/*
 * uv-inspired layout and navigation density with Perplexity-derived light
 * and dark palettes.
 */

:root {
  --perplexity-ink: #091717;
  --perplexity-beige: #fbfaf4;
  --perplexity-surface: #fcfcf9;
  --perplexity-teal: #20808d;
  --perplexity-teal-deep: #13343b;
  --perplexity-teal-bright: #1fb8cd;
  --perplexity-border: #e4e3d4;
  --perplexity-muted: #64645f;
  --perplexity-aqua-soft: #d5f2f6;
  --perplexity-positive: #016b1d;
  --perplexity-warning: #97431a;
  --perplexity-negative: #a23544;
  --perplexity-dark-underlay: #100e12;
  --perplexity-dark-base: #171615;
  --perplexity-dark-raised: #1e1d1c;
  --perplexity-dark-surface: #242322;
  --perplexity-dark-text: #d6d5d4;
  --perplexity-dark-accent: #4e99a3;
  --perplexity-dark-accent-hover: #22808c;
  --perplexity-dark-accent-soft: #90bfc5;
  --perplexity-dark-positive: #539e55;
  --perplexity-dark-warning: #d57141;
  --perplexity-dark-negative: #dc6973;
}

[data-md-color-scheme="perplexity-light"] {
  color-scheme: light;
  --md-default-bg-color: var(--perplexity-beige);
  --md-default-bg-color--light: var(--perplexity-surface);
  --md-default-bg-color--lighter: rgba(251, 250, 244, 0.72);
  --md-default-bg-color--lightest: rgba(251, 250, 244, 0.36);
  --md-default-bg-color--dark: var(--perplexity-ink);
  --md-default-fg-color: var(--perplexity-ink);
  --md-default-fg-color--light: rgba(9, 23, 23, 0.72);
  --md-default-fg-color--lighter: rgba(9, 23, 23, 0.54);
  --md-default-fg-color--lightest: rgba(9, 23, 23, 0.12);
  --md-primary-fg-color: var(--perplexity-teal-deep);
  --md-primary-fg-color--light: var(--perplexity-teal);
  --md-primary-fg-color--dark: var(--perplexity-ink);
  --md-primary-bg-color: var(--perplexity-beige);
  --md-primary-bg-color--light: rgba(251, 250, 244, 0.72);
  --md-accent-fg-color: var(--perplexity-teal-bright);
  --md-accent-fg-color--transparent: rgba(31, 184, 205, 0.1);
  --md-accent-bg-color: var(--perplexity-ink);
  --md-accent-bg-color--light: rgba(9, 23, 23, 0.72);
  --md-typeset-color: var(--perplexity-ink);
  --md-typeset-a-color: var(--perplexity-teal);
  --md-typeset-mark-color: var(--perplexity-aqua-soft);
  --md-code-fg-color: var(--perplexity-teal-deep);
  --md-code-bg-color: #f0f1ed;
  --md-code-bg-color--light: rgba(240, 241, 237, 0.9);
  --md-code-bg-color--lighter: rgba(240, 241, 237, 0.54);
  --md-code-hl-color: var(--perplexity-teal-bright);
  --md-code-hl-color--light: rgba(31, 184, 205, 0.1);
  --md-typeset-kbd-color: #f0f1ed;
  --md-typeset-kbd-accent-color: var(--perplexity-surface);
  --md-typeset-kbd-border-color: var(--perplexity-border);
  --md-typeset-table-color: var(--perplexity-border);
  --md-typeset-table-color--light: rgba(228, 227, 212, 0.36);
  --md-admonition-fg-color: var(--perplexity-ink);
  --md-admonition-bg-color: var(--perplexity-surface);
  --md-warning-fg-color: var(--perplexity-ink);
  --md-warning-bg-color: #f5d9be;
  --md-footer-bg-color: var(--perplexity-teal-deep);
  --md-footer-bg-color--dark: var(--perplexity-ink);
  --md-footer-fg-color: var(--perplexity-beige);
  --md-footer-fg-color--light: rgba(251, 250, 244, 0.72);
  --md-footer-fg-color--lighter: rgba(251, 250, 244, 0.48);
  --md-shadow-z1: 0 0.2rem 0.5rem rgba(9, 23, 23, 0.06),
    0 0 0.05rem rgba(9, 23, 23, 0.12);
  --md-shadow-z2: 0 0.2rem 0.5rem rgba(9, 23, 23, 0.12),
    0 0 0.05rem rgba(9, 23, 23, 0.2);
  --md-shadow-z3: 0 0.2rem 0.5rem rgba(9, 23, 23, 0.2),
    0 0 0.05rem rgba(9, 23, 23, 0.28);
}

