:root {
  --bg: #f7f4ec;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --ink: #1f2b2a;
  --muted: #65716d;
  --line: #d9dfd3;
  --bamboo: #2f6f63;
  --bamboo-dark: #1f4f48;
  --lake: #4f93a1;
  --tea: #b38a32;
  --clay: #b25b3f;
  --shadow: 0 16px 40px rgba(34, 48, 43, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.6;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(47, 111, 99, 0.08), transparent 380px),
    var(--bg);
}

a {
  color: var(--bamboo-dark);
  text-decoration: none;
}

a:hover {
  color: var(--clay);
}

button,
input {
  font: inherit;
}

.site-shell {
  width: min(1060px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.hero {
  min-height: 320px;
  display: grid;
  align-content: end;
  gap: 10px;
  padding: clamp(28px, 6vw, 64px);
  border: 1px solid rgba(47, 111, 99, 0.18);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.96), rgba(232, 242, 236, 0.9)),
    repeating-linear-gradient(90deg, rgba(47, 111, 99, 0.07) 0 1px, transparent 1px 48px);
  box-shadow: var(--shadow);
}

.hero-kicker,
.section-heading span,
.summary-label,
.today-label {
  color: var(--tea);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  color: var(--bamboo-dark);
  font-size: clamp(2.3rem, 8vw, 5.2rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-subtitle {
  margin: 0;
  color: var(--lake);
  font-size: clamp(1.05rem, 3vw, 1.5rem);
  font-weight: 700;
}

.hero-copy {
  max-width: 640px;
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0;
}

.summary-card,
.tool-panel,
.today-strip,
.day-card,
.map-board {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.92);
  box-shadow: 0 10px 26px rgba(34, 48, 43, 0.08);
}

.summary-card {
  min-height: 156px;
  padding: 18px;
}

.summary-card strong {
  display: block;
  margin-top: 8px;
  color: var(--bamboo-dark);
  font-size: 1.05rem;
  line-height: 1.35;
}

.summary-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.tool-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(280px, 1.2fr);
  gap: 18px;
  align-items: center;
  padding: 20px;
  margin-bottom: 20px;
}

.tool-panel h2,
.section-heading h2 {
  margin: 0;
  color: var(--bamboo-dark);
  font-size: 1.5rem;
  letter-spacing: 0;
}

.tool-panel p,
.map-board p {
  margin: 6px 0 0;
  color: var(--muted);
}

.search-wrap {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

#searchInput {
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface-strong);
  outline: none;
}

#searchInput:focus {
  border-color: var(--bamboo);
  box-shadow: 0 0 0 3px rgba(47, 111, 99, 0.16);
}

#searchClear,
#jumpToday {
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid var(--bamboo);
  border-radius: var(--radius);
  color: #fff;
  background: var(--bamboo);
  cursor: pointer;
}

#searchClear[hidden] {
  display: none;
}

.today-strip {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 18px;
  margin-bottom: 20px;
  border-color: rgba(179, 138, 50, 0.34);
  background: #fff8e7;
}

.today-strip[hidden] {
  display: none;
}

.section-heading {
  margin: 30px 0 14px;
}

.itinerary-list {
  display: grid;
  gap: 14px;
}

.day-card {
  overflow: hidden;
}

.day-card.is-today {
  border-color: rgba(179, 138, 50, 0.7);
  box-shadow: 0 0 0 3px rgba(179, 138, 50, 0.12), 0 10px 26px rgba(34, 48, 43, 0.08);
}

.day-header {
  width: 100%;
  min-height: 104px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 18px;
  align-items: center;
  padding: 20px;
  border: 0;
  color: inherit;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.day-header:hover {
  background: rgba(47, 111, 99, 0.05);
}

.day-header:focus-visible {
  outline: 3px solid rgba(79, 147, 161, 0.45);
  outline-offset: -3px;
}

.day-meta {
  grid-column: 1 / 2;
  color: var(--tea);
  font-size: 0.9rem;
  font-weight: 700;
}

.day-title {
  grid-column: 1 / 2;
  color: var(--bamboo-dark);
  font-size: clamp(1.25rem, 3.5vw, 1.8rem);
  font-weight: 800;
  line-height: 1.22;
}

.day-city {
  grid-column: 1 / 2;
  color: var(--muted);
}

.day-toggle {
  grid-column: 2 / 3;
  grid-row: 1 / 4;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--bamboo);
  transition: transform 0.2s ease;
}

.day-card.is-open .day-toggle {
  transform: rotate(180deg);
}

.day-content {
  padding: 0 20px 22px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.46);
}

.day-content[hidden] {
  display: none;
}

.transport-note {
  margin: 18px 0;
  padding: 12px 14px;
  border-left: 4px solid var(--lake);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--bamboo-dark);
  background: rgba(79, 147, 161, 0.1);
}

.segment {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px dashed var(--line);
}

