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svg{width:100%;height:100%;stroke:currentColor;fill:none}.lesson-flashcard__card{height:340px}.lesson-flashcard__card-question{font-size:1.25rem}.lesson-flashcard__card-answer{font-size:1.25rem}.lesson-flashcard--grid .lesson-flashcard__cards{grid-template-columns:1fr}}@media(max-width:480px){.lesson-flashcard__card{height:320px}.lesson-flashcard__card-question,.lesson-flashcard__card-answer{font-size:1.125rem}.lesson-flashcard__card-content{width:calc(100% - 32px)}.lesson-flashcard__card-hint-zone{bottom:70px}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}.lesson-highlights{margin-bottom:32px;padding:24px;background:linear-gradient(135deg,rgba(245,158,11,0.08) 0%,rgba(250,204,21,0.05) 50%,rgba(245,158,11,0.03) 100%);border-radius:15px;border:2px solid rgba(245,158,11,.2);box-shadow:0 1px 2px 0 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svg{width:100%;height:100%;stroke:currentColor;fill:none}.lesson-checklist__actions{display:flex;justify-content:flex-end;margin-top:16px}.lesson-checklist--compact{padding:16px}.lesson-checklist--compact .lesson-checklist__item{padding:8px 12px}.lesson-checklist--compact .lesson-checklist__checkbox{width:20px;height:20px}.lesson-checklist--compact .lesson-checklist__checkbox-icon{width:12px;height:12px}.lesson-checklist--compact .lesson-checklist__item-text{font-size:.875rem}.lesson-checklist:not(.lesson-checklist--interactive) .lesson-checklist__checkbox{pointer-events:none}.lesson-checklist:not(.lesson-checklist--interactive) .lesson-checklist__item{cursor:default}.lesson-checklist:not(.lesson-checklist--interactive) .lesson-checklist__reset,.lesson-checklist:not(.lesson-checklist--interactive) .lesson-checklist__progress-ring,.lesson-checklist:not(.lesson-checklist--interactive) 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