:root {
  --paper: oklch(7% 0.004 260);
  --paper-2: oklch(15.5% 0.006 260);
  --rule: oklch(29% 0.006 260);
  --ink: oklch(96.5% 0.002 260);
  --ink-2: oklch(71% 0.008 260);
  --accent: oklch(72% 0.18 52);
  --accent-tint: oklch(36% 0.08 52);
  --blue: oklch(72% 0.13 245);
  --blue-tint: oklch(32% 0.07 250);
  --ochre: oklch(80% 0.14 84);
  --ochre-ink: oklch(82% 0.13 84);
  --grid: oklch(78% 0.14 58 / 0.16);

  --s1: 0.5rem;
  --s2: 2rem;
  --s3: 8rem;
  --gutter: 16px;

  --display: "Geist", system-ui, sans-serif;
  --sans: "Geist", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; background: var(--paper); }

body {
  margin: 0;
  background: transparent;
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--sans);
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 100% 30%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 90% at 100% 30%, #000 10%, transparent 75%);
}

img, svg { max-width: 100%; }

h1, h2, h3, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }

a { color: inherit; text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 1.5px; text-underline-offset: 0.22em; transition: text-decoration-thickness 140ms, color 140ms; }
a:hover { text-decoration-thickness: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip { position: absolute; left: var(--gutter); top: -4rem; background: var(--ink); color: var(--paper); padding: var(--s1) 1rem; z-index: 10; }
.skip:focus { top: var(--s1); }

.mono, .meta { font-family: var(--mono); font-size: 0.8125rem; line-height: 1.55; font-variant-numeric: tabular-nums; }
.label { font-family: var(--mono); font-size: 0.8125rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.red { color: var(--accent); }
.blue { color: var(--blue); }
.num { font-family: var(--mono); font-size: 0.92em; font-variant-numeric: tabular-nums; }

.sheet {
  display: grid;
  grid-template-columns:
    [full-start] minmax(var(--gutter), 1fr)
    [rail-start] minmax(0, 11rem)
    [rail-end text-start] minmax(0, 40rem)
    [text-end fig-start] minmax(0, 21rem)
    [fig-end] minmax(var(--gutter), 1fr) [full-end];
  column-gap: var(--s2);
}
.sheet > * { grid-column: text; min-width: 0; }
.sheet > .rail { grid-column: rail; }
.sheet > .fig { grid-column: fig; }
.sheet > .wide { grid-column: text-start / fig-end; }

@media (max-width: 1179px) {
  .sheet {
    grid-template-columns:
      [full-start] minmax(var(--gutter), 1fr)
      [rail-start] minmax(0, 9rem)
      [rail-end text-start fig-start] minmax(0, 42rem)
      [text-end fig-end] minmax(var(--gutter), 1fr) [full-end];
  }
  .sheet > .fig { margin-top: var(--s2); }
}

@media (max-width: 759px) {
  :root { --s3: 4.5rem; }
  body { font-size: 1rem; }
  .sheet {
    grid-template-columns: [full-start] var(--gutter) [rail-start text-start fig-start] minmax(0, 1fr) [rail-end text-end fig-end] var(--gutter) [full-end];
    column-gap: 0;
  }
  .sheet > .rail { margin-bottom: var(--s1); }
}

.masthead { padding-block: 1.5rem; }
.masthead .sheet { align-items: baseline; row-gap: var(--s1); }
.masthead .brand { grid-row: 1; font-family: var(--display); font-weight: 600; font-size: 1.0625rem; letter-spacing: -0.01em; text-decoration: none; white-space: nowrap; }
.masthead nav { grid-column: text-start / fig-end; }
.masthead nav ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; }
.masthead nav a { font-family: var(--mono); font-size: 0.8125rem; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; color: var(--ink-2); }
.masthead nav a:hover, .masthead nav a[aria-current] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 1.5px; }
@media (max-width: 759px) { .masthead nav { grid-row: 2; } }

