@import url("https://fonts.googleapis.com/css2?family=Schibsted+Grotesk:ital,wght@0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;600&display=fallback");

/* The palette of the site and of every figure. tools/site_figures.py reads the light values below as the fallback
   colours of the SVGs; on the page, each mark's class maps to these variables, so the figures follow the theme.
   HIT-ASR is the accent; MLP-pool and ADASTT keep their two hues everywhere; the experts carry no colour. */
:root {
  --hit-bg: #ffffff;
  --hit-ink: #1c2230;
  --hit-ink2: #434a5a;
  --hit-muted: #6b7180;
  --hit-faint: #9ba1ad;
  --hit-line: #c9ccd3;
  --hit-grid: #eceef1;
  --hit-wash: #f6f7f9;
  --hit-accent: #3355d6;
  --hit-accent-soft: #a3b3ee;
  --hit-accent-deep: #1f3596;
  --hit-tint: #eef1fc;
  --hit-on-accent: #ffffff;
  --hit-link: #2f4fc9;
  --hit-mlp: #b67b0c;
  --hit-ada: #23977f;
  --hit-single: #8b919c;
  --hit-regime-a: #434a5a;
  --hit-regime-b: #c9ccd3;
  --hit-regime-mix: #868c99;
}

[data-md-color-scheme="slate"] {
  --hit-bg: #171a21;
  --hit-ink: #e7e9ee;
  --hit-ink2: #c2c7d1;
  --hit-muted: #9aa0ad;
  --hit-faint: #6d7484;
  --hit-line: #3b414d;
  --hit-grid: #262b34;
  --hit-wash: #1c2028;
  --hit-accent: #5b78ee;
  --hit-accent-soft: #34488f;
  --hit-accent-deep: #a9b8ff;
  --hit-tint: #1e2640;
  --hit-on-accent: #ffffff;
  --hit-link: #93a6ff;
  --hit-mlp: #b9811f;
  --hit-ada: #2b9c80;
  --hit-single: #7d8492;
  --hit-regime-a: #c2c7d1;
  --hit-regime-b: #4a5160;
  --hit-regime-mix: #868c99;
}

/* ---------------------------------------------------------------- Material, mapped onto the palette */

:root {
  --md-text-font: "Schibsted Grotesk";
  --md-code-font: "JetBrains Mono";
}

[data-md-color-scheme="default"],
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: var(--hit-bg);
  --md-primary-fg-color--light: var(--hit-wash);
  --md-primary-fg-color--dark: var(--hit-grid);
  --md-primary-bg-color: var(--hit-ink);
  --md-primary-bg-color--light: var(--hit-muted);
  --md-accent-fg-color: var(--hit-accent);
  --md-accent-fg-color--transparent: color-mix(in srgb, var(--hit-accent) 10%, transparent);
  --md-accent-bg-color: var(--hit-on-accent);
  --md-typeset-a-color: var(--hit-link);
  --md-default-bg-color: var(--hit-bg);
  --md-typeset-color: var(--hit-ink);
  --md-default-fg-color: var(--hit-ink);
  --md-default-fg-color--light: var(--hit-muted);
  --md-default-fg-color--lighter: var(--hit-faint);
  --md-default-fg-color--lightest: var(--hit-grid);
  --md-footer-bg-color: var(--hit-wash);
  --md-footer-bg-color--dark: var(--hit-wash);
  --md-footer-fg-color: var(--hit-ink);
  --md-footer-fg-color--light: var(--hit-muted);
  --md-footer-fg-color--lighter: var(--hit-faint);
  --md-code-bg-color: var(--hit-wash);
  --md-typeset-table-color: var(--hit-line);
  --md-typeset-table-color--light: var(--hit-wash);
}

