.reading-navigator_layout__I416i,.reading-navigator_rootOnly___HWGv{--reading-safe-gap:24px;width:var(--container-readable-width);margin-inline:auto}.reading-navigator_layout__I416i{display:grid;grid-template-columns:minmax(0,1fr)}.reading-navigator_rootOnly___HWGv,.reading-navigator_root__kfBjb{min-width:0}.reading-navigator_rootOnly___HWGv h2[id],.reading-navigator_rootOnly___HWGv h3[id],.reading-navigator_root__kfBjb h2[id],.reading-navigator_root__kfBjb h3[id]{scroll-margin-top:calc(var(--site-header-height) + var(--reading-safe-gap))}.reading-navigator_navigator__XCyTT{height:0;min-width:0}.reading-navigator_navigator__XCyTT[hidden]{display:none}.reading-navigator_panel__GxH54{min-height:0}.reading-navigator_desktopPanel__dtPLn{display:none}.reading-navigator_sheetPanel__evzoG{display:flex;overflow:hidden;flex:1;flex-direction:column}.reading-navigator_header__E9MGY{display:none}.reading-navigator_outlineArea__Jk3uR{min-height:0;position:relative}.reading-navigator_track__sstMs{position:absolute;top:8px;bottom:8px;left:1px;width:2px;height:calc(100% - 16px);overflow:visible}.reading-navigator_trackBackground__WiouN,.reading-navigator_trackProgress__TXAI_{fill:none;vector-effect:non-scaling-stroke}.reading-navigator_trackBackground__WiouN{stroke:var(--color-border)}.reading-navigator_trackProgress__TXAI_{stroke:var(--color-brand);stroke-linecap:square}.reading-navigator_list__Xpuei{display:grid;gap:3px;margin:0;padding:0 0 0 18px;list-style:none}.reading-navigator_list__Xpuei li{min-width:0}.reading-navigator_list__Xpuei a{position:relative;display:-webkit-box;overflow:hidden;padding:7px 8px;color:var(--color-muted);font-size:var(--text-sm);line-height:1.5;overflow-wrap:anywhere;-webkit-box-orient:vertical;-webkit-line-clamp:2;transition:var(--motion-transition-color)}.reading-navigator_list__Xpuei a:before{position:absolute;top:50%;left:-18px;width:8px;height:1px;background:transparent;content:""}.reading-navigator_list__Xpuei a:focus-visible,.reading-navigator_list__Xpuei a:hover{color:var(--color-ink)}.reading-navigator_list__Xpuei a.reading-navigator_active__cN_Ka{color:var(--color-brand);font-weight:var(--font-weight-medium)}.reading-navigator_list__Xpuei a.reading-navigator_active__cN_Ka:before{background:var(--color-brand)}.reading-navigator_levelThree__TumKM{padding-left:12px}.reading-navigator_count__kmvlt{margin:16px 0 0 18px;color:var(--color-faint);font-size:var(--text-xs);line-height:var(--leading-meta)}.reading-navigator_mobileTrigger__T85Pp{position:fixed;right:max(16px,calc(env(safe-area-inset-right) + 16px));bottom:calc(env(safe-area-inset-bottom) + 20px);z-index:70;width:46px;height:46px;padding:0;border:1px solid var(--color-border);border-radius:50%;background:var(--color-surface);color:var(--color-ink);cursor:pointer;opacity:0;pointer-events:none;visibility:hidden;transition:opacity var(--motion-duration-fast) var(--motion-ease-out),transform var(--motion-duration-fast) var(--motion-ease-out),visibility var(--motion-duration-fast) step-end;transform:translateY(8px)}.reading-navigator_mobileTrigger__T85Pp[data-visible=true]{opacity:1;pointer-events:auto;visibility:visible;transition:opacity var(--motion-duration-fast) var(--motion-ease-out),transform var(--motion-duration-fast) var(--motion-ease-out),visibility 0s