@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");

/* The palette comes from the logo: a navy page, a sky-blue page behind it and a coral line for the change. */
:root,
[data-bs-theme=light] {
  --pd-navy: #0f1c3f;
  --pd-blue: #19b4f2;
  --pd-coral: #ff6a4d;
  --pd-bg: #ffffff;
  --pd-surface: #f4f7fb;
  --pd-raised: #ffffff;
  --pd-text: #131b33;
  --pd-muted: #56607a;
  --pd-line: #e1e7f0;
  --pd-link: #0a78b8;
  --pd-link-rgb: 10, 120, 184;
  --pd-link-hover: #0f1c3f;
  --pd-tint: #e8f6fd;
  --pd-code-bg: #f4f7fb;
  --pd-code-text: #1b3a73;
  --pd-shadow: 0 1px 2px rgb(15 28 63 / 6%), 0 10px 28px rgb(15 28 63 / 9%);

  --pd-display: "Poppins", "Segoe UI", system-ui, sans-serif;
  --pd-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --pd-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;

  --bs-body-bg: var(--pd-bg);
  --bs-body-color: var(--pd-text);
  --bs-secondary-color: var(--pd-muted);
  --bs-tertiary-bg: var(--pd-surface);
  --bs-border-color: var(--pd-line);
  --bs-link-color: var(--pd-link);
  --bs-link-color-rgb: var(--pd-link-rgb);
  --bs-link-hover-color: var(--pd-link-hover);
  --bs-link-hover-color-rgb: 15, 28, 63;
  --bs-code-color: var(--pd-code-text);
  --bs-body-font-family: var(--pd-body);
  --bs-font-sans-serif: var(--pd-body);
  --bs-font-monospace: var(--pd-mono);
}

[data-bs-theme=dark] {
  --pd-bg: #0b1430;
  --pd-surface: #101b3a;
  --pd-raised: #142046;
  --pd-text: #e6ebf5;
  --pd-muted: #9aa6c2;
  --pd-line: #24315c;
  --pd-link: #6ccff7;
  --pd-link-rgb: 108, 207, 247;
  --pd-link-hover: #a7e4fb;
  --pd-tint: #10284a;
  --pd-code-bg: #0e1833;
  --pd-code-text: #a7e4fb;
  --pd-shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 10px 28px rgb(0 0 0 / 35%);

  --bs-body-bg-rgb: 11, 20, 48;
  --bs-link-hover-color-rgb: 167, 228, 251;
}

body {
  background: var(--pd-bg);
  color: var(--pd-text);
  font-family: var(--pd-body);
  -webkit-font-smoothing: antialiased;
}

/* ---- Navigation bar ---- */

body > header {
  background: color-mix(in srgb, var(--pd-bg) 88%, transparent) !important;
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--pd-line) !important;
}

/* The logo carries the name, so the brand's own text is hidden. */
.navbar-brand {
  display: flex;
  align-items: center;
  font-size: 0;
}

#logo {
  width: auto;
  height: 34px;
  margin: 0;
}

[data-bs-theme=dark] #logo {
  content: url("../images/logo-light.svg");
}

#navbar .nav-link,
#navbar .navbar-nav > li > a {
  font-weight: 600;
  color: var(--pd-muted);
}

#navbar .nav-link:hover,
#navbar .nav-link.active,
#navbar .navbar-nav > li > a.active {
  color: var(--pd-text);
}

#search-query {
  border-radius: 999px;
  background: var(--pd-surface);
  border-color: var(--pd-line);
}

/* ---- Sidebar ---- */

.toc > ul > li > .expand-stub + a,
.toc > ul > li > a {
  font-weight: 700;
  color: var(--pd-text);
}

.toc ul ul a {
  color: var(--pd-muted);
}

.toc a:hover,
.toc a.active {
  color: var(--pd-link) !important;
}

.toc a.active {
  font-weight: 600;
}

/* ---- Articles ---- */

article h1,
article h2,
article h3,
article h4 {
  font-family: var(--pd-display);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--pd-text);
}

article h1 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

article h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--pd-line);
}

article h3 {
  font-size: 1.15rem;
  margin-top: 1.75rem;
}

article p,
article li {
  line-height: 1.7;
}

article a:not(.btn):not(.pd-btn):not(.pd-card) {
  text-decoration-color: rgba(var(--pd-link-rgb), 0.35);
  text-underline-offset: 0.2em;
}

article a:not(.btn):not(.pd-btn):not(.pd-card):hover {
  text-decoration-color: currentColor;
}

