/* ===== Oh Lab - Custom Dark Theme ===== */

/* -- Color Variables -- */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #12182b;
  --bg-card: #161d30;
  --accent-blue: #4fc3f7;
  --accent-gold: #f5c542;
  --text-primary: #e0e4e8;
  --text-secondary: #8b95a5;
  --border-color: #1e2a45;
}

/* -- Global Overrides -- */
body {
  background-color: var(--bg-primary) !important;
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

#quarto-content {
  background-color: var(--bg-primary);
}

.page-columns {
  background-color: var(--bg-primary);
}

main {
  background-color: var(--bg-primary);
}

/* -- Links -- */
a {
  color: var(--accent-blue);
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-gold);
}

/* -- Headings -- */
h1, h2, h3, h4, h5, h6 {
  color: #ffffff;
}

/* ===== Navbar ===== */
.navbar {
  background-color: var(--bg-primary) !important;
  border-bottom: 1px solid var(--border-color);
  padding: 0.7rem 1.5rem;
}

.navbar-brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff !important;
  letter-spacing: 0.01em;
}

.navbar .nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
  padding: 0.5rem 0.9rem !important;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--accent-blue) !important;
}

.navbar .navbar-nav .nav-item .nav-link.active {
  color: var(--accent-blue) !important;
}

.navbar-toggler {
  border-color: var(--border-color);
}

.navbar .bi {
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.navbar .bi:hover {
  color: var(--accent-blue);
}

/* ===== Hero Banner ===== */
.hero-banner {
  background: linear-gradient(160deg, var(--bg-primary) 0%, #0f1628 40%, #131b33 100%);
  padding: 7rem 2rem 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 50% 60%, rgba(79, 195, 247, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-banner h1 {
  font-size: 3.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.3rem;
  letter-spacing: -0.03em;
}

.hero-banner h3 {
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--accent-blue);
  margin-bottom: 0.6rem;
  letter-spacing: 0.01em;
}

.hero-banner .hero-institution {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.hero-banner .hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto 2.2rem;
}

.hero-banner .btn {
  padding: 0.6rem 1.8rem;
  font-weight: 600;
  border-radius: 6px;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.hero-banner .btn-primary {
  background-color: var(--accent-blue);
  border-color: var(--accent-blue);
  color: var(--bg-primary);
}

.hero-banner .btn-primary:hover {
  background-color: #39b0e6;
  border-color: #39b0e6;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(79, 195, 247, 0.25);
}

.hero-banner .btn-outline-light {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-secondary);
}

.hero-banner .btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ===== Content Sections ===== */
.content-section {
  padding: 4.5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.9rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 2.5rem;
  text-align: center;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--accent-blue);
  margin: 0.8rem auto 0;
  border-radius: 2px;
}

.section-link {
  display: block;
  text-align: center;
  color: var(--accent-blue);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  margin-top: 1.5rem;
  transition: color 0.2s ease;
}

.section-link:hover {
  color: var(--accent-gold);
  text-decoration: none;
}

/* ===== Alternate Background Section ===== */
.alt-bg {
  background-color: var(--bg-secondary);
  max-width: 100%;
  padding: 4.5rem 2rem;
}

.alt-bg .section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

/* ===== Research Card Grid ===== */
.research-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .research-grid {
    grid-template-columns: 1fr;
  }
}

.research-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.8rem;
  transition: all 0.3s ease;
}

.research-card:hover {
  border-color: rgba(79, 195, 247, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.research-card h4 {
  color: var(--accent-blue);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.research-card .card-img {
  width: 100%;
  height: 150px;
  object-fit: contain;
  margin-bottom: 1rem;
  border-radius: 6px;
  background-color: rgba(255, 255, 255, 0.03);
  padding: 0.5rem;
}

.research-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ===== Publication Items ===== */
.pub-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
}

.pub-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-blue);
  border-radius: 0 8px 8px 0;
  padding: 1.4rem 1.6rem;
  transition: all 0.3s ease;
}

.pub-item:hover {
  border-left-color: var(--accent-gold);
  background-color: rgba(22, 29, 48, 0.8);
}

