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a{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);flex:1;min-height:44px;color:var(--ink-2);text-decoration:none}.series-nav__direction,.series-nav__link-title{display:block}.series-nav__direction{margin-block-end:var(--sp-1);font-family:var(--font-mono);font-size:var(--step--2);color:var(--accent)}.series-nav__link-title{color:var(--ink-1)}.series-nav__list a:hover{color:var(--ink-1);text-decoration:underline;text-underline-offset:.2em}.series-nav__list>li:has([aria-current=true]){color:var(--ink-1);font-weight:600}.series-nav__list>li:has([aria-current=true])::before{color:var(--accent)}.post-shell>article>.series-nav--full{position:relative;display:grid;grid-template-columns:minmax(0, 1.35fr) minmax(14rem, 0.65fr);gap:var(--sp-6);align-items:center;padding:var(--sp-5);overflow:hidden;background:linear-gradient(135deg, var(--accent-tint), transparent 42%),var(--surface-1);box-shadow:var(--shadow-1)}.series-nav--full::before{content:"";position:absolute;inset:0 0 auto;height:2px;background:var(--accent)}.series-nav__head{min-width:0}.series-nav__meta{display:flex;flex-wrap:wrap;gap:var(--sp-2) var(--sp-4);align-items:center;color:var(--ink-3);font-family:var(--font-mono);font-size:var(--step--2);font-variant-numeric:tabular-nums}.series-nav__status{padding:.2rem .45rem;color:var(--accent-hi);border:1px solid color-mix(in oklab, var(--accent) 45%, transparent);border-radius:var(--r-full);line-height:1.2}.series-nav__title{max-width:24ch;margin:var(--sp-3) 0 0;font-family:var(--font-display);font-size:var(--step-2);line-height:var(--lh-heading);letter-spacing:var(--ls-heading)}.series-nav__blurb{max-width:52ch;margin:var(--sp-3) 0 0;color:var(--ink-2);line-height:1.55}.series-nav--full .series-nav__list{align-self:stretch;display:grid;align-content:center;margin:0;padding-inline-start:clamp(var(--sp-5),3vw,var(--sp-7));border-inline-start:1px solid var(--line-strong)}.series-nav--full .series-nav__list>li{display:grid;grid-template-columns:1fr;gap:var(--sp-1);align-content:center;padding:var(--sp-3);border-radius:var(--r-md)}.series-nav--full ol.series-nav__list>li::before{content:"Part " counter(series, decimal-leading-zero);font-family:var(--font-mono);font-size:var(--step--2)}.series-nav--full ol.series-nav__list>li:has([aria-current=true])::before{content:"Current · " counter(series, decimal-leading-zero)}.series-nav--full .series-nav__list a{display:block;min-height:0}.series-nav--full .series-nav__list>li:has([aria-current=true]){background:var(--accent-tint)}.series-nav--full .series-nav__list>li+li{border-block-start:0}.post-shell>article>.series-nav--full.series-nav--multi{grid-template-columns:1fr;gap:var(--sp-5);align-items:start}.series-nav--multi .series-nav__title{max-width:none}.series-nav--multi .series-nav__blurb{max-width:60ch}.series-nav--full.series-nav--multi .series-nav__list{grid-template-columns:repeat(auto-fit, minmax(10rem, 1fr));gap:var(--sp-3);padding:var(--sp-5) 0 0;border-block-start:1px solid var(--line-strong);border-inline-start:0}.series-nav--multi .series-nav__list>li{align-content:start}@media(max-width: 44rem){.post-shell>article>.series-nav--full{grid-template-columns:1fr;gap:var(--sp-5);padding:var(--sp-5)}.series-nav--full .series-nav__list{padding:var(--sp-5) 0 0;border-block-start:1px solid var(--line-strong);border-inline-start:0}.series-nav--full.series-nav--multi .series-nav__list{grid-template-columns:1fr}}.author-card{padding:var(--card-pad);background:var(--surface-1);border:1px solid 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a:hover{color:var(--ink-1);text-decoration:underline;text-underline-offset:.2em}@media(max-width: 