:root {
  --bg-color: #040d1a;
  --bg-image: radial-gradient(circle at 50% 0%, #0a1f3d 0%, var(--bg-color) 70%);
  --nav-bg: rgba(4, 13, 26, 0.84);
  --primary-blue: #00d2ff;
  --primary-blue-dim: rgba(0, 210, 255, 0.2);
  --text-main: #ffffff;
  --text-muted: #a0aec0;
  --card-bg: rgba(255, 255, 255, 0.035);
  --line: rgba(255, 255, 255, 0.1);
  --menu-font-scale: 1;
  --body-font-scale: 1;
  --heading-scale: 1;
  --brand-color: #ffffff;
  --input-bg: #0b1a2e;
  --input-text: var(--text-main);
}

body.site-body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  color: var(--text-main);
  background-color: var(--bg-color);
  background-image: var(--bg-image);
  font-size: calc(16px * var(--body-font-scale));
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  overflow-anchor: none;
  padding: 1rem 1.2rem;
  background: var(--nav-bg);
  color: var(--text-main);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  z-index: 20;
  transition: padding 0.2s ease;
}

.site-header--compact {
  padding: 0.25rem 1.2rem;
}

.site-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-brand {
  color: var(--brand-color);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.22);
  font-weight: 800;
  letter-spacing: 1px;
  font-size: calc(1.45rem * var(--heading-scale));
  text-decoration: none;
  transition: font-size 0.2s ease;
}

.site-header--compact .site-brand {
  font-size: calc(1.2rem * var(--heading-scale));
}

.site-brand:hover {
  color: var(--primary-blue);
}

.site-topnav {
  margin-top: 0.5rem;
  max-height: 200px;
  overflow: visible;
  opacity: 1;
  font-size: calc(1rem * var(--menu-font-scale));
  transition: max-height 0.2s ease, margin-top 0.2s ease, opacity 0.15s ease;
}

.site-header--compact .site-topnav {
  max-height: 0;
  margin-top: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 1.1rem;
}

.nav-item {
  position: relative;
}

/* Hide dropdowns by default (mobile/touch) */
.nav-dropdown,
.nav-sub-dropdown,
.nav-sub-sub-dropdown {
  display: none;
}

/* Desktop-only hover dropdowns */
@media (hover: hover) and (min-width: 640px) {
  .nav-dropdown,
  .nav-sub-dropdown,
  .nav-sub-sub-dropdown {
    display: block;
    list-style: none;
    margin: 0;
    padding: 0.3rem 0;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--nav-bg);
    border: 1px solid var(--line);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(4px);
    transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease;
  }

  .nav-item--has-dropdown:hover > .nav-dropdown,
  .nav-item--has-dropdown:focus-within > .nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-dropdown-item {
    position: relative;
  }

  .nav-sub-dropdown,
  .nav-sub-sub-dropdown {
    top: 0;
    left: 100%;
    border-radius: 8px;
  }

  .nav-dropdown-item--has-sub:hover > .nav-sub-dropdown,
  .nav-dropdown-item--has-sub:focus-within > .nav-sub-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-sub-dropdown-item--has-sub2 {
    position: relative;
  }

  .nav-sub-dropdown-item--has-sub2:hover > .nav-sub-sub-dropdown,
  .nav-sub-dropdown-item--has-sub2:focus-within > .nav-sub-sub-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-dropdown a,
  .nav-sub-dropdown a,
  .nav-sub-sub-dropdown a {
    display: block;
    padding: 0.4rem 0.85rem;
    white-space: nowrap;
    color: var(--text-muted);
    font-size: calc(0.9rem * var(--menu-font-scale));
    transition: color 0.2s ease, background 0.2s ease;
  }

  .nav-dropdown a:hover,
  .nav-sub-dropdown a:hover,
  .nav-sub-sub-dropdown a:hover {
    color: var(--primary-blue);
    background: var(--primary-blue-dim);
  }

  .nav-item--has-dropdown > .site-nav-link::after {
    content: " ▾";
    font-size: 0.7em;
    opacity: 0.6;
  }

  .nav-dropdown-item--has-sub > a::after,
  .nav-sub-dropdown-item--has-sub2 > a::after {
    content: " ▸";
    font-size: 0.7em;
    opacity: 0.6;
    float: right;
    margin-left: 0.5rem;
  }
}

