/* benhall.ca site stylesheet.
   Ruled Iris, with the recommended combination from the site-shell round:
   Header-B · Toc-C · Home-B · About-A · Archive-B · Search-A · Diagram-A · Syntax-B.
   Order: tokens, base, shell, page grid, prose elements, page types, narrow layout. */


/* ---------- Tokens ---------- */

:root {
  color-scheme: light;

  --sans: 'Atkinson Hyperlegible', Verdana, sans-serif;
  --mono: 'Atkinson Hyperlegible Mono', ui-monospace, 'SFMono-Regular', Consolas, monospace;

  --ink: #1A1A1A;
  --paper: #F5F7F9;
  --card: #FFFFFF;
  --muted: #474D54;
  --accent: #1B4FA0;
  --yellow: #F2D046;
  --line: var(--ink);
  --on-ink: #F5F7F9;
  --on-yellow: #1A1A1A;

  /* Diagram-A: inlined SVG reads these, so a diagram follows the theme. */
  --dg-ink: var(--ink);
  --dg-card: var(--card);
  --dg-muted: var(--muted);
  --dg-accent: var(--accent);

  /* Wide layout. The measure is 560px at an 18px body: 62–73 characters on the
     essay sample. It is 48ch, not 70ch, because Atkinson's zero is wide. */
  --rail: 220px;
  --gutter: 48px;
  --measure: 35rem;
  --pad-x: 96px;
  --pad-y: 88px;

  /* The widest the header, page and footer grow: 1280px less the padding.
     Past it the side padding grows instead, so a wide window shows the
     1280px layout centred rather than a header stretched away from the
     measure. The percentage resolves where --edge is used. */
  --frame: 1088px;
  --edge: max(var(--pad-x), (100% - var(--frame)) / 2);

  /* The header and footer end where the page grid ends (rail, gutter and
     measure: the right edge of the text and of .full blocks), not at the
     frame, so the header does not overhang the text on the right. --edge-end
     is the right padding that leaves exactly that width. */
  --grid: calc(var(--rail) + var(--gutter) + var(--measure));
  --edge-end: max(var(--edge), 100% - var(--edge) - var(--grid));

  --title: 3.375rem;    /* 54 */
  --h2: 2.5rem;         /* 40 */
  --h3: 1.875rem;       /* 30 */
  --h4: 1.4375rem;      /* 23 */
  --body: 1.125rem;     /* 18 */
  --lead: 1.3125rem;    /* 21 */
  --code: 0.875rem;     /* 14 */

  --h2-mt: 64px;
  --body-top: 40px;
  --foot-mt: 88px;
  --foot-pb: 40px;
  --dl-cols: max-content minmax(0, 1fr);
  --diagram-min: 0px;
  --table-min: 820px;
}

/* Dark follows the OS unless the theme control says Light; Dark always wins. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --ink: #F2F4F6;
    --paper: #131619;
    --card: #1C2126;
    --muted: #A3ACB6;
    --accent: #8FB6EE;
    --on-ink: #131619;
    --on-yellow: #131619;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #F2F4F6;
  --paper: #131619;
  --card: #1C2126;
  --muted: #A3ACB6;
  --accent: #8FB6EE;
  --on-ink: #131619;
  --on-yellow: #131619;
}


/* ---------- Base ---------- */

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

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--body);
  line-height: 1.6;
}

img { max-width: 100%; }

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

code { font-family: var(--mono); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: absolute;
  top: 8px;
  left: var(--edge);
  transform: translateY(-200%);
  padding: 4px 10px;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--card);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.75rem;
}
.skip:focus { transform: none; }


/* ---------- Header-B ---------- */

/* Wide: the name on its own ruled line, then a ruled strip of nav, search and
   theme. Narrow (below): name and theme on one line, nav under it. */
.site-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  grid-template-areas:
    "id  id id     id"
    "nav .  search theme";
  align-items: center;
  column-gap: 14px;
  padding: 0 var(--edge-end) 0 var(--edge);
  border-bottom: 2px solid var(--line);
}

.site-id {
  grid-area: id;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 26px 0 14px;
  border-bottom: 2px solid var(--line);
}

.site-name {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.site-domain {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--muted);
}

.site-nav {
  grid-area: nav;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 22px;
  margin: 9px 0;
}

.site-nav a {
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current] {
  border-bottom-color: var(--line);
  color: var(--ink);
  font-weight: 700;
}

.header-search { grid-area: search; margin: 9px 0; }

.search-field {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--card);
}
.search-field:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }

