:root {
  --paper: #f3f6f2;
  --surface: #ffffff;
  --ink: #13262f;
  --muted: #66757a;
  --line: #d7dfdc;
  --lake: #287b90;
  --lake-soft: #d9ebee;
  --forest: #516b55;
  --terracotta: #b65c3a;
  --warning: #b84635;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow: 0 16px 48px rgba(25, 47, 55, 0.08);
  --content: 720px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(40, 123, 144, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 100% 32px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

button, a { touch-action: manipulation; }
button { font: inherit; color: inherit; }
a { color: inherit; }
img { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  z-index: 100;
  padding: 12px 16px;
  background: var(--ink);
  color: white;
  border-radius: 10px;
}
.skip-link:focus { top: calc(12px + var(--safe-top)); }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: calc(48px + var(--safe-top));
  padding: var(--safe-top) 14px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(19, 38, 47, 0.08);
  background: rgba(243, 246, 242, 0.91);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}
.wordmark { min-height: 44px; display: inline-flex; align-items: center; text-decoration: none; font-weight: 800; letter-spacing: 0.06em; font-size: 12px; }
.wordmark span { color: var(--muted); font-weight: 600; }
.topbar nav { display: flex; gap: 2px; }
.topbar nav a {
  min-width: 44px;
  min-height: 44px;
  padding: 0 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  font-weight: 650;
}
.topbar nav a:active { color: var(--lake); }

main { overflow: hidden; }
.hero, .section, .footer { width: min(100%, var(--content)); margin-inline: auto; }
.hero { padding: 32px 18px 24px; min-height: 188px; display: flex; flex-direction: column; justify-content: flex-end; }
.hero__eyebrow, .section-kicker {
  margin: 0 0 10px;
  color: var(--lake);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.hero h1 { margin: 0; max-width: 620px; font-size: clamp(38px, 12vw, 64px); line-height: 0.98; letter-spacing: -0.06em; font-weight: 820; }
.hero__date { margin: 14px 0 0; font: 650 14px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.03em; }

.section { padding: 44px 18px; scroll-margin-top: 48px; }
.flights-section { padding-top: 24px; padding-bottom: 34px; }
.section-heading { margin-bottom: 16px; display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; }
.section-heading h2 { margin: 0; font-size: 30px; line-height: 1; letter-spacing: -0.04em; }
.section-index, .soft-label { margin: 0; color: var(--muted); font: 700 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.08em; }

.flight-carousel {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  overscroll-behavior-x: contain;
  padding: 2px 0 14px;
}
.flight-carousel::-webkit-scrollbar { display: none; }
.flight-card {
  flex: 0 0 calc(100% - 20px);
  scroll-snap-align: center;
  min-height: 330px;
  padding: 20px;
  border-radius: var(--radius-lg);
  color: #eff8f8;
  background: var(--ink);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.flight-card__top { color: #a9c3c8; font: 700 11px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.08em; }
.flight-card__airlines { margin-top: 7px; color: #7599a0; font-size: 10px; }
.flight-flow { margin-top: 17px; display: grid; grid-template-columns: var(--route-columns); align-items: start; }
.flight-stop { min-width: 0; text-align: center; }
.flight-stop:first-child { text-align: left; }
.flight-stop:last-child { text-align: right; }
.flight-stop__code { display: block; color: #fff; font: 760 clamp(25px, 8vw, 36px)/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: -.05em; }
.flight-stop__city { display: block; min-height: 30px; margin-top: 5px; color: #b8cccf; font-size: 11px; line-height: 1.25; }
.flight-stop__dot { position: relative; z-index: 1; display: inline-block; width: 9px; height: 9px; margin: 8px 0 10px; border: 2px solid #8fc6d0; border-radius: 50%; background: var(--ink); }
.flight-stop__timing { display: flex; flex-direction: column; gap: 3px; color: #9db7bc; font-size: 9px; line-height: 1.3; }
.flight-stop__timing b { color: #eff8f8; font-size: 10px; font-weight: 720; }
.flight-stop__timing em { color: #e0a983; font-style: normal; font-size: 9px; }
.flight-segment { min-width: 0; padding-top: 53px; color: #91b9c0; text-align: center; }
.flight-segment span { display: block; overflow: hidden; font: 700 9px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; text-overflow: ellipsis; white-space: nowrap; }
.flight-segment i { display: block; height: 1px; margin-top: 9px; background: rgba(143,198,208,.5); color: #8fc6d0; font-style: normal; font-size: 13px; line-height: 1px; text-align: right; }
.flight-card__countdown-row { margin-top: auto; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.16); }
.flight-countdown { text-align: left; }
.flight-countdown span { display: block; color: #a9c3c8; font-size: 11px; }
.flight-countdown strong { display: block; margin-top: 5px; color: #fff; font: 760 clamp(22px, 7vw, 30px)/1.1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.carousel-dots { display: flex; justify-content: center; gap: 7px; }
.carousel-dot { width: 6px; height: 6px; border: 0; padding: 0; border-radius: 50%; background: #aebbb8; transition: width .2s ease; }
.carousel-dot.is-active { width: 22px; border-radius: 99px; background: var(--lake); }

