.toc-sidebar{display:none}@media (min-width:960px){.toc-sidebar{top:calc(var(--promo-banner-h,0px) + var(--app-bar-height) + var(--toc-top-extra,0px) + 20px);max-height:calc(100vh - var(--promo-banner-h,0px) - var(--app-bar-height) - var(--toc-top-extra,0px) - 40px);align-self:start;padding-right:4px;display:block;position:sticky;overflow-y:auto}}.toc-sidebar-title{font-family:var(--font-heading);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted);border-bottom:1px solid var(--border);word-break:break-word;margin-bottom:8px;padding:4px 12px 12px;font-size:.6875rem;font-weight:700}.toc-sidebar-rail{position:relative}.toc-sidebar-rail:before{content:"";background:var(--border);border-radius:999px;width:2px;position:absolute;top:0;bottom:0;left:0}.toc-sidebar-thumb{background:var(--ink);pointer-events:none;border-radius:999px;width:2px;position:absolute;left:0}.toc-sidebar-list{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.toc-sidebar-item{border-radius:var(--radius);color:var(--ink-muted);padding:8px 12px 8px 18px;font-size:.8125rem;line-height:1.45;text-decoration:none;transition:color .14s,background .14s;display:block}.toc-sidebar-item:hover{color:var(--ink);background:var(--surface-raised)}.toc-sidebar-item.is-active{color:var(--ink);font-weight:600}.toc-sidebar-label{min-width:0;display:block}@media (prefers-reduced-motion:reduce){.toc-sidebar-item{transition:none!important}html{scroll-behavior:auto!important}}