[data-md-color-scheme="perplexity-dark"] {
  color-scheme: dark;
  --md-default-bg-color: var(--perplexity-dark-underlay);
  --md-default-bg-color--light: var(--perplexity-dark-base);
  --md-default-bg-color--lighter: var(--perplexity-dark-raised);
  --md-default-bg-color--lightest: var(--perplexity-dark-surface);
  --md-default-bg-color--dark: #000000;
  --md-default-fg-color: var(--perplexity-dark-text);
  --md-default-fg-color--light: rgba(214, 213, 212, 0.65);
  --md-default-fg-color--lighter: rgba(214, 213, 212, 0.5);
  --md-default-fg-color--lightest: rgba(214, 213, 212, 0.14);
  --md-primary-fg-color: var(--perplexity-dark-base);
  --md-primary-fg-color--light: var(--perplexity-dark-raised);
  --md-primary-fg-color--dark: var(--perplexity-dark-underlay);
  --md-primary-bg-color: var(--perplexity-dark-text);
  --md-primary-bg-color--light: rgba(214, 213, 212, 0.65);
  --md-accent-fg-color: var(--perplexity-dark-accent);
  --md-accent-fg-color--transparent: rgba(78, 153, 163, 0.1);
  --md-accent-bg-color: var(--perplexity-dark-underlay);
  --md-accent-bg-color--light: rgba(16, 14, 18, 0.72);
  --md-typeset-color: var(--perplexity-dark-text);
  --md-typeset-a-color: var(--perplexity-dark-accent);
  --md-typeset-mark-color: rgba(78, 153, 163, 0.2);
  --md-code-fg-color: var(--perplexity-dark-text);
  --md-code-bg-color: var(--perplexity-dark-raised);
  --md-code-bg-color--light: rgba(30, 29, 28, 0.9);
  --md-code-bg-color--lighter: rgba(30, 29, 28, 0.54);
  --md-code-hl-color: var(--perplexity-dark-accent);
  --md-code-hl-color--light: rgba(78, 153, 163, 0.1);
  --md-code-hl-comment-color: rgba(214, 213, 212, 0.5);
  --md-code-hl-punctuation-color: rgba(214, 213, 212, 0.65);
  --md-code-hl-generic-color: var(--perplexity-dark-accent-soft);
  --md-code-hl-variable-color: var(--perplexity-dark-text);
  --md-code-hl-string-color: var(--perplexity-dark-accent-soft);
  --md-code-hl-keyword-color: var(--perplexity-dark-accent);
  --md-code-hl-operator-color: var(--perplexity-dark-accent-soft);
  --md-code-hl-number-color: var(--perplexity-dark-accent-soft);
  --md-code-hl-special-color: var(--perplexity-dark-accent);
  --md-code-hl-function-color: var(--perplexity-dark-accent-soft);
  --md-code-hl-constant-color: var(--perplexity-dark-accent);
  --md-code-hl-name-color: var(--md-code-fg-color);
  --md-typeset-del-color: hsla(6, 90%, 60%, 0.15);
  --md-typeset-ins-color: hsla(150, 90%, 44%, 0.15);
  --md-typeset-kbd-color: var(--perplexity-dark-surface);
  --md-typeset-kbd-accent-color: var(--perplexity-dark-raised);
  --md-typeset-kbd-border-color: var(--perplexity-dark-underlay);
  --md-typeset-table-color: rgba(214, 213, 212, 0.14);
  --md-typeset-table-color--light: rgba(214, 213, 212, 0.07);
  --md-admonition-fg-color: var(--perplexity-dark-text);
  --md-admonition-bg-color: var(--perplexity-dark-raised);
  --md-warning-fg-color: var(--perplexity-dark-text);
  --md-warning-bg-color: var(--perplexity-dark-surface);
  --md-footer-bg-color: var(--perplexity-dark-base);
  --md-footer-bg-color--dark: var(--perplexity-dark-underlay);
  --md-footer-fg-color: var(--perplexity-dark-text);
  --md-footer-fg-color--light: rgba(214, 213, 212, 0.65);
  --md-footer-fg-color--lighter: rgba(214, 213, 212, 0.5);
  --md-shadow-z1: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.28),
    0 0 0.05rem rgba(214, 213, 212, 0.14);
  --md-shadow-z2: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.4),
    0 0 0.05rem rgba(214, 213, 212, 0.18);
  --md-shadow-z3: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.52),
    0 0 0.05rem rgba(214, 213, 212, 0.22);
}