.route-map-button { position: relative; display: block; width: 100%; padding: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); cursor: zoom-in; }
.route-map-button img { width: 100%; height: auto; }
.route-map-button span { position: absolute; right: 12px; bottom: 12px; padding: 9px 12px; border-radius: 999px; color: white; background: rgba(19,38,47,.86); font-size: 11px; font-weight: 700; backdrop-filter: blur(8px); }
.route-caption { margin: 12px 4px 0; color: var(--muted); font-size: 12px; line-height: 1.6; }

.timeline { position: relative; }
.timeline::before { content: ""; position: absolute; left: 18px; top: 22px; bottom: 26px; width: 1px; background: var(--line); }
.day-card { position: relative; padding-left: 48px; }
.day-card + .day-card { margin-top: 8px; }
.day-dot { position: absolute; left: 12px; top: 25px; z-index: 1; width: 13px; height: 13px; border: 3px solid var(--paper); border-radius: 50%; background: #a5b1ae; box-shadow: 0 0 0 1px #a5b1ae; }
.day-card.is-today .day-dot { background: var(--terracotta); box-shadow: 0 0 0 3px rgba(182,92,58,.18); }
.day-toggle { width: 100%; min-height: 78px; padding: 15px 4px; border: 0; border-bottom: 1px solid var(--line); background: transparent; text-align: left; display: grid; grid-template-columns: 1fr auto; gap: 12px; cursor: pointer; }
.day-meta { color: var(--lake); font: 750 11px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .05em; }
.day-title { margin-top: 5px; font-size: 17px; font-weight: 740; line-height: 1.35; }
.day-locations { margin-top: 5px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.day-ticket-summary { display: inline-flex; min-height: 24px; margin-top: 9px; padding: 4px 8px; align-items: center; border-radius: 999px; font-size: 10px; font-weight: 760; }
.day-ticket-summary.has-pending { color: #8f492e; background: #f6e2d8; }
.day-ticket-summary.is-complete { color: #43654a; background: #dfeade; }
.day-chevron { width: 36px; height: 36px; align-self: center; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; color: var(--lake); transition: transform .2s ease; }
.day-toggle[aria-expanded="true"] .day-chevron { transform: rotate(45deg); }
.day-detail { padding: 18px 0 26px; }
.day-detail[hidden] { display: none; }
.schedule { margin: 0; padding: 0; list-style: none; }
.schedule-item { position: relative; padding: 0 0 21px 82px; min-height: 50px; }
.schedule-item::before { content: ""; position: absolute; left: 70px; top: 6px; bottom: 0; width: 1px; background: #dce4e2; }
.schedule-item:last-child::before { display: none; }
.schedule-time { position: absolute; left: 0; top: 0; width: 62px; color: var(--muted); font: 700 11px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; }
.schedule-item::after { content: ""; position: absolute; left: 66px; top: 5px; width: 9px; height: 9px; border: 2px solid var(--lake); border-radius: 50%; background: var(--paper); }
.schedule-text { font-size: 13px; line-height: 1.65; }
.schedule-map-links { margin-top: 7px; display: flex; flex-wrap: wrap; gap: 6px; }
.schedule-map-link { min-height: 32px; padding: 6px 9px; display: inline-flex; align-items: center; border: 1px solid #c8dadc; border-radius: 999px; color: #205e6b; background: #edf6f5; text-decoration: none; font-size: 11px; font-weight: 700; }
.schedule-ticket { margin-top: 9px; border: 1px solid #e8c8b8; border-radius: 12px; background: #fff8f4; overflow: hidden; }
.schedule-ticket summary { min-height: 38px; padding: 8px 10px; display: flex; align-items: center; gap: 6px; list-style: none; color: #8f492e; cursor: pointer; font-size: 10px; font-weight: 750; }
.schedule-ticket summary::-webkit-details-marker { display: none; }
.schedule-ticket summary b { margin-left: auto; color: var(--ink); font-size: 11px; }
.schedule-ticket.is-purchased { border-color: #cbdcca; background: #f1f7f0; }
.schedule-ticket.is-purchased summary { color: #43654a; }
.ticket-status-dot { width: 7px; height: 7px; flex: 0 0 7px; border-radius: 50%; background: currentColor; }
.schedule-ticket__body { padding: 0 10px 11px 23px; }
.schedule-ticket__body p { margin: 0; color: #614b42; font-size: 11px; line-height: 1.5; }
.schedule-ticket__body span { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; }
.schedule-ticket__body a { min-height: 34px; margin-top: 5px; display: inline-flex; align-items: center; color: var(--lake); font-size: 10px; font-weight: 750; }
.detail-note { margin: 8px 0 0; padding: 12px 14px; border-left: 2px solid var(--terracotta); background: rgba(182,92,58,.06); color: #6d4c3e; font-size: 12px; line-height: 1.6; }
.costs { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.cost-tag { padding: 7px 9px; border-radius: 8px; background: #e8eeeb; color: #53615e; font-size: 11px; }

