/* Climate Science and Policy — Blue & White Theme */

:root {
  /* Primary blue matched to CSP logo */
  --md-primary-fg-color: #4F8FBF;
  --md-primary-fg-color--light: #6BA3CF;
  --md-primary-fg-color--dark: #3D7AAD;
  --md-primary-bg-color: #ffffff;
  --md-primary-bg-color--light: #ffffffb3;

  /* Accent blue */
  --md-accent-fg-color: #3D7AAD;
  --md-accent-fg-color--transparent: #3d7aad1a;
}

/* Dark mode adjustments */
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #4F8FBF;
  --md-primary-fg-color--light: #6BA3CF;
  --md-primary-fg-color--dark: #3D7AAD;
  --md-accent-fg-color: #6BA3CF;
  --md-accent-fg-color--transparent: #6ba3cf1a;
}

/* ---- Header background ---- */
/* Make the header white instead of blue */
.md-header {
  background-color: #ffffff;
  color: #333333;
}

/* Header text and icons should be dark on white background */
.md-header__title,
.md-header__button,
.md-header__topic {
  color: #333333;
}

.md-header__button svg {
  fill: #333333;
}

/* Keep blue header in dark mode for contrast */
[data-md-color-scheme="slate"] .md-header {
  background-color: var(--md-primary-fg-color);
  color: #ffffff;
}

[data-md-color-scheme="slate"] .md-header__title,
[data-md-color-scheme="slate"] .md-header__button,
[data-md-color-scheme="slate"] .md-header__topic {
  color: #ffffff;
}

[data-md-color-scheme="slate"] .md-header__button svg {
  fill: #ffffff;
}

/* ---- Sidebar Navigation ---- */
/* Ensure all navigation sections are visible and properly indented */
.md-nav--primary .md-nav__item--nested > .md-nav {
  display: block !important;
  visibility: visible !important;
  max-height: none !important;
}

/* Make sure all sections are expanded by default */
.md-nav__item--section {
  display: block;
}

/* Keep section toggles rotated to show expanded state */
.md-nav__item--nested > .md-nav__link .md-nav__icon {
  transform: rotate(90deg);
}

/* Ensure nested navigation is always visible */
.md-nav__item--nested > .md-nav__toggle:checked ~ .md-nav,
.md-nav__item--nested > .md-nav {
  max-height: none !important;
}

/* Better visual hierarchy for nested items */
.md-nav__item .md-nav__item {
  padding-left: 0.6rem;
}

.md-nav__item .md-nav__item .md-nav__item {
  padding-left: 1.2rem;
}

/* Section titles should be bold */
.md-nav__item--section > .md-nav__link {
  font-weight: 600;
  color: var(--md-primary-fg-color);
}

/* Active page highlight */
.md-nav__link--active {
  color: var(--md-accent-fg-color);
  font-weight: 600;
}

/* Hover state */
.md-nav__link:hover {
  color: var(--md-accent-fg-color);
}

/* ---- Logo in header ---- */
/* The CSP logo is a wide PNG with white background, so we need to
   size it properly and make it look clean in the white header bar. */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 4rem;
  width: auto;
  max-width: 280px;
  object-fit: contain;
}

/* Remove the white pill background since header is now white */
.md-header__button.md-logo {
  padding: 0.2rem 0.5rem;
  display: inline-flex;
  align-items: center;
  margin-right: 0.25rem;
}

/* Navigation tabs — slightly darker blue for contrast */
.md-tabs {
  background-color: var(--md-primary-fg-color--dark);
}

/* Active tab indicator */
.md-tabs__link--active,
.md-tabs__link:hover {
  opacity: 1;
}

/* Code block accent */
.md-typeset code {
  background-color: #4f8fbf0d;
}

/* Admonition tip color to match theme */
.md-typeset .admonition.tip,
.md-typeset details.tip {
  border-color: #4F8FBF;
}

.md-typeset .tip > .admonition-title,
.md-typeset .tip > summary {
  background-color: #4f8fbf1a;
}

.md-typeset .tip > .admonition-title::before,
.md-typeset .tip > summary::before {
  background-color: #4F8FBF;
}