:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --text-bright: #e8e8e8;
  --text: #d0d0d0;
  --text-dim: #888;
  --text-faint: #797979;
  --text-trace: #797979;
  --rule: #222;
  --rule-soft: #1a1a1a;
  --accent: #ff9f1c;
  --accent-soft: rgba(255, 159, 28, 0.1);
  --scanline: rgba(255, 255, 255, 0.012);
  --selection: rgba(255, 159, 28, 0.24);
  --mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --mono-ui: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular,
    Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f7f7f7;
    --text-bright: #111;
    --text: #2b2b2b;
    --text-dim: #626262;
    --text-faint: #6f6f6f;
    --text-trace: #6f6f6f;
    --rule: #dedede;
    --rule-soft: #ededed;
    --accent: #a84f00;
    --accent-soft: rgba(168, 79, 0, 0.09);
    --scanline: rgba(0, 0, 0, 0.018);
    --selection: rgba(168, 79, 0, 0.18);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font-family: var(--mono);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::after {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 30;
  background: repeating-linear-gradient(
    0deg,
    var(--scanline) 0,
    var(--scanline) 1px,
    transparent 1px,
    transparent 3px
  );
}

a {
  color: inherit;
}

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.8rem;
  background: var(--text-bright);
  color: var(--bg);
  font-size: 0.7rem;
  text-decoration: none;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

::selection {
  color: var(--text-bright);
  background: var(--selection);
}

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-size: 13.5px;
  line-height: 1.65;
  letter-spacing: 0;
}

.page-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 22rem minmax(0, 1fr);
  min-height: 0;
}

.rail {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
  padding: 1.5rem 1.25rem 2rem;
  border-right: 1px solid var(--rule);
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--rule) transparent;
}

.rail-brand {
  width: 100%;
  margin: 0 0 1.1rem;
  padding: 0 0 1rem;
  border-bottom: 1px solid var(--rule);
  transition: color 120ms ease;
}

.rail-brand:hover,
.rail-brand:focus-visible {
  --brand-text: var(--accent);
  outline: none;
}

.mobile-doc-brand {
  display: none;
}

.toc {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.toc-link {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.18rem 0;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 120ms ease;
}

.toc-link:hover,
.toc-link:focus-visible {
  color: var(--accent);
  outline: none;
}

.toc-link[data-active="true"] {
  color: var(--text-bright);
}

.toc-num {
  color: var(--text-trace);
  font-variant-numeric: tabular-nums;
  font-size: 0.9em;
  text-align: right;
}

.toc-label {
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
  letter-spacing: 0;
}

.dim {
  color: var(--text-dim);
}

.bright {
  color: var(--text-bright);
}

.main {
  min-width: 0;
  max-width: 84ch;
  padding: 2rem 2.5rem 4rem;
}

.section {
  margin-bottom: 2.75rem;
  scroll-margin-top: 4rem;
}

.section-head {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
  font-family: "OCR-A Extended", var(--mono);
  letter-spacing: 0;
}

.section-num {
  color: var(--text-trace);
  font-size: 0.8em;
  font-variant-numeric: tabular-nums;
}

.section-title {
  margin: 0;
  color: var(--text-bright);
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.section-rule {
  height: 1px;
  background: linear-gradient(to right, var(--rule), var(--rule-soft) 60%, transparent);
}

.body-lines {
  counter-reset: line;
}

.body-lines > :not(.job),
.job > .entry-head,
.job > .entry-sub,
.job > .job-detail {
  counter-increment: line;
  position: relative;
  min-height: 1.65em;
  padding-left: 3rem;
}

.body-lines > :not(.job)::before,
.job > .entry-head::before,
.job > .entry-sub::before,
.job > .job-detail::before {
  content: counter(line, lower-roman);
  position: absolute;
  top: 0;
  left: 0;
  width: 2.25rem;
  color: var(--text-trace);
  text-align: right;
  font-size: 0.82em;
  line-height: 2;
  font-variant-numeric: tabular-nums;
  user-select: none;
}

.body-lines p {
  margin: 0;
}

.body-lines > .job {
  margin: 0;
}

.entry-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  margin-top: 0.5rem;
  color: var(--text-bright);
  text-align: left;
}

button.entry-head {
  cursor: pointer;
  border: 0;
  background: transparent;
}

.entry-head-clickable {
  user-select: none;
  transition: color 150ms ease, background-color 150ms ease;
}

