.feAjeG_page,.feAjeG_quizExperience{--color-surface:var(--paint-page);--color-surface-elevated:var(--paint-surface);--color-surface-soft:var(--paint-inset);--color-text:var(--paint-text);--color-text-muted:var(--paint-sub);--color-border:var(--paint-edge);--color-border-strong:var(--paint-secondary-ink);--color-accent:var(--paint-secondary-ink);--color-accent-hover:var(--paint-secondary-ink);--color-accent-contrast:var(--paint-action-text);--color-warning:var(--paint-primary-ink);--color-success:var(--paint-secondary-ink);background:var(--paint-page);min-height:100%;color:var(--color-text);font-family:var(--font-body);position:relative;overflow-x:clip}.feAjeG_kicker,.feAjeG_quizKeys{color:var(--color-accent);letter-spacing:.04em;text-transform:uppercase;font-size:16px;font-weight:500;line-height:1.4;font-family:var(--font-body)}.feAjeG_kicker{align-items:center;gap:.55rem;display:inline-flex}.feAjeG_title,.feAjeG_quizStartTitle,.feAjeG_quizQuestionTitle{color:var(--color-text);font-family:var(--font-body);letter-spacing:0;font-weight:400}.feAjeG_title{max-width:9.2ch;font-size:var(--type-title);line-height:1.25;font-family:var(--font-body);letter-spacing:normal;margin-top:.72rem;font-weight:400}.feAjeG_summary,.feAjeG_quizStartText{color:var(--color-text-muted);line-height:1.68}.feAjeG_summary{max-width:22rem;font-size:18px;font-family:var(--font-body);margin-top:.9rem;font-weight:400;line-height:1.6}.feAjeG_actionIcon{width:1rem;height:1rem}.feAjeG_quizBrandMark,.feAjeG_startIcon{border:1px solid color-mix(in oklab, var(--color-border) 72%, var(--color-warning) 28%);background:color-mix(in oklab, var(--color-surface-soft) 82%, var(--color-warning) 7%);color:var(--color-accent);border-radius:999px;flex:none;justify-content:center;align-items:center;display:inline-flex}.feAjeG_quizExperience{isolation:isolate;min-height:calc(100vh - 5rem);padding-bottom:6.8rem}.feAjeG_quizStart{z-index:1;text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:calc(100vh - 9rem);padding:clamp(2rem,6vw,4rem) 1.25rem;display:flex;position:relative}.feAjeG_startIcon{width:3.6rem;height:3.6rem;color:var(--color-warning);margin-bottom:1.2rem}.feAjeG_quizStartTitle{max-width:11ch;font-size:32px;line-height:1.25;font-family:var(--font-body);letter-spacing:normal;margin-top:.55rem;font-weight:400}.feAjeG_quizStartText{max-width:34rem;font-size:18px;font-family:var(--font-body);margin-top:1.1rem;font-weight:400;line-height:1.6}.feAjeG_quizBeginButton{border:1px 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clamp(1rem,3vw,2rem);display:grid;top:0}.feAjeG_quizBrand{align-items:center;gap:.7rem;display:flex}.feAjeG_quizBrandMark{width:2.65rem;height:2.65rem;color:var(--color-warning)}.feAjeG_quizBrand h1{color:var(--color-text);font-family:var(--font-body);letter-spacing:normal;font-size:24px;font-weight:400;line-height:1.25}.feAjeG_quizBrand p,.feAjeG_quizProgress div:first-child,.feAjeG_timerToggle,.feAjeG_questionTimer{color:var(--color-text-muted);letter-spacing:normal;text-transform:none;font-size:16px;font-weight:400;font-family:var(--font-body);line-height:1.4}.feAjeG_quizProgress{gap:.4rem;display:grid}.feAjeG_quizProgress div:first-child{justify-content:space-between;align-items:center;gap:.75rem;display:flex}.feAjeG_quizProgressJump{border:1px solid var(--color-border);background:var(--color-surface);min-height:2.1rem;color:var(--color-text);cursor:pointer;font-family:var(--font-body);--nums-spacing:tabular-nums;letter-spacing:normal;text-transform:none;border-radius:999px;align-items:center;gap:.3rem;padding:0 .7rem;font-size:16px;font-weight:400;line-height:1.4;transition:border-color .14s,background-color .14s,box-shadow .14s;display:inline-flex}.feAjeG_quizProgressJump:hover{border-color:var(--color-accent);background:var(--color-surface-soft)}.feAjeG_quizProgressJump:focus-visible{box-shadow:0 0 0 3px color-mix(in oklab, var(--color-accent) 26%, transparent);outline:none}.feAjeG_quizProgressJumpCaret{color:var(--color-text-muted)}@media (prefers-reduced-motion:reduce){.feAjeG_quizProgressJump{transition:none}}.feAjeG_quizProgressTrack{background:var(--color-surface-soft);border-radius:999px;height:.28rem;overflow:hidden}.feAjeG_quizProgressFill{border-radius:inherit;background:linear-gradient(90deg, var(--color-accent), var(--color-warning));height:100%}.feAjeG_timerToggle{border:1px solid var(--color-border);background:var(--color-surface);min-height:2.2rem;color:var(--color-text-muted);cursor:pointer;border-radius:999px;justify-self:end;align-items:center;gap:.45rem;padding:0 .75rem;display:inline-flex}.feAjeG_timerToggle[data-active=true]{border-color:color-mix(in oklab, var(--color-warning) 64%, var(--color-border));background:color-mix(in oklab, var(--color-warning) 12%, var(--color-surface));color:color-mix(in oklab, var(--color-warning) 68%, var(--color-text))}.feAjeG_quizMain{z-index:1;justify-content:center;align-items:center;min-height:calc(100vh - 17rem);padding:clamp(2rem,5vw,4rem) 1.25rem;display:flex;position:relative}.feAjeG_quizQuestionCard{width:min(100%,44rem);box-shadow:none;text-align:center;background:0 0;border:0}.feAjeG_questionTimer{justify-content:center;align-items:center;gap:.45rem;min-height:1.5rem;margin-bottom:1.15rem;display:flex}.feAjeG_questionTimer strong,.feAjeG_timerUrgent{color:var(--color-error)}.feAjeG_quizQuestionTitle{max-width:34rem;font-size:var(--type-question);line-height:var(--type-question-leading);font-family:var(--font-body);font-weight:var(--type-question-weight);letter-spacing:normal;text-wrap:balance;margin-inline:auto}.feAjeG_quizAnswerStack{gap:.9rem;margin-top:2rem;display:grid}.feAjeG_timeTrialAnswer{border:1px solid var(--color-border);background:var(--color-surface-elevated);width:100%;color:var(--color-text);cursor:pointer;text-align:left;transition:transform var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), background-color var(--duration-fast) var(--ease-standard), opacity var(--duration-fast) var(--ease-standard);border-radius:8px;grid-template-columns:2.45rem minmax(0,1fr);align-items:center;gap:.9rem;padding:1rem;display:grid}.feAjeG_timeTrialAnswer:hover:not(:disabled):not([aria-disabled=true]){border-color:color-mix(in oklab, var(--color-warning) 54%, var(--color-border));background:color-mix(in oklab, var(--color-warning) 7%, var(--color-surface-elevated));transform:translateY(-1px)}.feAjeG_timeTrialAnswer:disabled,.feAjeG_timeTrialAnswer[aria-disabled=true]{cursor:default}.feAjeG_timeTrialAnswer span{border:1px solid var(--color-border);background:var(--color-surface-soft);width:2.1rem;height:2.1rem;color:var(--color-text-muted);font-family:var(--font-body);letter-spacing:normal;border-radius:6px;justify-content:center;align-items:center;font-size:17px;font-weight:400;line-height:1.4;display:inline-flex}.feAjeG_timeTrialAnswer strong{font-size:18px;font-weight:400;line-height:1.6;font-family:var(--font-body)}.feAjeG_timeTrialAnswer[data-state=correct]{border-color:color-mix(in oklab, var(--color-success) 78%, var(--color-border));background:color-mix(in oklab, var(--color-success) 15%, var(--color-surface-elevated));color:var(--color-text)}.feAjeG_timeTrialAnswer[data-state=correct] span{border-color:var(--color-success);background:var(--color-success);color:var(--color-accent-contrast)}.feAjeG_timeTrialAnswer[data-state=wrong]{border-color:color-mix(in oklab, var(--color-error) 