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env(safe-area-inset-bottom))!important}.toast{border-radius:15px!important;box-shadow:var(--mobile-shadow)!important}button:active:not(:disabled){transform:scale(.98)}}@media (max-width:380px){:root{--mobile-gutter:8px}.act-nav__step{padding:0 2px!important;font-size:8px!important}.topic-cards{grid-template-columns:1fr!important}.notebook__body{max-height:110px}.cover-card{grid-template-columns:104px 1fr!important}.cover-card__image{min-height:190px!important}.filmstrip .frame{grid-template-columns:112px 1fr}.shelf__card{grid-template-columns:94px minmax(0,1fr)!important}.shelf__cover{width:94px}.reader__timeline-meta{display:none!important}}@media (max-width:720px){.filmstrip{padding-bottom:92px!important}.filmstrip .frame{display:flex!important;flex-direction:column!important;grid-template-columns:none!important;grid-template-areas:none!important}.filmstrip 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button{width:100%;min-height:43px!important;margin-bottom:9px}.conversation-grid>.notebook{order:1;max-height:none!important;padding:12px!important}.notebook__body{max-height:108px!important;overscroll-behavior:contain}.notebook__progress-label{font-variant-numeric:tabular-nums}.conversation-grid__chat{order:2;min-height:0!important;padding:10px!important}.act--conversation .chat,.chat{height:260px!important;min-height:260px!important;max-height:260px!important;padding:8px 6px 14px!important}.composer{position:relative!important;bottom:auto!important;flex-direction:row!important;align-items:flex-end!important;flex:none;margin-top:0!important;box-shadow:none!important}.composer textarea{min-height:58px!important;height:58px!important;max-height:120px!important}.composer__send{flex:0 0 62px!important;width:62px!important}main[data-scene=pages] .act__foot{grid-template-columns:auto minmax(0,1fr)!important;align-items:center!important}main[data-scene=pages] .act__foot-meta{max-width:72px}main[data-scene=pages] .act__foot>.cta-primary{min-width:0}.cinema__chrome.is-reader{display:none!important}.reader{padding:0!important}.reader__stage{height:100dvh!important;padding:calc(62px + env(safe-area-inset-top)) 0 calc(146px + env(safe-area-inset-bottom))!important}.reader__slide{width:min(94vw,440px)!important}.reader__page{max-width:94vw!important;max-height:calc(100dvh - 235px)!important;object-fit:contain!important}.scene.reader .reader__exit,section.reader .reader__exit{top:calc(9px + env(safe-area-inset-top))!important;left:9px!important;min-height:40px!important;padding:0 12px!important;font-size:11px!important}.scene.reader .reader__exports,section.reader .reader__exports{top:calc(9px + env(safe-area-inset-top))!important;right:9px!important;bottom:auto!important;left:auto!important;width:min(218px,calc(100vw - 124px))!important;padding:4px!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:3px!important;border-radius:13px!important}.scene.reader .reader__exports .chrome-btn,section.reader .reader__exports .chrome-btn{display:inline-flex!important;align-items:center;justify-content:center;min-height:34px!important;padding:0 3px!important;border-radius:9px!important;font-size:9px!important;white-space:nowrap}.reader__caption{position:fixed!important;z-index:48;left:14px!important;right:14px!important;bottom:calc(72px + env(safe-area-inset-bottom))!important;max-height:62px!important;padding:9px 12px!important;font-size:12px!important;line-height:1.45!important}.reader__timeline{left:9px!important;right:9px!important;bottom:calc(8px + env(safe-area-inset-bottom))!important;min-height:52px!important;display:grid!important;grid-template-columns:36px minmax(44px,1fr) 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