html[data-reading-size=s] [data-reading-root]{--prose-scale:.9}html[data-reading-size=l] [data-reading-root]{--prose-scale:1.12}html[data-reading-size=xl] [data-reading-root]{--prose-scale:1.24}.reader-article{--reader-measure:38}html[data-reading-width=narrow] .reader-article{--reader-measure:32}html[data-reading-width=wide] .reader-article{--reader-measure:46}.reader-layout{gap:3rem;padding-top:2.5rem;padding-bottom:6rem;display:grid}.reader-outline,.reader-rail{display:none}@media (min-width:64rem){.reader-layout{grid-template-columns:14rem minmax(0,1fr);padding-top:3.5rem;padding-bottom:8rem}.reader-outline{display:block}}@media (min-width:80rem){.reader-layout{grid-template-columns:14rem minmax(0,1fr) 12rem}.reader-rail{display:block}}@media (min-width:64rem){html[data-reading-focus] .reader-layout{grid-template-columns:minmax(0,1fr)}html[data-reading-focus] :is(.reader-outline,.reader-rail){display:none}}.reader-sticky{flex-direction:column;max-height:calc(100dvh - 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var(--lab-ease);position:fixed;top:0}.reader-progress-line[data-visible]{opacity:1}.reader-progress-line>span,.reader-readout__track>span{height:100%;transform:scaleX(var(--reading-progress,0));transform-origin:0;background-color:#fff;display:block}.reader-outline-course{color:var(--color-foreground);text-wrap:pretty;transition:color var(--lab-wipe) var(--lab-ease);font-size:.9375rem;font-weight:500;line-height:1.5;display:block}.reader-outline-list{border-left:1px solid var(--lab-line)}.reader-outline-link{color:var(--color-subtle);transition:color var(--lab-wipe) var(--lab-ease), border-color var(--lab-wipe) var(--lab-ease);border-left:1px solid #0000;gap:.75rem;margin-left:-1px;padding:.5rem .5rem .5rem 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var(--toc-y,0);background-color:#fff;position:absolute;top:0;left:-1px}.reader-toc[data-indicator]:before{opacity:1}.reader-toc__link{color:var(--color-subtle);text-wrap:pretty;transition:color var(--lab-wipe) var(--lab-ease);border-left:1px solid #0000;margin-left:-1px;padding:.375rem 0 .375rem .875rem;font-size:.8125rem;line-height:1.55;display:block}.reader-toc__link[data-level="3"]{padding-left:1.75rem}.reader-toc__link[aria-current=location]{color:#fff}.reader-toc:not([data-indicator]) .reader-toc__link[aria-current=location]{border-left-color:#fff}@media (hover:hover){.reader-toc__link:hover{color:#fff}}@media (prefers-reduced-motion:no-preference){.reader-toc:before{transition:translate .45s var(--lab-ease), height .45s var(--lab-ease), opacity .2s var(--lab-ease)}}.reader-end{margin-top:4.5rem}.reader-endmark{color:var(--color-subtle);letter-spacing:.24em;align-items:center;gap:1rem;font-size:.75rem;display:flex}.reader-endmark:before,.reader-endmark:after{content:"";background-color:var(--lab-line);flex:1;height:1px}.reader-next{transition:background-size var(--lab-wipe) var(--lab-ease), border-color var(--lab-wipe) var(--lab-ease), background-color var(--lab-wipe) var(--lab-ease);background-color:#0d111499;border:1px solid #ffffff14;margin-top:3rem;padding:1.5rem;display:block}@media (min-width:40rem){.reader-next{padding:2rem}}a.reader-next:focus-visible{outline-offset:4px;outline:2px solid #fff}@media (hover:hover){a.reader-next:hover{background-color:#1a1f2699;border-color:#ffffff24}}.reader-next__title{color:var(--color-foreground);letter-spacing:-.015em;text-wrap:pretty;margin-top:1.5rem;font-size:1.375rem;font-weight:600;line-height:1.4;display:block}@media 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.45s var(--lab-ease)}}.reader-toolbar__button{height:2.75rem;color:var(--color-muted);transition:color var(--lab-wipe) var(--lab-ease), background-color var(--lab-wipe) var(--lab-ease);border-radius:2px;align-items:center;gap:.5rem;padding:0 .875rem;font-size:.875rem;display:inline-flex}.reader-toolbar__button svg,.reader-toolbar__step svg{width:1.125rem;height:1.125rem}.reader-toolbar__divider{flex:1}@media (min-width:48rem){.reader-toolbar__divider{background-color:var(--lab-line-strong);flex:none;width:1px;height:1.25rem;margin:0 .375rem}}.reader-toolbar__step{color:#fff;width:2.75rem;height:2.75rem;transition:background-color var(--lab-wipe) 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0;border:0;margin:0;padding:0;position:fixed;inset:0;overflow:hidden}.reader-sheet::backdrop{background-color:#000000a3}.reader-sheet__panel{inset-inline:0;max-height:min(80dvh,40rem);padding-bottom:env(safe-area-inset-bottom);border-top:1px solid var(--lab-line-strong);background-color:var(--color-elevated);flex-direction:column;display:flex;position:absolute;bottom:0}@media (min-width:48rem){.reader-sheet__panel{inset-inline:auto;left:50%;bottom:calc(5.75rem + env(safe-area-inset-bottom));border:1px solid var(--lab-line-strong);border-radius:2px;width:26rem;max-height:min(70dvh,36rem);padding-bottom:0;transform:translate(-50%)}}.reader-sheet__head{border-bottom:1px solid var(--lab-line);flex-shrink:0;justify-content:space-between;align-items:center;gap:1rem;padding:.5rem .5rem .5rem 1.25rem;display:flex}.reader-sheet__body{overscroll-behavior:contain;min-height:0;padding:1.25rem 1.25rem 1.5rem;overflow-y:auto}@media 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var(--lab-wipe) var(--lab-ease);border-radius:2px;align-items:center;gap:.75rem;padding:0 .75rem;font-size:.875rem;display:inline-flex}.reader-resume__action:focus-visible{outline-offset:-2px;outline:2px solid #fff}@media (hover:hover){.reader-resume__action:hover{background-color:#ffffff0f}.reader-resume__action:hover .lab-btn__arrow{transform:translate(3px)}}@keyframes reader-rise{0%{opacity:0;translate:-50% .75rem}}@media print{.reader-progress-line,.reader-outline,.reader-rail,.reader-toolbar,.reader-resume,.reader-next,.reader-prev{display:none!important}.reader-layout{display:block}}