.paper-shell{grid-template-columns:210px minmax(0, var(--reading));align-items:start;gap:4rem;display:grid}.paper-content{min-width:0}.paper-nav{max-height:calc(100dvh - 4rem);font-size:.78rem;position:sticky;top:2rem;overflow-y:auto}.paper-nav ol{padding-left:1rem}.paper-nav a{text-decoration:none}.paper-nav a:hover{text-decoration:underline}.paper-content h2{margin-top:3rem;font-size:1.7rem}.paper-content h3{margin-top:2rem}.paper-content p,.paper-content li{line-height:1.85}.paper-content>section+section{border-top:1px solid var(--line);margin-top:3rem;padding-top:2.5rem}.paper-content>section>h2{margin-top:0}.paper-content blockquote{border-left:3px solid var(--accent);color:var(--muted);margin:2rem 0;padding-left:1.5rem}.chapter-navigation{justify-content:space-between;gap:1rem;margin-top:3rem;display:flex}@media (width<=900px){.paper-shell{grid-template-columns:minmax(0,1fr);gap:1.5rem}.paper-nav{max-height:none;position:static}}