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.etude-prereq-rail__chips{grid-area:2/1/auto/-1}.etude-wizard__brand{grid-area:1/1;align-items:center;gap:9px;min-width:0;display:flex}.etude-wizard__brand-mark{border-radius:var(--etude-radius-full);background-color:var(--etude-color-primary-tint);width:24px;height:24px;color:var(--etude-color-primary-deep);font-family:var(--etude-font-display);font-size:var(--etude-type-body-size);flex-shrink:0;justify-content:center;align-items:center;font-weight:600;display:inline-flex}.etude-wizard__brand-label{font-size:var(--etude-type-caption-l-size);color:var(--etude-color-ink);text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.etude-wizard__body{padding:34px var(--etude-wizard-pad) 40px;flex-direction:column;flex:1;display:flex}.etude-wizard__step{flex:1;width:100%;max-width:560px;margin:0 auto}.etude-wizard__step-title{font-family:var(--etude-font-display);letter-spacing:var(--etude-type-display-l-letter-spacing);margin:0 0 var(--etude-space-s);font-size:27px;font-weight:600}.etude-wizard__step-hint{font-size:var(--etude-type-body-s-size);line-height:var(--etude-type-body-xs-line-height);color:var(--etude-color-ink-secondary);margin:0 0 20px}.etude-wizard__wordmark{font-family:var(--etude-font-display);letter-spacing:var(--etude-type-display-xl-letter-spacing);text-align:center;margin:0 0 18px;font-size:40px;font-weight:600}.etude-wizard__wordmark-subtitle{font-family:var(--etude-font-display);letter-spacing:-.005em;text-align:center;margin:0 0 30px;font-size:22px;font-weight:400;line-height:1.4}.etude-wizard__step[data-step-key=identity]{text-align:center;max-width:480px;padding-top:var(--etude-space-m)}.etude-wizard__step[data-step-key=identity] .etude-wizard__field-label{text-align:left}.etude-wizard__step[data-step-key=identity] .etude-form-input,.etude-wizard__step[data-step-key=identity] .etude-form-select{min-height:46px;padding:11px 14px;font-size:15px}.etude-wizard__step[data-step-key=identity] .etude-wizard__next{width:100%;min-height:48px;padding:var(--etude-space-m) 20px;margin-top:20px;font-size:14.5px;display:block}.etude-wizard__step[data-step-key=identity] .etude-wizard__field+.etude-wizard__field{margin-top:18px}.etude-wizard__arrival{text-align:left;padding:14px var(--etude-space-l);border:1px solid #0000;border-radius:10px;align-items:flex-start;gap:11px;margin-bottom:22px;display:flex}.etude-wizard__arrival--syllabus{background-color:var(--etude-color-primary-tint);border-color:var(--etude-color-callout-ex-border-soft);color:var(--etude-color-primary-deep)}.etude-wizard__arrival--returning{background-color:var(--etude-color-secondary-tint);border-color:var(--etude-color-callout-key-border-soft);border-left:3px solid var(--etude-color-callout-key-border);color:var(--etude-color-secondary-deep)}.etude-wizard__arrival-icon{flex-shrink:0;margin-top:2px}.etude-wizard__arrival-text{flex:1}.etude-wizard__arrival-title{font-size:var(--etude-type-body-size);color:var(--etude-color-ink);font-weight:600;display:block}.etude-wizard__arrival-note{font-size:var(--etude-type-caption-l-size);line-height:var(--etude-type-body-line-height);color:var(--etude-color-ink-label);margin-top:2px;display:block}.etude-wizard__term-read{text-align:left;background-color:var(--etude-color-surface);border:1px solid var(--etude-color-hairline);border-radius:var(--etude-radius-l);padding:var(--etude-space-m) 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.etude-test-countdown-card,.etude-test-countdown-card *{box-sizing:border-box}.etude-test-countdown-card{font-family:var(--etude-font-ui);color:var(--etude-color-ink);background-color:var(--etude-color-surface);border:1px solid