/*-- Two color scheme: dark grey titles + blue links --*/
:root {
  --dark-grey: #404040;
  --link-blue: #00008B;
}

/*-- Sidebar scrollbar - thin line style --*/
#quarto-sidebar {
  overflow-y: auto !important;
  max-height: 100vh !important;
  scrollbar-width: thin;
  scrollbar-color: #c0c0c0 transparent;
}

#quarto-sidebar::-webkit-scrollbar {
  width: 4px;
}

#quarto-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

#quarto-sidebar::-webkit-scrollbar-thumb {
  background: #c0c0c0;
  border-radius: 2px;
}

#quarto-sidebar::-webkit-scrollbar-thumb:hover {
  background: #a0a0a0;
}

/*-- Book title styling with box --*/
.navbar-brand-container .navbar-brand {
  background: linear-gradient(135deg, #f8fafc 0%, #f0f4ff 50%, #f5f0ff 100%) !important;
  border: 1px solid #e2e8f0 !important;
  border-radius: 10px !important;
  padding: 12px 20px !important;
  margin: 10px !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05) !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
}

.navbar-brand-container .navbar-brand::after {
  content: "Geoscience \2764 SciML \2764 Julia" !important;
  display: block !important;
  font-size: 0.85rem !important;
  color: #00008B !important;
  font-weight: 400 !important;
  margin-top: 4px !important;
  letter-spacing: 0.05em !important;
}

.navbar-brand-container {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.navbar-title,
.navbar-brand .navbar-title {
  color: var(--dark-grey) !important;
  font-weight: 700 !important;
  font-size: 1.2rem !important;
}

/*-- Sidebar title styling with box --*/
.sidebar-title,
#quarto-sidebar .sidebar-title {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  color: var(--dark-grey) !important;
  font-weight: 700 !important;
  font-size: 1.2rem !important;
  text-align: center !important;
  background: linear-gradient(135deg, #f8fafc 0%, #f0f4ff 50%, #f5f0ff 100%) !important;
  border: 1px solid #e2e8f0 !important;
  border-radius: 10px !important;
  padding: 12px 20px !important;
  margin: 10px 5px !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05) !important;
  white-space: nowrap !important;
  width: calc(100% - 10px) !important;
}

.sidebar-title::after,
#quarto-sidebar .sidebar-title::after {
  content: "Geoscience \2764 SciML \2764 Julia" !important;
  display: block !important;
  font-size: 0.85rem !important;
  color: #00008B !important;
  font-weight: 400 !important;
  margin-top: 6px !important;
  letter-spacing: 0.03em !important;
}

.sidebar-title a {
  color: var(--dark-grey) !important;
  font-weight: 700 !important;
  text-decoration: none !important;
}

/*-- Icons centered below title --*/
.sidebar-tools-main {
  display: flex !important;
  justify-content: center !important;
  width: 100% !important;
  margin-top: 0.5rem !important;
  gap: 1rem !important;
}

/*-- Make sidebar icons bigger and blue --*/
.sidebar-tools-main a i,
.sidebar-tools-main a svg,
.sidebar-tools-main .bi {
  font-size: 1.3rem !important;
  width: 1.3rem !important;
  height: 1.3rem !important;
  color: var(--link-blue) !important;
  fill: var(--link-blue) !important;
}

/*-- Sidebar items not bold --*/
.sidebar-item .sidebar-item-text {
  font-weight: 400 !important;
}

.sidebar-item.active .sidebar-item-text {
  color: var(--link-blue) !important;
  font-weight: 400 !important;
}

/*-- Part headers - not bold --*/
.sidebar-item-section .sidebar-item-text {
  color: var(--dark-grey) !important;
  font-weight: 400 !important;
  text-transform: none !important;
}

/*-- Headings dark grey, reduced size --*/
h1, .h1 {
  color: var(--dark-grey);
  font-size: 1.75rem !important;
}

h2, .h2 {
  color: var(--dark-grey);
  font-size: 1.4rem !important;
}

h3, .h3 {
  color: var(--dark-grey);
  font-size: 1.15rem !important;
}

h4, .h4 {
  color: var(--dark-grey);
  font-size: 1rem !important;
}

/*-- Links blue --*/
a {
  color: var(--link-blue);
}

a:hover {
  color: #000066;
}

/*-- Bottom page navigation links --*/
.page-navigation a,
.page-navigation .nav-page-text,
.page-navigation .nav-page-next,
.page-navigation .nav-page-previous {
  color: var(--link-blue) !important;
}

/*-- Code --*/
pre {
  background-color: #f8f9fa !important;
  border: 1px solid #e9ecef;
  border-radius: 4px;
}

/*-- TOC title with list icon --*/
.toc-title {
  color: var(--dark-grey);
  font-weight: 500 !important;
  text-transform: none !important;
}

.toc-title::before {
  content: "\f0ca";
  font-family: "Bootstrap Icons";
  margin-right: 0.5em;
  color: var(--link-blue);
}

/*-- Navbar icons styling - all same size --*/
.navbar-nav .nav-link i,
.navbar-nav .nav-link svg,
.navbar .bi,
.navbar a i,
.navbar a svg,
.quarto-navbar-tools .bi,
.quarto-navbar-tools i,
.quarto-navbar-tools svg {
  font-size: 1.25rem !important;
  width: 1.25rem !important;
  height: 1.25rem !important;
  color: var(--link-blue) !important;
  fill: var(--link-blue) !important;
}

.navbar-nav .nav-link:hover i,
.navbar-nav .nav-link:hover svg,
.quarto-navbar-tools a:hover i,
.quarto-navbar-tools a:hover svg {
  color: #000066 !important;
  fill: #000066 !important;
}

/*-- No side margins --*/
body {
  padding-left: 0 !important;
  padding-right: 0 !important;
}

#quarto-content {
  max-width: 100%;
  margin: 0 auto;
}

/*-- Responsive figures and images --*/
img,
.quarto-figure img,
.cell-output img,
.cell-output-display img,
figure img {
  max-width: 100% !important;
  height: auto !important;
  display: block;
}

.quarto-figure,
figure,
.cell-output-display {
  max-width: 100% !important;
  overflow-x: auto;
}

/*-- Mobile responsiveness --*/
@media (max-width: 768px) {
  img,
  .quarto-figure img,
  .cell-output img,
  figure img {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
  }
  
  .quarto-figure,
  figure,
  .cell-output-display {
    width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
  
  pre {
    overflow-x: auto;
    max-width: 100%;
  }
}