.search-field .slash {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
}

.search-field input {
  width: 150px;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.8125rem;
  -webkit-appearance: none;
  appearance: none;
}
.search-field input::placeholder { color: var(--muted); opacity: 1; }

/* One toggle. The moon shows in light, the sun in dark; with no stored
   choice the page follows the OS. */
.theme-toggle {
  grid-area: theme;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin: 9px 0;
  padding: 0;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2px;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
.theme-toggle[aria-pressed="true"] .icon-moon,
.theme-toggle[aria-pressed="false"] .icon-sun { display: none; }

/* The toggle needs script; without it the page follows the OS. */
html:not(.js) .theme-toggle { display: none; }


/* ---------- Footer ---------- */

.site-footer {
  margin-top: var(--foot-mt);
  padding: 0 var(--edge-end) var(--foot-pb) var(--edge);
  color: var(--muted);
}

.site-footer p {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  padding-top: 12px;
  border-top: 2px solid var(--line);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}


/* ---------- Page grid ---------- */

/* Rail, gutter, measure. Everything holds the measure unless marked .full. */
.page {
  display: grid;
  grid-template-columns: var(--rail) var(--gutter) minmax(0, var(--measure));
  padding: var(--pad-y) var(--edge) 0;
}
.page > * { grid-column: 3; min-width: 0; }
.page > .full { grid-column: 1 / -1; }

.page--docs { --h2-mt: 40px; }

.title {
  margin: 0;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line);
  font-size: var(--title);
  font-weight: 700;
  line-height: 1.05;
  text-wrap: balance;
}

.byline {
  margin: 16px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
}

.lead {
  margin: 20px 0 0;
  font-size: var(--lead);
  line-height: 1.55;
  text-wrap: pretty;
}

.section-label {
  margin: 48px 0 0;
  padding-top: 10px;
  border-top: 2px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}


/* ---------- Toc-C ---------- */

.toc {
  margin: 24px 0 0;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--card);
}

.toc summary {
  padding: 10px 16px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  list-style: none;
  cursor: pointer;
}
.toc summary::-webkit-details-marker { display: none; }

.toc ol {
  display: grid;
  row-gap: 7px;
  margin: 0;
  padding: 0 16px 14px 34px;
}
.toc li { font-size: 0.9375rem; line-height: 1.4; }


/* ---------- Prose ---------- */

/* A word longer than the column, such as a bare URL used as link text,
   breaks rather than widening the page. break-word, not anywhere, so it
   changes nothing that already fits. */
.prose { padding-top: var(--body-top); overflow-wrap: break-word; }
.prose ~ .prose { padding-top: 0; }
.lead + .prose { padding-top: 32px; }

.prose p { margin: 0 0 16px; text-wrap: pretty; }

.prose h2 {
  margin: var(--h2-mt) 0 20px;
  padding-top: 16px;
  border-top: 2px solid var(--line);
  font-size: var(--h2);
  font-weight: 700;
  line-height: 1.15;
  text-wrap: balance;
}

.prose h3 {
  margin: 48px 0 16px;
  font-size: var(--h3);
  font-weight: 700;
  line-height: 1.2;
}
.prose h2 + h3 { margin-top: 40px; }

.prose h4 {
  margin: 32px 0 12px;
  font-size: var(--h4);
  font-weight: 700;
  line-height: 1.25;
}

:not(pre) > code {
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--card);
  color: var(--ink);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

blockquote {
  margin: 48px 0;
  padding: 20px 0;
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  text-wrap: pretty;
}

.coda {
  margin: 40px 0 0;
  padding-top: 18px;
  border-top: 2px solid var(--line);
  color: var(--muted);
  font-size: 1rem;
  font-style: italic;
}
.prose p.coda { margin-bottom: 0; }

.literal {
  margin: 28px 0;
  padding: 16px 20px;
  overflow-x: auto;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--card);
  font-family: var(--mono);
  font-size: 0.875rem;
  line-height: 1.6;
}


/* ---------- Code blocks and Syntax-B ---------- */

.code {
  margin: 28px 0;
  overflow: hidden;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--card);
}

.code__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 7px 14px;
  border-bottom: 2px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.code__head > :first-child { margin-right: auto; }

/* Added by site.js, so there is no dead button without script. */
.copy {
  min-height: 24px;
  margin: -4px 0;
  padding: 0 8px;
  border: 2px solid currentColor;
  border-radius: 3px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}
.copy:hover { color: var(--ink); }

.code pre {
  margin: 0;
  padding: 18px 22px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: var(--code);
  line-height: 1.6;
}
.code--yaml pre { line-height: 1.7; }

