.reading-article{max-width:48rem;margin-inline:auto;scroll-margin-top:6rem}.reading-article :where(h2,h3,h4,h5,h6,[data-reading-target]){scroll-margin-top:6rem}reading-rail{--reading-rail-width:1.75rem;--reading-tick-opacity:.8;--reading-muted:var(--color-ink-500);--reading-ink:var(--color-ink-900);--reading-surface:#fff;--reading-border:var(--color-ink-200);--reading-subtle:var(--color-ink-100);z-index:40;left:max(1rem, calc(50% - 24rem - 2.5rem - var(--reading-rail-width)));color:var(--reading-ink);font-size:.875rem;line-height:1.5;position:fixed;top:50%;transform:translateY(-50%)}.dark reading-rail{--reading-tick-opacity:.6;--reading-muted:var(--color-ink-400);--reading-ink:var(--color-ink-100);--reading-surface:var(--color-ink-800);--reading-border:var(--color-ink-700);--reading-subtle:var(--color-ink-700)}reading-rail[hidden],reading-rail [hidden],reading-rail .reading-toggle{display:none}reading-rail .reading-nav{width:var(--reading-rail-width)}reading-rail .reading-list{flex-direction:column;margin:0;padding:0;list-style:none;display:flex;position:relative;overflow:visible}reading-rail .reading-link{width:100%;min-height:1.5rem;color:var(--reading-muted);border-radius:.25rem;align-items:center;padding:.125rem;text-decoration:none;display:flex}reading-rail .reading-line{width:.75rem;max-width:100%;height:3px;opacity:var(--reading-tick-opacity);transition:width var(--duration-base) var(--ease), opacity var(--duration-base) var(--ease), color var(--duration-base) var(--ease);background:currentColor;border-radius:0;flex-shrink:0;display:block}reading-rail .reading-link[data-read],reading-rail .reading-link[aria-current],reading-rail .reading-link:hover,reading-rail .reading-link:focus-visible{color:var(--reading-ink)}reading-rail .reading-link[data-read] .reading-line{opacity:.55}reading-rail .reading-link[aria-current] .reading-line{opacity:.85}reading-rail .reading-link[data-peek-distance="0"] .reading-line{opacity:1;width:3.5rem}reading-rail .reading-link[data-peek-distance="1"] .reading-line{width:2.75rem}reading-rail .reading-link[data-peek-distance="2"] .reading-line{width:2rem}reading-rail .reading-link[data-peek-distance="3"] .reading-line{width:1.25rem}reading-rail .reading-link:focus-visible,reading-rail .reading-toggle:focus-visible{outline:2px solid var(--reading-muted);outline-offset:3px;box-shadow:none}reading-rail .reading-link:focus-visible{outline-offset:-2px}reading-rail .reading-label,reading-rail .reading-excerpt{display:none}reading-rail .reading-status{width:var(--reading-rail-width);color:var(--reading-muted);margin-top:.5rem;padding-inline:0}reading-rail progress{appearance:none;background:var(--reading-border);width:100%;height:2px;color:var(--reading-ink);border:0;border-radius:999px;margin-bottom:.25rem;display:block;overflow:hidden}reading-rail progress::-webkit-progress-bar{background:var(--reading-border)}reading-rail progress::-webkit-progress-value{background:var(--reading-ink);transition:width var(--duration-base) var(--ease)}reading-rail progress::-moz-progress-bar{background:var(--reading-ink);transition:width var(--duration-base) var(--ease)}reading-rail .reading-percent{font-variant-numeric:tabular-nums;font-size:.6875rem}@media (width>=1024px) and (hover:hover) and (pointer:fine){reading-rail:not([data-contents])[data-peeking] .reading-nav{width:4.25rem}reading-rail:not([data-contents]) .reading-status .reading-percent{letter-spacing:-.025em;font-size:.625rem}}reading-rail .reading-preview{border:1px solid