[data-md-color-scheme="slate"] {
  --md-hue: 222;
  --md-code-fg-color: var(--hit-ink2);
  --md-default-fg-color--light: var(--hit-muted);
}

body { background: var(--hit-bg); }

.md-header {
  box-shadow: none;
  border-bottom: 1px solid var(--hit-grid);
}
.md-header[data-md-state="shadow"], .md-header--shadow { box-shadow: none; }
.md-header__title { font-weight: 600; }
.md-tabs {
  border-bottom: 1px solid var(--hit-grid);
}
.md-tabs__link { font-size: .75rem; opacity: 1; color: var(--hit-muted); }
.md-tabs__item--active .md-tabs__link, .md-tabs__link:hover { color: var(--hit-ink); }
.md-tabs__item--active .md-tabs__link { font-weight: 600; }
.md-search__form { background-color: var(--hit-wash); border: 1px solid var(--hit-grid); }
.md-search__input { color: var(--hit-ink); }
.md-search__input::placeholder, .md-search__icon { color: var(--hit-muted); }
.md-footer { border-top: 1px solid var(--hit-grid); }
.md-footer-meta { background-color: var(--hit-wash); }
.md-nav__link--active, .md-nav__item .md-nav__link--active { color: var(--hit-accent); }

/* ---------------------------------------------------------------- Type */

.md-typeset {
  font-size: .85rem;
  line-height: 1.65;
}
.md-typeset h1 {
  font-weight: 700;
  font-size: 2.1em;
  letter-spacing: -.02em;
  line-height: 1.15;
  color: var(--hit-ink);
  margin-bottom: .8em;
}
.md-typeset h2 {
  font-weight: 600;
  font-size: 1.45em;
  letter-spacing: -.01em;
  line-height: 1.25;
  margin-top: 2.2em;
  text-wrap: balance;
}
.md-typeset h3 {
  font-weight: 600;
  font-size: 1.12em;
  margin-top: 1.8em;
}
.md-typeset h1, .md-typeset h2, .md-typeset h3 { text-wrap: balance; }
.md-typeset .hit-lede {
  font-size: 1.12em;
  line-height: 1.6;
  color: var(--hit-ink2);
  max-width: 68ch;
}
.md-typeset code { font-size: .82em; }
.md-typeset table:not([class]) { font-size: .74rem; }
.md-typeset table:not([class]) th { font-weight: 600; }

/* ---------------------------------------------------------------- Buttons */

.md-typeset .md-button, .hit-btn {
  display: inline-block;
  font-size: .72rem;
  font-weight: 500;
  padding: .5em 1.05em;
  border-radius: 6px;
  border: 1px solid var(--hit-line);
  color: var(--hit-ink);
  background: var(--hit-bg);
  text-decoration: none;
  transition: border-color .12s, background-color .12s;
}
.md-typeset .md-button:hover, .hit-btn:hover, .md-typeset .md-button:focus, .hit-btn:focus-visible {
  border-color: var(--hit-ink);
  color: var(--hit-ink);
  background: var(--hit-bg);
}
.md-typeset .md-button--primary, .hit-btn--primary {
  background: var(--hit-accent);
  border-color: var(--hit-accent);
  color: var(--hit-on-accent);
}
.md-typeset .md-button--primary:hover, .hit-btn--primary:hover, .hit-btn--primary:focus-visible {
  background: var(--hit-accent);
  border-color: var(--hit-ink);
  color: var(--hit-on-accent);
}
.hit-btn:focus-visible, .md-typeset .md-button:focus-visible { outline: 2px solid var(--hit-accent); outline-offset: 2px; }

/* ---------------------------------------------------------------- Home hero (overrides/home.html) */

.hit-hero {
  border-bottom: 1px solid var(--hit-grid);
}
.hit-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 2.4rem;
  align-items: center;
  padding: 3.2rem .8rem 2.8rem;
}
.hit-hero__status {
  font-size: .7rem;
  color: var(--hit-muted);
  margin: 0 0 .9rem;
}
.hit-hero h1 {
  font-size: 2.9rem;
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1;
  margin: 0;
  color: var(--hit-ink);
}
.hit-hero__subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.3;
  margin: .55rem 0 1.1rem;
  color: var(--hit-ink);
  text-wrap: balance;
}
.hit-hero__authors { font-size: .8rem; color: var(--hit-ink); margin: 0; }
.hit-hero__affil { font-size: .75rem; color: var(--hit-muted); margin: .1rem 0 0; }
.hit-hero__tldr {
  font-size: .9rem;
  line-height: 1.6;
  color: var(--hit-ink2);
  margin: 1.3rem 0 1.4rem;
  max-width: 34em;
}
.hit-hero__actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.hit-hero__figure { margin: 0; min-width: 0; }