.front { padding-top: 9rem; padding-bottom: var(--s3); row-gap: var(--s2); }
.front .intro { grid-column: text; }
.front h1 { font-family: var(--display); font-weight: 600; font-size: clamp(3rem, 6vw, 5.25rem); line-height: 0.98; letter-spacing: -0.045em; }
.front h1 { position: relative; z-index: 1; }
.front h1 .name { display: inline-block; }
.portrait { display: block; position: relative; z-index: 0; width: clamp(150px, 17vw, 240px); height: auto; aspect-ratio: 1; object-fit: cover; margin-bottom: calc(clamp(3rem, 6vw, 5.25rem) * -0.55); -webkit-mask-image: linear-gradient(to bottom, #000 45%, transparent 97%); mask-image: linear-gradient(to bottom, #000 45%, transparent 97%); }
.measure { display: flex; align-items: center; gap: 0.6rem; width: var(--name-w, 100%); max-width: 100%; margin-top: 1rem; color: var(--accent); font-family: var(--mono); font-size: 0.75rem; font-variant-numeric: tabular-nums; }
.measure .ml { flex: 1; height: 9px; background: linear-gradient(currentColor, currentColor) center / 100% 1px no-repeat; }
.measure .ml:first-child { border-left: 1px solid; }
.measure .ml:last-child { border-right: 1px solid; }
.spec { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 0.25rem 1.5rem; margin-top: 1.75rem; font-family: var(--mono); font-size: 0.8125rem; letter-spacing: 0.06em; text-transform: uppercase; }
.spec dt { color: var(--ink-2); }
.spec dd { color: var(--ink); }
.front .lede { margin-top: var(--s2); font-size: 1.1875rem; line-height: 1.55; max-width: 36rem; }
.navline { margin-top: var(--s2); font-family: var(--mono); font-size: 0.8125rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); display: flex; flex-wrap: wrap; gap: 0.25rem 0; }
.navline a { text-decoration: none; color: var(--ink-2); }
.navline a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); }
.navline span { padding-inline: 0.7rem; }
.navline span:first-child { display: none; }
.latest { margin-top: 3rem; }
.log-list { list-style: none; padding: 0; margin-top: 0.9rem; font-family: var(--mono); font-size: 0.8125rem; }
.log-list a { display: grid; grid-template-columns: 6.6rem 5.6rem minmax(0, 1fr); gap: 0.75rem; padding-block: 0.55rem; border-top: 1px solid var(--rule); text-decoration: none; line-height: 1.45; }
.log-list li:last-child a { border-bottom: 1px solid var(--rule); }
.log-list time { color: var(--ink-2); }
.log-list .lv { letter-spacing: 0.06em; }
.log-list a:hover .msg { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 1.5px; text-underline-offset: 0.25em; }
.log-more { margin-top: 0.9rem; font-family: var(--mono); font-size: 0.8125rem; }
.log-more a { color: var(--ink-2); text-decoration: none; }
.log-more a:hover { color: var(--ink); }
@media (max-width: 759px) { .log-list a { grid-template-columns: 5.6rem minmax(0, 1fr); } .log-list time { display: none; } }

.part { padding-bottom: 4.5rem; border-top: 1px solid var(--rule); }
.part-head { padding-top: 4.5rem; margin-bottom: var(--s2); row-gap: var(--s1); }
.part-head .rail { font-family: var(--mono); font-size: 0.8125rem; letter-spacing: 0.08em; color: var(--accent); padding-top: 0.75rem; }
.part-head h2 { font-family: var(--display); font-weight: 600; font-size: clamp(1.9rem, 3.4vw, 2.75rem); line-height: 1.05; letter-spacing: -0.035em; text-wrap: balance; }
.part-head p { color: var(--ink-2); margin-top: 0.75rem; max-width: 38rem; }
.alt { background: var(--paper-2); }

.entry { border-top: 1px solid var(--rule); padding-block: var(--s2); }
.entry .rail .meta { color: var(--ink-2); text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.75rem; }
.entry .rail .meta strong { color: var(--ink); font-weight: 500; display: block; }
.entry h3 { font-family: var(--display); font-weight: 600; font-size: 1.375rem; line-height: 1.25; letter-spacing: -0.02em; text-wrap: balance; }
.entry .context { color: var(--ink-2); margin-top: 0.35rem; }
.entry ul { padding-left: 1.1rem; margin-top: 1rem; }
.entry > div > ul:first-child { margin-top: 0; }
.entry li { margin-top: var(--s1); }
.entry li::marker { color: var(--accent); }
.entry .stack { margin-top: 1rem; color: var(--ink-2); font-size: 0.75rem; letter-spacing: 0.04em; }