var(--etude-color-hairline);border-radius:var(--etude-radius-xl);box-shadow:var(--etude-elevation-card);container:etude-test-countdown/inline-size}.etude-test-countdown-card :focus-visible{outline:2px solid var(--etude-color-focus-ring);outline-offset:2px}.etude-test-countdown-card__panel--narrow{padding:14px;display:block}.etude-test-countdown-card__panel--standard,.etude-test-countdown-card__panel--wide{display:none}@container etude-test-countdown (min-width:400px){.etude-test-countdown-card__panel--narrow{display:none}.etude-test-countdown-card__panel--standard{padding:var(--etude-space-l);display:block}.etude-test-countdown-card__panel--wide{display:none}}@container etude-test-countdown (min-width:560px){.etude-test-countdown-card__panel--standard{display:none}.etude-test-countdown-card__panel--wide{padding:var(--etude-space-l) 18px;display:block}}.etude-test-countdown-card__chip{font-family:var(--etude-type-label-chip-family);font-size:var(--etude-type-label-chip-size);font-weight:var(--etude-type-label-chip-weight);letter-spacing:.06em;text-transform:var(--etude-type-label-chip-transform);background-color:var(--etude-color-paper-warm);border:1px solid var(--etude-color-hairline-strong);color:var(--etude-color-ink-secondary);border-radius:var(--etude-radius-s);flex-shrink:0;padding:2px 7px}.etude-test-countdown-card__headline{font-size:var(--etude-type-body-s-size);font-weight:600}.etude-test-countdown-card__focus{font-size:var(--etude-type-caption-l-size);color:var(--etude-color-ink-secondary);margin-top:var(--etude-space-xs)}.etude-test-countdown-card__badge-number{font-family:var(--etude-font-display);font-weight:600;line-height:var(--etude-type-label-chip-line-height)}.etude-test-countdown-card__badge-unit{font-family:var(--etude-font-mono);font-size:var(--etude-type-label-chip-size);letter-spacing:var(--etude-type-label-chip-letter-spacing);text-transform:var(--etude-type-label-chip-transform);color:var(--etude-color-ink-label)}.etude-test-countdown-card__badge--standalone{flex-direction:column;flex-shrink:0;align-items:center;width:64px;display:flex}.etude-test-countdown-card__badge--standalone .etude-test-countdown-card__badge-number{font-size:32px}.etude-test-countdown-card__badge--standalone .etude-test-countdown-card__badge-unit{margin-top:2px}.etude-test-countdown-card__badge--inline{align-items:baseline;gap:var(--etude-space-xs);flex-shrink:0;margin-left:auto;display:inline-flex}.etude-test-countdown-card__badge--inline .etude-test-countdown-card__badge-number{font-size:22px}.etude-test-countdown-card__head-narrow{align-items:center;gap:var(--etude-space-s);display:flex}.etude-test-countdown-card__panel--narrow .etude-test-countdown-card__headline{font-size:var(--etude-type-mono-size);margin-top:var(--etude-space-s)}.etude-test-countdown-card__panel--narrow .etude-test-countdown-card__focus{font-size:var(--etude-type-caption-size);margin-top:3px}.etude-test-countdown-card__row{gap:var(--etude-space-l);align-items:center;display:flex}.etude-test-countdown-card__content{flex:1;min-width:0}.etude-test-countdown-card__head{align-items:center;gap:var(--etude-space-s);display:flex}.etude-test-countdown-card__cta{min-height:40px;padding:var(--etude-space-s) 14px;border-radius:var(--etude-radius-m);font-family:inherit;font-size:var(--etude-type-caption-l-size);cursor:pointer;transition:background-color var(--etude-motion-duration-fast) var(--etude-motion-easing-standard);font-weight:600}.etude-test-countdown-card__cta.etude-btn--primary{padding:var(--etude-space-s) var(--etude-space-l)}.etude-test-countdown-card__cta.etude-btn--ghost-primary{border:1px solid var(--etude-derived-correct-banner-border)}.etude-test-countdown-card__panel--narrow .etude-test-countdown-card__cta{margin-top:10px}.etude-test-countdown-card__cta--full{width:100%;min-height:44px;padding:10px 14px}.etude-test-countdown-card__panel--standard .etude-test-countdown-card__cta{margin-top:10px}.etude-test-countdown-card__panel--wide .etude-test-countdown-card__cta{min-height:44px;padding:10px var(--etude-space-l);flex-shrink:0}
