:root {
  /* Brand / accent colors */
  --ink: #1a1a2e;
  --paper: #faf8f5;
  --accent: #c0392b;
  --accent2: #2e86ab;
  --gold: #d4a574;
  --muted: #7a7a7a;
  --border: #e8e4df;

  /* Surface colors (overridden in dark mode) */
  --card-bg: #ffffff;
  --panel-bg: #f9f7f4;
  --transit-bg: #fcfaf6;
  --item-text: #333;

  /* Cost card gradient */
  --cost-bg-start: #ffffff;
  --cost-bg-end: #fffaf0;
  --cost-border: #f0e0c0;

  /* Stay box gradient (gold/cream) */
  --stay-bg-start: #fff4e0;
  --stay-bg-end: #fce8c8;
  --stay-strong: #b8860b;

  /* Note box gradient (warm yellow) */
  --note-bg-start: #fff9e6;
  --note-bg-end: #fff5d6;

  /* Chips */
  --chip-info-bg: #eef3f9;
  --chip-info-border: #dde7f1;
  --chip-ticket-bg: #fdf0ee;
  --chip-ticket-border: #f7ddd8;
  --chip-map-bg: #e8f5ec;
  --chip-map-border: #d1e8d8;
  --chip-map-color: #1e8449;

  /* Shadows */
  --shadow-sm: rgba(0,0,0,0.04);
  --shadow-md: rgba(0,0,0,0.05);
  --shadow-hover: rgba(0,0,0,0.08);

  /* color-mix base for the time-badge tint */
  --badge-mix: #ffffff;

  /* Alt/secondary inline strong text */
  --alt-strong: #555;
}

/* Dark mode — applied when (a) user forces it via the hero toggle (data-theme="dark"),
   OR (b) system prefers dark AND user hasn't explicitly forced light (data-theme="light"). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e8e8ee;
    --paper: #0d1117;
    --accent: #ff7a6b;
    --accent2: #5ba8d0;
    --gold: #e0b880;
    --muted: #8a90a0;
    --border: #2a2f3a;
    --card-bg: #161b22;
    --panel-bg: #1c2129;
    --transit-bg: #1c2230;
    --item-text: #c8c8d4;
    --cost-bg-start: #1a1f28;
    --cost-bg-end: #1e1d1a;
    --cost-border: #3d3420;
    --stay-bg-start: #2a2014;
    --stay-bg-end: #3a2a18;
    --stay-strong: #e6b876;
    --note-bg-start: #2a2410;
    --note-bg-end: #3a3218;
    --chip-info-bg: #1a2633;
    --chip-info-border: #2a3b52;
    --chip-ticket-bg: #33181a;
    --chip-ticket-border: #4d2628;
    --chip-map-bg: #112618;
    --chip-map-border: #1e4028;
    --chip-map-color: #6ee09b;
    --shadow-sm: rgba(0,0,0,0.35);
    --shadow-md: rgba(0,0,0,0.4);
    --shadow-hover: rgba(0,0,0,0.5);
    --badge-mix: #000000;
    --alt-strong: #a8a8b4;
  }
}

:root[data-theme="dark"] {
    --ink: #e8e8ee;
    --paper: #0d1117;
    --accent: #ff7a6b;
    --accent2: #5ba8d0;
    --gold: #e0b880;
    --muted: #8a90a0;
    --border: #2a2f3a;

    --card-bg: #161b22;
    --panel-bg: #1c2129;
    --transit-bg: #1c2230;
    --item-text: #c8c8d4;

    --cost-bg-start: #1a1f28;
    --cost-bg-end: #1e1d1a;
    --cost-border: #3d3420;

    --stay-bg-start: #2a2014;
    --stay-bg-end: #3a2a18;
    --stay-strong: #e6b876;

    --note-bg-start: #2a2410;
    --note-bg-end: #3a3218;

    --chip-info-bg: #1a2633;
    --chip-info-border: #2a3b52;
    --chip-ticket-bg: #33181a;
    --chip-ticket-border: #4d2628;
    --chip-map-bg: #112618;
    --chip-map-border: #1e4028;
    --chip-map-color: #6ee09b;

