/* ── VILLAE ROMANAE ───────────────────────────────────────────── */
:root {
  --bg: #18140f;
  --bg-card: #241e17;
  --bg-card-hover: #2d261d;
  --border: #3a3128;
  --text: #ece4d6;
  --text-dim: #a89880;
  --gold: #c9a227;
  --gold-bright: #e6c14b;
  --city: #4263eb;
  --r1: #d7191c;
  --r2: #f17c33;
  --r3: #f5c518;
  --r4: #77c25e;
  --r5: #1a9641;
  --sidebar-w: 372px;
  --nav-h: 52px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

body.map-page { overflow: hidden; }

/* ── Top navigation ───────────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 2500;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 16px;
  background: linear-gradient(180deg, #221c14, #1a160f);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0,0,0,.4);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--gold-bright);
  font-family: 'Cinzel', serif;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .05em;
  white-space: nowrap;
}

.nav-logo span { text-shadow: 0 0 18px rgba(201,162,39,.3); }

.nav-burger {
  display: none; /* desktop: hidden, full nav already visible */
  align-items: center;
  justify-content: center;
  appearance: none;
  border: 1px solid rgba(201,162,39,.42);
  background: rgba(201,162,39,.14);
  box-shadow: inset 0 0 0 1px rgba(201,162,39,.18);
  color: var(--gold-bright);
  font-size: 19px;
  line-height: 1;
  width: 40px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  transition: border-color .15s, background .15s;
}

.nav-burger:hover { background: rgba(201,162,39,.22); border-color: rgba(201,162,39,.6); }

.nav-menu {
  position: fixed;
  top: calc(var(--nav-h) + 4px);
  left: 6px;
  z-index: 3000;
  width: 220px;
  background: linear-gradient(180deg, #241e17, #16120c);
  border: 1px solid var(--border);
  border-radius: 13px;
  box-shadow: 0 14px 40px rgba(0,0,0,.55);
  padding: 7px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-menu[hidden] { display: none; }

.nm-item {
  display: block;
  width: 100%;
  text-align: left;
  text-decoration: none;
  color: var(--text);
  background: transparent;
  border: none;
  border-radius: 9px;
  padding: 12px 13px;
  font: 600 15px 'Inter', sans-serif;
  cursor: pointer;
}

.nm-item:hover { background: rgba(255,255,255,.05); }

.nm-item.active {
  color: var(--gold-bright);
  background: rgba(201,162,39,.13);
  box-shadow: inset 0 0 0 1px rgba(201,162,39,.3);
}

.nm-sep { height: 1px; background: var(--border); margin: 6px 5px; }

.nm-langs { display: flex; gap: 6px; padding: 1px 5px 4px; }

.nm-lang {
  flex: 1;
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font: 700 13.5px 'Inter', sans-serif;
  padding: 9px;
  border-radius: 8px;
  cursor: pointer;
  transition: background .12s, color .12s, border-color .12s;
}

.nm-lang.active { background: var(--gold); color: #1a1408; border-color: var(--gold); }

.nav-tabs {
  display: flex;
  gap: 4px;
  flex: 1;
}

.nav-tabs a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 13.5px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 8px;
  transition: background .15s, color .15s;
  white-space: nowrap;
}

.nav-tabs a:hover { color: var(--text); background: rgba(255,255,255,.05); }

.nav-tabs a.active {
  color: var(--gold-bright);
  background: rgba(201,162,39,.13);
  box-shadow: inset 0 0 0 1px rgba(201,162,39,.32);
}

.nav-lang { flex-shrink: 0; }

.nav-about {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font: 600 12px 'Inter', sans-serif;
  padding: 6px 11px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color .15s, border-color .15s;
}

.nav-about:hover { color: var(--gold-bright); border-color: rgba(201,162,39,.4); }

/* About modal */
.about-overlay {
  position: fixed;
  inset: 0;
  z-index: 5000;
  background: rgba(10,8,5,.72);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.about-overlay[hidden] { display: none; }

