/*
 * Site styling for contested-nav.
 *
 * One accent (a desaturated teal) on a warm stone neutral, in a light and a dark scheme. Numbers are the content of
 * this site, so tables use tabular figures and a quiet grid, and paragraphs keep a readable measure. Nothing here
 * animates except colour, and nothing animates for a visitor who asks for reduced motion.
 */

:root {
  --nav-ink: #22211f;
  --nav-accent: #1d6b66;
  --nav-accent-soft: #e3efed;
  --nav-rule: #e4e0d8;
  --nav-rule-soft: #ece9e3;
  --nav-surface: #f3f1ec;
  --nav-measure: 72ch;
}

[data-md-color-scheme="default"] {
  --md-primary-fg-color: var(--nav-ink);
  --md-primary-fg-color--light: #4a4843;
  --md-primary-fg-color--dark: #151412;
  --md-primary-bg-color: #faf9f7;
  --md-accent-fg-color: var(--nav-accent);
  --md-default-bg-color: #faf9f7;
  --md-default-fg-color: #22211f;
  --md-default-fg-color--light: #5d5a54;
  --md-default-fg-color--lighter: #8a867e;
  --md-default-fg-color--lightest: var(--nav-rule);
  --md-typeset-color: #22211f;
  --md-typeset-a-color: var(--nav-accent);
  --md-code-bg-color: var(--nav-surface);
  --md-code-fg-color: #2c2a27;
  --md-footer-bg-color: #22211f;
}

[data-md-color-scheme="slate"] {
  --nav-ink: #1a1917;
  --nav-accent: #6fbfb5;
  --nav-accent-soft: #1f2b29;
  --nav-rule: #2e2c29;
  --nav-rule-soft: #252321;
  --nav-surface: #1c1b19;
  --md-hue: 40;
  --md-primary-fg-color: #1a1917;
  --md-primary-fg-color--light: #2a2825;
  --md-primary-fg-color--dark: #121110;
  --md-primary-bg-color: #e9e6e0;
  --md-accent-fg-color: var(--nav-accent);
  --md-default-bg-color: #131211;
  --md-default-fg-color: #e9e6e0;
  --md-default-fg-color--light: #b7b2a9;
  --md-default-fg-color--lighter: #7f7a72;
  --md-default-fg-color--lightest: var(--nav-rule);
  --md-typeset-color: #e0ddd6;
  --md-typeset-a-color: var(--nav-accent);
  --md-code-bg-color: var(--nav-surface);
  --md-code-fg-color: #dcd8d0;
  --md-footer-bg-color: #0f0e0d;
}

/* Type: a heavy, tight title; sentence-case headings that do not leave a lone word on the last line. */
.md-typeset h1 {
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--md-typeset-color);
  text-wrap: balance;
}
.md-typeset h2 {
  font-weight: 600;
  letter-spacing: -0.012em;
  text-wrap: balance;
  margin-top: 2.2em;
}
.md-typeset h3,
.md-typeset h4 {
  font-weight: 600;
  text-wrap: balance;
}
.md-typeset p,
.md-typeset li,
.md-typeset blockquote {
  text-wrap: pretty;
}
.md-typeset p,
.md-typeset ul,
.md-typeset ol,
.md-typeset blockquote {
  max-width: var(--nav-measure);
}

/* Tables carry the results. Tabular figures, a light grid, no zebra, a header that reads as a header. */
.md-typeset table:not([class]) {
  font-variant-numeric: tabular-nums;
  border: 0;
  border-top: 1px solid var(--nav-rule);
  border-bottom: 1px solid var(--nav-rule);
  box-shadow: none;
  font-size: 0.74rem;
}
.md-typeset table:not([class]) th {
  background: var(--nav-surface);
  font-weight: 600;
  color: var(--md-default-fg-color--light);
  border-bottom: 1px solid var(--nav-rule);
}
.md-typeset table:not([class]) td {
  border-top: 1px solid var(--nav-rule-soft);
}
.md-typeset table:not([class]) tbody tr {
  transition: background-color 120ms ease;
}
.md-typeset table:not([class]) tbody tr:hover {
  background: var(--nav-accent-soft);
}
.md-typeset__scrollwrap {
  margin: 1.2em 0;
}

/* Callouts: a rule and a tint, no icon colours of their own. */
.md-typeset .admonition,
.md-typeset details {
  border: 0;
  border-left: 3px solid var(--nav-accent);
  border-radius: 2px;
  box-shadow: none;
  background: var(--nav-accent-soft);
}
.md-typeset .admonition > .admonition-title,
.md-typeset details > summary {
  background-color: transparent !important;
  font-weight: 600;
}
.md-typeset .admonition-title::before,
.md-typeset summary::before {
  background-color: var(--nav-accent);
}
.md-typeset .admonition.warning {
  border-left-color: #9a6a1c;
  background: color-mix(in srgb, #9a6a1c 10%, var(--md-default-bg-color));
}
.md-typeset .admonition.warning .admonition-title::before {
  background-color: #9a6a1c;
}

/* Figures: flat, with a hairline, and never wider than the column. */
.md-typeset img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--nav-rule);
  border-radius: 3px;
  box-shadow: none;
}
/* Code: a hairline and a small radius on inline code, a larger radius on blocks. Mono is for code only. */
.md-typeset code {
  font-variant-numeric: tabular-nums;
  border: 1px solid var(--nav-rule-soft);
  border-radius: 4px;
  padding: 0 0.3em;
}
.md-typeset pre > code {
  border: 1px solid var(--nav-rule-soft);
  border-radius: 8px;
}
.md-typeset .highlight {
  border-radius: 8px;
}
.md-typeset .highlight pre {
  margin: 0;
}

/* Links and the keyboard. */
.md-typeset a {
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  text-decoration-color: color-mix(in srgb, var(--nav-accent) 45%, transparent);
  transition: text-decoration-color 150ms ease, color 150ms ease;
}
.md-typeset a:hover {
  text-decoration-color: currentColor;
}
.md-typeset .headerlink {
  text-decoration: none;
}
:focus-visible {
  outline: 2px solid var(--nav-accent);
  outline-offset: 2px;
}

/* The header is a quiet bar, not a banner. */
.md-header {
  box-shadow: none;
  border-bottom: 1px solid var(--nav-rule);
}
.md-tabs {
  border-bottom: 1px solid var(--nav-rule);
}
.md-nav__link--active {
  font-weight: 600;
}

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

@media print {
  .md-typeset p,
  .md-typeset ul,
  .md-typeset ol {
    max-width: none;
  }
}