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.etude-achievement-card,.etude-achievement-card *{box-sizing:border-box}.etude-achievement-card{font-family:var(--etude-font-ui);color:var(--etude-color-ink);background-color:var(--etude-color-surface);border:1px solid var(--etude-color-hairline);border-radius:var(--etude-radius-xl);box-shadow:var(--etude-elevation-card)}.etude-achievement-card :focus-visible{outline:2px solid var(--etude-color-focus-ring);outline-offset:2px}.etude-achievement-card[data-achievement-kind=weak-spot-cleared]{container:etude-achievement/inline-size}.etude-achievement-card[data-achievement-kind=weak-spot-cleared] .etude-achievement-card__panel--narrow{gap:var(--etude-space-m);align-items:flex-start;padding:14px;display:flex}.etude-achievement-card[data-achievement-kind=weak-spot-cleared] .etude-achievement-card__panel--standard,.etude-achievement-card[data-achievement-kind=weak-spot-cleared] .etude-achievement-card__panel--wide{display:none}@container etude-achievement (min-width:400px){.etude-achievement-card[data-achievement-kind=weak-spot-cleared] .etude-achievement-card__panel--narrow{display:none}.etude-achievement-card[data-achievement-kind=weak-spot-cleared] .etude-achievement-card__panel--standard{gap:var(--etude-space-m);padding:var(--etude-space-l);align-items:center;display:flex}}@container etude-achievement (min-width:560px){.etude-achievement-card[data-achievement-kind=weak-spot-cleared] .etude-achievement-card__panel--standard{display:none}.etude-achievement-card[data-achievement-kind=weak-spot-cleared] .etude-achievement-card__panel--wide{gap:var(--etude-space-m);padding:var(--etude-space-l) 18px;align-items:center;display:flex}}.etude-achievement-card[data-achievement-kind=streak] .etude-achievement-card__panel--standard{gap:var(--etude-space-m);padding:var(--etude-space-l);align-items:center;display:flex}.etude-achievement-card__badge{border-radius:var(--etude-radius-full);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.etude-achievement-card__badge--check{background-color:var(--etude-color-primary-tint);border:1px solid var(--etude-derived-correct-banner-border);width:28px;height:28px;color:var(--etude-color-primary-deep)}.etude-achievement-card__badge--check svg{stroke:currentColor}@container etude-achievement (min-width:400px){.etude-achievement-card__badge--check{width:32px;height:32px}}.etude-achievement-card__badge--streak{background-color:var(--etude-color-secondary-tint);border:1px solid var(--etude-color-secondary);width:32px;height:32px;color:var(--etude-color-secondary-deep);font-family:var(--etude-font-display);font-size:var(--etude-type-mono-size);font-weight:600}.etude-achievement-card__text{flex:1;min-width:0}.etude-achievement-card__headline{font-size:var(--etude-type-mono-size);font-weight:600}@container etude-achievement (min-width:400px){.etude-achievement-card__headline{font-size:13.5px}}.etude-achievement-card[data-achievement-kind=streak] .etude-achievement-card__headline{font-size:var(--etude-type-body-s-size)}.etude-achievement-card__subline{font-size:var(--etude-type-caption-size);color:var(--etude-color-ink-secondary);margin-top:2px}@container etude-achievement (min-width:400px){.etude-achievement-card__subline{font-size:12.5px}}.etude-achievement-card[data-achievement-kind=streak] .etude-achievement-card__subline{font-size:var(--etude-type-caption-l-size)}.etude-achievement-card__cta{min-height:40px;padding:var(--etude-space-s) var(--etude-space-m);border-radius:var(--etude-radius-m);font-family:inherit;font-size:var(--etude-type-caption-size);cursor:pointer;flex-shrink:0;font-weight:600}
