.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 1rem 0 1.2rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.4rem;
}

.subnav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.35rem 0.7rem;
  color: var(--ink-soft);
  text-decoration: none;
  border-radius: 999px;
}

.subnav a:hover,
.subnav a[aria-current="page"] {
  color: var(--ink);
  background: var(--card);
}

.page-hero {
  margin: 0 0 1.4rem;
}

.page-hero h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 560;
}

.callout {
  padding: 1rem 1.1rem;
  margin: 1.2rem 0;
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
}

.callout strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-serif);
}

.tech-steps {
  display: grid;
  gap: 0.7rem;
  margin: 1.2rem 0 2rem;
}

.tech-step {
  padding: 0.9rem 1rem;
  background: var(--card);
  border: 1px solid var(--rule);
}

.tech-step h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
}

.tech-step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.2rem;
}

.filter-row input,
.filter-row select {
  flex: 1 1 12rem;
  min-height: 44px;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--rule);
  background: var(--card);
  color: var(--ink);
  font: inherit;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.toolbar .btn,
.toolbar .btn.ghost {
  min-height: 44px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr));
  gap: 0.85rem;
  padding-bottom: 4rem;
}

.postcard {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  min-height: 0;
}

.postcard:hover {
  border-color: var(--accent);
  color: inherit;
}

.postcard img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--rule);
}

.postcard .caption {
  padding: 0.65rem 0.75rem 0.8rem;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  line-height: 1.3;
}

.postcard .caption span {
  display: block;
  color: var(--ink-soft);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  margin-top: 0.25rem;
}

.detail-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.kbd-hint {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-family: var(--font-sans);
  letter-spacing: 0.12em;
}

.detail {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  padding-bottom: 4rem;
}

.faces {
  display: grid;
  gap: 0.8rem;
}

.face-block {
  display: grid;
  gap: 0.45rem;
}

.face-label {
  margin: 0;
  color: var(--moss);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.face-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.face-tools .btn.ghost {
  padding: 0.35rem 0.65rem;
  font-size: 0.88rem;
}

.loupe {
  position: relative;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--rule);
  touch-action: none;
  cursor: crosshair;
}

.loupe img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.2s ease;
  transform-origin: center center;
}

.loupe-lens {
  display: none;
  position: absolute;
  width: 140px;
  height: 140px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  box-shadow: var(--shadow);
  background-repeat: no-repeat;
}

.fields dt {
  margin: 0.9rem 0 0.15rem;
  color: var(--moss);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fields dd {
  margin: 0;
  white-space: pre-wrap;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr));
  gap: 0.7rem;
  margin-bottom: 1.4rem;
}

.stat {
  padding: 0.9rem 1rem;
  background: var(--card);
  border: 1px solid var(--rule);
}

.stat .label {
  color: var(--moss);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat .value {
  font-family: var(--font-serif);
  font-size: 1.45rem;
}

.prose p {
  max-width: 42rem;
}

.prose ul {
  max-width: 42rem;
  padding-left: 1.2rem;
}

#graph {
  height: min(70vh, 36rem);
  width: 100%;
  background: var(--card);
  border: 1px solid var(--rule);
  margin: 0;
}

.graph-wrap {
  display: grid;
  grid-template-columns: 1fr minmax(14rem, 18rem);
  gap: 0.85rem;
  margin: 1rem 0 2.5rem;
}

.graph-inspector {
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--rule);
  min-height: 8rem;
}

.graph-inspector-name {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.3;
}

.graph-inspector-stats {
  margin: 0.6rem 0 0;
}

.graph-inspector-stats dt:first-child {
  margin-top: 0;
}

.graph-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 0.8rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.graph-legend span::before {
  content: "";
  display: inline-block;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  margin-right: 0.35rem;
  vertical-align: middle;
  border: 2px solid transparent;
}

.legend-sender::before { background: #f5e0da; border-color: #9c3b24; }
.legend-recipient::before { background: #dce8e0; border-color: #3f5d4a; }
.legend-both::before { background: #ede4d4; border-color: #b8956a; }

.graph-intro {
  margin-bottom: 0.6rem;
}

.graph-intro p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.chart-wrap {
  margin: 1.2rem 0 2rem;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--rule);
}

.year-chart-svg {
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.year-chart-svg svg {
  display: block;
  min-width: 100%;
  height: 12.5rem;
}

.year-bar-fill {
  fill: var(--accent);
}

.year-bar-count {
  fill: var(--ink);
  font-family: var(--font-sans);
  font-size: 8px;
  font-weight: 600;
  text-anchor: middle;
}

.year-bar-label {
  fill: var(--ink-soft);
  font-family: var(--font-sans);
  font-size: 9px;
  text-anchor: middle;
}

.chart-note {
  margin: 0.5rem 0 0;
}

.chrono-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding-bottom: 3rem;
}

.timeline-visual {
  position: relative;
  padding-left: 1.2rem;
  border-left: 2px solid var(--rule);
}

.timeline-year {
  margin: 1.5rem 0 0.6rem -1.35rem;
  padding: 0.25rem 0.65rem;
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  border-radius: 999px;
}

.timeline-card {
  display: block;
  margin: 0.65rem 0 1rem;
  padding: 0.85rem 1rem;
  background: var(--card);
  border: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
}

.timeline-card:hover {
  border-color: var(--accent);
  color: inherit;
}

.timeline-card .when {
  color: var(--moss);
  font-size: 0.82rem;
}

.timeline-card strong {
  display: block;
  margin-top: 0.2rem;
}

.map-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 22rem) 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

#map {
  height: min(70vh, 34rem);
  width: 100%;
  background: var(--card);
  border: 1px solid var(--rule);
}

.place-list {
  max-height: min(70vh, 34rem);
  overflow-y: auto;
  border: 1px solid var(--rule);
  background: var(--card);
}

.place-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.7rem 0.85rem;
  border: none;
  border-bottom: 1px solid var(--rule);
  background: transparent;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.place-item:hover,
.place-item.is-active {
  background: var(--paper);
}

.place-item strong {
  display: block;
  font-family: var(--font-serif);
}

.place-item .meta {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.place-cards {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--rule);
}

.place-cards ul {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}

.place-cards li {
  padding: 0.35rem 0;
}

.ident-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
}

.ident-table th,
.ident-table td {
  text-align: left;
  padding: 0.55rem 0.4rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.search-list {
  list-style: none;
  padding: 0 0 3rem;
  margin: 0;
}

.search-list li {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--rule);
}

.status {
  color: var(--ink-soft);
}

.empty {
  color: var(--ink-soft);
  padding: 2rem 0;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(28, 23, 18, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-width: min(96vw, 1400px);
  max-height: 92vh;
  object-fit: contain;
  transform-origin: center center;
  transition: transform 0.2s ease;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 900px) {
  .graph-wrap {
    grid-template-columns: 1fr;
  }

  .graph-inspector {
    min-height: auto;
  }

  .map-layout {
    grid-template-columns: 1fr;
  }

  .place-list {
    max-height: 14rem;
  }
}

@media (max-width: 800px) {
  .detail {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .wrap {
    width: min(var(--max), calc(100% - 1.4rem));
  }
}

@supports (padding: max(0px)) {
  body {
    padding-bottom: env(safe-area-inset-bottom);
  }
}