/* Governed cross-platform navigation rail. Keep every selector scoped so this
   asset can safely coexist with standalone pages, Docusaurus, and app shells. */
#platform-sidenav {
  --platform-nav-bg: #081326;
  --platform-nav-bg-soft: #0c1a31;
  --platform-nav-line: #263a59;
  --platform-nav-text: #e9f0fb;
  --platform-nav-muted: #a8b8d1;
  --platform-nav-accent: #6da7ff;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 1200;
  display: none;
  width: 240px;
  min-width: 240px;
  max-width: 240px;
  height: 100dvh;
  margin: 0;
  padding: 0;
  flex-direction: column;
  overflow: hidden;
  border: 0;
  border-right: 1px solid var(--platform-nav-line);
  border-radius: 0;
  background:
    radial-gradient(circle at 30% 12%, rgba(44, 129, 255, 0.1), transparent 34%),
    linear-gradient(180deg, var(--platform-nav-bg-soft), var(--platform-nav-bg));
  box-shadow: 12px 0 34px rgba(2, 8, 20, 0.16);
  color: var(--platform-nav-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  font-style: normal;
  line-height: 1.4;
  text-align: left;
}

html[data-theme="light"] #platform-sidenav,
body[data-theme="light"] #platform-sidenav {
  --platform-nav-bg: #f2f6fd;
  --platform-nav-bg-soft: #fbfdff;
  --platform-nav-line: #ced9e8;
  --platform-nav-text: #122038;
  --platform-nav-muted: #546987;
  --platform-nav-accent: #175ec9;
}

#platform-sidenav,
#platform-sidenav * {
  box-sizing: border-box;
}

#platform-sidenav .sidenav-brand {
  position: relative;
  display: flex;
  min-height: 72px;
  margin: 0;
  padding: 15px 17px;
  align-items: center;
  flex: 0 0 auto;
  gap: 11px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--platform-nav-text);
  text-decoration: none;
}

#platform-sidenav .sidenav-brand::after {
  position: absolute;
  right: 14px;
  bottom: 0;
  left: 14px;
  height: 1px;
  background: var(--platform-nav-line);
  content: "";
}

#platform-sidenav .sidenav-brand:hover,
#platform-sidenav .sidenav-brand:focus-visible {
  background: rgba(109, 167, 255, 0.09);
  color: var(--platform-nav-text);
}

#platform-sidenav .sidenav-brand:focus-visible,
#platform-sidenav a:focus-visible {
  outline: 2px solid var(--platform-nav-accent);
  outline-offset: -2px;
}

#platform-sidenav .sidenav-brand img {
  display: block;
  width: 32px;
  height: 32px;
  margin: 0;
  flex: 0 0 32px;
  border: 1px solid var(--platform-nav-line);
  border-radius: 9px;
  object-fit: cover;
}

#platform-sidenav .sidenav-brand-copy {
  display: grid;
  min-width: 0;
  gap: 3px;
  line-height: 1;
}

#platform-sidenav .sidenav-brand-copy strong {
  margin: 0;
  color: var(--platform-nav-text);
  font-size: 0.86rem;
  font-weight: 750;
}

#platform-sidenav .sidenav-brand-copy small {
  margin: 0;
  color: var(--platform-nav-muted);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#platform-sidenav .sidenav-scroll {
  display: block;
  min-height: 0;
  margin: 0;
  padding: 12px 11px 22px;
  flex: 1 1 auto;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-color: var(--platform-nav-line) transparent;
  scrollbar-width: thin;
}

#platform-sidenav .sidenav-section {
  display: block;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

#platform-sidenav .sidenav-section + .sidenav-section {
  margin-top: 7px;
  padding-top: 7px;
  border-top: 1px solid color-mix(in srgb, var(--platform-nav-line) 66%, transparent);
}

#platform-sidenav .sidenav-group {
  display: block;
  margin: 0;
  padding: 10px 10px 7px;
  color: var(--platform-nav-muted);
  font-size: 0.67rem;
  font-weight: 780;
  letter-spacing: 0.11em;
  line-height: 1.25;
  text-transform: uppercase;
}

#platform-sidenav .sidenav-list {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 1px;
  list-style: none;
}

#platform-sidenav .sidenav-list li {
  display: block;
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

#platform-sidenav .sidenav-scroll a {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 36px;
  margin: 0;
  padding: 8px 10px 8px 13px;
  align-items: center;
  gap: 6px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--platform-nav-muted);
  font-size: 0.82rem;
  font-weight: 530;
  letter-spacing: -0.003em;
  line-height: 1.3;
  text-decoration: none;
  white-space: normal;
  overflow-wrap: break-word;
}

#platform-sidenav .sidenav-scroll a:hover,
#platform-sidenav .sidenav-scroll a:focus-visible {
  background: rgba(109, 167, 255, 0.1);
  color: var(--platform-nav-text);
  text-decoration: none;
}

#platform-sidenav .sidenav-scroll a.active,
#platform-sidenav .sidenav-scroll a[aria-current="location"],
#platform-sidenav .sidenav-scroll a[aria-current="page"] {
  background: rgba(109, 167, 255, 0.14);
  color: var(--platform-nav-accent);
  font-weight: 680;
}

#platform-sidenav .sidenav-scroll a.active::before,
#platform-sidenav .sidenav-scroll a[aria-current="location"]::before,
#platform-sidenav .sidenav-scroll a[aria-current="page"]::before {
  position: absolute;
  top: 9px;
  bottom: 9px;
  left: 2px;
  width: 2px;
  border-radius: 2px;
  background: var(--platform-nav-accent);
  content: "";
}

#platform-sidenav .sidenav-external {
  margin-left: auto;
  color: inherit;
  font-size: 0.72em;
}

#platform-sidenav .sidenav-footer {
  display: flex;
  min-height: 52px;
  margin: 0 13px;
  padding: 13px 5px;
  align-items: center;
  justify-content: space-between;
  flex: 0 0 auto;
  border-top: 1px solid var(--platform-nav-line);
  color: var(--platform-nav-muted);
  font-size: 0.7rem;
}

#platform-sidenav .sidenav-footer a,
#platform-sidenav .sidenav-footer span {
  margin: 0;
  padding: 0;
  color: var(--platform-nav-muted);
  font-size: 0.7rem;
  text-decoration: none;
}

@media (min-width: 1380px) {
  body.has-platform-sidenav {
    width: auto !important;
    min-width: 0 !important;
    padding-inline-start: 240px !important;
  }

  body.has-platform-sidenav #platform-sidenav {
    /* The legacy homepage stylesheet hides .page-sidenav with !important.
       This governed ID rule must win while the old source shell is migrated. */
    display: flex !important;
  }

  body.has-platform-sidenav .site-header .brand {
    display: none;
  }

  body.has-platform-sidenav .site-header .nav-list {
    justify-content: flex-start;
  }

  /* Sticky standalone headers can otherwise resolve 100% against the visual
     viewport and then be shifted by the body's navigation gutter. */
  body.has-platform-sidenav > .site-header {
    width: calc(100vw - 240px) !important;
    max-width: calc(100vw - 240px) !important;
  }

  body.has-platform-sidenav #__docusaurus > .navbar,
  body.has-platform-sidenav #__docusaurus .navbar.navbar--fixed-top {
    left: 240px;
    width: calc(100% - 240px);
  }
}

@media print {
  #platform-sidenav {
    display: none !important;
  }

  body.has-platform-sidenav {
    padding-inline-start: 0 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  #platform-sidenav,
  #platform-sidenav * {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}