.tickets-section { padding-top: 40px; }
.tickets-summary { margin: -5px 0 15px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.ticket-filters { display: flex; gap: 7px; margin-bottom: 14px; overflow-x: auto; }
.ticket-filters button { min-height: 38px; padding: 0 14px; flex: 0 0 auto; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.7); color: var(--muted); cursor: pointer; font-size: 11px; font-weight: 720; }
.ticket-filters button.is-active { border-color: var(--ink); color: white; background: var(--ink); }
.ticket-list { display: grid; gap: 11px; }
.ticket-card { padding: 17px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.78); }
.ticket-card.is-purchased { background: rgba(241,247,240,.82); }
.ticket-card__date { color: var(--lake); font: 740 10px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .06em; }
.ticket-card__head { margin-top: 9px; display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.ticket-card__head h3 { margin: 0; font-size: 16px; line-height: 1.25; }
.ticket-card__head p { margin: 4px 0 0; color: var(--muted); font-size: 10px; }
.ticket-badge { min-height: 25px; padding: 5px 8px; flex: 0 0 auto; border-radius: 999px; color: #8f492e; background: #f6e2d8; font-size: 9px; font-weight: 760; }
.ticket-badge.is-advance-recommended { color: #205e6b; background: #ddecf0; }
.ticket-badge.is-purchased { color: #43654a; background: #dfeade; }
.ticket-card__guidance { margin-top: 15px; padding-top: 13px; border-top: 1px solid var(--line); }
.ticket-card__guidance span { display: block; color: var(--muted); font-size: 9px; letter-spacing: .08em; }
.ticket-card__guidance strong { display: block; margin-top: 4px; font-size: 12px; line-height: 1.5; }
.ticket-details { margin-top: 7px; }
.ticket-details > summary { min-height: 38px; display: inline-flex; align-items: center; color: var(--lake); cursor: pointer; font-size: 11px; font-weight: 750; }
.ticket-details dl { margin: 4px 0 0; }
.ticket-details dl div { padding: 8px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 70px 1fr; gap: 8px; font-size: 11px; line-height: 1.5; }
.ticket-details dt { color: var(--muted); }
.ticket-details dd { margin: 0; }
.ticket-uncertainties { margin-top: 8px; padding: 11px; border-radius: 10px; background: #f2f3ef; color: #52605d; font-size: 10px; }
.ticket-uncertainties ul { margin: 5px 0 0; padding-left: 16px; }
.ticket-actions { margin-top: 12px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.ticket-actions a, .ticket-actions button { min-height: 40px; display: inline-flex; align-items: center; font-size: 10px; font-weight: 740; }
.ticket-actions a { color: var(--lake); }
.ticket-actions span { color: var(--muted); font-size: 10px; }
.ticket-actions button { padding: 0 12px; border: 0; border-radius: 10px; color: white; background: var(--lake); cursor: pointer; }
.tickets-empty { padding: 28px 0; color: var(--muted); text-align: center; font-size: 12px; }