.about-modal {
  position: relative;
  width: min(380px, 92vw);
  background: linear-gradient(175deg, #241e17, #16120c);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 26px 26px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}

.about-emoji { font-size: 40px; line-height: 1; }

.about-title {
  font-family: 'Cinzel', serif;
  font-weight: 800;
  color: var(--gold-bright);
  font-size: 22px;
  margin: 10px 0 6px;
  letter-spacing: .04em;
}

.about-line { color: var(--text); font-size: 15px; margin: 0 0 18px; }

.about-links { display: flex; flex-direction: column; gap: 9px; }

.about-links a {
  text-decoration: none;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px;
  font-size: 13.5px;
  font-weight: 600;
  transition: color .14s, border-color .14s, background .14s;
}

.about-links a:hover { border-color: var(--gold); background: var(--bg-card-hover); color: var(--gold-bright); }

.about-x {
  position: absolute;
  top: 9px;
  right: 12px;
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
}

.about-x:hover { color: var(--text); }

#app {
  display: flex;
  height: calc(100dvh - var(--nav-h));
}

/* ── Sidebar ──────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100%;
  display: flex;
  flex-direction: column;
  background: linear-gradient(175deg, #1d1812 0%, #18140f 40%);
  border-right: 1px solid var(--border);
  z-index: 1001;
}

.sb-header {
  padding: 18px 18px 12px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 120% 80% at 20% -20%, rgba(201,162,39,.13), transparent 60%);
}

.sb-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

h1 {
  font-family: 'Cinzel', serif;
  font-weight: 800;
  font-size: 23px;
  letter-spacing: .06em;
  margin: 0;
  color: var(--gold-bright);
  text-shadow: 0 1px 0 #000, 0 0 24px rgba(201,162,39,.35);
  white-space: nowrap;
}

.sb-subtitle {
  margin: 6px 0 0;
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.45;
}

.lang-switch {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 7px;
  overflow: hidden;
  flex-shrink: 0;
}

.lang-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font: 600 11px 'Inter', sans-serif;
  letter-spacing: .04em;
  padding: 5px 9px;
  cursor: pointer;
  transition: all .15s;
}

.lang-btn.active {
  background: var(--gold);
  color: #1a1408;
}

.lang-btn:not(.active):hover { color: var(--text); }

/* ── Controls ─────────────────────────────────────────────────── */
.sb-controls {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 11px;
}

#search {
  width: 100%;
  background: #100d09;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font: 400 13px 'Inter', sans-serif;
  padding: 8px 11px;
  outline: none;
  transition: border-color .15s;
}

#search:focus { border-color: var(--gold); }
#search::placeholder { color: #6e6150; }

.filter-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 12px;
  color: var(--text-dim);
}

.chk {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  font-size: 13px;
  user-select: none;
}

.chk input { display: none; }

.chk-mark {
  width: 15px;
  height: 15px;
  border-radius: 4px;
  border: 2px solid var(--text-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: transparent;
  transition: all .15s;
  flex-shrink: 0;
}

.villa-mark { border-radius: 50%; }
.palace-mark { border-radius: 3px; }
.city-mark { border-radius: 2px; transform: rotate(45deg); }

.chk input:checked + .villa-mark,
.chk input:checked + .palace-mark,
.chk input:checked + .city-mark {
  background: linear-gradient(135deg, var(--r5), var(--r3) 55%, var(--r1));
  border-color: #fff;
}

.chk input:checked + .wb-mark {
  background: #6e6150;
  border-color: var(--text-dim);
  color: #fff;
}

.chk input:checked + .unesco-mark {
  background: var(--gold);
  border-color: var(--gold);
  color: #1a1408;
}

.chk input:not(:checked) + .chk-mark { opacity: .55; }
.chk input:not(:checked) ~ span:last-child { opacity: .55; text-decoration: line-through; }

.wb-chk { font-size: 12px; color: var(--text-dim); }

/* star filter */
.star-filter { display: inline-flex; gap: 2px; }

.star-btn {
  appearance: none;
  border: none;
  background: transparent;
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  color: #4d4336;
  padding: 1px 2px;
  transition: transform .1s, color .15s;
}