74%, var(--color-border));background:color-mix(in oklab, var(--color-error) 10%, var(--color-surface-elevated));opacity:.72}.feAjeG_timeTrialAnswer[data-state=wrong] span{border-color:var(--color-error);background:var(--color-error);color:var(--color-accent-contrast)}.feAjeG_timeoutMessage{color:var(--color-error);justify-content:center;align-items:center;gap:.45rem;margin-top:1rem;font-weight:600;display:flex}.feAjeG_explanationWrap{justify-items:center;gap:.65rem;margin-top:1rem;display:grid}.feAjeG_explanationWrap button{color:var(--color-accent);cursor:pointer;font:500 18px/1.4 var(--font-body);font-size:var(--type-small);letter-spacing:normal;text-transform:none;background:0 0;border:0;align-items:center;gap:.45rem;font-weight:600;display:inline-flex}.feAjeG_explanationWrap p{max-width:36rem;color:var(--color-text-muted);line-height:1.6;font-family:var(--font-body);font-size:18px;font-weight:400}.feAjeG_quizFooter{border-top:1px solid var(--color-border);padding:.8rem 1rem;position:fixed;bottom:0;left:0;right:0}.feAjeG_quizFooterInner{justify-content:space-between;align-items:center;gap:1rem;max-width:54rem;margin:0 auto;display:flex}.feAjeG_quizNavButton{width:2.6rem;height:2.6rem;color:var(--color-text-muted);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;display:inline-flex}.feAjeG_quizNavButton:disabled{cursor:default;opacity:.32}.feAjeG_quizFooterCenter{justify-items:center;gap:.4rem;display:grid}.feAjeG_pauseButton{border:1px solid var(--color-border);background:var(--color-surface);min-height:2.35rem;color:var(--color-text);cursor:pointer;font:500 18px/1.4 var(--font-body);font-size:var(--type-small);border-radius:999px;align-items:center;gap:.42rem;padding:0 .85rem;font-weight:600;display:inline-flex}.feAjeG_autoAdvanceToggle{min-height:2rem;color:var(--color-text-muted);cursor:pointer;font-size:16px;font-weight:400;font-family:var(--font-body);letter-spacing:normal;align-items:center;gap:.45rem;line-height:1.4;display:inline-flex}.feAjeG_autoAdvanceToggle input{width:1rem;height:1rem;accent-color:var(--color-accent);cursor:pointer;margin:0}.feAjeG_quizKeys{color:var(--color-text-muted);letter-spacing:.08em}.feAjeG_quizKeys kbd{border:1px solid var(--color-border);background:var(--color-surface-soft);color:var(--color-text);border-radius:4px;padding:.1rem .28rem}.feAjeG_quizFooterLinks{justify-content:center;align-items:center;gap:.85rem;display:flex}.feAjeG_quizFooterLinks a,.feAjeG_quizFooterLinks button{color:var(--color-accent);cursor:pointer;font:400 18px/1.4 var(--font-body);font-size:var(--type-small);text-underline-offset:.18rem;background:0 0;border:0;font-weight:600;text-decoration:underline}@media (max-width:900px){.feAjeG_title{max-width:10.5ch;font-size:var(--type-title);line-height:1.25;font-family:var(--font-body);letter-spacing:normal;font-weight:400}.feAjeG_quizHeader{grid-template-columns:1fr;position:relative}.feAjeG_timerToggle{justify-self:start}.feAjeG_quizKeys{display:none}.feAjeG_learningAnswerGrid{grid-template-columns:1fr}}.feAjeG_learningStem{border-left:3px solid color-mix(in oklab, var(--color-warning) 56%, var(--color-border));max-width:40rem;color:var(--color-text);text-align:left;font-size:18px;line-height:1.6;font-family:var(--font-body);margin:0 auto 1.8rem;padding:.6rem 0 .6rem 1.25rem;font-weight:400}.feAjeG_stemTermHighlight{color:var(--color-warning);font-weight:600}.dark .feAjeG_stemTermHighlight{color:color-mix(in oklab, var(--color-warning) 88%, white 12%)}.feAjeG_learningQuestion{max-width:40rem;color:var(--color-text);font-size:var(--type-question);font-weight:var(--type-question-weight);line-height:var(--type-question-leading);text-align:left;font-family:var(--font-body);letter-spacing:normal;text-wrap:pretty;margin:0 