.entry-head-clickable:hover,
.entry-head-clickable:focus-visible {
  color: var(--accent);
  outline: 1px dashed var(--accent);
  outline-offset: 4px;
}

.entry-head span:last-child {
  text-align: right;
  text-transform: uppercase;
}

.entry-sub {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-dim);
  font-style: italic;
}

.entry-sub span:last-child {
  text-transform: uppercase;
}

.current-badge {
  display: inline-block;
  margin-left: 0.6rem;
  padding: 0 0.4rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--mono-ui);
  font-size: 0.7em;
  font-style: normal;
  letter-spacing: 0;
  line-height: 1.45;
  text-transform: uppercase;
  vertical-align: 2px;
}

.job-toggle {
  color: var(--text-trace);
  font-family: var(--mono-ui);
  font-size: 0.9em;
}

.entry-head-clickable:hover .job-toggle,
.entry-head-clickable:focus-visible .job-toggle {
  color: var(--accent);
}

.job-detail {
  margin: 0.25rem 0 0.75rem;
  color: var(--text);
}

.job-detail::after {
  content: "";
  position: absolute;
  top: 0.35rem;
  bottom: 0.35rem;
  left: 3rem;
  width: 1px;
  background: var(--rule);
}

.job-detail p {
  padding-left: 1rem;
  color: var(--text);
}

.job-detail p {
  margin: 0.12rem 0;
}

.bullet-glyph {
  margin-right: 0.5rem;
  color: var(--text-faint);
}

.project-link,
.man-link {
  color: var(--text-bright);
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  transition: color 150ms ease, border-color 150ms ease;
}

.project-link {
  color: var(--accent);
  border-bottom-color: transparent;
}

.project-link:hover,
.project-link:focus-visible,
.man-link:hover,
.man-link:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
  outline: none;
}

.see-also {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
}

.sof,
.eof {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-trace);
  font-family: var(--mono-ui);
  font-size: 11px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.sof {
  margin-bottom: 2.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--rule);
}

.eof {
  margin-top: 2.5rem;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--rule);
}

.marker-link {
  color: var(--text-dim);
  text-align: right;
  text-decoration: none;
  transition: color 150ms ease;
}

.marker-link:hover,
.marker-link:focus-visible {
  color: var(--accent);
  outline: none;
}

.rail-brand:focus-visible,
.toc-link:focus-visible,
.mobile-doc-brand:focus-visible,
.project-link:focus-visible,
.man-link:focus-visible,
.marker-link:focus-visible {
  outline: 1px dashed var(--accent);
  outline-offset: 0.25rem;
}

@media (max-width: 900px) {
  .page-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .rail {
    display: none;
  }

  .main {
    max-width: 100%;
    padding: 1.5rem 1.25rem 3rem;
  }

  .mobile-doc-brand {
    width: fit-content;
    display: grid;
    justify-content: center;
    margin: 0 auto 2rem;
    text-align: center;
  }

  .mobile-doc-brand:hover,
  .mobile-doc-brand:focus-visible {
    --brand-text: var(--accent);
  }
}

@media (max-width: 640px) {
  .page-shell {
    font-size: 13px;
  }

  .section-head {
    grid-template-columns: auto minmax(0, auto) minmax(1rem, 1fr);
    gap: 0.55rem;
  }

  .section-title {
    overflow-wrap: anywhere;
    line-height: 1.25;
    white-space: normal;
  }

  .body-lines > :not(.job),
  .job > .entry-head,
  .job > .entry-sub,
  .job > .job-detail {
    padding-left: 2.55rem;
  }

  .body-lines > :not(.job)::before,
  .job > .entry-head::before,
  .job > .entry-sub::before,
  .job > .job-detail::before {
    width: 1.95rem;
  }

  .entry-head,
  .entry-sub {
    flex-direction: column;
    gap: 0.1rem;
  }

  .entry-head span:last-child,
  .entry-sub span:last-child {
    text-align: left;
    color: var(--text-dim);
    font-size: 0.92em;
  }

  .job-detail {
    margin-left: 0;
  }

  .job-detail::after {
    left: 2.55rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}