:root {
  --bg: oklch(97% 0.018 70);
  --surface: oklch(99% 0.008 70);
  --fg: oklch(22% 0.02 50);
  --muted: oklch(50% 0.018 50);
  --border: oklch(90% 0.014 70);
  --accent: oklch(64% 0.13 28);
  --flight: oklch(58% 0.12 250);
  --hotel: oklch(58% 0.1 150);
  --excursion: oklch(62% 0.14 55);
  --dinner: oklch(58% 0.16 15);
  --note: oklch(56% 0.03 260);
  --font-display: 'Newsreader', 'Iowan Old Style', Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
.top-nav, .hero, .controls-shell, .trips-index, .timeline, .map-section, .footer {
  max-width: 760px;
  margin: 0 auto;
}
.top-nav { padding: 20px 24px 0; }
.top-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}
.top-nav a:hover { color: var(--fg); }
.top-nav svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.hero {
  padding: 48px 24px 32px;
  text-align: center;
}
.hero-eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 16px;
}
.hero h1 {
  font: 700 clamp(48px, 8vw, 80px)/1.05 var(--font-display);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.hero-dates {
  font: 18px/1.4 var(--font-display);
  color: var(--muted);
  font-style: italic;
  margin-bottom: 24px;
}
.hero-route, .filters {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-route {
  gap: 0;
  font-size: 13px;
  color: var(--muted);
}
.hero-route .stop {
  padding: 6px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  white-space: nowrap;
}
.hero-route .arrow {
  width: 28px;
  text-align: center;
  color: var(--border);
  font-size: 16px;
}
.controls-shell { padding: 0 24px 8px; }
.quick-ref {
  max-width: 760px;
  margin: 0 auto 28px;
  padding: 0 24px;
}
.quick-ref-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.quick-ref-header h2 {
  font: 600 22px/1.2 var(--font-display);
}
.quick-ref-header p {
  color: var(--muted);
  font-size: 13px;
}
.quick-ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.quick-ref-chip {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
}
.quick-ref-label {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 6px;
}
.quick-ref-value {
  font-size: 14px;
  color: var(--fg);
}
.trips-index {
  padding: 0 24px 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.trip-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  min-height: 220px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.trip-card-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px oklch(50% 0.02 50 / 0.08);
}
.trip-card-eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 12px;
}
.trip-card-title {
  font: 600 28px/1.1 var(--font-display);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.trip-card-dates {
  color: var(--muted);
  font-style: italic;
  margin-bottom: 14px;
}
.trip-card-route {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.trip-card-route-stop {
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  font-size: 12px;
  color: var(--muted);
}
.trip-card-meta {
  font-size: 13px;
  color: var(--muted);
}
.hidden { display: none !important; }
.controls {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.control-block { display: flex; flex-direction: column; gap: 8px; }
.control-block span,
.stat-label,
.detail-label {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
select, input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: white;
  color: var(--fg);
  font: inherit;
}
.filters {
  gap: 10px;
  margin: 18px 0 8px;
}
.filter-chip {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  padding: 8px 12px;
  cursor: pointer;
}
.filter-chip.active {
  color: var(--fg);
  border-color: var(--accent);
  background: color-mix(in oklab, var(--surface) 82%, var(--accent) 18%);
}
.stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 28px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 48px;
}
.stat-item { text-align: center; }
.stat-value {
  font: 600 28px/1 var(--font-display);
  letter-spacing: -0.01em;
}
.timeline { padding: 0 24px 64px; }
.location-group {
  position: relative;
  margin-bottom: 48px;
  padding-left: 28px;
}
.location-group:last-child { margin-bottom: 0; }
.location-group::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: -48px;
  width: 1px;
  background: var(--border);
}
.location-group:last-child::before { bottom: 0; }
.location-group::after {
  content: '';
  position: absolute;
  left: 0;
  top: 5px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--accent);
}
.location-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.location-name {
  font: 600 clamp(22px, 3.5vw, 28px)/1.2 var(--font-display);
  letter-spacing: -0.01em;
}
.location-dates {
  font-size: 13px;
  color: var(--muted);
}
.item-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 14px;
}
.item-card:last-child { margin-bottom: 0; }
.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  gap: 12px;
}
.card-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.card-type {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 10px;
  color: white;
  white-space: nowrap;
}
.card-type[data-type='flight'] { background: var(--flight); }
.card-type[data-type='hotel'] { background: var(--hotel); }
.card-type[data-type='excursion'] { background: var(--excursion); }
.card-type[data-type='dinner'] { background: var(--dinner); }
.card-type[data-type='note'] { background: var(--note); }
.card-subtype {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 10px;
  color: var(--muted);
  background: color-mix(in oklab, var(--surface) 75%, var(--border) 25%);
}
.card-date {
  font-size: 13px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.card-title {
  font: 600 18px/1.3 var(--font-display);
  letter-spacing: -0.005em;
  margin-bottom: 6px;
}
.card-subtitle {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
}
.card-tertiary {
  font-size: 13px;
  color: var(--fg);
  margin-bottom: 12px;
}
.card-status {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.card-status[data-status='confirmed'] { color: color-mix(in oklab, var(--hotel) 80%, black 20%); }
.card-status[data-status='review'] { color: color-mix(in oklab, var(--excursion) 70%, black 30%); }
.item-expand {
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.item-expand-summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  list-style: none;
  margin-bottom: 12px;
}
.item-expand-summary::-webkit-details-marker { display: none; }
.card-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px 20px;
  font-size: 13px;
}
.detail-row { display: flex; gap: 8px; }
.detail-label { min-width: 74px; padding-top: 2px; }
.detail-value { font-size: 13px; }
.card-note {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}
.empty-state {
  max-width: 760px;
  margin: 0 auto 64px;
  border: 1px dashed var(--border);
  background: var(--surface);
  border-radius: 14px;
  padding: 32px;
  text-align: center;
  color: var(--muted);
}
.map-section { padding: 0 24px; margin-bottom: 64px; }
.map-section-title {
  font: 600 22px/1.2 var(--font-display);
  margin-bottom: 16px;
}
.map-placeholder {
  background: linear-gradient(160deg, var(--surface) 0%, oklch(95% 0.02 70) 100%);
  border: 1px solid var(--border);
  border-radius: 14px;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.map-inner {
  display: flex;
  align-items: center;
  gap: 0;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
  justify-content: center;
}
.map-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  position: relative;
}
.map-dot::after {
  content: attr(data-label);
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  white-space: nowrap;
  color: var(--muted);
}
.map-line {
  width: 60px;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}
.map-bg-label {
  position: absolute;
  font: 700 clamp(80px, 14vw, 160px)/1 var(--font-display);
  color: var(--border);
  opacity: 0.4;
  z-index: 0;
  letter-spacing: -0.03em;
}
.footer {
  padding: 24px 24px 64px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}
@media (max-width: 600px) {
  .hero { padding: 36px 20px 28px; }
  .controls { grid-template-columns: 1fr; }
  .stats { gap: 20px; padding: 20px 16px; flex-wrap: wrap; }
  .stat-value { font-size: 22px; }
  .timeline, .map-section, .controls-shell, .trips-index, .footer, .top-nav { padding-left: 16px; padding-right: 16px; }
  .quick-ref { padding-left: 16px; padding-right: 16px; }
  .item-card { padding: 16px 18px; }
  .card-details { grid-template-columns: 1fr; }
  .map-line { width: 32px; }
}