/* Ergodic docs: a clean academic/technical look.
   Serif typeset content inside a sans app shell, restrained color, and a
   single brand-yellow accent. Chrome (tabs, sidebar) stays in Inter, set via
   theme.font.text; the article content below switches to a reading serif. */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&display=swap');

:root {
  --ergodic-ink: #1a1a1a;
  --ergodic-paper: #fcfbf7;
  --ergodic-yellow: #f5c518;          /* brand accent: swap for the exact hex */
  --ergodic-yellow-soft: #f5c51861;   /* the highlighter, ~38% alpha */
  --ergodic-rule: #e7e3d8;            /* warm hairline */

  /* Interactive accent Material reads in both schemes. */
  --md-accent-fg-color: #9a7d0a;
}

/* ---- Typography -------------------------------------------------------- */

.md-typeset {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-size: 0.85rem;
  line-height: 1.72;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4 {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.md-typeset h1 {
  font-weight: 700;
  color: var(--ergodic-ink);
}

/* A comfortable measure for long-form reading. */
.md-grid {
  max-width: 58rem;
}

/* ---- Color: the paper (light) scheme ----------------------------------- */

[data-md-color-scheme="default"] {
  --md-default-bg-color: var(--ergodic-paper);
  --md-typeset-color: var(--ergodic-ink);
}

/* Ink links with a thin underline, the textbook convention. Underline
   structure applies in both schemes; the ink color is light-scheme only. */
.md-typeset a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  text-decoration-color: var(--ergodic-rule);
  transition: text-decoration-color 120ms ease, text-decoration-thickness 120ms ease;
}
.md-typeset a:hover {
  text-decoration-color: var(--ergodic-yellow);
  text-decoration-thickness: 2px;
}
[data-md-color-scheme="default"] .md-typeset a,
[data-md-color-scheme="default"] .md-typeset a:hover {
  color: var(--ergodic-ink);
}

/* Yellow as a literal highlighter behind ==marked== key terms. */
.md-typeset mark {
  background: var(--ergodic-yellow-soft);
  color: inherit;
  padding: 0 0.1em;
}

/* The lone yellow marker on the active tab and the active sidebar item. */
.md-tabs__link--active {
  box-shadow: inset 0 -2px 0 var(--ergodic-yellow);
  opacity: 1;
}
.md-nav__item .md-nav__link--active {
  font-weight: 700;
}

/* ---- Components -------------------------------------------------------- */

/* Quieter, more bookish tables. */
.md-typeset table:not([class]) {
  border: 1px solid var(--ergodic-rule);
  font-size: 0.78rem;
}
.md-typeset table:not([class]) th {
  background: color-mix(in srgb, var(--ergodic-yellow) 9%, transparent);
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 600;
}

/* Blockquote as a margin note. */
.md-typeset blockquote {
  border-left: 2px solid var(--ergodic-yellow);
}

/* The pointillist logomark needs a little room to read in the header. */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 1.7rem;
  width: auto;
}

/* Inline code, a touch smaller against the serif body. */
.md-typeset code {
  font-size: 0.82em;
}

/* Grid cards: a hairline border that warms on hover, no heavy shadow. */
.md-typeset .grid.cards > ul > li,
.md-typeset .grid.cards > :is(ul, ol) > li {
  border: 1px solid var(--ergodic-rule);
  border-radius: 2px;
  box-shadow: none;
  transition: border-color 120ms ease;
}
.md-typeset .grid.cards > ul > li:hover,
.md-typeset .grid.cards > :is(ul, ol) > li:hover {
  border-color: var(--ergodic-yellow);
}