[data-md-color-scheme="perplexity-light"] img[src$="#gh-dark-mode-only"],
[data-md-color-scheme="perplexity-light"] img[src$="#only-dark"],
[data-md-color-scheme="perplexity-dark"] img[src$="#gh-light-mode-only"],
[data-md-color-scheme="perplexity-dark"] img[src$="#only-light"] {
  display: none;
}

[data-md-color-scheme="perplexity-light"]
  .md-typeset
  :is(.admonition, details).note {
  --perplexity-admonition-color: var(--perplexity-teal);
  --perplexity-admonition-soft: rgba(32, 128, 141, 0.1);
}

[data-md-color-scheme="perplexity-light"]
  .md-typeset
  :is(.admonition, details).tip {
  --perplexity-admonition-color: var(--perplexity-positive);
  --perplexity-admonition-soft: rgba(1, 107, 29, 0.1);
}

[data-md-color-scheme="perplexity-light"]
  .md-typeset
  :is(.admonition, details).warning {
  --perplexity-admonition-color: var(--perplexity-warning);
  --perplexity-admonition-soft: rgba(151, 67, 26, 0.1);
}

[data-md-color-scheme="perplexity-dark"]
  .md-typeset
  :is(.admonition, details).note {
  --perplexity-admonition-color: var(--perplexity-dark-accent);
  --perplexity-admonition-soft: rgba(78, 153, 163, 0.1);
}

[data-md-color-scheme="perplexity-dark"]
  .md-typeset
  :is(.admonition, details).tip {
  --perplexity-admonition-color: var(--perplexity-dark-positive);
  --perplexity-admonition-soft: rgba(83, 158, 85, 0.1);
}

[data-md-color-scheme="perplexity-dark"]
  .md-typeset
  :is(.admonition, details).warning {
  --perplexity-admonition-color: var(--perplexity-dark-warning);
  --perplexity-admonition-soft: rgba(213, 113, 65, 0.1);
}

[data-md-color-scheme^="perplexity-"]
  .md-typeset
  :is(.admonition, details):is(.note, .tip, .warning) {
  border-color: var(--perplexity-admonition-color);
}

[data-md-color-scheme^="perplexity-"]
  .md-typeset
  :is(.admonition, details):is(.note, .tip, .warning):focus-within {
  box-shadow: 0 0 0 0.2rem var(--perplexity-admonition-soft);
}

[data-md-color-scheme^="perplexity-"]
  .md-typeset
  :is(.note, .tip, .warning)
  > :is(.admonition-title, summary) {
  background-color: var(--perplexity-admonition-soft);
}

