.toc-rail__title{font-family:var(--font-display);color:var(--color-fg-secondary);margin-bottom:.75rem;font-size:.875rem}.toc-rail__body{padding-left:.875rem;position:relative}.toc-rail__track{background:var(--color-border-subtle);width:1px;position:absolute;top:0;bottom:0;left:0;right:auto}.toc-rail__fill{transform-origin:top;will-change:transform;position:absolute;top:0;bottom:0;left:-.5px;right:-.5px;transform:scaleY(0)}.toc-rail__list{margin:0;padding:0;list-style:none}.toc-rail__list li{align-items:baseline;gap:.5rem;padding:.3rem 0;display:flex;position:relative}.toc-rail__list li[data-level="3"]{padding-left:.75rem}.toc-rail__list li[data-active]:before{content:"";background:var(--brass);border-radius:50%;width:6px;height:6px;position:absolute;top:.75rem;left:calc(-.875rem - 2.5px)}.toc-rail__tick{background:var(--color-border-strong);flex-shrink:0;height:1px;transform:translateY(-.3em)}.toc-rail__list a{color:var(--color-fg-muted);transition:color var(--duration-fast)var(--ease-paper);font-size:.8125rem;line-height:1.5}.toc-rail__list a:hover{color:var(--color-fg-primary)}.toc-rail__list li[data-active] a{font-weight:500}