.pub-item .pub-title {
  color: #ffffff;
  font-weight: 600;
  font-size: 0.98rem;
  margin-bottom: 0.3rem;
  line-height: 1.5;
}

.pub-item .pub-authors {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-bottom: 0.4rem;
}

.pub-item .pub-journal {
  color: var(--accent-gold);
  font-size: 0.88rem;
  font-style: italic;
}

.pub-link {
  display: inline-block;
  margin-top: 0.5rem;
  color: var(--accent-blue);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
}

.pub-link:hover {
  color: var(--accent-gold);
}

/* ===== Software Cards ===== */
.software-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

@media (max-width: 768px) {
  .software-grid {
    grid-template-columns: 1fr;
  }
}

.software-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.6rem;
  transition: all 0.3s ease;
}

.software-card:hover {
  border-color: rgba(79, 195, 247, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.software-card h4 {
  margin-bottom: 0.6rem;
}

.software-card h4 a {
  color: var(--accent-blue);
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
}

.software-card h4 a:hover {
  color: var(--accent-gold);
}

.software-card .badge {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.badge-bioc {
  background-color: rgba(79, 195, 247, 0.15);
  color: var(--accent-blue);
}

.badge-cran {
  background-color: rgba(245, 197, 66, 0.15);
  color: var(--accent-gold);
}

.software-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* ===== Join Section ===== */
.join-section {
  text-align: center;
  background: linear-gradient(160deg, var(--bg-secondary) 0%, #0f1628 100%);
  max-width: 100%;
  padding: 4.5rem 2rem;
  border-top: 1px solid var(--border-color);
}

.join-section p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto 0.8rem;
  line-height: 1.7;
}

.join-section .btn {
  margin-top: 1.2rem;
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  font-weight: 600;
  padding: 0.6rem 1.8rem;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.join-section .btn:hover {
  background-color: var(--accent-blue);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.nav-footer {
  background-color: var(--bg-primary) !important;
  border-top: 1px solid var(--border-color) !important;
  color: var(--text-secondary) !important;
}

.nav-footer a {
  color: var(--text-secondary) !important;
}

.nav-footer a:hover {
  color: var(--accent-blue) !important;
}

/* ===== Tables (people.qmd, bio.qmd) ===== */
.table {
  color: var(--text-primary) !important;
  --bs-table-bg: transparent;
}

.table td,
.table th {
  border-color: var(--border-color) !important;
  background-color: transparent !important;
}

.table thead th {
  border-color: var(--border-color) !important;
}

.table-hover > tbody > tr:hover > * {
  background-color: var(--bg-card) !important;
  color: var(--text-primary) !important;
}

/* kableExtra paper tables */
.lightable-paper {
  background-color: transparent !important;
}

.lightable-paper td,
.lightable-paper th {
  background-color: transparent !important;
  color: var(--text-primary) !important;
}

/* ===== About Page (jolla template) ===== */
.about-entity {
  background-color: transparent !important;
}

.about-entity .about-link {
  color: var(--accent-blue) !important;
  border-color: var(--accent-blue) !important;
  transition: all 0.2s ease;
}

.about-entity .about-link:hover {
  color: var(--bg-primary) !important;
  background-color: var(--accent-blue) !important;
}

/* ===== Research Page ===== */
.quarto-body-content img {
  border-radius: 8px;
}

/* ===== Quarto Search ===== */
.aa-DetachedOverlay .aa-Panel {
  background-color: var(--bg-secondary) !important;
}

.aa-Item {
  color: var(--text-primary) !important;
}

/* ===== Responsive ===== */
@media (max-width: 576px) {
  .hero-banner {
    padding: 4rem 1.2rem 3rem;
  }

  .hero-banner h1 {
    font-size: 2.4rem;
  }

  .hero-banner h3 {
    font-size: 1.1rem;
  }

  .content-section,
  .alt-bg,
  .join-section {
    padding: 3rem 1.2rem;
  }

  .section-title {
    font-size: 1.5rem;
  }
}