDetailsCover_scene__LoQam[data-still] :before{animation:none!important;transition:none!important}@media (prefers-reduced-motion:reduce){.explicitDetailsCover_scene__LoQam *,.explicitDetailsCover_scene__LoQam :after,.explicitDetailsCover_scene__LoQam :before{animation:none!important;transition:none!important}}@keyframes explicitDetailsCover_arrive__VtXOO{0%{opacity:0;transform:translateY(.35rem)}}.mainIdeaCover_scene__eHqhk{--sp-hair:color-mix(in srgb,var(--lx-ink) 12%,rgb(var(--home-paper)));--sp-hair-2:color-mix(in srgb,var(--lx-ink) 22%,rgb(var(--home-paper)));--sp-hover:color-mix(in srgb,var(--lx-ink) 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backwards}.vertexFormCover_work__G9KV0{display:grid;align-content:start;justify-items:start;gap:6px;min-height:8rem}.vertexFormCover_eq__nkGFd{font:var(--lesson-passage);font-family:var(--lx-math);font-variant-numeric:tabular-nums;white-space:nowrap}.vertexFormCover_eq__nkGFd i,.vertexFormCover_mathLetter__grj97{font-family:var(--lx-math);font-style:italic}.vertexFormCover_eq__nkGFd sup{font-size:.7em;line-height:0}.vertexFormCover_main__4XrGb{font-weight:400}.vertexFormCover_tone__KiLsW{transition:color var(--cover-change,.95s) var(--lesson-change-ease)}.vertexFormCover_tone__KiLsW[data-tone=x]{color:var(--lx-x)}.vertexFormCover_tone__KiLsW[data-tone=y]{color:var(--lx-subject)}.vertexFormCover_tone__KiLsW[data-tone=f]{box-shadow:inset 0 -2px 0 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12px;border:1.5px solid var(--lx-rule);border-radius:var(--lx-radius-sm);background:var(--lx-surface);transition:border-color var(--lx-med) var(--lx-ease)}.vertexFormCover_field__oSRKp[data-pressed]{border-color:var(--lx-subject)}.vertexFormCover_field__oSRKp[data-verdict=right]{border-color:var(--lx-right)}.vertexFormCover_typed__qQO4q{font:var(--lesson-passage);font-family:var(--lx-math)}.vertexFormCover_check__Q2y4I{width:18px;height:18px;color:var(--lx-right)}.vertexFormCover_graph__fzCqP{display:flex;justify-content:center;width:min(100%,22.5rem);min-height:0}.vertexFormCover_dot__OKYfO{fill:var(--lx-subject);stroke:var(--lx-surface);stroke-width:2}.vertexFormCover_coord__4ocM3{font:var(--lesson-label);font-family:var(--lx-math);font-weight:400;fill:var(--lx-ink);paint-order:stroke;stroke:var(--lx-surface);stroke-width:4px}.vertexFormCover_coord__4ocM3 tspan[data-tone=x]{fill:var(--lx-x)}.vertexFormCover_coord__4ocM3 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