.site-header a:not(.site-brand) {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.25s ease;
}

.site-header a:hover {
  color: var(--primary-blue);
}

.site-main {
  max-width: 1080px;
  margin: 24px auto;
  padding: 0 16px;
  line-height: calc(1.65 * var(--body-font-scale));
}

.site-main h1,
.site-main h2,
.site-main h3 {
  color: var(--primary-blue);
  line-height: 1.25;
}

.site-main h1 {
  font-size: calc(2rem * var(--heading-scale));
}

.site-main h2 {
  font-size: calc(1.55rem * var(--heading-scale));
}

.site-main h3 {
  font-size: calc(1.2rem * var(--heading-scale));
}

.site-main a {
  color: var(--primary-blue);
}

.site-main img {
  max-width: 100%;
  height: auto;
}

nav.breadcrumbs {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

nav.breadcrumbs a {
  color: var(--text-main);
  text-decoration: none;
}

nav.breadcrumbs .sep {
  color: #64748b;
  padding: 0 6px;
}

nav.breadcrumbs [aria-current="page"] {
  color: var(--primary-blue);
  font-weight: 600;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.gallery-item {
  margin: 0;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.gallery-item:hover {
  transform: translateY(-5px);
  border-color: var(--primary-blue);
  box-shadow: 0 10px 26px var(--primary-blue-dim);
}

.gallery-item-img {
  display: block;
  width: 100%;
  max-width: none;
  height: 200px;
  object-fit: cover;
  object-position: center;
  border-bottom: 1px solid var(--line);
}

.gallery-item figcaption {
  padding: 0.7rem 0.8rem 0.9rem;
}

.gallery-caption-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.gallery-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.gallery-list-item {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem;
}

.gallery-list-thumb {
  width: 160px;
  min-width: 160px;
  height: 120px;
  object-fit: cover;
  object-position: center;
  border-radius: 6px;
  display: block;
}

.gallery-list-info {
  flex: 1;
  min-width: 0;
}

.gallery-list-caption {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  line-height: 1.5;
}

@media (max-width: 600px) {
  .gallery-list-item {
    flex-direction: column;
  }
  .gallery-list-thumb {
    width: 100%;
    min-width: unset;
    height: 180px;
  }
}

.site-footer {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.site-footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 16px 26px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.site-footer p {
  margin: 0 0 10px;
}

.site-footer a {
  color: var(--primary-blue);
}

.share-facebook-icon {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #ffffff;
  background: #1877f2;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 12px rgba(24, 119, 242, 0.45);
  text-decoration: none;
}

.site-header-tools {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.site-header--compact .site-search-form,
.site-header--compact .theme-switcher,
.site-header--compact .edit-page-link {
  display: none;
}

.site-header--compact .site-header-row {
  flex-wrap: nowrap;
  align-items: center;
}

.site-header--compact .site-header-tools {
  width: auto;
  flex-wrap: nowrap;
}

.edit-page-link {
  display: inline-block;
  border: 1px solid var(--line);
  background: var(--card-bg);
  color: var(--text-main);
  border-radius: 8px;
  padding: 0.34rem 0.55rem;
  text-decoration: none;
  white-space: nowrap;
}

.edit-page-link:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

.site-search-form {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.site-search-input {
  width: min(42vw, 320px);
  border: 1px solid var(--line);
  background: var(--input-bg);
  color: var(--input-text);
  border-radius: 8px;
  padding: 0.34rem 0.55rem;
}

.site-search-input::placeholder {
  color: var(--text-muted);
}

.site-search-btn {
  border: 1px solid var(--line);
  background: var(--card-bg);
  color: var(--text-main);
  border-radius: 8px;
  padding: 0.34rem 0.6rem;
  cursor: pointer;
}

.site-search-btn:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

.theme-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-muted);
  font-size: calc(0.88rem * var(--menu-font-scale));
}

.theme-select {
  border: 1px solid var(--line);
  background: var(--input-bg);
  color: var(--input-text);
  border-radius: 8px;
  padding: 0.28rem 0.45rem;
}

.theme-select option {
  background: var(--input-bg);
  color: var(--input-text);
}

.share-facebook-icon svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

.share-facebook-icon:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 16px rgba(24, 119, 242, 0.6);
}

