/* Custom site styles */

/* Approximate the previous Quarto "spacelab" theme's steel-blue accent color */
:root, [data-md-color-scheme="default"] {
  --md-primary-fg-color: #446e9b;
  --md-primary-fg-color--light: #6e93b8;
  --md-primary-fg-color--dark: #345477;
  --md-accent-fg-color: #446e9b;
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #446e9b;
  --md-primary-fg-color--light: #6e93b8;
  --md-primary-fg-color--dark: #345477;
  --md-accent-fg-color: #6e93b8;
}

/* "On this page" TOC: only show ## headings by default; expand ###
   sub-headings only for whichever section is currently active while
   scrolling. Relies on the theme's own scroll-driven active-link class. */
.md-nav--secondary .md-nav__item .md-nav {
  display: none;
}

.md-nav--secondary .md-nav__item:has(.md-nav__link--active) > .md-nav {
  display: block;
}

.page-meta {
  display: flex;
  gap: 0.5rem;
  font-size: 0.7rem;
  color: var(--md-default-fg-color--light);
  margin-bottom: 1rem;
}

.pill-links p {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.pill-links a.pill {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  background-color: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color, #fff);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.15s ease;
}

.pill-links a.pill:hover {
  background-color: var(--md-primary-fg-color--dark);
}

/* --- home.md landing page --- */

/* ─── Color Variables ───────────────────────────────────────── */
:root,
[data-md-color-scheme="default"] {
  --lab-primary: #1E2755;
  --lab-accent: #8DBAD9;
  --lab-chip-bg: #1E2755;
  --lab-chip-text: white;
  --lab-chip-border: #1E2755;
}

[data-md-color-scheme="slate"] {
  --lab-primary: white;
  --lab-accent: #8DBAD9;
  --lab-chip-bg: #8DBAD9;
  --lab-chip-text: #1E2755;
  --lab-chip-border: #8DBAD9;
}

/* ─── Hero Section ─────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 3rem 2rem 2rem;
}

.hero-logo {
  width: 150px;
  margin-bottom: 1rem;
}


.hero-title {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--lab-primary);
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--md-default-fg-color--light);
  max-width: 680px;
  margin: 0 auto 0.75rem;
  line-height: 1.7;
}

/* ─── Cards Grid ────────────────────────────────────────────── */
.wiki-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.wiki-card {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
  padding: 1.5rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  background: var(--md-default-bg-color);
  border-top: 3px solid var(--lab-chip-border);
}

.wiki-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.wiki-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.wiki-card-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.wiki-card h3 {
  color: var(--lab-primary);
  font-size: 1.15rem;
  margin: 0;
}

.wiki-card p {
  font-size: 0.9rem;
  color: var(--md-default-fg-color--light);
  margin-bottom: 0.75rem;
}

.wiki-card ul {
  padding-left: 1.2rem;
  margin: 0;
}

.wiki-card ul li {
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}

.wiki-card a {
  color: var(--lab-accent);
  text-decoration: none;
}

.wiki-card a:hover {
  text-decoration: underline;
}

.wiki-card h3 a.card-title-link {
  color: var(--lab-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.wiki-card h3 a.card-title-link .chevron {
  transition: transform 0.15s ease;
}

.wiki-card h3 a.card-title-link:hover {
  text-decoration: underline;
}

.wiki-card h3 a.card-title-link:hover .chevron {
  transform: translateX(3px);
}

.wiki-card-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 0.75rem;
  object-fit: contain;
}

/* ─── Two-column list inside a card ────────────────────────── */
.two-col-list ul {
  columns: 2;
  column-gap: 1rem;
}

/* ─── Contributors Row ──────────────────────────────────────── */
.contributor-note {
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
  margin-top: 0.5rem;
}

.contributors {
  display: flex;
  flex-wrap: wrap;
  gap: 0rem;
  margin: 0.25rem 0 0.1rem;
  align-items: flex-start;
  overflow: visible;
}

.contributor {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 80px;
  overflow: visible;
  z-index: 0;
}

.contributor:hover {
  z-index: 100;
}

.contributor img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 1px solid var(--lab-primary);
  margin-bottom: 0.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contributor img:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ─── Tooltip ───────────────────────────────────────────────── */
.contributor::after {
  content: attr(data-name);
  position: absolute;
  top: 110%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--lab-chip-bg);
  color: var(--lab-chip-text);
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  font-size: 0.6rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 100;    /* ← ensures tooltip is always on top */
}

/* Triangle pointer */
.contributor::before {
  content: "";
  position: absolute;
  top: calc(110% - 6px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-bottom-color: var(--lab-primary);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 100;
}

/* Show on hover */
.contributor:hover::after,
.contributor:hover::before {
  opacity: 1;
}

/* ─── Wiki group ──────────────────────────────────────────── */
.wiki-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1rem 0 0.5rem;
}

.wiki-group-chip {
  background: var(--lab-chip-bg);
  color: var(--lab-chip-text);
  border-radius: 999px;
  padding: 0.35rem 1rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.wiki-group-note {
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
  margin-top: 0.5rem;
}

/* ─── Responsive (mobile) ───────────────────────────────────── */
@media (max-width: 640px) {
  .wiki-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 1.8rem;
  }
}