.crt-chapterbar{position:sticky;top:var(--crt-topbar-h,44px);z-index:30;display:flex;align-items:stretch;overflow-x:auto;background:var(--paper,#ffffff);border-top:2px solid var(--ink);border-bottom:.5px solid var(--rule);min-height:42px}.crt-chapterbar__link{display:inline-flex;align-items:center;gap:8px;padding:0 18px;flex:none;font-family:var(--font-mono),"JetBrains Mono",ui-monospace,monospace;font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-60);text-decoration:none;border-bottom:2px solid transparent;margin-bottom:-.5px}.crt-chapterbar__link:hover{color:var(--chair)}.crt-chapterbar__link.is-active{color:var(--ink);border-bottom-color:var(--flag)}.crt-chapterbar__link:focus-visible{outline:2px solid var(--chair);outline-offset:-2px}.crt-chapterbar__meta{color:var(--ink-40);font-size:8.5px;letter-spacing:.08em}.crt-chapterbar__link.is-active .crt-chapterbar__meta{color:var(--flag)}.crt-chapterbar__action{display:inline-flex;align-items:center;margin-left:auto;padding:0 4px 0 18px;flex:none;text-decoration:none}.crt-chapterbar__action b{display:inline-flex;align-items:center;padding:6px 14px;font-family:var(--font-heading),"Space Grotesk",system-ui,sans-serif;font-size:12px;font-weight:500;color:var(--paper,#ffffff);background:var(--ink)}.crt-chapterbar__action:hover b{background:var(--chair)}