.hierarchy-wrap {
  display: grid;
  gap: 1rem;
}

.hier-menu {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem 1rem;
}

.hier-menu h2,
.hier-menu h3 {
  margin: 0 0 0.5rem;
}

.hier-menu h3 {
  font-size: 1rem;
  color: var(--text-main);
}

.hier-menu ul {
  margin: 0.4rem 0 0.8rem 1.1rem;
}

.hier-sub:last-child ul {
  margin-bottom: 0.1rem;
}

.menu-landing-wrap {
  display: grid;
  gap: 0.9rem;
}

.menu-landing-section {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem 1rem;
}

.menu-landing-section h2 {
  margin: 0 0 0.55rem;
}

.menu-landing-section ul {
  margin: 0.3rem 0 0.1rem 1.1rem;
}

.menu-trail {
  display: block;
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-top: 0.08rem;
}

.page-embed-links {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 1rem;
  margin-bottom: 1rem;
}

.page-embed-links strong {
  color: var(--primary-blue);
}

.page-embed-links ul {
  margin: 0.35rem 0 0.1rem 1.2rem;
}

.embedded-gallery {
  margin: 1.2rem 0 1.8rem;
}

.embedded-gallery-desc {
  color: var(--text-muted);
}

.gallery-thumb-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.gallery-thumb-cell {
  width: 25%;
  padding: 8px;
  vertical-align: top;
  overflow: hidden;
  text-align: center;
}

.gallery-thumb-link {
  display: block;
  max-width: 220px;
  margin: 0 auto;
}

.gallery-thumb-img {
  width: min(100%, 220px);
  max-width: 220px;
  height: 140px;
  object-fit: cover;
  object-position: center;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.gallery-thumb-caption {
  margin-top: 0.35rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gallery-missing {
  color: #fca5a5;
}

.content-image {
  margin: 1rem 0;
}

.content-image img {
  display: block;
  max-width: 100%;
  height: auto;
}

.content-image figcaption {
  margin-top: 0.35rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.content-image.align-left {
  float: left;
  margin: 0.35rem 1rem 0.8rem 0;
}

.content-image.align-right {
  float: right;
  margin: 0.35rem 0 0.8rem 1rem;
}

.content-image.align-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.content-image.size-sm {
  max-width: 240px;
}

.content-image.size-md {
  max-width: 420px;
}

.content-image.size-lg {
  max-width: 620px;
}

.content-image.size-full {
  max-width: 100%;
}

.lightbox-open {
  overflow: hidden;
}

.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.92);
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 56px;
  align-items: center;
  z-index: 1000;
}

.lightbox-overlay[hidden] {
  display: none !important;
}

.lightbox-figure {
  margin: 0 auto;
  max-width: min(92vw, 1200px);
  text-align: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 78vh;
  border-radius: 8px;
  cursor: pointer;
}

.lightbox-caption {
  margin-top: 0.6rem;
  color: #dbeafe;
}

.lightbox-gallery-name {
  display: block;
  font-size: 0.8rem;
  opacity: 0.7;
  margin-bottom: 0.2rem;
}

.lightbox-caption-text {
  display: block;
  font-weight: 600;
}

.lightbox-credit {
  display: block;
  font-size: 0.82rem;
  opacity: 0.75;
  margin-top: 0.2rem;
}

.lightbox-close,
.lightbox-nav {
  border: 0;
  background: transparent;
  color: #e2e8f0;
  font-size: 2.1rem;
  cursor: pointer;
  margin: 0;
  padding: 0;
  line-height: 1;
}

.lightbox-close {
  position: absolute;
  top: 14px;
  right: 18px;
}

.lightbox-prev {
  justify-self: center;
}

.lightbox-next {
  justify-self: center;
}

body.site-body[data-theme="dark"] {
  --bg-color: #040d1a;
  --bg-image: radial-gradient(circle at 50% 0%, #0a1f3d 0%, var(--bg-color) 70%);
  --nav-bg: rgba(4, 13, 26, 0.84);
  --primary-blue: #00d2ff;
  --primary-blue-dim: rgba(0, 210, 255, 0.2);
  --text-main: #ffffff;
  --text-muted: #a0aec0;
  --card-bg: rgba(255, 255, 255, 0.035);
  --line: rgba(255, 255, 255, 0.1);
  --brand-color: #ffffff;
  --menu-font-scale: 1;
  --body-font-scale: 1;
  --heading-scale: 1;
}