.star-btn.lit { color: var(--gold-bright); text-shadow: 0 0 8px rgba(230,193,75,.45); }
.star-btn:hover { transform: scale(1.2); }

/* ── Legend ───────────────────────────────────────────────────── */
.sb-legend {
  padding: 11px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 11.5px;
  color: var(--text-dim);
}

.legend-title { margin-bottom: 6px; }

.legend-scale {
  display: flex;
  gap: 3px;
}

.legend-swatch {
  flex: 1;
  height: 10px;
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.35);
}

.legend-scale-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 3px;
  font-size: 10.5px;
}

.legend-shapes {
  margin-top: 9px;
  display: flex;
  gap: 13px;
  flex-wrap: wrap;
}

.lg-shape { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; }

.lg-circle, .lg-square, .lg-diamond {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,.5);
  background: linear-gradient(135deg, var(--r5), var(--r3) 55%, var(--r1));
}

.lg-circle { border-radius: 50%; }
.lg-square { border-radius: 3px; }
.lg-diamond { border-radius: 2px; transform: rotate(45deg); }

.sb-count {
  padding: 8px 18px;
  font-size: 11.5px;
  color: var(--text-dim);
  letter-spacing: .03em;
}

/* ── Site list ────────────────────────────────────────────────── */
#site-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 12px 12px;
  scrollbar-width: thin;
  scrollbar-color: #4d4336 transparent;
}

#site-list::-webkit-scrollbar { width: 8px; }
#site-list::-webkit-scrollbar-thumb { background: #4d4336; border-radius: 4px; }

.site-card {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 10px;
  margin-bottom: 6px;
  background: var(--bg-card);
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  transition: all .14s;
}

.site-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border);
  transform: translateX(2px);
}

.site-card.selected {
  border-color: var(--gold);
  background: var(--bg-card-hover);
  box-shadow: 0 0 0 1px var(--gold), 0 2px 10px rgba(0,0,0,.4);
}

.card-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,.5);
  flex-shrink: 0;
}

.card-dot.square { border-radius: 3px; }
.card-dot.diamond { border-radius: 2px; transform: rotate(45deg); }

.card-body { min-width: 0; flex: 1; }

.card-name {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-meta {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-stars {
  font-size: 11.5px;
  letter-spacing: .5px;
  flex-shrink: 0;
}

.list-empty {
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
  padding: 30px 10px;
}

.sb-footer {
  padding: 9px 18px;
  border-top: 1px solid var(--border);
  font-size: 10.5px;
  color: #6e6150;
  line-height: 1.5;
}

/* ── Map ──────────────────────────────────────────────────────── */
#map {
  flex: 1;
  height: 100%;
  background: #c8c0b0;
}

/* shaped markers: square = palace, diamond = city (color = view rating) */
.mk-icon { background: transparent; border: none; }

.mk-square, .mk-diamond {
  width: 15px;
  height: 15px;
  border: 2.5px solid #fff;
  box-shadow: 0 1px 5px rgba(0,0,0,.55);
  transition: transform .12s;
}

.mk-square { border-radius: 3px; }
.mk-diamond { border-radius: 2px; transform: rotate(45deg); }

.mk-icon:hover .mk-square { transform: scale(1.25); }
.mk-icon:hover .mk-diamond { transform: rotate(45deg) scale(1.25); }

.mk-icon.selected .mk-square {
  transform: scale(1.35);
  box-shadow: 0 0 0 3px var(--gold), 0 2px 8px rgba(0,0,0,.6);
}

.mk-icon.selected .mk-diamond {
  transform: rotate(45deg) scale(1.35);
  box-shadow: 0 0 0 3px var(--gold), 0 2px 8px rgba(0,0,0,.6);
}

/* basemap switcher */
.basemap-control {
  display: flex;
  background: rgba(24,20,15,.92);
  border: 1px solid var(--border);
  border-radius: 9px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,.35);
}