auto 1.8rem}.feAjeG_learningScenario{color:var(--color-text);text-wrap:pretty;margin-bottom:.65rem;font-size:18px;font-weight:400;line-height:1.6;display:block}.feAjeG_learningAnswerGrid{grid-template-columns:1fr 1fr;gap:.75rem;max-width:40rem;margin:0 auto;display:grid}.feAjeG_learningAnswer{border:1px solid var(--color-border);background:var(--color-surface-elevated);width:100%;color:var(--color-text);cursor:pointer;text-align:left;transition:transform var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), background-color var(--duration-fast) var(--ease-standard), opacity var(--duration-fast) var(--ease-standard);border-radius:8px;grid-template-columns:2.1rem minmax(0,1fr);align-items:start;gap:.75rem;padding:.9rem;display:grid}.feAjeG_learningAnswer:hover:not([aria-disabled=true]){border-color:color-mix(in oklab, var(--color-warning) 54%, var(--color-border));background:color-mix(in oklab, var(--color-warning) 7%, var(--color-surface-elevated));transform:translateY(-1px)}.feAjeG_learningAnswer[aria-disabled=true]{cursor:default}.feAjeG_learningAnswer span{border:1px solid var(--color-border);background:var(--color-surface-soft);width:2.1rem;height:2.1rem;color:var(--color-text-muted);font-family:var(--font-body);letter-spacing:normal;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;font-size:17px;font-weight:400;line-height:1.4;display:inline-flex}.feAjeG_learningAnswer strong{font-size:18px;font-weight:400;line-height:1.6;font-family:var(--font-body)}.feAjeG_learningAnswer[data-state=correct]{border-color:color-mix(in oklab, var(--color-success) 78%, var(--color-border));background:color-mix(in oklab, var(--color-success) 15%, var(--color-surface-elevated));color:var(--color-text)}.feAjeG_learningAnswer[data-state=correct] span{border-color:var(--color-success);background:var(--color-success);color:var(--color-accent-contrast)}.feAjeG_learningAnswer[data-state=wrong]{border-color:color-mix(in oklab, var(--color-error) 74%, var(--color-border));background:color-mix(in oklab, var(--color-error) 10%, var(--color-surface-elevated));opacity:.72}.feAjeG_learningAnswer[data-state=wrong] span{border-color:var(--color-error);background:var(--color-error);color:var(--color-accent-contrast)}.feAjeG_learningAnswer[data-state=idle][aria-disabled=true]{opacity:.42}.feAjeG_learningExplanation{background:color-mix(in oklab, var(--color-surface-soft) 60%, var(--color-surface-elevated));text-align:left;border-radius:8px;max-width:40rem;margin:1.4rem auto 0;padding:1.1rem 1.25rem}.feAjeG_learningExplanation p{color:var(--color-text-muted);font-size:18px;line-height:1.6;font-family:var(--font-body);font-weight:400}.feAjeG_setSelector{flex-direction:column;align-items:center;gap:.6rem;margin-top:1.4rem;display:flex}.feAjeG_setSelectorLabel{color:var(--color-text-muted);font-size:1rem;font-weight:600}.feAjeG_setSelectorOptions{flex-wrap:wrap;justify-content:center;gap:.55rem;max-width:40rem;display:flex}.feAjeG_setChip{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);transition:border-color var(--duration-fast) var(--ease-standard), background-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);font-size:18px;font-weight:500;line-height:1.4;font-family:var(--font-body);letter-spacing:normal;border-radius:999px;align-items:center;padding:.5rem 1.05rem;text-decoration:none;display:inline-flex}.feAjeG_setChip:hover{border-color:var(--color-border-strong);background:var(--color-surface-soft)}.feAjeG_setChip[data-active=true]{border-color:color-mix(in oklab, var(--color-accent) 