/* Token roles. Only strings take colour; keywords and PlantUML arrows take
   weight. number, name, type, operator and punctuation stay ink, so
   .tk-num, .tk-name, .tk-type, .tk-op and .tk-punct need no rule. */
.tk-kw, .tk-arrow { font-weight: 600; }
.tk-str { color: var(--accent); }
.tk-com { color: var(--muted); }

.console .in { font-weight: 600; }
.console .out { color: var(--muted); }

/* Syntax-D: a language the highlighter has no grammar for ships plain, and
   says so with a dashed rule and "not highlighted" in the header row. */
.code--plain { border-style: dashed; }
/* The head row has only a bottom border. border-style is a four-side
   shorthand, so setting it here revived the other three at medium width. */
.code--plain .code__head { border-bottom-style: dashed; }

.scroll-hint {
  display: none;
  justify-content: flex-end;
  padding: 6px 14px;
  border-top: 2px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
}
.scroll-hint--bare { margin-bottom: 8px; padding: 0; border-top: 0; }

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 19px;
  height: 19px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--yellow);
  color: var(--on-yellow);
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1;
  vertical-align: middle;
}

.callouts {
  display: grid;
  row-gap: 14px;
  margin: 24px 0;
  padding: 0;
  list-style: none;
}
.callouts li {
  display: grid;
  grid-template-columns: 19px minmax(0, 1fr);
  column-gap: 12px;
  align-items: start;
}
.callouts .pill { margin-top: 4px; }


/* ---------- Admonitions ---------- */

/* Full 2px box on all four sides. Escalation is by fill: outline, yellow, ink. */
.admonition {
  margin: 28px 0;
  padding: 16px 20px;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--card);
}

.admonition__label {
  display: inline-block;
  padding: 3px 9px;
  border: 2px solid currentColor;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.prose .admonition p,
.admonition p {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  line-height: 1.55;
}

.admonition :not(pre) > code { background: var(--paper); }

.admonition--note,
.admonition--tip { border-color: var(--accent); }
.admonition--note .admonition__label,
.admonition--tip .admonition__label { color: var(--accent); }

.admonition--caution { background: var(--yellow); color: var(--on-yellow); }

.admonition--warning { background: var(--ink); color: var(--on-ink); }
.admonition--warning :not(pre) > code {
  padding: 0 4px;
  border: 2px solid var(--on-ink);
  background: transparent;
  color: inherit;
}


/* ---------- Figures and Diagram-A ---------- */

/* Essay figures: caption in the rail, image on the measure. */
.figure {
  display: grid;
  grid-template-columns: var(--rail) var(--gutter) minmax(0, var(--measure));
  grid-template-areas: "cap . img";
  margin: 40px 0 40px calc(-1 * (var(--rail) + var(--gutter)));
}
.figure > figcaption { grid-area: cap; padding-top: 2px; }
.figure > :not(figcaption) { grid-area: img; }

figcaption {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.fig-num { color: var(--accent); }

.placeholder {
  display: grid;
  place-items: center;
  padding: 16px;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--card) repeating-linear-gradient(135deg, transparent 0 7px, var(--paper) 7px 8px);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.5;
  text-align: center;
}

/* Diagrams break out across rail and measure (828px), caption underneath. */
.diagram {
  margin: 40px 0 40px calc(-1 * (var(--rail) + var(--gutter)));
}

.diagram__frame {
  padding: 18px;
  overflow-x: auto;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--card);
}
.diagram__frame > svg {
  display: block;
  width: 100%;
  height: auto;
  min-width: var(--diagram-min);
}

.diagram > figcaption { max-width: 35rem; margin-top: 10px; }

.diagram__hint {
  display: none;
  justify-content: space-between;
  margin-top: 6px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
}
.diagram__hint a { color: inherit; }


/* ---------- Tables and definition lists ---------- */

.table-wrap { margin: 0 0 8px; overflow-x: auto; }

.table-wrap table {
  width: 100%;
  min-width: var(--table-min);
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.table-wrap th {
  padding: 9px 10px;
  border-bottom: 2px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
  vertical-align: bottom;
}

/* Row separators are 1px muted, not 2px ink: the one stated departure. */
.table-wrap td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--muted);
  line-height: 1.45;
  vertical-align: top;
}
.table-wrap td:first-child {
  font-family: var(--mono);
  font-size: 0.75rem;
  white-space: nowrap;
}

.defs {
  display: grid;
  grid-template-columns: var(--dl-cols);
  row-gap: 10px;
  column-gap: 28px;
  margin: 24px 0;
}
.defs dt { font-family: var(--mono); font-size: 0.9375rem; font-weight: 500; }
.defs dd { margin: 0; color: var(--muted); text-wrap: pretty; }