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.etude-locked{gap:var(--etude-space-s);border:1px solid var(--etude-color-hairline);border-radius:var(--etude-radius-l);background:var(--etude-color-paper);flex-direction:column;display:flex}.etude-locked--block{padding:20px 18px}.etude-locked--door{padding:28px var(--etude-space-xl);background:var(--etude-color-surface);align-items:flex-start}.etude-locked__chip{font-size:var(--etude-type-micro-l-size);letter-spacing:.06em;text-transform:uppercase;color:var(--etude-color-ink-secondary);align-items:center;gap:5px;font-weight:600;display:inline-flex}.etude-locked__icon{flex-shrink:0}.etude-locked__title{font-family:var(--etude-font-display);font-size:var(--etude-type-body-size);color:var(--etude-color-ink);margin:0;font-weight:600}.etude-locked__body{max-width:58ch;font-size:var(--etude-type-caption-size);line-height:var(--etude-type-caption-line-height);color:var(--etude-color-ink-label);margin:0}.etude-locked__action{min-height:40px;margin-top:var(--etude-space-s);padding:var(--etude-space-s) var(--etude-space-l);border-radius:var(--etude-radius-m);font-size:var(--etude-type-caption-size);color:var(--etude-color-primary-deep);background:0 0;border:none;align-items:center;font-weight:600;text-decoration:none;transition:background .15s cubic-bezier(.2,0,0,1);display:inline-flex}.etude-locked__action:hover{background:var(--etude-color-primary-tint)}.etude-locked__action:focus-visible{outline:2px solid var(--etude-color-focus-ring);outline-offset:2px}
.etude-summary,.etude-summary *{box-sizing:border-box}.etude-summary{font-family:var(--etude-font-ui);color:var(--etude-color-ink);flex:1;min-width:0;padding:0 40px;overflow-y:auto}.etude-summary__col{flex-direction:column;gap:22px;max-width:620px;margin:0 auto;padding:36px 0 44px;display:flex}.etude-summary__eyebrow{font-family:var(--etude-font-mono);font-size:var(--etude-type-mono-s-size);letter-spacing:.1em;text-transform:uppercase;color:var(--etude-color-ink-secondary);margin-bottom:14px}.etude-summary__headline{align-items:flex-start;gap:var(--etude-space-l);display:flex}.etude-summary__badge{border-radius:var(--etude-radius-full);background:var(--etude-color-primary-tint);border:1.5px dashed var(--etude-color-primary-soft);width:52px;height:52px;color:var(--etude-color-primary-deep);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.etude-summary__headline-text{min-width:0}.etude-summary__heading{font-family:var(--etude-font-display);letter-spacing:var(--etude-type-display-l-letter-spacing);font-size:27px;font-weight:600;line-height:var(--etude-type-display-xl-line-height);margin:0 0 6px}.etude-summary__subline{font-size:var(--etude-type-body-xs-size);line-height:var(--etude-type-body-line-height);color:var(--etude-color-ink-secondary)}.etude-summary__stats{grid-template-columns:1fr 1fr 1fr;gap:10px;display:grid}.etude-summary__stat{background:var(--etude-color-surface);border:1.5px dashed var(--etude-color-hairline-strong);border-radius:var(--etude-radius-xl);padding:14px var(--etude-space-l)}.etude-summary__stat-label{font-family:var(--etude-font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--etude-color-ink-secondary);margin-bottom:6px;font-size:9.5px}.etude-summary__stat-value{font-family:var(--etude-font-display);font-size:var(--etude-type-display-l-size);font-weight:600;line-height:var(--etude-type-label-chip-line-height)}.etude-summary__stat-caption{font-size:var(--etude-type-micro-l-size);color:var(--etude-color-ink-secondary);margin-top:5px}.etude-summary__shaky{background:var(--etude-color-callout-key-bg);border:1.5px