    --shadow-sm: rgba(0,0,0,0.35);
    --shadow-md: rgba(0,0,0,0.4);
    --shadow-hover: rgba(0,0,0,0.5);

    --badge-mix: #000000;

    --alt-strong: #a8a8b4;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
}

body.has-preview-banner { padding-top: 40px; }
@media (max-width: 640px) {
  body.has-preview-banner { padding-top: 32px; }
}

body {
  font-family: 'Noto Sans SC', sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.8;
  font-weight: 400;
}

/* --- Small utility / scoped style rules formerly inlined in trip.html --- */
.cost-row em { opacity: 0.7; }
.note-box.flush { margin-bottom: 0; }
.card.checklist-card { margin-bottom: 30px; }
.footer .copy { opacity: 0.7; }

/* Preview-build banner — renders only on CF Preview deployments.
   position: fixed (not sticky) — guaranteed viewport-anchored regardless of
   ancestor containing-block quirks or horizontal overflow elsewhere. */
.preview-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: block;
  box-sizing: border-box;
  background: #ff6b00;
  color: white;
  padding: 8px 16px;
  text-align: center;
  font-size: 0.88em;
  letter-spacing: 0.5px;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}
.preview-banner__detail { opacity: 0.95; }
@media (max-width: 640px) {
  .preview-banner {
    padding: 8px 12px;
    font-size: 0.82em;
    letter-spacing: 0;
  }
  .preview-banner__detail { display: none; }
}

/* Hero — always dark, unchanged by color scheme */
.hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  color: white;
  padding: 70px 24px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 30% 70%, rgba(192,57,43,0.18) 0%, transparent 50%),
              radial-gradient(circle at 70% 30%, rgba(46,134,171,0.18) 0%, transparent 50%);
  pointer-events: none;
}

.hero h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: 2.4em;
  font-weight: 700;
  letter-spacing: 8px;
  position: relative;
  margin-bottom: 10px;
}

.hero .subtitle {
  font-size: 1em;
  opacity: 0.75;
  font-weight: 300;
  letter-spacing: 3px;
  position: relative;
}

.hero .dates {
  margin-top: 22px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  position: relative;
}

.hero .date-chip {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.82em;
  font-weight: 500;
  backdrop-filter: blur(10px);
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px;
}

/* External tools row */
.external-tools {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.external-tools a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.85em;
  font-weight: 500;
  transition: all 0.2s;
}

.external-tools a:hover {
  background: var(--accent2);
  color: white;
  border-color: var(--accent2);
  transform: translateY(-1px);
}

/* Card */
.card {
  background: var(--card-bg);
  padding: 22px 24px;
  margin-top: 24px;
  border-radius: 12px;
  box-shadow: 0 2px 12px var(--shadow-md);
}

.card h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.05em;
  margin-bottom: 14px;
  color: var(--accent);
}

/* Cost card */
.cost-card {
  background: linear-gradient(135deg, var(--cost-bg-start), var(--cost-bg-end));
  border: 1px solid var(--cost-border);
}

.cost-card h3 {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
}

.cost-total {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.6em;
  color: var(--ink);
  font-weight: 700;
}

.cost-total .other {
  font-size: 0.55em;
  color: var(--muted);
  font-weight: 400;
}

.cost-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 20px;
  font-size: 0.86em;
}

.cost-group-header {
  font-weight: 600;
  color: var(--accent2);
  grid-column: 1 / -1;
  margin-top: 6px;
}

.cost-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  border-bottom: 1px dashed var(--border);
}

.cost-row .lbl { color: var(--muted); }
.cost-row .val { font-weight: 600; }

.cost-footer {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 2px solid var(--ink);
  font-size: 0.82em;
  color: var(--muted);
  line-height: 1.7;
}

.cost-footer strong { color: var(--ink); }

/* Overview / TOC */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.overview-item {
  padding: 10px 12px;
  background: var(--panel-bg);
  border-radius: 8px;
  font-size: 0.85em;
}