body.site-body[data-theme="light"] {
  --bg-color: #f2f7fc;
  --bg-image: radial-gradient(circle at 50% -20%, #dfeffc 0%, #f2f7fc 60%);
  --nav-bg: rgba(250, 252, 255, 0.92);
  --primary-blue: #0b5ed7;
  --primary-blue-dim: rgba(11, 94, 215, 0.16);
  --text-main: #0f172a;
  --text-muted: #475569;
  --card-bg: rgba(255, 255, 255, 0.9);
  --line: rgba(15, 23, 42, 0.16);
  --brand-color: #0f172a;
  --input-bg: #ffffff;
  --input-text: #0f172a;
}

body.site-body[data-theme="contrast"] {
  --bg-color: #000000;
  --bg-image: none;
  --nav-bg: #000000;
  --primary-blue: #ffea00;
  --primary-blue-dim: rgba(255, 234, 0, 0.24);
  --text-main: #ffffff;
  --text-muted: #ffffff;
  --card-bg: #000000;
  --line: #ffffff;
  --brand-color: #ffffff;
  --input-bg: #000000;
  --input-text: #ffffff;
}

body.site-body[data-theme="large"] {
  --menu-font-scale: 1.18;
  --body-font-scale: 1.18;
  --heading-scale: 1.16;
}

body.site-body[data-theme="light"] .site-header {
  border-bottom: 1px solid rgba(15, 23, 42, 0.14);
}

body.site-body[data-theme="light"] .site-brand {
  text-shadow: none;
}

body.site-body[data-theme="light"] .site-header a {
  color: #334155;
}

body.site-body[data-theme="light"] .site-header a:hover {
  color: var(--primary-blue);
}

body.site-body[data-theme="light"] .share-facebook-icon {
  border-color: rgba(15, 23, 42, 0.2);
}

body.site-body[data-theme="contrast"] .site-header {
  border-bottom-color: #ffffff;
  backdrop-filter: none;
}

body.site-body[data-theme="contrast"] .site-header a {
  color: #ffffff;
}

body.site-body[data-theme="contrast"] .site-header a:hover {
  color: var(--primary-blue);
}

body.site-body[data-theme="contrast"] .hier-menu,
body.site-body[data-theme="contrast"] .menu-landing-section,
body.site-body[data-theme="contrast"] .page-embed-links,
body.site-body[data-theme="contrast"] .gallery-item {
  box-shadow: none;
}

body.site-body[data-theme="contrast"] .gallery-missing {
  color: #ff8a8a;
}

body.site-body[data-theme="contrast"] .lightbox-overlay {
  background: rgba(0, 0, 0, 0.96);
}

@media (max-width: 860px) {
  .site-header-row {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .site-header-tools {
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
    max-height: 200px;
    overflow: hidden;
    transition: opacity 0.15s ease, max-height 0.2s ease;
  }

  .site-header--compact .site-header-tools {
    max-height: 0;
  }

  .site-search-form {
    flex: 1 1 100%;
    justify-content: flex-end;
  }

  .site-search-input {
    width: min(100%, 420px);
  }

  .gallery-thumb-cell {
    width: 50%;
    display: inline-block;
  }

  .gallery-thumb-table tr {
    display: block;
  }

  .content-image.align-left,
  .content-image.align-right {
    float: none;
    margin: 1rem 0;
  }
}

/* Suppress header transitions during initial page-load state application */
.site-header--notransition,
.site-header--notransition .site-brand,
.site-header--notransition .site-topnav,
.site-header--notransition .site-header-tools {
  transition: none !important;
}

@media (max-width: 600px) {
  .site-header {
    padding: 0.6rem 0.9rem;
    backdrop-filter: none;
  }

  .site-header--compact {
    padding: 0.25rem 0.9rem;
  }

  .site-brand {
    font-size: calc(1.2rem * var(--heading-scale));
  }

  .theme-switcher,
  .share-facebook-icon {
    display: none;
  }

  .site-search-input {
    width: min(100%, 260px);
  }
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: var(--primary-blue, #00d2ff);
  color: var(--bg-color, #0a0f1a);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
  transition: background 0.2s, opacity 0.2s;
  opacity: 0.85;
}
.back-to-top:hover {
  opacity: 1;
}
.back-to-top.visible {
  display: flex;
}