/* Scoped adaptation of the main site's floating navigation. */
:root {
  --nav-float-top: 1.35rem;
  --nav-float-gutter: clamp(1.35rem, calc(2vw + 0.5rem), 1.85rem);
  --nav-float-height: 4.25rem;
  --nav-float-radius: 2rem;
  --nav-offset: calc(var(--nav-float-top) + var(--nav-float-height) + 1rem);
}

body {
  padding-top: var(--nav-offset);
}

.site-nav {
  position: fixed;
  top: var(--nav-float-top);
  left: var(--nav-float-gutter);
  right: var(--nav-float-gutter);
  z-index: 50;
}

.site-nav [hidden] {
  display: none;
}

.site-nav a {
  border-bottom: none;
}

.site-nav button {
  font-family: inherit;
  cursor: pointer;
}

.site-nav .nav-content {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--nav-float-height);
  padding: 0.5rem 1.25rem;
  background: rgba(26, 26, 26, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-muted);
  border-radius: var(--nav-float-radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.38), 0 2px 8px rgba(0, 0, 0, 0.22);
}

.site-nav .nav-logo-prompt {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  color: var(--text-primary);
}

.site-nav .nav-prompt-glyph {
  color: var(--accent);
  font-weight: 600;
}

.site-nav .nav-prompt-path {
  color: var(--text-secondary);
}

.site-nav .nav-prompt-cwd {
  color: var(--text-primary);
}

.site-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav .nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.site-nav .nav-link:hover {
  color: var(--text-primary);
}

.site-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  min-height: 44px;
  padding: 0.625rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(245, 245, 245, 0.35);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25;
  background: transparent;
  color: var(--text-primary);
}

.site-nav .nav-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.site-nav .nav-dropdown,
.site-nav .nav-dropdown-submenu {
  position: relative;
}

.site-nav .nav-dropdown-menu,
.site-nav .nav-dropdown-submenu-menu {
  position: absolute;
  min-width: 10rem;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  background: var(--bg-card);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.site-nav .nav-dropdown-menu {
  top: calc(100% + 0.75rem);
  right: 0;
  max-height: calc(100vh - var(--nav-offset) - 1.5rem);
  max-height: calc(100dvh - var(--nav-offset) - 1.5rem);
  overflow-y: auto;
}

.site-nav .nav-dropdown-item {
  display: block;
  min-height: 40px;
  padding: 0.625rem 0.875rem;
  border-radius: 2px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.site-nav .nav-dropdown-item:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.site-nav [aria-current="page"] {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.site-nav .nav-dropdown-submenu-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
}

.site-nav .nav-dropdown-submenu-menu {
  /* Keep Tools in the scrollable disclosure on short screens. */
  position: static;
  min-width: 0;
  box-shadow: none;
}

.site-nav .nav-dropdown-toggle[aria-expanded="true"] .nav-dropdown-chevron {
  transform: rotate(180deg);
}

.site-nav .nav-dropdown-submenu-toggle[aria-expanded="true"] .nav-dropdown-submenu-chevron {
  transform: rotate(90deg);
}

.site-nav .mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  padding: 0.5rem;
  border: none;
  border-radius: 999px;
  color: var(--text-primary);
  background: transparent;
}

.site-nav .mobile-menu-btn:hover {
  background: var(--bg-elevated);
}

.site-nav .mobile-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  right: 0;
  max-height: calc(100vh - var(--nav-offset) - 1rem);
  max-height: calc(100dvh - var(--nav-offset) - 1rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: var(--bg-card);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.site-nav .mobile-menu .nav-link {
  display: flex;
  font-size: 1rem;
  padding: 0.5rem 0;
}

.site-nav .mobile-more-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-top: 0.75rem;
  margin-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.site-nav .mobile-more-label {
  padding: 0.25rem 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.site-nav .mobile-tools-label {
  margin-top: 0.5rem;
}

.site-nav .mobile-menu .mobile-tools-link {
  padding-left: 0.75rem;
}

.site-nav :focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 47.999rem) {
  :root {
    --nav-float-top: 1.1rem;
    --nav-float-gutter: 1.4rem;
    --nav-float-height: 3.75rem;
    --nav-float-radius: 1.35rem;
  }

  .site-nav .nav-content {
    padding: 0.4375rem 1rem;
  }

  .site-nav .nav-links {
    display: none;
  }

  .site-nav .mobile-menu-btn {
    display: inline-flex;
  }
}

@media (max-width: 30rem) {
  .site-nav .nav-prompt-cwd {
    display: none;
  }
}

@media (forced-colors: active) {
  .site-nav :focus-visible {
    outline-color: Highlight;
  }
}