/* the home page's own column: prose stays at a reading measure, figures run wider */
.md-content.hit-home { max-width: 46rem; margin: 0; }
.hit-home .md-content__inner { padding-top: 0; }
.hit-home .md-content__inner > h2:first-child { margin-top: 1.4em; }
.hit-home .md-typeset > p { max-width: 68ch; }
.hit-home .md-typeset h2 { margin-top: 2.4em; }

/* ---------------------------------------------------------------- Figures */

.md-typeset figure.hit-fig {
  margin: 1.6em 0 2em;
  max-width: 100%;
  display: block;
}
.hit-fig svg, .hit-hero__figure svg { width: 100%; height: auto; display: block; }
.md-typeset figure.hit-fig figcaption {
  max-width: 68ch;
  margin: .8em 0 0;
  font-size: .72rem;
  line-height: 1.5;
  color: var(--hit-muted);
  font-style: normal;
  text-align: left;
}
.hit-tall { display: none; }
@media screen and (max-width: 37.5em) {
  .hit-wide { display: none; }
  .hit-tall { display: block; }
  .hit-hero__grid { grid-template-columns: minmax(0, 1fr); gap: 1.4rem; padding: 2rem .8rem 1.8rem; }
  .hit-hero h1 { font-size: 2.3rem; }
  .hit-hero__subtitle { font-size: 1rem; }
}
@media screen and (min-width: 37.5em) and (max-width: 60em) {
  .hit-hero__grid { grid-template-columns: minmax(0, 1fr); }
  .hit-hero__figure { max-width: 34rem; }
}

/* every mark of a generated SVG carries a fallback hex and one of these classes */
.hit-svg text { font-family: var(--md-text-font-family); }
.hit-svg .f-ink { fill: var(--hit-ink); } .hit-svg .s-ink { stroke: var(--hit-ink); }
.hit-svg .f-ink2 { fill: var(--hit-ink2); } .hit-svg .s-ink2 { stroke: var(--hit-ink2); }
.hit-svg .f-muted { fill: var(--hit-muted); } .hit-svg .s-muted { stroke: var(--hit-muted); }
.hit-svg .f-faint { fill: var(--hit-faint); } .hit-svg .s-faint { stroke: var(--hit-faint); }
.hit-svg .f-line { fill: var(--hit-line); } .hit-svg .s-line { stroke: var(--hit-line); }
.hit-svg .f-grid { fill: var(--hit-grid); } .hit-svg .s-grid { stroke: var(--hit-grid); }
.hit-svg .f-bg { fill: var(--hit-bg); } .hit-svg .s-bg { stroke: var(--hit-bg); }
.hit-svg .f-wash { fill: var(--hit-wash); } .hit-svg .s-wash { stroke: var(--hit-wash); }
.hit-svg .f-accent { fill: var(--hit-accent); } .hit-svg .s-accent { stroke: var(--hit-accent); }
.hit-svg .f-accent-soft { fill: var(--hit-accent-soft); } .hit-svg .s-accent-soft { stroke: var(--hit-accent-soft); }
.hit-svg .f-accent-deep { fill: var(--hit-accent-deep); }
.hit-svg .f-tint { fill: var(--hit-tint); } .hit-svg .s-tint { stroke: var(--hit-tint); }
.hit-svg .f-on-accent { fill: var(--hit-on-accent); }
.hit-svg .f-mlp { fill: var(--hit-mlp); } .hit-svg .s-mlp { stroke: var(--hit-mlp); }
.hit-svg .f-ada { fill: var(--hit-ada); } .hit-svg .s-ada { stroke: var(--hit-ada); }
.hit-svg .f-single { fill: var(--hit-single); } .hit-svg .s-single { stroke: var(--hit-single); }
.hit-svg .f-regime-a { fill: var(--hit-regime-a); }
.hit-svg .f-regime-b { fill: var(--hit-regime-b); }
.hit-svg .f-regime-mix { fill: var(--hit-regime-mix); }