var(--reading-border);background:var(--reading-surface);width:17rem;transition:transform var(--duration-base) var(--ease), height var(--duration-base) var(--ease);border-radius:.5rem;padding:.75rem;position:fixed;top:0;box-shadow:0 10px 24px -20px #0f172a59}reading-rail .reading-preview-body{height:100%;position:relative;overflow:hidden}reading-rail .reading-preview-outgoing{pointer-events:none;position:absolute;inset:0}reading-rail .reading-preview:before{content:"";inset-block:0;width:.5rem;position:absolute;right:100%}reading-rail .reading-preview-title,reading-rail .reading-preview-excerpt{overflow-wrap:anywhere;-webkit-box-orient:vertical;margin:0;display:-webkit-box;overflow:hidden}reading-rail .reading-preview-title{-webkit-line-clamp:2;font-size:.875rem;font-weight:600;line-height:1.4}reading-rail .reading-preview-excerpt{-webkit-line-clamp:3;color:var(--reading-muted);margin-top:.25rem;font-size:.8125rem;line-height:1.5}reading-rail[data-contents]{top:auto;left:auto;right:max(1rem, env(safe-area-inset-right));bottom:max(1rem, env(safe-area-inset-bottom));transform:none}reading-rail[data-contents] .reading-toggle{border:1px solid var(--reading-border);background:var(--reading-surface);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:.5rem;min-height:2.75rem;padding:.5rem .75rem;display:flex;box-shadow:0 4px 16px #0f172a14}reading-rail[data-contents] .reading-toggle .reading-percent{color:var(--reading-muted)}reading-rail[data-contents][data-open] .reading-toggle svg{transform:rotate(180deg)}reading-rail[data-contents] .reading-nav{border:1px solid var(--reading-border);background:var(--reading-surface);border-radius:.75rem;width:min(20rem,100vw - 2rem);padding:.5rem;display:none;position:absolute;bottom:calc(100% + .5rem);right:0;box-shadow:0 8px 32px #0f172a1a}reading-rail[data-contents][data-open] .reading-nav{display:block}reading-rail[data-contents] .reading-list{overscroll-behavior:contain;max-height:min(55dvh,100dvh - 14rem,28rem);overflow-y:auto}reading-rail[data-contents] .reading-link{width:100%;min-height:2.75rem;color:var(--reading-ink);padding:.5rem .75rem;font-size:.8125rem;display:block}reading-rail[data-contents] .reading-link[data-level="3"],reading-rail[data-contents] .reading-link[data-level="4"],reading-rail[data-contents] .reading-link[data-level="5"],reading-rail[data-contents] .reading-link[data-level="6"]{padding-inline-start:1.25rem}reading-rail[data-contents] .reading-link:hover,reading-rail[data-contents] .reading-link[aria-current]{background:var(--reading-subtle);box-shadow:inset 2px 0 var(--reading-muted)}reading-rail[data-contents] .reading-link:active{opacity:1}reading-rail[data-contents] .reading-line,reading-rail[data-contents] .reading-preview{display:none}reading-rail[data-contents] .reading-label{overflow-wrap:anywhere;font-weight:600;display:block}reading-rail[data-contents] .reading-excerpt{-webkit-line-clamp:1;color:var(--color-ink-600);overflow-wrap:anywhere;-webkit-box-orient:vertical;margin-top:.125rem;font-size:.75rem;display:-webkit-box;overflow:hidden}.dark reading-rail[data-contents] .reading-excerpt{color:var(--color-ink-300)}reading-rail[data-contents] .reading-status{align-items:center;gap:.5rem;width:auto;margin:.5rem .75rem;padding-inline:.25rem;display:flex}reading-rail[data-contents] progress{margin:0}@media (prefers-reduced-motion:reduce){reading-rail .reading-line,reading-rail .reading-preview{transition:none}reading-rail progress::-webkit-progress-value{transition:none}reading-rail progress::-moz-progress-bar{transition:none}}@media print{reading-rail{display:none}}