.basemap-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font: 600 11.5px 'Inter', sans-serif;
  padding: 7px 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s;
}

.basemap-btn:not(:last-child) { border-right: 1px solid var(--border); }
.basemap-btn.active { background: var(--gold); color: #1a1408; }
.basemap-btn:not(.active):hover { color: var(--text); }

/* ── Popup ────────────────────────────────────────────────────── */
.leaflet-popup-content-wrapper {
  background: #fbf7ee;
  color: #2c2418;
  border-radius: 12px;
  box-shadow: 0 6px 28px rgba(0,0,0,.45);
}

.leaflet-popup-content {
  margin: 0;
  width: 320px !important;
  font-family: 'Inter', sans-serif;
}

.leaflet-popup-tip { background: #fbf7ee; }

.popup-img {
  width: 100%;
  height: 165px;
  overflow: hidden;
  border-radius: 12px 12px 0 0;
  background: #e8e0d0;
}

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

.popup-body {
  padding: 12px 15px 14px;
  max-height: 46vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #c9bda2 transparent;
}

.popup-title {
  font-family: 'Cinzel', 'Inter', serif;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.25;
  margin: 0 0 1px;
  color: #1f1809;
}

.popup-he {
  font-size: 12.5px;
  color: #8c7c60;
  margin-bottom: 7px;
}

.popup-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
}

.badge {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .03em;
  padding: 2.5px 8px;
  border-radius: 20px;
  background: #ece3d0;
  color: #5d4e35;
}

.badge.b-type { background: #e3d6ba; color: #4a3a1d; }
.badge.b-wb { background: #ded9e8; color: #4f4368; }

.popup-warn {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: #fdecea;
  border: 1px solid #e8b4ae;
  border-left: 3px solid #c0392b;
  border-radius: 8px;
  padding: 7px 10px;
  margin: 2px 0 9px;
}

.popup-warn strong {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .03em;
  color: #a5281e;
}

.popup-warn span {
  font-size: 11.5px;
  color: #7a3a34;
  line-height: 1.4;
}

.popup-view {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 2px 0 7px;
  font-size: 13px;
  font-weight: 600;
}

.popup-view .stars { font-size: 14.5px; letter-spacing: 1px; }

.popup-viewnote {
  font-size: 12.5px;
  font-style: italic;
  color: #6d5d42;
  border-left: 3px solid var(--gold);
  padding-left: 9px;
  margin: 0 0 9px;
  line-height: 1.45;
}

.popup-desc {
  font-size: 12.5px;
  line-height: 1.5;
  color: #3a3022;
  margin: 0 0 10px;
}

.popup-period {
  font-size: 11.5px;
  color: #8c7c60;
  margin-bottom: 9px;
}

.popup-links {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.popup-link {
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  color: #2c2418;
  background: #ece3d0;
  border: 1px solid #d9cdb2;
  border-radius: 6px;
  padding: 3.5px 8px;
  transition: all .12s;
}

.popup-link:hover { background: var(--gold); border-color: var(--gold); color: #1a1408; }

.popup-link.nav { background: #e4ecdc; border-color: #c8d8ba; }
.popup-link.nav:hover { background: #77c25e; border-color: #77c25e; color: #fff; }

.popup-coords {
  margin-top: 8px;
  font-size: 10px;
  color: #a39577;
  letter-spacing: .03em;
}

/* tooltip */
.leaflet-tooltip {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 12px;
  background: rgba(24,20,15,.92);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 7px;
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
}

.leaflet-tooltip-top:before { border-top-color: rgba(24,20,15,.92); }

/* attribution */
.leaflet-control-attribution {
  background: rgba(251,247,238,.8) !important;
  font-size: 9.5px !important;
}

/* ── Mobile ───────────────────────────────────────────────────── */
#sidebar-toggle, #sidebar-close {
  display: none;
  align-items: center;
  justify-content: center;
  position: fixed;
  left: 12px;
  top: calc(var(--nav-h) + 12px);
  z-index: 1100;
  border: 1px solid var(--gold);
  background: rgba(24,20,15,.96);
  color: var(--gold-bright);
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 3px 14px rgba(0,0,0,.55);
}

