:root {
  --color-primary: #6a1b3d;
  --color-accent: #d4af37;
  --color-bg: #f7f5f2;
  --color-card-bg: #ffffff;
  --color-border: #e0d8cd;
  --color-text: #2a2a2a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

.site-header {
  background: var(--color-primary);
  color: #fff;
  padding: 1.5rem 2rem;
}

.site-header h1 {
  margin: 0 0 0.25rem 0;
  font-size: 1.75rem;
}

.subtitle {
  margin: 0;
  opacity: 0.9;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 2rem;
  position: sticky;
  top: 0;
}

.site-nav a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a:hover {
  color: var(--color-accent);
}

.history-year-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.6rem;
}

.history-year {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: #fbf7f1;
}

.history-year summary {
  padding: 0.65rem 0.8rem;
  color: var(--color-primary);
  cursor: pointer;
  font-weight: 700;
}

.history-year p {
  margin: 0;
  padding: 0 0.8rem 0.75rem;
  color: #7a6d5b;
  font-size: 0.9rem;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 2rem 3rem;
}

section {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

section h2 {
  margin-top: 0;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 0.4rem;
}

.chart-image {
  max-width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.site-footer {
  text-align: center;
  padding: 1rem;
  color: #776;
  font-size: 0.85rem;
}

.route-intro {
  margin-top: 0;
  color: #5f4d3d;
}

.route-map {
  min-height: 460px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  margin: 0.9rem 0 1.1rem;
  background: #f2f6f8;
}

.leaflet-map {
  min-height: 460px;
}

.route-map-empty {
  margin: 0;
  padding: 1rem;
  color: #7a6d5b;
  font-style: italic;
}

.leaflet-photo-marker img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.22);
}

.route-map-fallback {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
  padding: 0.65rem;
  height: 100%;
}

.route-map-fallback svg {
  width: 100%;
  height: 360px;
  display: block;
  border-radius: 8px;
  background: linear-gradient(180deg, #eef4f7 0%, #dcebf1 100%);
}

.route-map-legend {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.45rem 0.8rem;
  margin: 0;
  padding: 0.2rem 0.3rem 0.4rem;
}

.route-map-legend li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.84rem;
  color: #4d402f;
  line-height: 1.3;
}

.route-map-legend span {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex: 0 0 14px;
}

.route-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.25rem;
  display: grid;
  gap: 0.6rem;
}

.route-list li {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: #fbf7f1;
}

.route-downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.4rem;
}

.route-downloads a {
  color: var(--color-primary);
  font-weight: 600;
}

.route-summary {
  margin: 0.8rem 0;
  padding: 0.8rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fbf7f1;
  color: var(--color-primary);
  font-weight: 800;
}

.route-stage-stats {
  color: #5f4d3d;
  font-weight: 600;
}

.route-note {
  color: #7a6d5b;
  font-style: italic;
}

.route-item {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: linear-gradient(180deg, #fcfaf7 0%, #f7f1e8 100%);
}

.route-heading {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.route-photos-details {
  border-top: 1px solid var(--color-border);
  padding-top: 0.65rem;
}

.route-photos-label {
  margin: 0;
  color: var(--color-primary);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
}

.route-photos-details[open] .route-photos-label {
  margin-bottom: 0.65rem;
}

.route-photos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.7rem;
}

.route-photo-card {
  margin: 0;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.route-photo-card a {
  display: block;
  width: 100%;
  height: 100%;
}

.route-photo-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.year-variant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1rem;
}

.year-variant {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem;
  background: #fbf7f1;
}

.year-variant h3 {
  margin: 0 0 0.75rem;
  color: var(--color-primary);
}

.year-file-list {
  list-style: none;
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.year-file-list a {
  color: var(--color-primary);
  overflow-wrap: anywhere;
}

.year-empty {
  margin-bottom: 0;
  color: #7a6d5b;
  font-style: italic;
}

.year-route-map {
  min-height: 480px;
}

.year-map-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  margin: 0.75rem 0;
}

.year-map-variant {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text);
  font-size: 0.9rem;
}

.year-map-variant input {
  margin: 0;
}

.year-map-swatch {
  width: 1.2rem;
  height: 0.25rem;
  border-radius: 2px;
}

.year-map-variant:has(input:disabled) {
  color: #7a6d5b;
}

.route-map-status {
  color: #7a6d5b;
  font-size: 0.9rem;
  margin: 0 0 1rem;
}

.route-map-status:empty {
  display: none;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.6rem;
}

.gallery-item {
  margin: 0;
  aspect-ratio: 1 / 1;
}

.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  display: block;
  background: linear-gradient(110deg, #f2ece3 8%, #e8dece 18%, #f2ece3 33%);
  background-size: 200% 100%;
}

.gallery-item.is-loading img {
  animation: loading-shimmer 1.2s linear infinite;
}

.gallery-videos {
  margin-top: 1rem;
  font-size: 0.9rem;
}

.gallery-videos a {
  color: var(--color-primary);
}

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.lightbox[hidden] {
  display: none;
}

.lightbox-image {
  max-width: 85vw;
  max-height: 80vh;
  border-radius: 4px;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next,
.lightbox-play {
  position: absolute;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: none;
  cursor: pointer;
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  font-size: 1.2rem;
}

.lightbox-close {
  top: 1rem;
  right: 1rem;
  font-size: 1.8rem;
  line-height: 1;
}

.lightbox-prev {
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-play {
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.9rem;
}

.lightbox-counter {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  color: #fff;
  font-size: 0.85rem;
  margin: 0;
}

.lightbox-caption {
  position: absolute;
  bottom: 1.6rem;
  left: 1.5rem;
  right: 8rem;
  color: #fff;
  font-size: 0.85rem;
  margin: 0;
}

@keyframes loading-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}