/* CSS Variables - InfoEpi.org Branding */
:root {
  --primary-color: #551638;       /* mulberry - primary brand color */
  --function-color: #551638;      /* mulberry for functions */
  --mechanism-color: #7B2D5F;     /* lighter mulberry for mechanisms */
  --terrain-color: #27ae60;       /* green for terrain */
  --channel-color: #8e44ad;       /* purple for channels */
  --card-radius: 10px;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --card-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.1);
  --section-spacing: 2.5rem;
}

/* Hide category badges on mechanism pages (they have function-badge instead) */
body:has(.function-badge) .quarto-categories {
  display: none !important;
}

/* Keep category badges visible on other pages (function chapters, notes, etc.) */
.quarto-categories {
  margin-top: 0.5rem;
}
.quarto-category {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hide date-modified display */
.quarto-title-meta-contents .date-modified,
div.quarto-title-meta-heading:has(+ .date-modified) {
  display: none !important;
}

/* Function badge for mechanism pages */
.function-badge {
  margin-bottom: 1rem;
}
.function-badge a {
  display: inline-block;
  padding: 4px 12px;
  background: var(--function-color);
  color: #fff;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.function-badge a:hover {
  opacity: 0.85;
  color: #fff;
}

/* Page structure: consistent section rhythm */
.quarto-layout-fluid .page-body .page-columns .content-inner > h2 {
  margin-top: var(--section-spacing);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.quarto-layout-fluid .page-body .page-columns .content-inner > h2:first-of-type {
  margin-top: 1.5rem;
}

/* Grid listing cards */
.quarto-grid-item {
  border: 1px solid #dee2e6;
  border-radius: var(--card-radius);
  border-top: 4px solid #6c757d;
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.2s ease;
  overflow: hidden;
}
.quarto-grid-item:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-3px);
  border-color: rgba(0, 0, 0, 0.08);
}
.quarto-grid-item .card-title {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.quarto-grid-item .card-text {
  font-size: 0.88rem;
  color: #555;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Color-coded top borders by section - using InfoEpi.org mulberry palette */
#functions-listing .quarto-grid-item {
  border-top-color: var(--function-color);
}
#mechanisms-listing .quarto-grid-item {
  border-top-color: var(--mechanism-color);
}
#terrain-listing .quarto-grid-item {
  border-top-color: var(--terrain-color);
}
#channels-listing .quarto-grid-item {
  border-top-color: var(--channel-color);
}

/* Sub-index pages: color by body class (set via body-classes in each section index.qmd) */
body.section-function .quarto-grid-item {
  border-top-color: var(--function-color);
}
body.section-mechanisms .quarto-grid-item {
  border-top-color: var(--mechanism-color);
}
body.section-terrain .quarto-grid-item {
  border-top-color: var(--terrain-color);
}
body.section-channels .quarto-grid-item {
  border-top-color: var(--channel-color);
}

/* Callout styling refinement */
.callout-note {
  border-left-color: var(--primary-color);
}

/* Navbar: prevent logo clipping, consistent alignment */
.navbar {
  overflow: visible !important;
  padding-left: 1.5rem !important;
  padding-right: 1rem;
}
.navbar .container-fluid,
.navbar .navbar-container,
.navbar .row {
  overflow: visible !important;
  padding-left: 0;
  margin-left: 0;
}
.navbar-brand {
  font-weight: 600;
  color: var(--primary-color) !important;
  overflow: visible !important;
  padding-left: 0;
  margin-left: 0;
  margin-right: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.navbar-brand img {
  height: 36px;
  width: auto;
  max-height: 40px;
  max-width: 160px;
  object-fit: contain;
  object-position: left center;
  flex-shrink: 0;
  display: block;
}
/* Dark mode: light logo asset on dark bar */
.quarto-dark .navbar-brand img {
  content: url('dark-logo.png');
}
/* Dark mode: light text (burgundy on black is unreadable) */
.quarto-dark .navbar,
.quarto-dark .navbar .navbar-brand,
.quarto-dark .navbar .nav-link,
.quarto-dark .navbar .dropdown-toggle {
  color: rgba(255, 255, 255, 0.95) !important;
}
.quarto-dark .navbar .navbar-brand:hover,
.quarto-dark .navbar .nav-link:hover,
.quarto-dark .navbar .dropdown-toggle:hover {
  color: #fff !important;
}
.quarto-dark .navbar .nav-link:focus {
  color: #fff !important;
}
/* Dark mode: keep card borders and badge contrast readable */
.quarto-dark .quarto-grid-item {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}
.quarto-dark .quarto-grid-item:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.quarto-dark .quarto-grid-item .card-text {
  color: rgba(255, 255, 255, 0.8);
}

/* Refined callouts and block spacing */
.callout {
  border-radius: 6px;
  padding: 1rem 1.25rem;
}
.quarto-title blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: 1rem;
  margin: 1rem 0;
  color: #444;
}
.quarto-dark .quarto-title blockquote {
  color: rgba(255, 255, 255, 0.85);
}