/* =========================================================
 * JHU Brand styling for RTD theme
 * Colors from https://brand.jhu.edu/visual-identity/colors/
 * Typography from https://brand.jhu.edu/visual-identity/typography/
 *
 * Primary colors:  Heritage Blue #002D72, Spirit Blue #68ACE5
 * Secondary cool:  Medium Blue #0077D8, Harbor Blue #4E97E0
 *                  Mint Green #86C8BC, Homewood Green #008767
 *                  Forest Green #275E3D
 * Brand typefaces: Quadon (display), Gentona (body sans-serif)
 * Web substitutes (by preference):
 *   1. Roboto Slab    = display/headlines (Quadon sub)
 *   2. Work Sans      = body text (Gentona sub)
 *   3. Oswald         = accent headlines
 *   4. Source Serif 4 = editorial/citations (Arnhem sub)
 * ========================================================= */

/* --- Google Fonts -- JHU-approved web font substitutions (by preference) --- */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;600&family=Roboto+Slab:wght@400;500;700&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;1,8..60,400&family=Work+Sans:ital,wght@0,400;0,500;0,600;1,400&display=swap');

/* --- RTD theme CSS custom properties overrides --- */

:root {
  /* Primary brand -- Heritage Blue */
  --color-brand-primary: #002D72;

  /* Body links / content accents -- Medium Blue (better contrast on white) */
  --color-brand-content: #0077D8;

  /* Sidebar link colors */
  --color-sidebar-link-text-toctp: #002D72;
}

/* Headlines use Roboto Slab (~Quadon) -- brand-preferred display font */
.wy-nav-side,
.wy-menu-vertical header,
.wy-menu-vertical p.caption {
  font-family: 'Roboto Slab', serif;
  color: #68ACE5; /* Spirit Blue for captions -- light enough on dark bg */
}

/* Body text uses Work Sans (~Gentona) -- brand-preferred body font */
body,
.wy-nav-content p,
.wy-nav-content li,
.rst-content p,
.rst-content li,
.wy-side-nav-search input[type="text"],
.wy-menu-vertical a {
  font-family: 'Work Sans', sans-serif;
}

/* Headings use Roboto Slab (~Quadon) */
.wy-nav-content h1,
.wy-nav-content h2,
.wy-nav-content h3,
.wy-nav-content h4,
.wy-nav-content h5,
.wy-nav-content h6 {
  font-family: 'Roboto Slab', serif;
  color: #002D72; /* Heritage Blue headings */
}

/* Accent headlines and callouts use Oswald */
.rst-content dl dt,
.rst-content .section label {
  font-family: 'Oswald', sans-serif;
}

/* Citations and footnotes use Source Serif 4 (~Arnhem) */
.rst-content cite,
.footnote,
.citation {
  font-family: 'Source Serif 4', serif;
}

/* Page title top bar -- Heritage Blue background */
.wy-breadcrumbs-wrapper a {
  color: #0077D8;
}

/* Top-level section numbers / breadcrumb trail uses Heritage Blue */
.wy-breadcrumbs-extra,
.rst-version {
  color: rgba(0, 45, 114, 0.6); /* Heritage Blue with transparency */
}

/* Links use JHU Medium Blue for accessible contrast */
.rst-content a {
  color: #0077D8;
}

.rst-content a:hover {
  color: #4E97E0; /* Harbor Blue on hover */
  text-decoration: underline;
}

/* Sidebar version badge -- Spirit Blue text on dark background */
.version {
  color: rgba(104, 172, 229, 0.6);
}

/* Code blocks and inline code accents -- subtle Heritage Blue border */
.rst-content pre.literal-block,
.rst-content div[class*='highlight'] {
  border-left-color: #002D72;
}

/* Info/note admonition cards -- Spirit Blue accent */
.rst-content .admonition.note {
  border-color: #68ACE5;
}

.rst-content .admonition.note > .admonition-title {
  background-color: rgba(104, 172, 229, 0.2);
  color: #002D72;
}

/* Warning admonitions */
.rst-content .admonition.warning {
  background-color: rgba(241, 196, 0, 0.15);
}

.rst-content .admonition.warning > .admonition-title {
  background-color: rgba(255, 158, 27, 0.55);
  color: #4F2C1D;
}

/* Sidebar search input styling */
.wy-side-nav-search input[type="text"] {
  border-color: rgba(0, 45, 114, 0.3);
  background-color: rgba(255, 255, 255, 0.95);
}

/* Sidebar search focus state -- Heritage Blue ring */
.wy-side-nav-search input[type="text"]:focus {
  border-color: #002D72;
}

/* ============================================
 * Sidebar & Navigation -- JHU Heritage Blue theme
 * Using !important to override sphinx_rtd_theme
 * which loads AFTER custom.css and has equal specificity.
 * ============================================ */

.wy-nav-side {
  background-color: #002D72 !important;
  background-image: linear-gradient(180deg, #002D72 0%, #001f59 100%) !important;
}

/* Captions in sidebar use Spirit Blue with increased contrast */
.wy-menu-vertical header,
.wy-menu-vertical p.caption {
  color: #68ACE5 !important;
  font-family: 'Roboto Slab', serif !important;
}

/* Search box in sidebar matches Heritage Blue scheme */
.wy-side-nav-search {
  background-color: #001f59 !important;
  color: #68ACE5 !important;
}

.wy-side-nav-search input[type="text"] {
  border-color: rgba(208, 227, 245, 0.3) !important;
  background-color: rgba(255, 255, 255, 0.95) !important;
}

.wy-side-nav-search input[type="text"]:focus {
  border-color: #68ACE5 !important;
}

.wy-side-nav-search img.logo {
  background-color: transparent !important;
}

/* Sidebar menu links -- light blue tint for readability on dark bg */
.wy-menu-vertical a,
.wy-menu-vertical li.toctree-l1 > a {
  color: #d0e3f5 !important;
}

.wy-menu-vertical a:hover {
  background-color: rgba(104, 172, 229, 0.15) !important;
  color: #fff !important;
}

/* Current/active sidebar entry -- Spirit Blue accent on left */
.wy-menu-vertical li.current > a {
  border-left: 3px solid #68ACE5 !important;
  color: #68ACE5 !important;
}

.wy-menu-vertical a.current {
  background-color: #001a4d !important;
  color: #68ACE5 !important;
  border-left: 3px solid #68ACE5 !important;
}

/* Expanded sidebar sections */
/*  background-color: rgba(0, 45, 114, 0.2) !important; */
.wy-menu-vertical li.on a,
.wy-menu-vertical li.current > ul li a {
  background-color: rgba(0, 24, 62) !important;
}

/* Dropdown overlay -- heritage blue instead of default dark */
.wy-dropdown-menu {
  background-color: #002D72 !important;
}

.wy-dropdown-menu a {
  color: #d0e3f5 !important;
}

/* Top mobile navigation bar */
.wy-nav-top {
  background-color: #002D72 !important;
}

.wy-nav-top > a {
  color: #68ACE5 !important;
}

/* Version badge in sidebar footer -- subtle Spirit Blue */
.version {
  color: rgba(104, 172, 229, 0.6) !important;
}