/* DM Sans — used for the hero title and navbar site name only.
   Weights 500 (navbar) and 600 (hero display). */
@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600&display=swap");

/* Supplement Google-Fonts JetBrains Mono with box-drawing + block glyphs.
   Google Fonts ships only latin/cyrillic/greek/vietnamese subsets, so chars in
   U+2500–25FF (used by Rich tables, etc.) otherwise fall back to system mono
   with mismatched metrics. Served via jsDelivr's GitHub mirror, pinned to a
   tagged release for reproducibility. */
@font-face {
  font-family: "JetBrains Mono";
  src: url("https://cdn.jsdelivr.net/gh/JetBrains/JetBrainsMono@v2.304/fonts/webfonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+2500-257F, U+2580-259F, U+25A0-25FF;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("https://cdn.jsdelivr.net/gh/JetBrains/JetBrainsMono@v2.304/fonts/webfonts/JetBrainsMono-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+2500-257F, U+2580-259F, U+25A0-25FF;
}

/* Light mode: red accent on soft gray background from logo palette. */
[data-md-color-scheme="default"] {
  --md-primary-fg-color: #d93a54;
  --md-primary-fg-color--light: #f5c2ca;
  --md-primary-fg-color--dark: #a82d3f;
  --md-accent-fg-color: #d93a54;
  --md-accent-fg-color--transparent: rgba(217, 58, 84, 0.1);
  --md-accent-bg-color: #fff;
  --md-accent-bg-color--light: rgba(255, 255, 255, 0.7);
  --md-default-bg-color: #f8f9fb;
  --md-default-bg-color--light: #f8f9fb;
  --md-default-bg-color--lighter: #edf0f5;
  --md-default-bg-color--lightest: #e3e7f0;
  --md-code-bg-color: #e3e7f0;
}

/* Dark mode: brighter red accent on near-black background from logo palette. */
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #e94b5f;
  --md-primary-fg-color--light: #f5c2ca;
  --md-primary-fg-color--dark: #d93a54;
  --md-accent-fg-color: #e94b5f;
  --md-accent-fg-color--transparent: rgba(233, 75, 95, 0.1);
  --md-accent-bg-color: #fff;
  --md-accent-bg-color--light: rgba(255, 255, 255, 0.7);
  --md-default-bg-color: #090c10;
  --md-default-bg-color--light: #090c10;
  --md-default-bg-color--lighter: #111720;
  --md-default-bg-color--lightest: #1a2030;
  --md-code-bg-color: #111720;
}

/* ── Header ───────────────────────────────────────────────────────────────── */

/* The modern theme uses --md-default-bg-color--light for the header, which
   differs from the page background we set. Pin it to the page background. */
.md-header {
  background-color: var(--md-default-bg-color);
}

/* ── Logo ─────────────────────────────────────────────────────────────────── */

/* Remove the default padding so the 2rem logo fits inside the 2.4rem header
   without inflating the navbar height (total = 2rem image + 2×0.2rem margin). */
.md-header__button.md-logo {
  padding: 0;
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 2rem;
}

/* ── Navbar title ─────────────────────────────────────────────────────────── */

/* Increase the site name font size to match the 2rem logo visually. */
.md-header__title,
.md-header__title .md-header__topic {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.35rem;
  font-weight: 500;
}

/* Accent span injected by docs/javascripts/theme.js to color "fUSI" red. */
.fusi-accent {
  color: var(--md-primary-fg-color);
}

/* ── Links ────────────────────────────────────────────────────────────────── */

.md-typeset a {
  text-decoration: none;
}

/* TODO: make this work */
.doc-signature .autorefs a {
  text-decoration: underline;
  text-decoration-style: dotted;
}

/* ── Admonition color overrides using logo palette ────────────────────────── */
/* Zensical modern puts the tint on the container, not the title bar.
   Only override: container background, icon (::before), and chevron (::after). */

/* note / abstract / summary / tldr / info / todo: logo blue. */
.md-typeset .admonition.note,
.md-typeset details.note,
.md-typeset .admonition.abstract,
.md-typeset details.abstract,
.md-typeset .admonition.summary,
.md-typeset details.summary,
.md-typeset .admonition.tldr,
.md-typeset details.tldr,
.md-typeset .admonition.info,
.md-typeset details.info,
.md-typeset .admonition.todo,
.md-typeset details.todo {
  background-color: rgba(0, 153, 229, 0.1);
}
.md-typeset .note > .admonition-title::before,
.md-typeset .note > summary::before,
.md-typeset .abstract > .admonition-title::before,
.md-typeset .abstract > summary::before,
.md-typeset .summary > .admonition-title::before,
.md-typeset .summary > summary::before,
.md-typeset .tldr > .admonition-title::before,
.md-typeset .tldr > summary::before,
.md-typeset .info > .admonition-title::before,
.md-typeset .info > summary::before,
.md-typeset .todo > .admonition-title::before,
.md-typeset .todo > summary::before {
  background-color: #0099e5;
}
.md-typeset .note > .admonition-title::after,
.md-typeset .note > summary::after,
.md-typeset .abstract > .admonition-title::after,
.md-typeset .abstract > summary::after,
.md-typeset .summary > .admonition-title::after,
.md-typeset .summary > summary::after,
.md-typeset .tldr > .admonition-title::after,
.md-typeset .tldr > summary::after,
.md-typeset .info > .admonition-title::after,
.md-typeset .info > summary::after,
.md-typeset .todo > .admonition-title::after,
.md-typeset .todo > summary::after {
  color: #0099e5;
}