68%, var(--color-border));background:var(--color-accent);color:var(--color-accent-contrast)}.feAjeG_setChip[data-active=true]:hover{background:var(--color-accent-hover)}.feAjeG_page{padding:clamp(1.5rem,3vw,2.5rem) 0 4rem}.feAjeG_page .feAjeG_kicker,.feAjeG_quizExperience .feAjeG_kicker{color:var(--paint-primary-ink);letter-spacing:.04em;font-weight:500}.feAjeG_quizExperience{padding-bottom:0}.feAjeG_quizExperience .feAjeG_quizStart{max-width:54rem;min-height:calc(100svh - 5rem);margin:0 auto;padding:clamp(2rem,6vw,4rem) 1.5rem}.feAjeG_quizExperience .feAjeG_startIcon{width:3.5rem;height:3.5rem;color:var(--paint-primary-ink);background:var(--paint-surface);border:1px solid var(--paint-edge);box-shadow:none;margin-bottom:1rem}.feAjeG_quizExperience .feAjeG_quizStartTitle{letter-spacing:normal;max-width:18ch;font-size:32px;line-height:1.25;font-family:var(--font-body);font-weight:400}.feAjeG_quizExperience .feAjeG_quizStartText{max-width:36rem;color:var(--paint-sub);font-size:18px;line-height:1.6;font-family:var(--font-body);font-weight:400}.feAjeG_quizExperience .feAjeG_setSelector{gap:.6rem;margin-top:1.65rem}.feAjeG_quizExperience .feAjeG_setChip{border-radius:12px;min-height:2.75rem;padding:.6rem .85rem;font-weight:500}.feAjeG_quizExperience .feAjeG_setChip[data-active=true]{background:var(--paint-inset);color:var(--paint-secondary-ink);border-color:var(--paint-secondary-ink);box-shadow:inset 0 -2px var(--paint-secondary-ink)}.feAjeG_quizExperience .feAjeG_quizBeginButton{background:var(--paint-action);min-width:13rem;min-height:3.3rem;color:var(--paint-action-text);border:1px solid var(--paint-action);box-shadow:none;font-size:var(--type-control);border-radius:12px;font-weight:600;transition:transform .16s,filter .16s}.feAjeG_quizExperience .feAjeG_quizBeginButton:hover{filter:brightness(1.08);transform:translateY(-2px)}.feAjeG_quizExperience .feAjeG_quizBackLink{font-weight:500;font-size:var(--type-control);min-height:2.4rem;margin-top:.5rem}.feAjeG_quizExperience .feAjeG_quizHeader{background:var(--paint-page);gap:1.25rem;top:4rem}.feAjeG_quizExperience .feAjeG_quizBrandMark{background:var(--paint-surface);border:1px solid var(--paint-edge);color:var(--paint-primary-ink)}.feAjeG_quizExperience .feAjeG_quizBrand p{letter-spacing:normal;text-transform:none;font-size:16px;font-weight:400;font-family:var(--font-body);line-height:1.4}.feAjeG_quizExperience .feAjeG_quizProgress div:first-child{letter-spacing:normal;font-size:16px;font-weight:400;font-family:var(--font-body);text-transform:none;line-height:1.4}.feAjeG_quizExperience .feAjeG_quizProgressFill{background:var(--paint-secondary-ink)}.feAjeG_quizExperience .feAjeG_quizMain{min-height:calc(100svh - 21rem);padding:clamp(1.5rem,4vw,3rem) 1.25rem;scroll-margin-top:9rem}.feAjeG_quizExperience .feAjeG_learningStem{border-color:var(--paint-primary-ink);font-size:18px;line-height:1.6;font-family:var(--font-body);margin-bottom:1.3rem;font-weight:400}.feAjeG_quizExperience .feAjeG_learningQuestion{margin-bottom:1.25rem}.feAjeG_quizExperience .feAjeG_stemTermHighlight{color:var(--paint-primary-ink);font-weight:600}.feAjeG_quizExperience .feAjeG_learningAnswer,.feAjeG_quizExperience .feAjeG_timeTrialAnswer{box-shadow:none;border-radius:14px}.feAjeG_quizExperience .feAjeG_learningAnswer span,.feAjeG_quizExperience .feAjeG_timeTrialAnswer span{font-family:var(--font-body);letter-spacing:normal;border-radius:8px;font-size:17px;font-weight:400;line-height:1.4}.feAjeG_quizExperience .feAjeG_learningAnswer[data-state=idle][aria-disabled=true]{opacity:.7}.feAjeG_quizExperience .feAjeG_learningAnswer[data-state=wrong],.feAjeG_quizExperience .feAjeG_timeTrialAnswer[data-state=wrong]{opacity:1}.feAjeG_quizExperience 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