30rem){.share{display:grid;grid-template-columns:repeat(2, minmax(0, 1fr));gap:var(--sp-2)}.share>:first-child{grid-column:1/-1}.share a{justify-content:center;padding-inline:var(--sp-3);border:1px solid var(--line-strong);border-radius:var(--r-md)}.strip-links{display:grid;grid-template-columns:1fr;width:100%}.strip-links .btn{width:100%}}.staleness{display:flex;gap:var(--sp-3);padding:var(--sp-4) var(--sp-5);background:color-mix(in oklab, var(--c-warn) 7%, var(--surface-1));border:1px solid color-mix(in oklab, var(--c-warn) 24%, var(--line-strong));border-inline-start:3px solid var(--c-warn);border-radius:var(--card-radius);box-shadow:var(--shadow-1);font-size:var(--step--1);line-height:1.5;color:var(--ink-2)}.staleness p{margin:0}.case-glance{display:grid;grid-template-columns:minmax(7rem, max-content) 1fr;gap:var(--sp-3) 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strong{font-size:var(--step-0);line-height:1.25;color:var(--ink-1)}.system-flow__tech{font-family:var(--font-mono);font-size:var(--step--2);line-height:1.5;color:var(--accent);text-wrap:pretty}.system-flow__note{font-size:var(--step--1);line-height:1.5;color:var(--ink-2);text-wrap:pretty}@media(min-width: 48.001rem){.system-flow__step+.system-flow__step::before{content:"";position:absolute;inset-block-start:calc(var(--sp-5) + .55em);inset-inline-start:-0.45rem;width:.9rem;height:.9rem;background:var(--surface-1);border-block-start:1px solid var(--line-strong);border-inline-end:1px solid var(--line-strong);rotate:45deg}}@media(max-width: 48rem){.system-flow__track{grid-template-columns:1fr;border-block-end:0}.system-flow__step{grid-template-columns:2rem minmax(0, 1fr);gap:var(--sp-1) var(--sp-3);padding-inline:0}.system-flow__index{grid-column:1;grid-row:1}.system-flow__step>strong,.system-flow__tech,.system-flow__note{grid-column:2}.system-flow__step+.system-flow__step{border-inline-start:0;border-block-start:1px solid var(--line-strong)}.system-flow__index{grid-row:1/span 2}}@media(min-width: 48rem){.card-grid--work{grid-template-columns:repeat(2, minmax(0, 1fr))}}@media(min-width: 48rem){.card-grid--work>.case-card:nth-child(odd){border-inline-end:1px solid var(--line)}}.post-card{display:flex;flex-direction:column;gap:var(--card-gap);min-width:0;padding:var(--card-pad);background:var(--surface-1);border:1px solid var(--line-strong);border-radius:var(--card-radius);box-shadow:var(--shadow-1);transition:background-color var(--dur-2) var(--ease-standard),border-color var(--dur-2) var(--ease-standard),box-shadow var(--dur-2) var(--ease-standard),transform var(--dur-2) var(--ease-standard)}.post-card:hover{background:var(--surface-2);border-color:var(--line-control);box-shadow:var(--shadow-2);transform:translateY(-2px)}.post-card:has(a:focus-visible){outline:2px solid var(--focus);outline-offset:3px}.post-card:has(a:focus-visible) a:focus-visible{outline:none}.post-card__meta{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-2) var(--sp-3);font-size:var(--step--2);letter-spacing:.04em;color:var(--ink-3)}.post-card__title{min-width:0;margin:0;font-size:var(--step-1);font-weight:600;letter-spacing:var(--ls-heading);line-height:1.3}.post-card__title a{min-width:0;color:var(--ink-1);text-decoration:none;touch-action:manipulation;overflow-wrap:anywhere}.post-card:hover .post-card__title a,.case-card:hover .post-card__title a{color:var(--accent-hi)}.case-card:has(a:focus-visible){outline:2px solid var(--focus);outline-offset:3px}.case-card:has(a:focus-visible) a:focus-visible{outline:none}.post-card__desc{margin:0;font-size:var(--step--1);line-height:1.55;color:var(--ink-2);text-wrap:pretty}.post-card__time{margin:auto 