/* tip / hint / important / success / check / done: logo teal. */
.md-typeset .admonition.tip,
.md-typeset details.tip,
.md-typeset .admonition.hint,
.md-typeset details.hint,
.md-typeset .admonition.important,
.md-typeset details.important,
.md-typeset .admonition.success,
.md-typeset details.success,
.md-typeset .admonition.check,
.md-typeset details.check,
.md-typeset .admonition.done,
.md-typeset details.done {
  background-color: rgba(58, 217, 164, 0.1);
}
.md-typeset .tip > .admonition-title::before,
.md-typeset .tip > summary::before,
.md-typeset .hint > .admonition-title::before,
.md-typeset .hint > summary::before,
.md-typeset .important > .admonition-title::before,
.md-typeset .important > summary::before,
.md-typeset .success > .admonition-title::before,
.md-typeset .success > summary::before,
.md-typeset .check > .admonition-title::before,
.md-typeset .check > summary::before,
.md-typeset .done > .admonition-title::before,
.md-typeset .done > summary::before {
  background-color: #3ad9a4;
}
.md-typeset .tip > .admonition-title::after,
.md-typeset .tip > summary::after,
.md-typeset .hint > .admonition-title::after,
.md-typeset .hint > summary::after,
.md-typeset .important > .admonition-title::after,
.md-typeset .important > summary::after,
.md-typeset .success > .admonition-title::after,
.md-typeset .success > summary::after,
.md-typeset .check > .admonition-title::after,
.md-typeset .check > summary::after,
.md-typeset .done > .admonition-title::after,
.md-typeset .done > summary::after {
  color: #3ad9a4;
}

/* question / help / faq: logo blue (informational). */
.md-typeset .admonition.question,
.md-typeset details.question,
.md-typeset .admonition.help,
.md-typeset details.help,
.md-typeset .admonition.faq,
.md-typeset details.faq {
  background-color: rgba(0, 153, 229, 0.1);
}
.md-typeset .question > .admonition-title::before,
.md-typeset .question > summary::before,
.md-typeset .help > .admonition-title::before,
.md-typeset .help > summary::before,
.md-typeset .faq > .admonition-title::before,
.md-typeset .faq > summary::before {
  background-color: #0099e5;
}
.md-typeset .question > .admonition-title::after,
.md-typeset .question > summary::after,
.md-typeset .help > .admonition-title::after,
.md-typeset .help > summary::after,
.md-typeset .faq > .admonition-title::after,
.md-typeset .faq > summary::after {
  color: #0099e5;
}

/* warning / caution / attention: warm amber. */
.md-typeset .admonition.warning,
.md-typeset details.warning,
.md-typeset .admonition.caution,
.md-typeset details.caution,
.md-typeset .admonition.attention,
.md-typeset details.attention {
  background-color: rgba(245, 166, 35, 0.1);
}
.md-typeset .warning > .admonition-title::before,
.md-typeset .warning > summary::before,
.md-typeset .caution > .admonition-title::before,
.md-typeset .caution > summary::before,
.md-typeset .attention > .admonition-title::before,
.md-typeset .attention > summary::before {
  background-color: #f5a623;
}
.md-typeset .warning > .admonition-title::after,
.md-typeset .warning > summary::after,
.md-typeset .caution > .admonition-title::after,
.md-typeset .caution > summary::after,
.md-typeset .attention > .admonition-title::after,
.md-typeset .attention > summary::after {
  color: #f5a623;
}