.fig { align-self: start; }
.fig svg { display: block; width: 100%; height: auto; overflow: visible; }
.fig figcaption { font-size: 0.875rem; line-height: 1.5; color: var(--ink-2); margin-top: 0.75rem; }
.fig figcaption b { font-family: var(--mono); font-weight: 500; font-size: 0.75rem; letter-spacing: 0.08em; color: var(--ink); margin-right: 0.4rem; }
.fig text { font-family: var(--mono); font-size: 11px; fill: var(--ink-2); }
.fig .t-ink { fill: var(--ink); }
.fig .t-red { fill: var(--accent); }
.fig .t-blue { fill: var(--blue); }
.fig .hair { stroke: var(--rule); stroke-width: 1; fill: none; }
.fig .line-ink { stroke: var(--ink-2); stroke-width: 1; fill: none; }
.fig .f-red { fill: var(--accent); }
.fig .f-blue { fill: var(--blue); }
.fig .f-redt { fill: var(--accent-tint); }
.fig .f-bluet { fill: var(--blue-tint); }
.fig .f-ochre { fill: var(--ochre); }
.fig .f-ochre + text { fill: var(--paper); }

.figtable { width: 100%; border-collapse: collapse; margin-top: var(--s2); font-family: var(--mono); font-size: 0.8125rem; font-variant-numeric: tabular-nums; }
.figtable caption { text-align: left; font-size: 0.875rem; color: var(--ink-2); padding-bottom: var(--s1); }
.figtable td { border-top: 1px solid var(--rule); padding: 0.4rem 0; color: var(--ink-2); }
.figtable td + td { text-align: right; color: var(--blue); }

.index { columns: 2 15rem; column-gap: var(--s2); }
.index div { break-inside: avoid; padding-block: 0.75rem; border-top: 1px solid var(--rule); }
.index dt { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.index dd { margin-top: 0.25rem; color: var(--ink); }

.works .entry h3 { font-family: var(--mono); font-weight: 500; font-size: 1.0625rem; letter-spacing: 0; }
.works .entry .where { font-family: var(--mono); font-size: 0.8125rem; color: var(--ink-2); margin-top: 0.5rem; }

.notes-list { list-style: none; padding: 0; }
.notes-list li { border-top: 1px solid var(--rule); }
.notes-list a { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.3rem; padding-block: 1.25rem; text-decoration: none; }
.notes-list .t { font-family: var(--display); font-size: 1.3125rem; line-height: 1.25; font-weight: 600; letter-spacing: -0.02em; }
.notes-list a:hover .t { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 1.5px; text-underline-offset: 0.2em; }
.notes-list .d { color: var(--ink-2); }
.notes-list .m { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.tag-python { color: var(--blue); }
.tag-kotlin { color: var(--accent); }
.tag-thoughts { color: var(--ochre-ink); }

.colophon { padding-block: 4.5rem var(--s3); border-top: 1px solid var(--rule); row-gap: var(--s2); }
.colophon .rail { font-family: var(--mono); font-size: 0.8125rem; letter-spacing: 0.08em; color: var(--accent); padding-top: 0.75rem; }
.colophon h2 { font-family: var(--display); font-weight: 600; font-size: clamp(1.9rem, 3.4vw, 2.75rem); line-height: 1.05; letter-spacing: -0.035em; text-wrap: balance; }
.colophon dl { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 0.6rem 1.5rem; margin-top: var(--s2); }
.colophon dt { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); padding-top: 0.2rem; }
.colophon dd { overflow-wrap: anywhere; }

.foot { padding-block: 1.5rem 2.5rem; color: var(--ink-2); }
.foot p { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); }

.page-head { padding-top: 7rem; padding-bottom: var(--s2); row-gap: var(--s1); }
.page-head h1 { font-family: var(--display); font-weight: 600; font-size: clamp(2.5rem, 5.2vw, 4.25rem); line-height: 1; letter-spacing: -0.04em; text-wrap: balance; }
.page-head h1 em { font-style: normal; text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 0.06em; text-underline-offset: 0.12em; }
.page-head .lede { font-size: 1.1875rem; line-height: 1.55; max-width: 36rem; color: var(--ink-2); margin-top: 1.5rem; }
.page-head .rail .meta { color: var(--ink-2); text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.75rem; }
.page-head .rail a { text-decoration: none; }

.rubrics { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: var(--s2); }
.rubrics a { display: block; border-top: 2px solid currentColor; padding-top: 0.75rem; text-decoration: none; }
.rubrics .n { font-family: var(--display); font-weight: 600; font-size: 1.5rem; letter-spacing: -0.02em; }
.rubrics .c { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-2); }
.rubrics p { color: var(--ink-2); margin-top: 0.25rem; font-size: 0.9375rem; }