.rental-panel { overflow: hidden; border-radius: var(--radius-lg); background: var(--ink); color: white; box-shadow: var(--shadow); }
.rental-countdown { padding: 24px; background: var(--lake); }
.rental-countdown span { display: block; color: #d6ebee; font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.rental-countdown strong { display: block; margin-top: 8px; font: 760 clamp(28px, 9vw, 44px)/1.05 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: -.05em; }
.rental-countdown small { display: block; margin-top: 10px; color: #d6ebee; line-height: 1.5; }
.rental-details { padding: 22px; }
.rental-car { font-size: 19px; font-weight: 750; }
.rental-sub { margin-top: 5px; color: #abc0c4; font-size: 12px; }
.rental-stops { margin-top: 24px; display: grid; gap: 16px; }
.rental-stop { display: grid; grid-template-columns: 58px 1fr; gap: 12px; }
.rental-stop__label { color: #7fa8b0; font: 700 10px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.rental-stop b { display: block; font-size: 14px; }
.rental-stop span { display: block; margin-top: 4px; color: #abc0c4; font-size: 12px; line-height: 1.5; }
.rental-price { margin-top: 20px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.14); display: flex; justify-content: space-between; color: #abc0c4; font-size: 12px; }
.rental-price strong { color: white; font: 720 15px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }

.accordion-stack { margin-top: 14px; display: grid; gap: 10px; }
.accordion { border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.72); overflow: hidden; }
.accordion summary { min-height: 54px; padding: 16px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; font-size: 14px; font-weight: 740; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--lake); }
.accordion[open] summary::after { content: "−"; }
.accordion ul { margin: 0; padding: 0 18px 18px 38px; color: #47575b; }
.accordion li { margin: 9px 0; font-size: 12px; line-height: 1.65; }

.packing-progress { height: 4px; margin: -8px 0 24px; border-radius: 99px; background: #dbe3e0; overflow: hidden; }
.packing-progress span { display: block; width: 0; height: 100%; background: var(--lake); transition: width .2s ease; }
.packing-group + .packing-group { margin-top: 25px; }
.packing-group h3 { margin: 0 0 8px; color: var(--muted); font-size: 11px; letter-spacing: .1em; }
.packing-item { min-height: 52px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 12px; cursor: pointer; font-size: 14px; }
.packing-item input { appearance: none; width: 22px; height: 22px; margin: 0; flex: 0 0 22px; border: 1.5px solid #93a5a2; border-radius: 7px; background: transparent; display: grid; place-items: center; }
.packing-item input::after { content: "✓"; color: white; font-size: 14px; opacity: 0; transform: scale(.6); transition: .15s ease; }
.packing-item input:checked { border-color: var(--lake); background: var(--lake); }
.packing-item input:checked::after { opacity: 1; transform: scale(1); }
.packing-item:has(input:checked) span { color: #87928f; text-decoration: line-through; }
.text-button { min-height: 44px; margin-top: 18px; padding: 0; border: 0; background: transparent; color: var(--muted); font-size: 12px; text-decoration: underline; cursor: pointer; }

.footer { padding: 46px 20px calc(50px + var(--safe-bottom)); border-top: 1px solid var(--line); display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
.footer p { margin: 0; font-weight: 750; letter-spacing: .08em; }
.footer a { min-height: 44px; margin-top: -15px; display: flex; align-items: center; text-decoration: none; }

.map-dialog { width: 100%; max-width: 760px; height: 100%; max-height: none; margin: 0; padding: calc(56px + var(--safe-top)) 0 var(--safe-bottom); border: 0; background: #0e1b21; overflow: auto; }
.map-dialog::backdrop { background: rgba(7,18,22,.88); }
.map-dialog.is-fallback-open { position: fixed; inset: 0; z-index: 50; display: block; }
.map-dialog img { width: 100%; height: auto; }
.dialog-close { position: fixed; z-index: 2; top: calc(10px + var(--safe-top)); right: 12px; min-width: 54px; min-height: 40px; border: 0; border-radius: 999px; background: rgba(255,255,255,.92); color: var(--ink); font-size: 12px; font-weight: 700; }
.loading-error { position: fixed; left: 16px; right: 16px; bottom: calc(16px + var(--safe-bottom)); z-index: 30; padding: 16px; border-radius: 14px; color: white; background: var(--warning); box-shadow: var(--shadow); }
.loading-error strong, .loading-error span { display: block; }
.loading-error span { margin-top: 5px; font-size: 12px; line-height: 1.5; }

:focus-visible { outline: 3px solid rgba(40,123,144,.45); outline-offset: 3px; }

@media (min-width: 700px) {
  .topbar { padding-inline: max(24px, calc((100vw - var(--content)) / 2)); }
  .hero { min-height: 260px; padding-inline: 0; }
  .section { padding-inline: 0; }
  .flight-card { flex-basis: 86%; min-height: 350px; }
  .rental-stops { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}