.segment:first-of-type {
  border-top: 0;
}

.segment h3 {
  margin: 0;
  color: var(--clay);
  font-size: 1rem;
}

.activity-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.activity-item {
  padding: 14px;
  border: 1px solid rgba(217, 223, 211, 0.8);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.activity-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: center;
}

.activity-category {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--bamboo-dark);
  background: rgba(47, 111, 99, 0.11);
  font-size: 0.82rem;
  font-weight: 700;
}

.activity-name {
  color: var(--ink);
  font-weight: 800;
}

.activity-item p {
  margin: 8px 0 0;
  color: var(--muted);
}

.activity-intro {
  margin-top: 10px;
  padding: 12px;
  border-left: 3px solid rgba(179, 138, 50, 0.7);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(179, 138, 50, 0.08);
}

.activity-intro p {
  margin: 0;
  color: var(--ink);
}

.intro-link {
  margin-top: 8px;
  font-weight: 800;
}

.activity-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
}

.focus-map {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(79, 147, 161, 0.34);
  border-radius: var(--radius);
  color: var(--bamboo-dark);
  background: rgba(79, 147, 161, 0.1);
  cursor: pointer;
  font-weight: 800;
}

.nav-link {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(47, 111, 99, 0.24);
  border-radius: var(--radius);
  color: var(--bamboo-dark);
  background: rgba(47, 111, 99, 0.06);
  font-size: 0.9rem;
  font-weight: 800;
}

.nav-link-primary {
  border-color: var(--bamboo);
  color: #fff;
  background: var(--bamboo);
}

.map-link-group {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
}

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

.map-actions a,
.map-chip-actions a {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 8px;
  border: 1px solid rgba(47, 111, 99, 0.24);
  border-radius: 999px;
  color: var(--bamboo-dark);
  background: rgba(47, 111, 99, 0.06);
  font-size: 0.82rem;
  font-weight: 700;
}

.hotel-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  align-items: start;
  margin-top: 8px;
  padding: 16px 0 0;
  border-top: 1px dashed var(--line);
}

.hotel-label {
  color: var(--clay);
  font-weight: 800;
}

.hotel-value {
  font-weight: 700;
}

.map-board {
  margin-top: 30px;
  padding: 22px;
}

.map-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 16px;
}

.map-toolbar label {
  color: var(--bamboo-dark);
  font-weight: 800;
}

#mapDaySelect {
  min-height: 42px;
  min-width: min(100%, 280px);
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface-strong);
}

.map-status {
  color: var(--muted);
  font-size: 0.92rem;
}

.route-map {
  width: 100%;
  min-height: 440px;
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #e9efe8;
}

.route-map.map-fallback {
  display: grid;
  place-items: center;
}

.map-note {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.map-popup h3 {
  margin: 4px 0 6px;
  color: var(--bamboo-dark);
  font-size: 1rem;
}

.map-popup p {
  margin: 0 0 8px;
}

.map-popup-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.map-popup-actions a {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 8px;
  border-radius: 999px;
  color: #fff;
  background: var(--bamboo);
  font-size: 0.82rem;
  font-weight: 800;
}

.route-marker {
  background: transparent;
  border: 0;
}

.route-marker span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 2px solid #fffdf8;
  border-radius: 50%;
  color: #fff;
  background: var(--marker-color, var(--bamboo));
  box-shadow: 0 6px 14px rgba(31, 43, 42, 0.28);
  font-size: 0.82rem;
  font-weight: 900;
}

.route-marker.is-focused span {
  width: 36px;
  height: 36px;
  box-shadow: 0 0 0 4px rgba(179, 138, 50, 0.28), 0 8px 18px rgba(31, 43, 42, 0.32);
}

.map-link-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.map-chip {
  min-height: 116px;
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.map-chip span {
  color: var(--tea);
  font-size: 0.82rem;
  font-weight: 800;
}

.map-chip strong {
  color: var(--ink);
}

.map-chip-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.empty-state {
  padding: 28px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: rgba(255, 253, 248, 0.7);
  text-align: center;
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: var(--bamboo);
  box-shadow: var(--shadow);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 880px) {
  .summary-grid,
  .map-link-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tool-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-shell {
    width: min(100% - 22px, 1060px);
    padding-top: 12px;
  }

  .hero {
    min-height: 300px;
    padding: 24px;
  }

  .summary-grid,
  .map-link-list,
  .segment,
  .hotel-row,
  .today-strip {
    grid-template-columns: 1fr;
  }

  .summary-card {
    min-height: auto;
  }

  .search-wrap {
    grid-template-columns: 1fr;
  }

  .day-header {
    min-height: 118px;
    padding: 18px;
  }

  .day-content {
    padding: 0 18px 20px;
  }

  .day-toggle {
    width: 34px;
    height: 34px;
  }

  .route-map {
    min-height: 360px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}