0 0;padding-block-start:var(--sp-3);font-size:var(--step--2);color:var(--ink-3);font-variant-numeric:tabular-nums}.post-card__open{display:inline-flex;align-items:center;align-self:flex-start;gap:var(--sp-2);margin-block-start:var(--sp-2);font-size:var(--step--2);font-weight:650;color:var(--ink-3);transition:color var(--dur-1) var(--ease-standard),transform var(--dur-1) var(--ease-standard);pointer-events:none}.card-grid>.post-card{height:100%}.card-grid>.post-card>.post-card__cover{margin:calc(0rem - var(--card-pad)) calc(0rem - var(--card-pad)) var(--sp-2);overflow:hidden;background:var(--media-mat);border-block-end:1px solid var(--line-strong);border-radius:var(--card-radius) var(--card-radius) 0 0}.card-grid>.post-card>.post-card__cover picture,.card-grid>.post-card>.post-card__cover img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}.post-card:hover .post-card__open,.post-card:focus-within .post-card__open{color:var(--accent-hi);transform:translateX(2px)}.writing-feed{margin:0;padding:0;list-style:none;border-block-start:1px solid var(--line-strong)}.writing-feed>li{margin:0;border-block-end:1px solid var(--line-strong)}.writing-feed>li[hidden]{display:none}.writing-feed .post-card{display:grid;grid-template-columns:minmax(7.5rem, 9.5rem) minmax(8rem, 0.22fr) minmax(0, 1fr) auto;grid-template-rows:auto auto auto;gap:var(--sp-3) clamp(1.25rem,3vw,3rem);align-items:start;padding:clamp(1.5rem,3.5vw,2.5rem) var(--sp-3);background:rgba(0,0,0,0);border:0;border-radius:0}.writing-feed .post-card:hover{background:var(--surface-2);transform:none}.writing-feed .post-card__cover{grid-column:1;grid-row:1/span 3;overflow:hidden;background:var(--media-mat);border:1px solid var(--line-strong)}.writing-feed .post-card__cover picture,.writing-feed .post-card__cover img{display:block;width:100%;height:100%;min-height:5.5rem;object-fit:cover;aspect-ratio:16/9}.writing-feed .post-card__meta{grid-column:2;grid-row:1}.writing-feed .post-card__title{grid-column:3;grid-row:1;max-width:30ch;font-family:var(--font-display);font-variation-settings:"SOFT" 0,"WONK" 0;font-size:var(--step-2);letter-spacing:var(--ls-display);line-height:1.12}.writing-feed .post-card__desc{grid-column:3;grid-row:2;max-width:66ch}.writing-feed .post-card__tags{grid-column:3;grid-row:3}.writing-feed .post-card__time{grid-column:2;grid-row:2;margin:0;padding:0}.writing-feed .post-card__open{grid-column:4;grid-row:1/span 3;align-self:center;margin:0;white-space:nowrap}@media(max-width: 48rem){.writing-feed .post-card{grid-template-columns:minmax(0, 1fr) auto;gap:var(--sp-3) var(--sp-4);padding-inline:0}.writing-feed .post-card__cover{grid-column:1/span 2;grid-row:1}.writing-feed .post-card__meta,.writing-feed .post-card__title,.writing-feed .post-card__desc,.writing-feed .post-card__time,.writing-feed .post-card__tags{grid-column:1;grid-row:auto}.writing-feed .post-card__open{grid-column:2;grid-row:3/span 2}}@media(max-width: 30rem){.writing-feed .post-card{grid-template-columns:1fr}.writing-feed .post-card__cover,.writing-feed .post-card__open{grid-column:1;grid-row:auto}}.chip{display:inline-flex;align-items:center;gap:var(--sp-2);min-height:1.9rem;padding-inline:var(--sp-3);border:1px solid var(--line);border-radius:var(--r-full);background:var(--surface-1);font-size:var(--step--2);font-weight:500;line-height:1;letter-spacing:.02em;color:var(--ink-2);text-decoration:none;white-space:nowrap;transition:background-color var(--dur-1) var(--ease-standard),border-color var(--dur-1) var(--ease-standard),color var(--dur-1) 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