/* ---------- Home-B ---------- */

.thesis {
  margin: 0;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
}
.thesis span { color: var(--muted); font-size: var(--body); font-weight: 400; }

.post-list,
.archive-list,
.results { margin: 0; padding: 0; list-style: none; }

.post-list li {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  column-gap: 18px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--muted);
}
.post-list a { font-weight: 700; line-height: 1.35; }
.post-list p { margin: 8px 0 0; color: var(--muted); text-wrap: pretty; }

/* The Archive chip on a mixed home list (ISS-51). The chip itself is
   Archive-B's, below; only the spacing beside the title is new. */
.post-list .chip { margin-left: 10px; }

.post-list time,
.archive-list time {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.cluster {
  margin-left: 10px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}


/* ---------- About-A ---------- */

.page--about .prose h2 { font-size: var(--h3); }

.inline-links {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}
.inline-links span { color: var(--muted); }
.prose p.inline-links { margin: 0; }


/* ---------- Archive-B ---------- */

.chip {
  padding: 2px 8px;
  border: 2px solid currentColor;
  border-radius: 3px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.chip--writing { color: var(--accent); }

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.archive-list li { padding: 20px 0; border-bottom: 1px solid var(--muted); }

.archive-list h2 {
  margin: 6px 0 0;
  font-size: var(--h4);
  font-weight: 700;
  line-height: 1.25;
}

/* Archive register: muted links and a label on every entry. */
.archive-list a { color: var(--muted); }

/* The archived post keeps Archive-A's outline notice, not a yellow fill. */
.notice { margin: 28px 0 0; }


/* ---------- Search-A ---------- */

.search-intro {
  margin: 16px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.search-form { margin: 24px 0 0; }
.search-form .search-field { gap: 10px; padding: 10px 14px; }
.search-form .slash { font-size: 0.75rem; }
.search-form input { width: 100%; font-size: 1rem; }

.search-form + noscript .admonition { margin: 24px 0 0; }

.results-count { margin-top: 28px; }

.results li { padding: 22px 0; border-bottom: 1px solid var(--muted); }

.results h2 {
  margin: 0;
  font-size: var(--h4);
  font-weight: 700;
  line-height: 1.25;
}

.results p { margin: 8px 0 0; color: var(--muted); text-wrap: pretty; }

mark {
  padding: 0 3px;
  border-radius: 3px;
  background: var(--yellow);
  color: var(--on-yellow);
  font-weight: 700;
}

.no-results {
  margin: 28px 0 0;
  padding-top: 16px;
  border-top: 2px solid var(--line);
}


/* ---------- Narrow, below 900px ---------- */

/* One breakpoint. The rail collapses, the measure becomes the column, and
   anything wider than the column scrolls inside its own box. */
@media (width < 56.25em) {
  :root {
    --rail: 0px;
    --gutter: 0px;
    --measure: 1fr;
    --grid: 100%;         /* 1fr cannot be added up; the grid is the column */
    --pad-x: 20px;
    --pad-y: 28px;

    --title: 2rem;        /* 32 */
    --h2: 1.625rem;       /* 26 */
    --h3: 1.3125rem;      /* 21 */
    --h4: 1.1875rem;      /* 19 */
    --body: 1.0625rem;    /* 17 */
    --lead: 1.125rem;     /* 18 */
    --code: 0.8125rem;    /* 13 */

    --h2-mt: 40px;
    --body-top: 26px;
    --foot-mt: 48px;
    --foot-pb: 28px;
    --dl-cols: minmax(0, 1fr);
    --diagram-min: 520px;
    --table-min: 640px;
  }

  .page--docs { --h2-mt: 32px; }

  /* A cluster name is wider than the title column at 400px. */
  .cluster { display: block; margin: 4px 0 0; white-space: normal; }

  /* No hamburger: four items and the theme control fit two rows. */
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "id  theme"
      "nav nav";
    padding: 16px var(--edge) 10px;
  }
  .site-id { gap: 10px; margin-bottom: 12px; padding: 0; border-bottom: 0; }
  .site-name { font-size: 1.1875rem; }
  .site-domain { font-size: 0.75rem; }
  .header-search { display: none; }
  .site-nav { gap: 16px; margin: 0; }
  .site-nav a { padding-bottom: 3px; letter-spacing: 0.06em; }

  .theme-toggle { width: 28px; height: 28px; margin: 0 0 12px; }

  .figure {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "img" "cap";
  }
  .figure > figcaption { padding-top: 10px; }

  .scroll-hint,
  .diagram__hint { display: flex; }
}