dashed var(--etude-color-secondary-soft);border-radius:var(--etude-radius-xl);padding:20px 22px}.etude-summary__shaky-head{justify-content:space-between;align-items:baseline;gap:var(--etude-space-m);margin-bottom:var(--etude-space-xs);flex-wrap:wrap;display:flex}.etude-summary__shaky-title{font-family:var(--etude-font-display);letter-spacing:var(--etude-type-display-l-letter-spacing);margin:0;font-size:19px;font-weight:600}.etude-summary__shaky-count{font-family:var(--etude-font-mono);font-size:var(--etude-type-mono-label-size);letter-spacing:var(--etude-type-label-chip-letter-spacing);text-transform:uppercase;color:var(--etude-color-callout-key-label)}.etude-summary__shaky-desc{font-size:var(--etude-type-caption-l-size);line-height:var(--etude-type-body-line-height);color:var(--etude-color-ink-secondary);margin-bottom:14px}.etude-summary__shaky-rows{gap:var(--etude-space-s);flex-direction:column;display:flex}.etude-summary__shaky-row{background:var(--etude-color-surface);border:1px solid var(--etude-color-callout-key-border-soft);border-radius:var(--etude-radius-l);flex-wrap:wrap;align-items:center;gap:10px;padding:11px 14px;display:flex}.etude-summary__shaky-name{font-size:var(--etude-type-body-s-size);flex:1;min-width:0;font-weight:600}.etude-summary__shaky-why{font-size:var(--etude-type-label-chip-size);letter-spacing:.05em;text-transform:uppercase;background:var(--etude-color-callout-key-bg);border:1px solid var(--etude-color-callout-key-border-soft);color:var(--etude-color-callout-key-label);padding:2px var(--etude-space-s);border-radius:var(--etude-radius-full);white-space:nowrap;font-weight:700}.etude-summary__shaky-where{font-family:var(--etude-font-mono);font-size:var(--etude-type-mono-s-size);color:var(--etude-color-ink-secondary);white-space:nowrap}.etude-summary__clean{background:var(--etude-color-primary-tint);border:1.5px dashed var(--etude-color-primary-soft);border-radius:var(--etude-radius-xl);padding:18px 22px}.etude-summary__clean-title{font-family:var(--etude-font-display);margin-bottom:var(--etude-space-xs);color:var(--etude-color-primary-deep);font-size:17px;font-weight:600}.etude-summary__clean-body{font-size:var(--etude-type-caption-l-size);line-height:var(--etude-type-body-line-height);color:var(--etude-color-ink-label)}.etude-summary__rule-head{align-items:baseline;gap:10px;margin-bottom:10px;display:flex}.etude-summary__rule-title{font-family:var(--etude-font-display);font-size:var(--etude-type-title-size);letter-spacing:var(--etude-type-display-l-letter-spacing);color:var(--etude-color-ink-label);margin:0;font-weight:600}.etude-summary__rule{border-bottom:1px dashed var(--etude-color-hairline-strong);flex:1}.etude-summary__chips{gap:var(--etude-space-s);flex-wrap:wrap;display:flex}.etude-summary__chip{font-size:var(--etude-type-caption-l-size);color:var(--etude-color-primary-deep);background:var(--etude-color-surface);border:1px solid var(--etude-color-callout-ex-border-soft);border-radius:var(--etude-radius-full);align-items:center;gap:7px;padding:6px 13px;font-weight:500;display:inline-flex}.etude-summary__chip-check{color:var(--etude-color-primary);flex-shrink:0}.etude-summary__self-desc{font-size:var(--etude-type-caption-l-size);line-height:var(--etude-type-body-line-height);color:var(--etude-color-ink-secondary);margin-bottom:10px}.etude-summary__self-chip{align-items:baseline;gap:var(--etude-space-xs);font-size:var(--etude-type-caption-l-size);color:var(--etude-color-ink-label);background:var(--etude-color-paper-sunk);border:1px dashed var(--etude-color-hairline-strong);border-radius:var(--etude-radius-full);padding:6px 