.overview-item strong {
  display: block;
  color: var(--accent2);
  font-size: 0.78em;
  letter-spacing: 1px;
  margin-bottom: 3px;
}

.toc {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 14px;
}

.toc a {
  display: block;
  padding: 8px 10px;
  background: var(--panel-bg);
  border-radius: 6px;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.85em;
  transition: all 0.2s;
  border-left: 3px solid var(--day-color, var(--accent2));
}

.toc a:hover {
  background: var(--card-bg);
  box-shadow: 0 2px 6px var(--shadow-hover);
}

/* Flight rows */
.flight-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  background: var(--panel-bg);
  border-radius: 10px;
  margin-bottom: 10px;
  border-left: 3px solid var(--accent2);
}

.flight-port { text-align: center; }

.flight-port .code {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.6em;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 2px;
}

.flight-port .city {
  font-size: 0.78em;
  color: var(--muted);
}

.flight-port .time {
  font-size: 0.85em;
  font-weight: 600;
  margin-top: 4px;
}

.flight-arrow {
  text-align: center;
  font-size: 0.8em;
  color: var(--muted);
}

.flight-arrow .line {
  display: block;
  border-top: 1px dashed var(--muted);
  width: 60px;
  margin: 4px auto;
}

.flight-meta {
  font-size: 0.82em;
  color: var(--muted);
  padding: 0 16px 12px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.flight-meta strong { color: var(--ink); }

/* Hotel list */
.hotel-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hotel-row {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
  background: var(--panel-bg);
  border-radius: 8px;
  border-left: 3px solid var(--gold);
  font-size: 0.88em;
}

.hotel-nights {
  text-align: center;
  font-family: 'Noto Serif SC', serif;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.hotel-nights .n {
  font-size: 1.5em;
  display: block;
}

.hotel-nights .lbl {
  font-size: 0.7em;
  color: var(--muted);
  font-weight: 400;
}

.hotel-name { font-weight: 600; }

.hotel-dates {
  font-size: 0.82em;
  color: var(--muted);
  margin-top: 2px;
}

/* Day sections */
.day-section {
  margin-top: 44px;
  margin-bottom: 40px;
  scroll-margin-top: 20px;
}

.day-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--day-color, var(--accent));
}

.day-heading {
  min-width: 0;
  flex: 1;
}

.day-weather {
  margin-left: auto;
  align-self: center;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9em;
  white-space: nowrap;
  transition: background-color 0.15s, border-color 0.15s;
}

a.day-weather:hover,
a.day-weather:focus-visible {
  background: var(--panel-bg);
  border-color: var(--day-color, var(--accent));
  outline: none;
}

.day-weather:not(.loaded) {
  display: none;
}

.day-weather .wx-icon {
  font-size: 1.15em;
}

.day-weather .wx-temp {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  color: var(--ink);
}

.day-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: 'Noto Serif SC', serif;
  font-weight: 700;
  font-size: 1.1em;
  flex-shrink: 0;
  background: var(--day-color, var(--accent));
}

.day-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.35em;
  font-weight: 700;
}

.day-route {
  font-size: 0.85em;
  color: var(--muted);
  font-weight: 400;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 22px;
  background: var(--card-bg);
  border-radius: 10px;
  padding: 16px 18px;
  box-shadow: 0 1px 6px var(--shadow-sm);
  border-left: 3px solid var(--day-color, var(--accent));
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--day-color, var(--accent));
  background: var(--card-bg);
}

.timeline-item.transit {
  background: var(--transit-bg);
  border-left-width: 5px;
}

.time-badge {
  display: inline-block;
  font-size: 0.82em;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 6px;
  background: color-mix(in srgb, var(--day-color, var(--accent)) 15%, var(--badge-mix));
  color: var(--day-color, var(--accent));
}

.item-title {
  font-weight: 600;
  font-size: 1em;
  margin-bottom: 4px;
}

.item-detail {
  font-size: 0.9em;
  color: var(--item-text);
  line-height: 1.75;
}

