.ctoc-rail{--ctoc-ink:var(--color-fd-foreground);--ctoc-ink-2:var(--color-fd-muted-foreground);--ctoc-ink-3:color-mix(in srgb,var(--color-fd-foreground)50%,var(--color-fd-background));--ctoc-ink-4:color-mix(in srgb,var(--color-fd-foreground)32%,var(--color-fd-background));--ctoc-ease:cubic-bezier(.19,1,.22,1);--ctoc-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;flex-direction:column;min-height:100%;display:flex}#ctoc-top-prog{z-index:1200;background:var(--color-fd-foreground);pointer-events:none;width:0;height:1px;position:fixed;top:0;left:0}.ctoc-title{text-wrap:balance;max-width:40ch;max-height:0;color:var(--ctoc-ink);opacity:0;transition:opacity .4s ease,transform .4s var(--ctoc-ease),max-height .4s ease,margin .4s ease;font-size:1rem;font-weight:500;line-height:1.5;overflow:hidden;transform:translateY(8px)}.ctoc-title.on{opacity:1;max-height:240px;margin-bottom:24px;transform:none}.ctoc-th{font-family:var(--ctoc-mono);letter-spacing:.02em;color:var(--ctoc-ink-3);margin-bottom:12px;font-size:.75rem;line-height:normal}.ctoc-rail a{width:fit-content;max-width:100%;font-family:var(--ctoc-mono);white-space:nowrap;text-overflow:ellipsis;color:var(--ctoc-ink-2);padding:2px 0;font-size:.75rem;line-height:1.45;text-decoration:none;display:block;overflow:hidden}.ctoc-rail a:hover,.ctoc-rail a.on{color:var(--ctoc-ink)}.ctoc-rail a:focus-visible{outline:1px solid var(--ctoc-ink-3);outline-offset:1px}.ctoc-br{color:var(--ctoc-ink-4);margin-right:10px}.ctoc-rail a.on .ctoc-br{color:var(--ctoc-ink-2)}.ctoc-rail a.ctoc-sub{padding-left:18px}.ctoc-subs{visibility:hidden;transition:grid-template-rows .3s var(--ctoc-ease),visibility .3s;grid-template-rows:0fr;display:grid}.ctoc-subs.open{visibility:visible;grid-template-rows:1fr}.ctoc-subs:has(:focus-visible){visibility:visible;grid-template-rows:1fr}.ctoc-subs>div{pointer-events:none;min-height:0;margin:-3px;padding:3px;overflow:hidden}.ctoc-subs a{pointer-events:auto}.ctoc-prog{font-family:var(--ctoc-mono);white-space:nowrap;color:var(--ctoc-ink-4);margin-top:26px;font-size:.75rem;overflow:hidden}.ctoc-prog b{color:var(--ctoc-ink);font-weight:400}.ctoc-pct{color:var(--ctoc-ink-2);margin-left:8px}.ctoc-hint{font-family:var(--ctoc-mono);letter-spacing:.02em;color:var(--ctoc-ink-3);margin-top:12px;font-size:.75rem}.ctoc-arr{font-family:system-ui,sans-serif;font-size:1em;font-weight:400}.ctoc-follow{margin-top:auto;padding-top:26px}.ctoc-follow a:before{content:"└ ";color:var(--ctoc-ink-4)}@media (prefers-reduced-motion:reduce){.ctoc-title,.ctoc-subs{transition:none}}@media (hover:none){.ctoc-hint{display:none}}