.course-sanctuary{display:flex;flex:1;flex-direction:column;min-height:0;color:var(--app-text);background:var(--app-bg)}.course-sanctuary a,.course-sanctuary button{cursor:pointer}.course-sanctuary :is(button,a,summary):focus-visible{outline:2px solid var(--app-accent-2);outline-offset:4px}.atlas-scroll{flex:1;min-height:0;overflow-y:auto;scrollbar-gutter:stable;scroll-behavior:smooth;box-shadow:inset 0 -8px 8px -8px var(--app-text)}.atlas-access{padding:48px 24px;text-align:center;color:var(--app-muted)}.atlas-access>svg{margin:0 auto 20px}.atlas-access h2{font:26px Georgia,serif;color:var(--app-text);margin-bottom:12px}.atlas-access p{font-size:14px}.atlas-access a{display:inline-flex;gap:12px;align-items:center;padding:12px 18px;margin-top:24px;border:1px solid var(--app-accent-2-border);color:var(--app-accent-2);border-radius:4px}.atlas-reading-layout{display:grid;grid-template-columns:260px minmax(0,850px);justify-content:center;gap:32px;padding:28px 32px 60px}.atlas-section-list{display:flex;flex-direction:column;align-self:start}.atlas-section-list>small{color:var(--app-muted);letter-spacing:.1em;font-size:10px;padding:12px}.atlas-section-list button{display:flex;gap:10px;text-align:left;font-size:12px;line-height:1.6;padding:12px;border-left:2px solid var(--app-border-strong)}.atlas-section-list button>span{color:var(--app-muted);font-size:10px;padding-top:2px}.atlas-section-list button[aria-current]{background:var(--app-accent-2-soft);border-color:var(--app-accent-2);color:var(--app-accent-2)}.atlas-reading.nb-root{padding:40px;background:var(--nb-paper);min-width:0;height:auto;overflow:visible;display:block;color:var(--nb-ink);border:1px solid var(--app-border-strong);border-radius:4px;-webkit-user-select:text;-moz-user-select:text;user-select:text}.atlas-reading-heading{border-bottom:1px solid var(--app-border-strong);margin-bottom:32px;padding-bottom:24px}.atlas-reading-heading small{font-size:11px;color:var(--app-muted)}.atlas-reading-heading h1{font:36px/1.2 var(--font-fell,Georgia),Georgia,serif;margin-top:12px}.atlas-puzzle,.atlas-reading p{font:18px/1.9 var(--font-fell,Georgia),Georgia,serif;margin:18px 0}.atlas-reading .nb-plate{min-height:450px;margin:32px 0}.atlas-reading-footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:18px;padding-top:28px;border-top:1px solid var(--app-border-strong);margin-top:40px}.atlas-reading-footer :is(a,button){display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--app-accent-2);text-align:left}@media (max-width:1050px){.atlas-reading-layout{grid-template-columns:200px minmax(0,1fr);padding:20px;gap:18px}.atlas-reading.nb-root{padding:24px}}@media (max-width:650px){.atlas-reading-layout{display:block;padding:12px}.atlas-section-list{margin-bottom:20px}.atlas-section-list button{padding:8px 12px}.atlas-reading.nb-root{padding:24px 18px}.atlas-reading-heading h1{font-size:28px}}@media (prefers-reduced-motion:reduce){.atlas-scroll{scroll-behavior:auto}}.atlas-section-list summary{padding:12px;font-size:12px;color:var(--app-muted);cursor:pointer}.atlas-section-list button{width:100%}.atlas-section-list summary:focus-visible{outline:2px solid var(--app-accent-2);outline-offset:2px}.atlas-open-plate{display:flex;align-items:center;gap:14px;width:100%;text-align:left;padding:20px;margin:24px 0;border:1px solid var(--app-accent-2-border);background:var(--app-accent-2-soft);color:var(--app-accent-2);border-radius:4px;font-size:14px}.atlas-open-plate>span{flex:1}.atlas-open-plate small{display:block;font-size:11px;margin-top:8px;color:var(--app-muted)}