/* ---------------------------------------------------------------- Generated tables and stat strip */

.hit-table { margin: 1.2em 0 1.6em; }
.md-typeset .hit-table td.num { font-variant-numeric: tabular-nums; }
.md-typeset .hit-table table:not([class]) td,
.md-typeset .hit-table table:not([class]) th { white-space: nowrap; padding: .7em .9em; }
.md-typeset .hit-table td.num, .md-typeset .hit-table th.num { text-align: right; white-space: nowrap; }
.md-typeset .hit-table tr.hit-row td { background: var(--hit-tint); }
.md-typeset .hit-table tr.hit-row td.sys { font-weight: 600; }
.md-typeset .nw { white-space: nowrap; }
.md-typeset .hit-table tr.hit-group td { border-top: 1px solid var(--hit-line); }
.md-typeset .hit-table td.best { font-weight: 700; }
.md-typeset .hit-table th.grp { text-align: center; border-bottom: 1px solid var(--hit-line); }
.md-typeset .hit-table .hit-note { font-size: .7rem; color: var(--hit-muted); margin: .5em 0 0; }

.hit-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem 1.4rem;
  margin: 1.4em 0 1em;
}
.hit-stat { border-top: 2px solid var(--hit-ink); padding-top: .55rem; min-width: 0; }
.hit-stat__corpus { font-size: .72rem; font-weight: 600; color: var(--hit-ink); margin: 0 0 .35rem; }
.hit-stat__row { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem; }
.hit-stat__label { font-size: .68rem; color: var(--hit-muted); }
.hit-stat__value { font-size: 1.1rem; font-weight: 600; color: var(--hit-ink); }
.hit-stat__value--oracle { color: var(--hit-ink2); font-weight: 500; }
@media screen and (max-width: 45em) {
  .hit-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------------------------------------------------------------- Home: idea list and cards */

.md-typeset ul.hit-points {
  list-style: none;
  margin: 1.2em 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}
[dir] .md-typeset ul.hit-points > li { margin: 0; padding: 0; min-width: 0; }
.md-typeset ul.hit-points b { display: block; font-weight: 600; color: var(--hit-ink); margin-bottom: .25rem; }
.md-typeset ul.hit-points span { color: var(--hit-ink2); font-size: .8rem; line-height: 1.55; display: block; }
@media screen and (max-width: 45em) {
  .md-typeset ul.hit-points { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
}

.md-typeset .hit-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .8rem;
  margin: 1.4em 0;
}
.md-typeset .hit-card {
  display: block;
  border: 1px solid var(--hit-line);
  border-radius: 8px;
  padding: .9rem 1rem 1rem;
  color: var(--hit-ink);
  min-width: 0;
  transition: border-color .12s;
}
.md-typeset .hit-card:hover, .md-typeset .hit-card:focus-visible { border-color: var(--hit-ink); color: var(--hit-ink); }
.md-typeset .hit-card b { display: block; font-weight: 600; font-size: .85rem; margin-bottom: .3rem; }
.md-typeset .hit-card span { display: block; font-size: .72rem; line-height: 1.5; color: var(--hit-muted); }
@media screen and (max-width: 60em) {
  .md-typeset .hit-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media screen and (max-width: 30em) {
  .md-typeset .hit-cards { grid-template-columns: minmax(0, 1fr); }
}

/* ---------------------------------------------------------------- Method: tabs and math */

.md-typeset .tabbed-set { margin: 1.4em 0 1.8em; }
.md-typeset .tabbed-labels > label { font-size: .75rem; font-weight: 500; }
.md-typeset .tabbed-set > input:checked + label { color: var(--hit-accent); }
.md-typeset .tabbed-labels::before { background: var(--hit-accent); }
.md-typeset .arithmatex { overflow-x: auto; }

@media (prefers-reduced-motion: reduce) {
  .md-typeset .md-button, .hit-btn, .md-typeset .hit-card { transition: none; }
}