/* open = labeled gold pill, so it's obvious it opens the filters */
#sidebar-toggle {
  gap: 7px;
  height: 44px;
  padding: 0 16px;
  border-radius: 22px;
  font: 800 14px 'Inter', sans-serif;
  letter-spacing: .02em;
  background: var(--gold);
  color: #1a1408;
  border-color: var(--gold);
}

/* close = round arrow */
#sidebar-close {
  width: 50px;
  height: 50px;
  padding: 0;
  border-radius: 50%;
}

#sidebar-toggle svg, #sidebar-close svg { display: block; }
#sidebar-close:active, #sidebar-toggle:active { transform: scale(.95); }

@media (max-width: 880px) {
  #sidebar {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    bottom: 0;
    width: min(86vw, var(--sidebar-w));
    min-width: 0;
    transform: translateX(-105%);
    transition: transform .25s ease;
    box-shadow: 6px 0 30px rgba(0,0,0,.5);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  #sidebar.open { transform: translateX(0); }

  /* whole sidebar scrolls on mobile (filters + list together) */
  #site-list { flex: 0 0 auto; overflow: visible; }

  /* keep header text clear of the floating toggle/close button */
  .sb-header { padding-top: 64px; }

  #sidebar-toggle { display: flex; }
  #app:has(#sidebar.open) ~ #sidebar-toggle { display: none; }
  #app:has(#sidebar.open) ~ #sidebar-close { display: flex; }

  /* stack zoom buttons UNDER the Filters pill (avoids overlap at any pill width) */
  .leaflet-left .leaflet-control-zoom { margin-top: 64px; margin-left: 12px; }

  /* bigger, scrollable top nav */
  :root { --nav-h: 58px; }
  .site-nav {
    gap: 6px;
    padding: 0 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav > * { flex-shrink: 0; }
  .nav-logo { font-size: 22px; }
  .nav-logo span { display: none; }
  .nav-burger { display: flex; width: 44px; height: 40px; font-size: 21px; }
  .nav-tabs { flex: 0 0 auto; gap: 4px; }
  .nav-tabs a { padding: 9px 12px; font-size: 15px; }
  .nav-about { padding: 9px 12px; font-size: 14px; }
  .nav-lang .lang-btn { font-size: 13.5px; padding: 8px 12px; }
}

/* ── Timeline page ────────────────────────────────────────────── */
body[data-page="timeline"] { height: auto; min-height: 100%; overflow-y: auto; }

.tl-page {
  max-width: 880px;
  margin: 0 auto;
  padding: 26px 20px 90px;
}

.tl-header { margin-bottom: 30px; }

.tl-title {
  font-family: 'Cinzel', serif;
  font-weight: 800;
  font-size: 27px;
  color: var(--gold-bright);
  margin: 0 0 10px;
  letter-spacing: .03em;
  text-shadow: 0 0 24px rgba(201,162,39,.3);
}

.tl-intro {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  margin: 0 0 9px;
  max-width: 660px;
}

.tl-note {
  font-size: 12.5px;
  color: var(--text-dim);
  font-style: italic;
  margin: 0;
  max-width: 660px;
}

.tl-stream { position: relative; padding-left: 30px; }

.tl-stream::before {
  content: "";
  position: absolute;
  left: 8px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(var(--border), #4d4336 10%, #4d4336 90%, var(--border));
}

.tl-period { position: relative; margin-bottom: 16px; }

.tl-period::before {
  content: "";
  position: absolute;
  left: -29px; top: 19px;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--c);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 1px var(--c), 0 0 11px -1px var(--c);
}

.tl-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--c);
  border-radius: 12px;
  padding: 13px 16px 15px;
  transition: transform .12s;
}

.tl-card:hover { transform: translateX(2px); }

.tl-dates {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--c);
  filter: brightness(1.3);
  text-transform: uppercase;
}