13px;font-weight:500;display:inline-flex}.etude-summary__self-tag{font-family:var(--etude-font-mono);font-size:var(--etude-type-mono-s-size);letter-spacing:.05em;color:var(--etude-color-ink-secondary);white-space:nowrap}.etude-summary__section-rows,.etude-summary__weak-rows{gap:var(--etude-space-s);flex-direction:column;display:flex}.etude-summary__section-row,.etude-summary__weak-row{background:var(--etude-color-surface);border:1px solid var(--etude-color-hairline);border-radius:var(--etude-radius-l);flex-wrap:wrap;align-items:center;gap:10px;padding:11px 14px;display:flex}.etude-summary__section-row[data-shaky=true]{border-color:var(--etude-color-callout-key-border-soft)}.etude-summary__section-title,.etude-summary__weak-name{font-size:var(--etude-type-body-s-size);flex:1;min-width:0;font-weight:600}.etude-summary__section-topic{font-size:var(--etude-type-micro-l-size);color:var(--etude-color-ink-secondary);white-space:nowrap}.etude-summary__section-score{font-family:var(--etude-font-mono);font-size:var(--etude-type-caption-l-size);color:var(--etude-color-ink-label);white-space:nowrap;font-weight:500}.etude-summary__weak-state{font-size:var(--etude-type-label-chip-size);letter-spacing:.05em;text-transform:uppercase;border-radius:var(--etude-radius-full);padding:2px var(--etude-space-s);white-space:nowrap;background:var(--etude-color-callout-key-bg);border:1px solid var(--etude-color-callout-key-border-soft);color:var(--etude-color-callout-key-label);font-weight:700}.etude-summary__weak-row[data-state=resolved] .etude-summary__weak-state{background:var(--etude-color-callout-ex-bg);border-color:var(--etude-color-callout-ex-border-soft);color:var(--etude-color-callout-ex-label)}.etude-summary__weak-row[data-state=held] .etude-summary__weak-state{background:var(--etude-color-paper-sunk);border-color:var(--etude-color-hairline-strong);color:var(--etude-color-ink-secondary)}.etude-summary__note{font-size:var(--etude-type-caption-l-size);line-height:var(--etude-type-body-line-height);color:var(--etude-color-ink-secondary)}.etude-summary__actions{border-top:1px solid var(--etude-color-paper-sunk);flex-wrap:wrap;align-items:center;gap:10px;padding-top:20px;display:flex}.etude-summary__btn{border-radius:var(--etude-radius-m);cursor:pointer;flex:none;min-height:44px;font-family:inherit;transition:background .15s cubic-bezier(.2,0,0,1)}.etude-summary__btn--primary{justify-content:center;align-items:center;gap:var(--etude-space-s);background:var(--etude-color-primary);color:var(--etude-color-on-primary);border:1px solid var(--etude-color-primary);font-size:var(--etude-type-body-s-size);padding:10px 22px;font-weight:600;display:inline-flex}.etude-summary__btn--primary:hover{background:var(--etude-color-primary-hover)}.etude-summary__btn--secondary{border:1px solid var(--etude-color-hairline-strong);font-size:var(--etude-type-body-xs-size);color:var(--etude-color-ink-label);background:0 0;padding:10px 18px;font-weight:600}.etude-summary__btn--secondary:hover{border-color:var(--etude-color-hairline-contrast);color:var(--etude-color-ink)}.etude-summary__btn--tertiary{font-size:var(--etude-type-body-xs-size);color:var(--etude-color-ink-secondary);background:0 0;border:1px solid #0000;padding:10px 14px;font-weight:500}.etude-summary__btn--tertiary:hover{background:var(--etude-color-paper-sunk);color:var(--etude-color-ink)}.etude-summary__footnote{font-size:var(--etude-type-micro-size);color:var(--etude-color-ink-secondary);margin-top:-10px}@media (max-width:600px){.etude-summary{padding:0 var(--etude-space-l)}.etude-summary__stats{grid-template-columns:1fr}.etude-summary__heading{font-size:22px}.etude-summary__btn{flex:100%}}@media (prefers-reduced-motion:reduce){.etude-summary__btn{transition:none}}