.article-body { padding-top: var(--s2); padding-bottom: var(--s3); }
.article-body > .rail .meta { color: var(--ink-2); position: sticky; top: var(--s2); text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.75rem; }
.article-body > .rail .meta span { display: block; }
.toc { position: sticky; top: var(--s2); border-top: 1px solid var(--rule); padding-top: 0.75rem; }
.toc ol { list-style: none; padding: 0; counter-reset: toc; }
.toc li { counter-increment: toc; margin-top: 0.45rem; font-size: 0.875rem; line-height: 1.4; display: grid; grid-template-columns: 2.4rem minmax(0, 1fr); }
.toc li::before { content: counter(toc, decimal-leading-zero); font-family: var(--mono); font-size: 0.75rem; color: var(--ink-2); padding-top: 0.1rem; }
.toc a { text-decoration: none; color: var(--ink-2); }
.toc a:hover, .toc a.on { color: var(--ink); }
.toc a.on { text-decoration: underline; text-decoration-color: var(--accent); }
@media (max-width: 1179px) { .toc { display: none; } }

.article-content { font-size: 1.125rem; line-height: 1.7; }
.article-content p + p, .article-content p + ul, .article-content ul + p, .article-content p.mt-5 { margin-top: 1.25rem; }
.article-content h2 { font-family: var(--display); font-weight: 600; font-size: 1.875rem; line-height: 1.15; letter-spacing: -0.03em; margin: 3.5rem 0 1rem; padding-top: 1.25rem; border-top: 1px solid var(--rule); scroll-margin-top: var(--s2); text-wrap: balance; }
.article-content h3 { font-family: var(--display); font-weight: 600; font-size: 1.3125rem; line-height: 1.3; letter-spacing: -0.015em; margin: 2.5rem 0 0.75rem; }
.article-content ul, .article-content ol { margin: 1rem 0 1.5rem; padding-left: 1.25rem; }
.article-content li + li { margin-top: 0.4rem; }
.article-content li::marker { color: var(--accent); }
.article-content strong { font-weight: 600; }
.article-content code:not(pre code) { font-family: var(--mono); font-size: 0.86em; background: var(--paper-2); border: 1px solid var(--rule); padding: 0.05rem 0.3rem; border-radius: 3px; }
.article-content blockquote { margin: 2.5rem 0; padding: 0.25rem 0 0.25rem 1.5rem; border-left: 2px solid var(--accent); font-family: var(--display); font-size: 1.5rem; line-height: 1.35; font-weight: 500; letter-spacing: -0.02em; }

.copyable-code { margin: 1.75rem 0; background: var(--paper-2); border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; }
@media (min-width: 760px) { .copyable-code { margin-right: -4rem; } }
.copyable-code header { display: flex; justify-content: space-between; align-items: center; padding: 0.5rem 1rem; border-bottom: 1px solid var(--rule); }
.copyable-code .code-lang { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.copyable-code pre { margin: 0; padding: 1rem; overflow-x: auto; }
.copyable-code code { display: block; min-width: max-content; font-family: var(--mono); font-size: 0.875rem; line-height: 1.7; color: var(--ink); background: none; }
.copy-button { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; background: transparent; color: var(--ink-2); border: 1px solid var(--rule); border-radius: 4px; padding: 0.3rem 0.6rem; cursor: pointer; }
.copy-button:hover { border-color: var(--ink-2); color: var(--ink); }

.hljs-keyword, .hljs-built_in, .hljs-literal, .hljs-type { color: var(--blue); }
.hljs-string, .hljs-meta, .hljs-meta .hljs-keyword { color: var(--accent); }
.hljs-comment { color: var(--ink-2); font-style: italic; }
.hljs-number { color: var(--ochre-ink); }
.hljs-title, .hljs-title.function_, .hljs-title.class_ { color: var(--ink); font-weight: 600; }
.hljs-params, .hljs-variable, .hljs-attr { color: var(--ink); }
.dsl-scope { color: var(--blue); font-weight: 600; }
.dsl-subject { color: var(--ink); text-decoration: underline; text-decoration-color: var(--rule); }
.dsl-builder { color: var(--ochre-ink); }
.dsl-infix { color: var(--accent); font-weight: 600; }
.dsl-assertion { color: var(--accent); font-weight: 600; font-style: italic; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}