.tl-name {
  font-family: 'Cinzel', serif;
  font-weight: 700;
  font-size: 19px;
  margin: 3px 0 0;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 9px;
  flex-wrap: wrap;
}

.tl-he { font-family: 'Inter', sans-serif; font-weight: 500; font-size: 13px; color: var(--text-dim); }

.tl-cultures { display: flex; flex-wrap: wrap; gap: 5px; margin: 9px 0; }

.tl-chip {
  font-size: 11px;
  font-weight: 600;
  padding: 2.5px 9px;
  border-radius: 20px;
  background: color-mix(in srgb, var(--c) 17%, transparent);
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--c) 42%, transparent);
}

.tl-blurb { font-size: 13.5px; line-height: 1.6; color: var(--text); margin: 9px 0 11px; }

.tl-sites { font-size: 12.5px; color: var(--text-dim); margin-bottom: 12px; line-height: 2; }
.tl-sites-label { margin-right: 3px; }

.tl-site-link {
  text-decoration: none;
  color: var(--text);
  background: #100d09;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 8px;
  margin: 0 3px 3px 0;
  font-size: 12px;
  white-space: nowrap;
  transition: border-color .12s, background .12s, color .12s;
}

.tl-site-link:hover {
  border-color: var(--c);
  color: #fff;
  background: color-mix(in srgb, var(--c) 28%, #100d09);
}

.tl-map-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 700;
  color: #1a1408;
  background: var(--c);
  border-radius: 7px;
  padding: 6px 13px;
  transition: filter .12s;
}

.tl-map-btn:hover { filter: brightness(1.13); }

.tl-horizon {
  position: relative;
  margin: 24px 0 0 30px;
  padding: 14px 17px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  background: rgba(255,255,255,.015);
}

.tl-horizon h2 { font-family: 'Cinzel', serif; color: var(--text); font-size: 16px; margin: 0 0 4px; }
.tl-horizon .tl-dates { color: var(--text-dim); filter: none; }
.tl-horizon p { font-size: 13px; color: var(--text-dim); margin: 6px 0 0; line-height: 1.5; }

@media (max-width: 600px) {
  .tl-title { font-size: 22px; }
  .tl-name { font-size: 17px; }
  .tl-page { padding: 18px 14px 60px; }
}

/* ── Sites map: period filter (doubles as legend) ─────────────── */
.sb-periods {
  padding: 11px 18px;
  border-bottom: 1px solid var(--border);
}

.sb-periods-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 7px;
}

.pf-actions { display: flex; gap: 6px; }

.pf-action {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font: 600 10.5px 'Inter', sans-serif;
  letter-spacing: .03em;
  padding: 3px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: color .12s, border-color .12s;
}

.pf-action:hover { color: var(--text); border-color: var(--text-dim); }

.period-filter { display: flex; flex-direction: column; gap: 1px; }

.pf-row {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 4px 7px;
  cursor: pointer;
  color: var(--text);
  transition: background .12s, opacity .12s;
}

.pf-row:hover { background: var(--bg-card-hover); }

.pf-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1.5px solid rgba(255,255,255,.55);
  box-shadow: 0 0 6px -1px var(--d);
}

.pf-name { flex: 1; font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pf-count { font-size: 10.5px; color: var(--text-dim); font-variant-numeric: tabular-nums; }

.pf-row.off { opacity: .36; }
.pf-row.off .pf-name { text-decoration: line-through; }

/* sites popup: era chips + access */
.popup-eras { display: flex; flex-wrap: wrap; gap: 4px; margin: 3px 0 9px; }

.era-chip {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .02em;
  padding: 2px 8px;
  border-radius: 20px;
  color: #fff;
  text-shadow: 0 1px 1px rgba(0,0,0,.35);
}

.popup-access {
  font-size: 11.5px;
  color: #6d5d42;
  margin: 0 0 9px;
  display: flex;
  gap: 6px;
  align-items: baseline;
}
.popup-access::before { content: "📍"; }

.badge.b-unesco { background: #e7dcc0; color: #6a531c; }