.etude-instruction-card,.etude-instruction-card *{box-sizing:border-box}.etude-instruction-card{font-family:var(--etude-font-ui);color:var(--etude-color-ink);background-color:var(--etude-color-surface);border:1px solid var(--etude-derived-card-border);border-radius:var(--etude-radius-l);box-shadow:var(--etude-elevation-card);padding:var(--etude-space-l)}.etude-instruction-card__title{font-size:15px;font-weight:600}.etude-instruction-card__context{font-size:var(--etude-type-caption-l-size);line-height:var(--etude-type-body-line-height);color:var(--etude-color-ink-secondary);margin-top:3px}.etude-instruction-card__rows{margin-top:var(--etude-space-m);flex-direction:column;display:flex}.etude-instruction-card__row{padding:var(--etude-space-m) 0;border-bottom:1px solid var(--etude-color-hairline-soft)}.etude-instruction-card__row--last{border-bottom:none}.etude-instruction-card__quote-line{align-items:flex-start;gap:10px;display:flex}.etude-instruction-card__mark{font-family:var(--etude-font-display);color:var(--etude-color-secondary-soft);flex-shrink:0;font-size:19px;line-height:.9}.etude-instruction-card__quote{font-size:var(--etude-type-body-s-size);line-height:var(--etude-type-body-s-line-height);flex:1;font-weight:500}.etude-instruction-card__consequence{font-size:var(--etude-type-caption-l-size);line-height:var(--etude-type-body-s-line-height);color:var(--etude-color-ink-secondary);margin-top:5px;padding-left:20px}
.etude-prereq-rail,.etude-prereq-rail *{box-sizing:border-box}.etude-prereq-rail{gap:var(--etude-space-m);font-family:var(--etude-font-ui);flex-direction:column;display:flex}.etude-prereq-rail__note{font-family:var(--etude-type-mono-s-family);font-size:var(--etude-type-mono-s-size);line-height:var(--etude-type-mono-s-line-height);color:var(--etude-color-ink-secondary)}.etude-prereq-rail__chips{flex-wrap:wrap;gap:6px;display:flex}.etude-prereq-rail__chip{border-radius:var(--etude-radius-full);min-height:44px;font-family:inherit;font-size:var(--etude-type-caption-size);cursor:pointer;border:1px solid #0000;align-items:center;gap:7px;padding:9px 14px;font-weight:600;transition:background .15s cubic-bezier(.2,0,0,1);display:inline-flex}.etude-prereq-rail__chip:focus-visible{outline:2px solid var(--etude-color-focus-ring);outline-offset:2px}.etude-prereq-rail__chip-icon{flex-shrink:0}.etude-prereq-rail__chip-label{white-space:nowrap}.etude-prereq-rail__chip-word{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.etude-prereq-rail__chip--known{color:var(--etude-color-primary-deep);background:var(--etude-color-primary-tint);border-color:var(--etude-color-callout-ex-border-soft)}.etude-prereq-rail__chip--guess{color:var(--etude-color-callout-key-label);background:var(--etude-color-callout-key-bg);border-color:var(--etude-color-callout-key-border-soft)}.etude-prereq-rail__chip--open{color:var(--etude-color-ink-label);background:var(--etude-color-surface);border-color:var(--etude-color-hairline-strong)}.etude-prereq-rail__chip--current{color:var(--etude-color-paper);background:var(--etude-color-ink);border-color:var(--etude-color-ink)}
.etude-rbr,.etude-rbr *{box-sizing:border-box}.etude-rbr{font-family:var(--etude-font-ui);color:var(--etude-color-ink);flex-direction:column;display:flex}.etude-rbr__row{border-bottom:1px solid var(--etude-color-hairline-soft)}.etude-rbr__row:last-child{border-bottom:none}.etude-rbr__row-main{align-items:flex-start;gap:11px;padding:13px 