/* Inline code and code blocks. */
article :not(pre) > code {
  padding: 0.1em 0.35em;
  border-radius: 0.3rem;
  background: var(--pd-tint);
  color: var(--pd-code-text);
  font-size: 0.85em;
}

article a > code {
  color: inherit;
}

article pre {
  border: 1px solid var(--pd-line);
  border-radius: 0.6rem;
  background: var(--pd-code-bg);
}

/* Snapshot lines use "->", which ligatures would draw as an arrow. */
article code {
  font-variant-ligatures: none;
  font-feature-settings: "calt" 0, "liga" 0;
}

[data-bs-theme] article pre code.hljs {
  background: var(--pd-code-bg);
  padding: 1rem 1.15rem;
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Tables: a rounded frame and horizontal rules only. DocFX wraps each table in .table-responsive. */
article .table-responsive {
  margin: 1.25rem 0 1.5rem;
  border: 1px solid var(--pd-line);
  border-radius: 0.6rem;
}

article .table.table-bordered {
  margin: 0;
  font-size: 0.9rem;
}

article .table.table-bordered > :not(caption) > * > * {
  padding: 0.6rem 0.9rem;
  border-width: 0 0 1px;
  border-color: var(--pd-line);
  background: transparent;
}

article .table.table-bordered > :not(caption) > * {
  border-width: 0;
}

article .table.table-bordered > thead > tr > * {
  background: var(--pd-surface);
  color: var(--pd-muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

article .table.table-bordered > tbody > tr:last-child > * {
  border-bottom-width: 0;
}

/* Notes and warnings: a colored rule on the left instead of a filled box. */
article .alert {
  border: 0;
  border-left: 3px solid var(--pd-callout);
  border-radius: 0 0.5rem 0.5rem 0;
  background: rgba(var(--pd-callout-rgb), 0.08);
  color: inherit;
  padding: 0.85rem 1.1rem;
}

article .alert h5 {
  font-family: var(--pd-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pd-callout);
  margin-bottom: 0.35rem;
}

article .alert p:last-child {
  margin-bottom: 0;
}

.NOTE,
.TIP {
  --pd-callout: var(--pd-link);
  --pd-callout-rgb: var(--pd-link-rgb);
}

.IMPORTANT {
  --pd-callout: #7c3aed;
  --pd-callout-rgb: 124, 58, 237;
}

.WARNING,
.CAUTION {
  --pd-callout: #e2512f;
  --pd-callout-rgb: 226, 81, 47;
}

/* ---- Footer and "In this article" ---- */

.affix h5 {
  font-family: var(--pd-display);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pd-muted);
}

body > footer {
  background: var(--pd-surface);
  color: var(--pd-muted) !important;
  font-size: 14px;
}

/* ---- The home page ---- */

body[data-layout=landing] main {
  max-width: none;
  padding: 0;
}

body[data-layout=landing] .actionbar,
body[data-layout=landing] .contribution,
body[data-layout=landing] .next-article {
  display: none;
}

.pd-home {
  --gutter: max(16px, 4vw);
}

.pd-home section {
  padding: 4.5rem var(--gutter);
}

.pd-wrap {
  max-width: 1160px;
  margin: 0 auto;
}

.pd-hero {
  background:
    radial-gradient(1100px 480px at 88% -10%, color-mix(in srgb, var(--pd-blue) 22%, transparent), transparent 60%),
    radial-gradient(700px 360px at 0% 110%, color-mix(in srgb, var(--pd-coral) 10%, transparent), transparent 60%),
    linear-gradient(180deg, var(--pd-tint), var(--pd-bg));
  border-bottom: 1px solid var(--pd-line);
}

.pd-hero .pd-wrap {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2.5rem;
  align-items: center;
}

.pd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--pd-line);
  border-radius: 999px;
  background: var(--pd-raised);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--pd-muted);
}

.pd-eyebrow::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--pd-coral);
}

article .pd-hero h1 {
  font-family: var(--pd-display);
  font-size: clamp(2.3rem, 4.6vw, 3.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 1.1rem;
  text-wrap: balance;
}

.pd-hero h1 span {
  background: linear-gradient(120deg, var(--pd-link), var(--pd-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.pd-lede {
  max-width: 34em;
  margin-bottom: 1.75rem;
  font-size: 1.15rem;
  color: var(--pd-muted);
}

.pd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.pd-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.pd-btn:hover {
  transform: translateY(-1px);
}

.pd-btn-primary {
  background: var(--pd-navy);
  color: #ffffff !important;
  box-shadow: 0 6px 18px rgb(15 28 63 / 28%);
}

[data-bs-theme=dark] .pd-btn-primary {
  background: var(--pd-blue);
  color: var(--pd-navy) !important;
  box-shadow: 0 6px 18px rgb(25 180 242 / 25%);
}

