:root {
  --mint: #b8e4d4;
  --mint-hover: #a3d8c4;
  --mint-light: #e8f5f0;
  --bg: #fcfdfb;
  --card-bg: #ffffff;
  --text: #333333;
  --text-secondary: #666666;
  --border: #eeeeee;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --transition: 0.2s ease;
  --nav-height: 56px;
  --font-stack: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  padding-top: var(--nav-height);
  min-height: 100vh;
}

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

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

img, iframe, video {
  display: none;
}

strong, b {
  font-weight: 700;
}

em {
  font-style: italic;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

h1 { font-size: 1.6rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.15rem; }

ul, ol {
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.3rem;
}

/* ===== Navigation ===== */
.global-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 0.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}

.nav-link:hover {
  background: var(--mint-light);
  color: var(--text);
}

.nav-link.active {
  color: var(--text);
  background: var(--mint-light);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.75rem;
  right: 0.75rem;
  height: 2px;
  background: var(--mint);
  border-radius: 1px;
}

.nav-link {
  position: relative;
}

/* ===== Main Layout ===== */
.main-container {
  max-width: 820px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.page-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.page-header h1 {
  font-size: 1.6rem;
  margin-bottom: 0.3rem;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ===== Cards ===== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
  overflow: hidden;
}

.card-header {
  padding: 0.85rem 1rem;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  user-select: none;
  -webkit-user-select: none;
  transition: background var(--transition);
}

.card-header:hover {
  background: var(--mint-light);
}

.card-header .toggle-icon {
  flex-shrink: 0;
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: transform var(--transition);
}

.card-header.active .toggle-icon {
  transform: rotate(90deg);
}

.card-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.card-body-inner {
  padding: 0 1rem 1rem;
}

.card-body.open {
  max-height: 5000px;
}

/* ===== Tables ===== */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: var(--mint-light);
  font-weight: 700;
  font-size: 0.85rem;
  white-space: nowrap;
}

tr:last-child td {
  border-bottom: none;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--mint);
  border-radius: var(--radius);
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  font-family: inherit;
  line-height: 1.4;
}

.btn:hover {
  background: var(--mint-light);
  border-color: var(--mint-hover);
}

.btn-copy {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  margin-left: 0.4rem;
}

.btn-map-full {
  background: var(--mint-light);
  border-color: var(--mint);
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
}

.btn-map-small {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-color: var(--border);
  color: var(--text-secondary);
}

.btn-map-small:hover {
  border-color: var(--mint);
  color: var(--text);
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--mint);
  border: none;
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), background var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--mint-hover);
}

/* ===== Countdown ===== */
.countdown-wrap {
  text-align: center;
  padding: 1.5rem 1rem;
  margin-bottom: 1.5rem;
}

.countdown-wrap h2 {
  margin-bottom: 0.5rem;
}

.countdown-display {
  font-size: 2rem;
  font-weight: 700;
  color: var(--mint-hover);
  line-height: 1.2;
}

.countdown-display span {
  display: inline-block;
  min-width: 2.5rem;
}

.countdown-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

.timezone-note {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: var(--mint-light);
  border-radius: var(--radius);
}

/* ===== Collapsible Sections ===== */
.collapsible {
  margin-bottom: 0.75rem;
}

.collapsible-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  color: var(--text);
  text-align: left;
  transition: background var(--transition), border-color var(--transition);
}

.collapsible-trigger:hover {
  background: var(--mint-light);
  border-color: var(--mint);
}

.collapsible-trigger .arrow {
  flex-shrink: 0;
  font-size: 0.75rem;
  color: var(--text-secondary);
  transition: transform var(--transition);
}

.collapsible-trigger.active .arrow {
  transform: rotate(90deg);
}

.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.collapsible-content-inner {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
}

.collapsible-content.open {
  max-height: 5000px;
}

/* ===== Timeline (Schedule Page) ===== */
.timeline {
  position: relative;
  padding-left: 1.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--mint);
  border-radius: 1px;
}

.timeline-item {
  position: relative;
  margin-bottom: 1rem;
  padding-left: 1rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.25rem;
  top: 0.4rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mint);
  border: 2px solid var(--card-bg);
}

.timeline-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.timeline-content {
  font-size: 0.9rem;
  line-height: 1.6;
}

.timeline-content .highlight {
  font-weight: 700;
}

/* ===== Copy Toast ===== */
.toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9999;
  background: var(--text);
  color: var(--card-bg);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  visibility: visible;
}

/* ===== Checkbox (Packing List) ===== */
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.35rem 0;
}

.checklist-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--mint);
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 0.25rem;
  position: relative;
  transition: background var(--transition), border-color var(--transition);
}

.checklist-item input[type="checkbox"]:checked {
  background: var(--mint);
  border-color: var(--mint);
}

.checklist-item input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: -2px;
  left: 2px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.checklist-item label {
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1.5;
  flex: 1;
}

.checklist-item input[type="checkbox"]:checked + label {
  text-decoration: line-through;
  color: var(--text-secondary);
}

/* ===== Info Page Specific ===== */
.emergency-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.emergency-item:last-child {
  border-bottom: none;
}

.emergency-label {
  font-weight: 700;
  display: block;
  margin-bottom: 0.15rem;
}

.emergency-value {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== Orders Page ===== */
.order-section-title {
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.5rem 0;
  margin-top: 0.5rem;
}

.order-highlight {
  font-weight: 700;
}

/* ===== Schedule Day ===== */
.day-title {
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.day-date {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  body {
    font-size: 15px;
  }

  h1 { font-size: 1.35rem; }
  h2 { font-size: 1.15rem; }

  .main-container {
    padding: 1rem 0.75rem 2.5rem;
  }

  .global-nav {
    padding: 0 0.5rem;
    gap: 0;
  }

  .nav-link {
    font-size: 0.78rem;
    padding: 0.35rem 0.55rem;
  }

  .countdown-display {
    font-size: 1.5rem;
  }

  th, td {
    padding: 0.4rem 0.5rem;
    font-size: 0.82rem;
  }

  .card-body-inner {
    padding: 0 0.75rem 0.75rem;
  }

  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .btn {
    font-size: 0.75rem;
    padding: 0.3rem 0.65rem;
  }

  .timeline {
    padding-left: 1.25rem;
  }
}

@media (max-width: 380px) {
  .nav-link {
    font-size: 0.72rem;
    padding: 0.3rem 0.4rem;
  }

  .countdown-display {
    font-size: 1.25rem;
  }
}