[data-md-color-scheme^="perplexity-"]
  .md-typeset
  :is(.note, .tip, .warning)
  > :is(.admonition-title, summary)::before {
  background-color: var(--perplexity-admonition-color);
}

[data-md-color-scheme^="perplexity-"]
  .md-typeset
  :is(.note, .tip, .warning)
  > :is(.admonition-title, summary)::after {
  color: var(--perplexity-admonition-color);
}

[data-md-color-scheme="perplexity-dark"] a:hover {
  color: var(--perplexity-dark-accent-hover);
}

[data-md-color-scheme="perplexity-dark"] details summary a {
  color: var(--perplexity-dark-accent);
}

.homepage-scope-note {
  border-inline-start: 0.15rem solid;
  border-radius: 0.1rem;
  display: inline-block;
  font-size: 0.9rem;
  margin: -0.5rem 0 1rem;
  padding: 0.4rem 0.7rem;
}

[data-md-color-scheme="perplexity-light"] .homepage-scope-note {
  background-color: rgba(32, 128, 141, 0.08);
  border-color: var(--perplexity-teal);
  color: var(--perplexity-teal-deep);
}

[data-md-color-scheme="perplexity-dark"] .homepage-scope-note {
  background-color: rgba(78, 153, 163, 0.12);
  border-color: var(--perplexity-dark-accent);
  color: var(--perplexity-dark-text);
}

.md-typeset :is(h1, h2, h3, h4, h5, h6),
.md-nav__item--section > .md-nav__link,
.md-nav__item--nested > .md-nav__link {
  font-weight: 700;
}

.md-typeset .machine-translation {
  border-color: var(--md-accent-fg-color);
}

.md-typeset .machine-translation > .admonition-title {
  font-weight: 700;
}

.md-typeset__table {
  min-width: 100%;
}

.md-typeset table:not([class]) {
  display: table;
}

.md-nav--primary .md-nav__title {
  box-shadow: none;
}

.md-nav__link--active {
  font-weight: 700;
}

.md-nav__item--section.pplx-nav--section-hidden {
  display: none !important;
}

.md-nav--primary .pplx-nav-number {
  color: var(--md-default-fg-color--light);
  direction: ltr;
  display: inline-block;
  font-variant-numeric: tabular-nums;
  margin-inline-end: 0.35em;
  min-width: 2.3em;
  text-align: end;
  unicode-bidi: isolate;
}

@media screen and (min-width: 76.25em) {
  .md-nav__title {
    display: none;
  }

  .md-main {
    min-height: 100vh;
  }

  .md-nav--primary .md-nav {
    font-size: 0.75rem;
  }

  .md-nav__item--section > .md-nav__link {
    font-size: 0.85rem;
  }

  .md-nav--primary .md-nav__link {
    margin: 0;
  }

  .md-nav--primary .md-nav__item {
    margin-top: 0.35em;
  }

  .md-nav--primary .md-nav__item--section {
    margin-bottom: 0.75em;
    margin-top: 1em;
  }

  .md-nav--primary > .md-nav__list > .md-nav__item:first-of-type {
    font-size: 0.85rem;
    margin-bottom: 0.75em;
  }

  .md-nav--primary
    .md-nav__item--section.pplx-nav--path-aware
    > .md-nav__container
    > label[for] {
    align-items: center;
    cursor: pointer;
    display: flex !important;
    flex: 0 0 1.2rem;
    justify-content: center;
    margin-inline-start: auto;
  }

  .md-nav--primary
    .md-nav__item--section.pplx-nav--path-aware
    > .md-nav__container
    > label[for]
    > .md-nav__icon {
    display: block !important;
  }

  .md-nav--primary
    .md-nav__item--section.pplx-nav--path-aware
    > nav.md-nav {
    display: none;
    opacity: 0;
    visibility: hidden;
  }

  .md-nav--primary
    .md-nav__item--section.pplx-nav--path-aware.pplx-nav--open
    > nav.md-nav {
    display: block;
    opacity: 1;
    visibility: visible;
  }
}