/* danger / error / failure / fail / missing / bug: logo red. */
.md-typeset .admonition.danger,
.md-typeset details.danger,
.md-typeset .admonition.error,
.md-typeset details.error,
.md-typeset .admonition.failure,
.md-typeset details.failure,
.md-typeset .admonition.fail,
.md-typeset details.fail,
.md-typeset .admonition.missing,
.md-typeset details.missing,
.md-typeset .admonition.bug,
.md-typeset details.bug {
  background-color: rgba(217, 58, 84, 0.1);
}
.md-typeset .danger > .admonition-title::before,
.md-typeset .danger > summary::before,
.md-typeset .error > .admonition-title::before,
.md-typeset .error > summary::before,
.md-typeset .failure > .admonition-title::before,
.md-typeset .failure > summary::before,
.md-typeset .fail > .admonition-title::before,
.md-typeset .fail > summary::before,
.md-typeset .missing > .admonition-title::before,
.md-typeset .missing > summary::before,
.md-typeset .bug > .admonition-title::before,
.md-typeset .bug > summary::before {
  background-color: #d93a54;
}
.md-typeset .danger > .admonition-title::after,
.md-typeset .danger > summary::after,
.md-typeset .error > .admonition-title::after,
.md-typeset .error > summary::after,
.md-typeset .failure > .admonition-title::after,
.md-typeset .failure > summary::after,
.md-typeset .fail > .admonition-title::after,
.md-typeset .fail > summary::after,
.md-typeset .missing > .admonition-title::after,
.md-typeset .missing > summary::after,
.md-typeset .bug > .admonition-title::after,
.md-typeset .bug > summary::after {
  color: #d93a54;
}

/* example: soft purple — distinct from logo palette, pairs well with red/blue. */
.md-typeset .admonition.example,
.md-typeset details.example {
  background-color: rgba(139, 127, 247, 0.1);
}
.md-typeset .example > .admonition-title::before,
.md-typeset .example > summary::before {
  background-color: #8b7ff7;
}
.md-typeset .example > .admonition-title::after,
.md-typeset .example > summary::after {
  color: #8b7ff7;
}

/* Custom admonition: references — logo blue. */
:root {
  --md-admonition-icon--references: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="lucide lucide-notebook-text" viewBox="0 0 24 24"><path d="M2 6h4m-4 4h4m-4 4h4m-4 4h4"/><rect width="16" height="20" x="4" y="2" rx="2"/><path d="M9.5 8h5m-5 4H16m-6.5 4H14"/></svg>');
}

.md-typeset .admonition.references,
.md-typeset details.references {
  background-color: rgba(0, 153, 229, 0.1);
}

.md-typeset .references > .admonition-title::before,
.md-typeset .references > summary::before {
  background-color: #0099e5;
  -webkit-mask-image: var(--md-admonition-icon--references);
          mask-image: var(--md-admonition-icon--references);
}

.md-typeset .references > .admonition-title::after,
.md-typeset .references > summary::after {
  color: #0099e5;
}

/* ── Accessibility ────────────────────────────────────────────────────────── */

/* Visually hides content while keeping it in the accessibility tree. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Home page ────────────────────────────────────────────────────────────── */

/* Zensical inserts an auto h1 when the page content has none; the hidden h1
   in index.md suppresses it — this rule is a safety net for the hero layout.
   Negative margin-top pulls the hero up flush with the content area top. */
.hero-banner {
  text-align: center;
  margin-top: -1.5rem;
  padding: 0 1rem 2.5rem;
}

.hero-logo {
  /* Logo is nearly square (0.92 ratio): constrain by height for predictable size. */
  max-height: 19rem;
  max-width: 80%;
  width: auto;
  height: auto;
  margin-bottom: 0;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* Use .md-typeset specificity to override browser default p margins.
   clamp() scales the font with the viewport so the title never overflows
   on narrow screens — which would break text-align:center relative to the
   logo. line-height:1 eliminates half-leading at large sizes. */
.md-typeset .hero-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.5rem, 10.5vw, 5.1rem);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  margin: 0.15rem auto 0.3rem;
}

/* Light mode: logo navy for non-accent letters. */
[data-md-color-scheme="default"] .hero-title {
  color: #1e2c5d;
}

/* Dark mode: logo near-white for non-accent letters. */
[data-md-color-scheme="slate"] .hero-title {
  color: #f8f9fb;
}

.md-typeset .hero-tagline {
  font-size: 1.1rem;
  color: var(--md-default-fg-color--light);
  margin: 0 auto 1.5rem;
  max-width: 38rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}

.hero-badges img {
  height: 1.4rem;
  display: inline-block;
  vertical-align: middle;
}

/* Two-column Quick Start grid. */
.quickstart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
  margin: 0.5rem 0 1.5rem;
}

@media (max-width: 60em) {
  .quickstart-grid {
    grid-template-columns: 1fr;
  }
}

.quickstart-grid img {
  width: 100%;
  border-radius: 0.4rem;
  display: block;
}

/* Light/dark image switching for non-markdown HTML contexts. */
[data-md-color-scheme="slate"] img[src$="#only-light"] { display: none; }
[data-md-color-scheme="default"] img[src$="#only-dark"] { display: none; }

/* Keep example tiles compact instead of stretching full-width when few are present. */
.grid.cards.examples-cards > ul {
  grid-template-columns: repeat(auto-fit, minmax(12.5rem, 14.5rem));
  justify-content: start;
}

.grid.cards.examples-cards > ul > li {
  max-width: 14.5rem;
}

.grid.cards.examples-cards img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}