.pd-btn-secondary {
  background: var(--pd-raised);
  border-color: var(--pd-line);
  color: var(--pd-text) !important;
}

.pd-install {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  max-width: 100%;
  margin-top: 1.5rem;
  padding: 0.5rem 0.9rem;
  border: 1px dashed var(--pd-line);
  border-radius: 10px;
  background: var(--pd-raised);
  font-family: var(--pd-mono);
  font-size: 14px;
  color: var(--pd-muted);
  white-space: nowrap;
  overflow-x: auto;
}

.pd-install b {
  font-weight: 500;
  color: var(--pd-link);
}

/* A test and its failure, each in a window. */
.pd-windows {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.pd-window {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--pd-line);
  border-radius: 16px;
  background: var(--pd-raised);
  box-shadow: var(--pd-shadow);
}

.pd-window-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--pd-line);
  font-family: var(--pd-mono);
  font-size: 13px;
  color: var(--pd-muted);
}

.pd-window-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--pd-line);
}

.pd-window-bar span {
  margin-left: 0.5rem;
}

article .pd-window pre {
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent !important;
  overflow-x: auto;
}

article .pd-window pre code,
[data-bs-theme] article .pd-window pre code.hljs {
  display: block;
  padding: 1rem 1.2rem;
  background: transparent;
  font-size: 12.5px;
  line-height: 1.6;
}

/* The failure reads like an edit: removed words in coral, added ones in blue. */
.pd-output {
  color: var(--pd-text);
}

.pd-output .pd-dim {
  color: var(--pd-muted);
}

.pd-output .pd-flag {
  color: var(--pd-coral);
  font-weight: 500;
}

.pd-output del {
  padding: 0 0.15em;
  border-radius: 3px;
  background: color-mix(in srgb, var(--pd-coral) 18%, transparent);
  color: inherit;
  text-decoration: line-through;
  text-decoration-color: var(--pd-coral);
}

.pd-output ins {
  padding: 0 0.15em;
  border-radius: 3px;
  background: color-mix(in srgb, var(--pd-blue) 20%, transparent);
  color: inherit;
  text-decoration: none;
}

.pd-section-head {
  max-width: 44em;
  margin-bottom: 2.25rem;
}

article .pd-section-head h2 {
  margin: 0 0 0.6rem;
  padding: 0;
  border: 0;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}

.pd-section-head p {
  margin: 0;
  font-size: 1.1rem;
  color: var(--pd-muted);
}

.pd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 1.1rem;
}

.pd-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.35rem 1.4rem;
  border: 1px solid var(--pd-line);
  border-radius: 14px;
  background: var(--pd-raised);
  color: var(--pd-text) !important;
  text-decoration: none !important;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

a.pd-card:hover {
  border-color: color-mix(in srgb, var(--pd-blue) 60%, var(--pd-line));
  transform: translateY(-2px);
  box-shadow: var(--pd-shadow);
}

article .pd-card h3 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  font-size: 1.1rem;
}

.pd-card h3 .bi {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 2rem;
  height: 2rem;
  border-radius: 9px;
  background: var(--pd-tint);
  color: var(--pd-link);
  font-size: 1rem;
}

.pd-card h3 .bi-universal-access {
  background: color-mix(in srgb, var(--pd-coral) 14%, transparent);
  color: var(--pd-coral);
}

.pd-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--pd-muted);
}

.pd-card pre {
  margin: 0.5rem 0 0;
}

/* A band that sets a section apart from the ones around it. */
.pd-band {
  background: var(--pd-surface);
  border-top: 1px solid var(--pd-line);
  border-bottom: 1px solid var(--pd-line);
}

.pd-callout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.pd-callout .pd-section-head {
  margin: 0;
}

.pd-callout .pd-section-head p + p {
  margin-top: 1rem;
}

.pd-path {
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--pd-line);
  border-radius: 14px;
  background: var(--pd-raised);
}

article .pd-path h3 {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
}

.pd-path ul {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
}

.pd-path li {
  line-height: 1.5;
}

.pd-path a {
  text-decoration: none !important;
}

.pd-path a:hover {
  text-decoration: underline !important;
}

.pd-note {
  margin: 2rem 0 0;
  font-size: 0.95rem;
  color: var(--pd-muted);
}

@media (max-width: 900px) {
  .pd-hero .pd-wrap,
  .pd-callout {
    grid-template-columns: minmax(0, 1fr);
  }

  .pd-home section {
    padding-block: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pd-btn,
  .pd-card {
    transition: none;
  }

  .pd-btn:hover,
  a.pd-card:hover {
    transform: none;
  }
}