step-start;transform:translateY(0)}.reading-navigator_mobileRing__dQgtZ{position:absolute;inset:-1px;width:46px;height:46px;transform:rotate(-90deg)}.reading-navigator_mobileRingBackground__RrIB9,.reading-navigator_mobileRingProgress__rM_T1{fill:none;stroke-width:1.5}.reading-navigator_mobileRingBackground__RrIB9{stroke:var(--color-border-light)}.reading-navigator_mobileRingProgress__rM_T1{stroke:var(--color-brand);stroke-linecap:square}.reading-navigator_mobilePercent__TPHCl{position:relative;font-size:10px;font-weight:var(--font-weight-medium);line-height:1}.reading-navigator_mobilePercent__TPHCl:after{content:"%";font-size:7px}.reading-navigator_mobileOverlay__S5gkl{position:fixed;inset:0;z-index:60;display:grid;padding:16px max(16px,calc(env(safe-area-inset-right) + 16px)) calc(env(safe-area-inset-bottom) + 82px) max(16px,calc(env(safe-area-inset-left) + 16px));background:color-mix(in srgb,var(--color-ink) 24%,transparent);align-items:end;justify-items:end}.reading-navigator_mobileSheet__BofTy{display:flex;width:min(420px,100%);max-height:min(76svh,680px);overflow:hidden;border:1px solid var(--color-border);background:var(--color-surface);flex-direction:column}.reading-navigator_sheetHeader__yG_T_{display:flex;padding:20px 18px 16px;border-bottom:1px solid var(--color-border-light);justify-content:space-between;gap:20px}.reading-navigator_sheetHeading__0J72i{min-width:0}.reading-navigator_sheetLabel__aAw72{color:var(--color-muted);font-size:var(--text-xs);font-weight:var(--font-weight-medium);letter-spacing:var(--letter-label)}.reading-navigator_sheetCurrent__G5_7B{margin:7px 0 0;overflow:hidden;color:var(--color-ink);font-size:var(--text-base);font-weight:var(--font-weight-medium);line-height:var(--leading-section);text-overflow:ellipsis;white-space:nowrap}.reading-navigator_sheetMeta__r3Ae4{margin:5px 0 0;color:var(--color-faint);font-size:var(--text-xs);line-height:var(--leading-meta)}.reading-navigator_sheetClose__Wiu5T{display:grid;width:36px;height:36px;padding:0;border:1px solid var(--color-border-light);border-radius:50%;background:transparent;color:var(--color-muted);cursor:pointer;flex:0 0 auto;place-items:center}.reading-navigator_sheetPanel__evzoG .reading-navigator_outlineArea__Jk3uR{overflow-y:auto;overscroll-behavior:contain;padding:14px 18px 18px;scrollbar-color:var(--color-border) transparent;scrollbar-width:thin}.reading-navigator_sheetPanel__evzoG .reading-navigator_track__sstMs{top:22px;bottom:26px;left:19px;height:calc(100% - 48px)}.reading-navigator_sheetPanel__evzoG .reading-navigator_list__Xpuei{padding-left:18px}@media (min-width:1400px){.reading-navigator_layout__I416i{width:var(--container-wide-width);grid-template-columns:minmax(0,1fr) minmax(0,var(--container-readable)) minmax(0,1fr)}.reading-navigator_root__kfBjb{grid-column:2}.reading-navigator_navigator__XCyTT{position:sticky;top:calc(var(--site-header-height) + var(--reading-safe-gap));grid-column:3;grid-row:1;align-self:start;width:min(210px,calc(100% - 12px));max-height:calc(100vh - var(--site-header-height) - var(--reading-safe-gap) * 2);margin:0 0 0 12px;height:auto}.reading-navigator_mobileOverlay__S5gkl,.reading-navigator_mobileTrigger__T85Pp{display:none}.reading-navigator_desktopPanel__dtPLn{display:flex;max-height:inherit;padding:0;flex-direction:column}.reading-navigator_header__E9MGY{display:flex;justify-content:space-between;gap:12px;padding:0 8px 14px 18px;color:var(--color-muted);font-size:var(--text-xs);font-weight:var(--font-weight-medium);letter-spacing:var(--letter-label)}.reading-navigator_outlineArea__Jk3uR{overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--color-border) transparent}}@media (prefers-reduced-motion:reduce){.reading-navigator_list__Xpuei a,.reading-navigator_mobileTrigger__T85Pp{transition:none}}