/* ===== Theme Colors (Light) ===== */
:root,
[data-bs-theme="light"] {
  --navbar-bg: rgba(255, 255, 255, 0.95);
  --navbar-border: rgba(0, 0, 0, 0.08);
  --footer-bg: #f8f9fa;
  --footer-border: #e9ecef;
  --card-hover-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --section-border: #e9ecef;
  --pub-highlight-bg: #f8f9fa;
}

/* ===== Theme Colors (Dark) ===== */
[data-bs-theme="dark"] {
  --navbar-bg: rgba(33, 37, 41, 0.95);
  --navbar-border: rgba(255, 255, 255, 0.08);
  --footer-bg: #1a1d21;
  --footer-border: #2c3034;
  --card-hover-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --section-border: #2c3034;
  --pub-highlight-bg: #2c3034;
}

/* ===== Typography ===== */
body {
  font-family: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  padding-top: 80px;
  line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ===== Layout ===== */
.container {
  max-width: 1100px;
}

.main-content {
  min-height: calc(100vh - 200px);
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

/* ===== Smooth scroll ===== */
html {
  scroll-behavior: smooth;
}

/* ===== Navbar ===== */
#main-navbar {
  background-color: var(--navbar-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--navbar-border);
  transition: all 0.3s ease;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
  z-index: 1030;
}

#main-navbar.navbar-shrink {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

#main-navbar.navbar-shrink .navbar-brand {
  font-size: 1.05rem;
}

/* Safari fallback: solid background when backdrop-filter unsupported */
@supports not (backdrop-filter: blur(10px)) {
  #main-navbar {
    background-color: #ffffff;
  }
  [data-bs-theme="dark"] #main-navbar {
    background-color: #212529;
  }
}

#main-navbar .navbar-brand {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

#main-navbar .nav-link {
  font-weight: 500;
  font-size: 0.92rem;
  padding: 0.5rem 0.85rem;
  transition: color 0.2s ease;
  position: relative;
}

#main-navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--bs-primary);
  transition: width 0.3s ease, left 0.3s ease;
}

#main-navbar .nav-link:hover::after {
  width: 60%;
  left: 20%;
}

#theme-toggle,
#search-toggle {
  font-size: 1.05rem;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

#theme-toggle:hover,
#search-toggle:hover {
  opacity: 1;
}

/* ===== Footer ===== */
.site-footer {
  background-color: var(--footer-bg);
  border-top: 1px solid var(--footer-border);
  font-size: 0.9rem;
}

/* ===== Images ===== */
img {
  margin-bottom: 16px;
  margin-top: 12px;
  border-radius: 6px;
}

/* ===== Carousel ===== */
.carousel {
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 1.5rem;
  margin-top: 1rem;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
}

.carousel-item img {
  margin: 0;
  padding: 0;
  border-radius: 0;
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ===== Home ===== */
#homeid h1 {
  font-size: 1.65rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

#homeid img {
  margin: 0;
  border-radius: 0;
}

/* ===== Cards ===== */
.card {
  border: 1px solid var(--section-border);
  border-radius: 10px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card:hover {
  box-shadow: var(--card-hover-shadow);
  transform: translateY(-3px);
}

.notice-card {
  border-left: 4px solid var(--bs-primary);
}

.news-card .list-unstyled li {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--section-border);
  font-size: 0.95rem;
}

.news-card .list-unstyled li:last-child {
  border-bottom: none;
}

/* ===== Team Grid ===== */
#gridid img {
  margin: 12px 16px 6px 0;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

#gridid .row {
  margin-bottom: 4px;
}

#gridid .list-group-item {
  border: 1px solid var(--section-border);
  border-radius: 10px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  background: transparent;
}

#gridid .list-group-item:hover {
  box-shadow: var(--card-hover-shadow);
  transform: translateY(-4px);
  text-decoration: none;
}

/* ===== Publications ===== */
.pub-entry {
  padding: 1rem 0;
  border-bottom: 1px solid var(--section-border);
  transition: opacity 0.3s ease, max-height 0.3s ease;
}

.pub-entry:last-child {
  border-bottom: none;
}

.pub-entry h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.pub-entry h5, .pub-entry h6 {
  font-size: 0.9rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.pub-entry.hidden {
  display: none;
}

