header {
  z-index: 10;
  position: relative;
  top: 0;
}

.showHeaderOnTop {
  box-shadow: 0px 8px 56px rgba(15, 80, 100, 0.16);
  top: 0;
  position: sticky;
}

header .navbar .navbar-nav a {
  color: var(--text-color) !important;
}

#theme-toggle {
  background-color: var(--background-color) !important;
  color: var(--text-color) !important;
}

.navbar-toggler {
  border: none;
  outline: none;
  color: var(--text-color);
}
.navbar-toggler svg {
  fill: currentColor;
  color: var(--text-color);
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 0.05em;
}
.navbar-text {
  font-size: 20px;
  opacity: 0.95;
  white-space: nowrap;
}
header .nav-link {
  transition: none !important;
}
.navbar-brand {
  color: var(--primary-color) !important;
  opacity: 0.95;
  font-size: 20px;
}

.navbar-logo {
  height: 40px !important;
  width: 40px !important;
  max-width: 40px !important;
  max-height: 40px !important;
  object-fit: contain;
  vertical-align: middle;
  display: inline-block !important;
}

/* Invert logo colors in dark mode to make black SVG appear white */
body.dark .navbar-logo {
  filter: brightness(0) invert(1) brightness(2) !important;
}

/* Logo inside navbar-nav styling */
.navbar-nav .navbar-brand {
  padding: 0.5rem 1rem;
  margin: 0;
  display: inline-flex;
  align-items: center;
}

/* Adjust navbar layout */
@media (min-width: 992px) {
  .navbar-nav {
    display: flex;
    align-items: center;
  }

  .navbar-nav .nav-item:first-child {
    margin-right: auto;
  }

  .navbar-nav .nav-item:not(:first-child) {
    margin-left: 1rem;
  }
}
.navbar .nav-link:hover {
  color: var(--primary-color) !important;
}
.nav-link.nav-link-sep:after {
  content: '|';
  color: var(--text-color) !important;
}

li > .dropdown-toggle:focus {
  color: var(--primary-color) !important;
}

.dropdown-menu {
  overflow: auto;
  /* z-index: 100; */
  background-color: var(--background-color) !important;
  border-color: var(--text-secondary-color) !important;
}

.dropdown-item:hover {
  background-color: var(--secondary-color) !important;
}

.dropdown-item:focus,
.dropdown-item:active {
  background-color: var(--secondary-color) !important;
}

.dropdown-divider {
  border-top: 1px solid var(--lt-color-border-dark);
}

#search {
  border-radius: 1rem !important;
  background-color: var(--secondary-color);
  color: var(--text-color);
  border-color: var(--background-color) !important;
  transition: none;
}

#search:focus {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}
#search-content {
  -ms-scroll-chaining: none;
  scrollbar-width: none;
  display: none;
  border-radius: 1rem;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  z-index: 9999;
  width: 10%;
  max-height: 350px;
  background-color: var(--secondary-color) !important;
  position: absolute;
  overflow: scroll;
}

#search-content::-webkit-scrollbar {
  display: none;
}

#search-results > .card {
  background-color: transparent !important;
  border: none;
  margin-bottom: 10px;
}

#search-results > .card :hover {
  border-radius: 1rem !important;
  background-color: var(--background-color) !important;
  transition: 0.2s;
}

#search-results .card a {
  opacity: 0.9;
  display: inline-block;
  text-decoration: none;
  color: var(--text-color) !important;
}

#search-results .card a:hover {
  color: var(--primary-color) !important;
}

/* Lab Pill Button - Easter Egg Style */
.nav-link.lab-pill {
  font-size: 14px !important;
  padding: 0.35rem 0.85rem !important;
  border: 1px solid var(--text-secondary-color);
  border-radius: 2rem;
  opacity: 0.5;
  transition: opacity 0.3s ease, border-color 0.3s ease;
  margin-left: 0.5rem;
}

.nav-link.lab-pill:hover {
  opacity: 0.8;
  border-color: var(--text-color);
  color: var(--text-color) !important;
}

/* Lab Dropdown Styling */
.lab-dropdown {
  min-width: 280px;
  padding: 0.5rem 0;
  border-radius: 0.75rem;
  box-shadow: 0px 8px 24px rgba(15, 80, 100, 0.15);
  border: 1px solid var(--text-secondary-color);
  margin-top: 0.5rem !important;
}

.lab-dropdown .dropdown-item {
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: background-color 0.2s ease;
}

.lab-dropdown .dropdown-item:hover {
  background-color: var(--secondary-color) !important;
}

.lab-link-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-color);
  font-family: 'Roboto Mono', monospace;
}

.lab-link-desc {
  font-size: 12px;
  color: var(--text-secondary-color);
  opacity: 0.8;
}

.lab-dropdown .dropdown-divider {
  margin: 0.25rem 0;
  opacity: 0.3;
}

/* Mobile responsiveness */
@media (max-width: 991px) {
  .nav-link.lab-pill {
    margin-left: 0;
    margin-top: 0.5rem;
    display: inline-block;
    width: auto;
  }
}