0;display:flex}.etude-rbr__icon{flex-shrink:0;margin-top:5px}.etude-rbr__icon--couldnt-read{color:var(--etude-color-callout-warn-border)}.etude-rbr__icon--guess{color:var(--etude-color-callout-key-label)}.etude-rbr__icon--not-yet{color:var(--etude-color-ink-secondary)}.etude-rbr__icon--read{color:var(--etude-color-primary-deep)}.etude-rbr__text{flex:1;min-width:0}.etude-rbr__headline{font-size:var(--etude-type-body-s-size);font-weight:600;display:block}.etude-rbr__row[data-readback-state=couldnt-read] .etude-rbr__headline{color:var(--etude-color-callout-warn-label)}.etude-rbr__row[data-readback-state=not-yet] .etude-rbr__headline{color:var(--etude-color-ink-label)}.etude-rbr__detail{font-size:var(--etude-type-caption-l-size);line-height:var(--etude-type-body-s-line-height);color:var(--etude-color-ink-secondary);margin-top:1px;display:block}.etude-rbr__target{min-height:44px;padding:var(--etude-space-xs) 6px;border-radius:var(--etude-radius-m);cursor:pointer;background:0 0;border:none;flex-direction:column;flex-shrink:0;justify-content:center;align-items:flex-end;gap:3px;font-family:inherit;display:flex}.etude-rbr__target:hover,.etude-rbr__target:focus-visible{background:var(--etude-color-hairline-soft)}.etude-rbr .etude-rbr__target:focus-visible{outline:2px solid var(--etude-color-focus-ring);outline-offset:2px}.etude-rbr__chip{font-size:var(--etude-type-label-chip-size);letter-spacing:.05em;text-transform:uppercase;border-radius:var(--etude-radius-full);white-space:nowrap;border:1px solid #0000;padding:2px 7px;font-weight:700}.etude-rbr__chip--couldnt-read{color:var(--etude-color-callout-warn-label);background:var(--etude-color-callout-warn-bg);border-color:var(--etude-color-callout-warn-border-soft)}.etude-rbr__chip--guess{color:var(--etude-color-callout-key-label);background:var(--etude-color-callout-key-bg);border-color:var(--etude-color-callout-key-border-soft)}.etude-rbr__chip--not-yet{color:var(--etude-color-ink-label);background:var(--etude-color-paper-sunk);border-color:var(--etude-color-hairline-strong)}.etude-rbr__chip--read{color:var(--etude-color-primary-deep);background:var(--etude-color-primary-tint);border-color:var(--etude-color-callout-ex-border-soft)}.etude-rbr__cta{font-size:var(--etude-type-micro-size);color:var(--etude-color-primary-deep);font-weight:600}.etude-rbr__composer{background:var(--etude-color-paper-sunk);border:1px solid var(--etude-color-hairline-strong);border-radius:var(--etude-radius-l);padding:14px var(--etude-space-l);margin:0 0 13px}.etude-rbr__composer-label{font-family:var(--etude-font-mono);font-size:var(--etude-type-mono-label-size);letter-spacing:var(--etude-type-mono-label-letter-spacing);text-transform:uppercase;color:var(--etude-color-ink-label);margin-bottom:var(--etude-space-s);display:block}.etude-rbr__composer-row{gap:var(--etude-space-s);flex-wrap:wrap;display:flex}.etude-rbr__composer-input{min-width:150px;min-height:44px;padding:10px var(--etude-space-m);background:var(--etude-color-surface);border:1px solid var(--etude-color-hairline-strong);border-radius:var(--etude-radius-m);font-family:inherit;font-size:var(--etude-type-body-s-size);color:var(--etude-color-ink);flex:1}.etude-rbr__composer-input:focus-visible{border-color:var(--etude-color-primary);outline:none}.etude-rbr__composer-send{background:var(--etude-color-primary);min-height:44px;color:var(--etude-color-on-primary);border:1px solid var(--etude-color-primary);border-radius:var(--etude-radius-m);font-family:inherit;font-size:var(--etude-type-body-xs-size);cursor:pointer;padding:10px 18px;font-weight:600;transition:background .15s cubic-bezier(.2,0,0,1)}.etude-rbr__composer-send:hover{background:var(--etude-color-primary-hover)}.etude-rbr__composer-send:focus-visible{outline:2px solid var(--etude-color-focus-ring);outline-offset:2px}.etude-rbr__composer-hint{font-size:var(--etude-type-micro-l-size);line-height:var(--etude-type-body-s-line-height);color:var(--etude-color-ink-label);margin-top:var(--etude-space-s)}

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