/* Publication filter buttons */
.pub-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.pub-filter-btn {
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--section-border);
  background: transparent;
  transition: all 0.2s ease;
}

.pub-filter-btn:hover,
.pub-filter-btn.active {
  background-color: var(--bs-primary);
  color: #fff;
  border-color: var(--bs-primary);
}

/* ===== Pic Page ===== */
#picid img {
  margin: 6px 3px 40px 6px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* ===== News ===== */
#newsid p {
  text-align: left;
}

#newsid img {
  margin-top: 6px;
  margin-bottom: 6px;
}

/* ===== Figcaption ===== */
figcaption {
  text-align: right;
  margin-top: -16px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ===== Custom elements ===== */
pubtit {
  font-weight: bold;
}

p.byline {
  text-align: center;
  font-size: 1.1rem;
  line-height: 2;
  margin-top: -1.5rem;
  margin-bottom: 3rem;
}

/* ===== Blockquote as Notice ===== */
blockquote {
  border-left: 4px solid var(--bs-primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 8px 8px 0;
  background-color: var(--pub-highlight-bg);
  margin: 1.5rem 0;
}

/* ===== Horizontal Rule ===== */
hr {
  border-color: var(--section-border);
  opacity: 0.5;
}

/* ===== Search Results ===== */
.search-result-item {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.search-result-item:hover {
  background-color: var(--pub-highlight-bg);
}

.search-result-item .result-type {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0.6;
}

.search-result-item .result-title {
  font-weight: 500;
  margin-bottom: 0.15rem;
}

.search-result-item .result-detail {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ===== Notice text (replaces inline font-size) ===== */
.notice-text {
  font-size: 1.05rem;
}

.notice-text-sm {
  font-size: 0.92rem;
}

.intern-text {
  font-size: 1.05rem;
}

/* ===== Member card ===== */
.member-card {
  max-width: 100%;
}

.member-card .member-name {
  font-family: sans-serif;
  font-weight: bold;
  font-size: 1.15rem;
  line-height: 1.6;
}

.member-card .member-role {
  font-size: 1.05rem;
}

/* ===== Gallery ===== */
.gallery-event {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.gallery-event h4 {
  margin-bottom: 1rem;
}

.gallery-event .carousel {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
  margin-top: 0.5rem;
}

.gallery-event .carousel-item img {
  margin: 0;
  padding: 0;
  border-radius: 0;
  width: 100%;
  height: 500px;
  object-fit: contain;
  background-color: #000;
  display: block;
}

/* ===== Responsive: Tablet (768px–991px) ===== */
@media (max-width: 991.98px) {
  body {
    padding-top: 66px;
  }

  .gallery-event .carousel-item img {
    height: 400px;
  }

  .member-card {
    max-width: 200px;
  }
}

/* ===== Responsive: Mobile (< 768px) ===== */
@media (max-width: 767.98px) {
  body {
    padding-top: 60px;
  }

  .main-content {
    padding-top: 1rem;
  }

  #homeid h1 {
    font-size: 1.35rem;
  }

  .carousel {
    margin-left: 0;
    margin-right: 0;
    border-radius: 8px;
  }

  .notice-text {
    font-size: 0.95rem;
  }

  .notice-text-sm {
    font-size: 0.85rem;
  }

  .intern-text {
    font-size: 0.95rem;
  }

  .member-card {
    max-width: 100%;
  }

  .member-card .member-name {
    font-size: 1.05rem;
  }

  .member-card .member-role {
    font-size: 0.95rem;
  }

  #gridid img {
    margin: 8px 10px 4px 0;
  }

  .pub-filters {
    margin-bottom: 1rem;
  }

  .pub-entry {
    padding: 0.75rem 0;
  }

  .pub-entry h4 {
    font-size: 0.95rem;
  }

  .gallery-event .carousel-item img {
    height: 250px;
  }

  .gallery-event {
    max-width: 100%;
  }

  blockquote {
    padding: 1rem;
  }
}

/* ===== Badge overrides ===== */
.badge {
  font-weight: 500;
  font-size: 0.75rem;
}