/* Inline link chips */
.link-row {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

a.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82em;
  padding: 4px 10px;
  background: var(--chip-info-bg);
  color: var(--accent2);
  border-radius: 12px;
  text-decoration: none;
  font-weight: 500;
  border: 1px solid var(--chip-info-border);
  transition: all 0.15s;
  white-space: nowrap;
}

a.chip:hover {
  background: var(--accent2);
  color: white;
  border-color: var(--accent2);
}

a.chip.ticket {
  background: var(--chip-ticket-bg);
  color: var(--accent);
  border-color: var(--chip-ticket-border);
}

a.chip.ticket:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

a.chip.map {
  background: var(--chip-map-bg);
  color: var(--chip-map-color);
  border-color: var(--chip-map-border);
}

a.chip.map:hover {
  background: var(--chip-map-color);
  color: white;
  border-color: var(--chip-map-color);
}

/* Transit preferred / alternative */
.transit-route {
  background: var(--panel-bg);
  border-radius: 6px;
  padding: 10px 14px;
  margin-top: 8px;
  font-size: 0.85em;
}

.transit-route .pref {
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
}

.transit-route .alt {
  font-size: 0.88em;
  color: var(--muted);
  margin-top: 4px;
}

.transit-route .alt strong {
  color: var(--alt-strong);
  font-weight: 600;
}

.ticket-info {
  background: var(--panel-bg);
  border-radius: 6px;
  padding: 10px 14px;
  margin-top: 8px;
  font-size: 0.85em;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
}

.ticket-info span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.ticket-info .tag {
  font-weight: 600;
  color: var(--accent);
}

.stay-box {
  background: linear-gradient(135deg, var(--stay-bg-start), var(--stay-bg-end));
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
  padding: 14px 16px;
  margin-top: 18px;
  font-size: 0.9em;
}

.stay-box strong { color: var(--stay-strong); }

.stay-box .addr {
  font-size: 0.82em;
  color: var(--muted);
  margin-top: 4px;
}

.note-box {
  background: linear-gradient(135deg, var(--note-bg-start), var(--note-bg-end));
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
  padding: 14px 16px;
  margin: 18px 0;
  font-size: 0.88em;
  line-height: 1.75;
}

.note-box strong { color: var(--stay-strong); }

.booking-list {
  font-size: 0.9em;
  line-height: 2;
}

.booking-list strong { color: var(--accent); }

.footer {
  text-align: center;
  padding: 34px 20px;
  color: var(--muted);
  font-size: 0.82em;
  border-top: 1px solid var(--border);
  margin-top: 30px;
  line-height: 2;
}

a { color: var(--accent2); }

/* Paired hero buttons — identical styling, only differ in horizontal position */
.home-link,
.theme-toggle {
  position: absolute;
  top: 16px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.08);
  color: white;
  border-radius: 50%;
  cursor: pointer;
  font: inherit;
  font-size: 16px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  backdrop-filter: blur(10px);
  transition: all 0.2s ease;
  z-index: 2;
  padding: 0;
}

.theme-toggle { right: 16px; }
.home-link    { right: 64px; }  /* 16 + 38 + 10 gap */

.theme-toggle:hover {
  background: rgba(255,255,255,0.18);
  transform: rotate(20deg);
}

.home-link:hover {
  background: rgba(255,255,255,0.18);
  transform: scale(1.08);
}

@media (max-width: 640px) {
  .hero h1 { font-size: 1.7em; letter-spacing: 4px; }
  .overview-grid { grid-template-columns: 1fr; }
  .toc { grid-template-columns: 1fr 1fr; }
  .container { padding: 0 14px; }
  .day-title { font-size: 1.15em; }
  .hotel-row { grid-template-columns: 56px 1fr; }
  .hotel-row > a { grid-column: 2; }
  .flight-port .code { font-size: 1.3em; }
  .cost-grid { grid-template-columns: 1fr; }
  .cost-card h3 { flex-direction: column; gap: 6px; align-items: flex-start; }
}