/* Japan Travel Website - Cherry Blossom Theme */

:root {
  /* Japan-themed color palette */
  --sakura-pink: #FFB7C5;
  --sakura-light: #FFF0F3;
  --vermillion: #D93A49;
  --vermillion-dark: #B8303D;
  --cream: #FFF8F0;
  --gold: #C9A227;
  --dark: #2D2D2D;
  --gray: #666;
  --light-gray: #E8E8E8;

  /* Location colors */
  --tokyo-color: #E63946;
  --kyoto-color: #8B5CF6;
  --nara-color: #10B981;
  --hakone-color: #3B82F6;
  --departure-color: #6B7280;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;

  /* Typography */
  --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: Georgia, 'Times New Roman', serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--cream);
  color: var(--dark);
  line-height: 1.6;
  min-height: 100vh;
}

/* Header */
.header {
  background: linear-gradient(135deg, var(--vermillion) 0%, var(--sakura-pink) 100%);
  color: white;
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='20' cy='20' r='8' fill='%23ffffff15'/%3E%3Ccircle cx='80' cy='40' r='6' fill='%23ffffff10'/%3E%3Ccircle cx='40' cy='70' r='10' fill='%23ffffff08'/%3E%3Ccircle cx='90' cy='80' r='5' fill='%23ffffff12'/%3E%3C/svg%3E");
  background-size: 150px;
  pointer-events: none;
}

.header h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  position: relative;
}

.header .dates {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-top: var(--space-xs);
  position: relative;
}

/* Navigation */
.nav {
  background: white;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.nav-scroll {
  display: flex;
  overflow-x: auto;
  padding: var(--space-sm);
  gap: var(--space-xs);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.nav-scroll::-webkit-scrollbar {
  display: none;
}

.nav-item {
  flex-shrink: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--sakura-light);
  color: var(--vermillion);
  text-decoration: none;
  border-radius: 20px;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.nav-item:hover,
.nav-item:active {
  background: var(--vermillion);
  color: white;
}

.nav-item.nav-ref {
  background: var(--light-gray);
  color: var(--gray);
}

.nav-item.nav-ref:hover {
  background: var(--dark);
  color: white;
}

/* Main content */
.main {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-md);
}

/* Day cards */
.day {
  background: white;
  border-radius: 12px;
  margin-bottom: var(--space-md);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden;
}

.day-image {
  width: 100%;
  height: 120px;
  object-fit: cover;
  display: block;
}

.day-header {
  display: flex;
  align-items: center;
  padding: var(--space-md);
  cursor: pointer;
  gap: var(--space-md);
  transition: background 0.2s;
}

.day-header:hover {
  background: var(--sakura-light);
}

.day-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 45px;
}

.day-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--vermillion);
  line-height: 1;
}

.day-weekday {
  font-size: 0.75rem;
  color: var(--gray);
  text-transform: uppercase;
}

.day-info {
  flex: 1;
}

.day-info h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.location-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  color: white;
  margin-right: var(--space-xs);
}

.location-badge.tokyo { background: var(--tokyo-color); }
.location-badge.kyoto { background: var(--kyoto-color); }
.location-badge.nara { background: var(--nara-color); }
.location-badge.hakone { background: var(--hakone-color); }
.location-badge.departure { background: var(--departure-color); }

.sakura-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--sakura-pink), var(--vermillion));
  color: white;
}

.chevron {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--gray);
  border-bottom: 2px solid var(--gray);
  transform: rotate(45deg);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.day.expanded .chevron {
  transform: rotate(-135deg);
}

.day-content {
  display: none;
  padding: 0 var(--space-md) var(--space-md);
  border-top: 1px solid var(--light-gray);
}

.day.expanded .day-content {
  display: block;
}

/* Transport cards */
.transport-card {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  border-left: 4px solid var(--hakone-color);
  padding: var(--space-md);
  border-radius: 8px;
  margin: var(--space-md) 0;
}

.transport-card.arrival {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-left-color: var(--gold);
}

.transport-card.departure {
  background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
  border-left-color: var(--departure-color);
}

.transport-card strong {
  display: block;
  margin-bottom: var(--space-xs);
}

.transport-card p {
  font-size: 0.9rem;
  color: var(--gray);
  margin: var(--space-xs) 0;
}

.transport-card .tip {
  color: var(--vermillion);
  font-style: italic;
}

/* Activities list */
.activities {
  list-style: none;
  margin: var(--space-md) 0;
}

.activities li {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--light-gray);
}

.activities li:last-child {
  border-bottom: none;
}

.activity-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.activities strong {
  display: block;
  margin-bottom: var(--space-xs);
}

.activities p {
  font-size: 0.9rem;
  color: var(--gray);
  margin: var(--space-xs) 0;
}

.activities .note {
  color: var(--vermillion);
  font-style: italic;
  font-size: 0.85rem;
}

.activities a {
  color: var(--dark);
  text-decoration: none;
  border-bottom: 1px solid var(--sakura-pink);
  transition: border-color 0.2s;
}

.activities a:hover {
  border-color: var(--vermillion);
}

/* Hotel card */
.hotel-card {
  background: var(--sakura-light);
  padding: var(--space-md);
  border-radius: 8px;
  margin-top: var(--space-md);
  border-left: 4px solid var(--sakura-pink);
}

.hotel-card strong {
  color: var(--vermillion-dark);
}

.hotel-card p {
  font-size: 0.85rem;
  color: var(--gray);
  margin-top: var(--space-xs);
}

.hotel-card a {
  color: var(--vermillion);
  text-decoration: none;
}

.hotel-card a:hover {
  text-decoration: underline;
}

.hotel-card .hotel-times {
  font-size: 0.8rem;
  color: var(--vermillion-dark);
  font-weight: 500;
  margin: var(--space-xs) 0;
}

.hotel-card.checkout {
  background: #fff3e0;
  border-left-color: #ff9800;
}

.hotel-card.checkin {
  background: #e8f5e9;
  border-left-color: #4caf50;
}

/* Reference sections */
.reference-section {
  background: white;
  border-radius: 12px;
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--vermillion);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--sakura-pink);
}

/* Train table */
.train-table {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.train-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--sakura-light);
  border-radius: 8px;
}

.train-date {
  font-size: 0.8rem;
  color: var(--gray);
}

.train-route {
  font-weight: 600;
  color: var(--dark);
  grid-column: 1 / -1;
  margin-bottom: var(--space-xs);
}

.train-details {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.train-details span {
  color: var(--gray);
}

.transport-notes {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: #f0f9ff;
  border-radius: 8px;
}

.transport-notes h3 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.transport-notes ul {
  list-style: none;
}

.transport-notes li {
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
}

/* Hotel list */
.hotel-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.hotel-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--sakura-light);
  border-radius: 8px;
}

.hotel-dates {
  font-size: 0.85rem;
  color: var(--vermillion);
  font-weight: 600;
  min-width: 75px;
}

.hotel-details {
  flex: 1;
}

.hotel-details strong {
  display: block;
  margin-bottom: var(--space-xs);
}

.hotel-location {
  display: block;
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: var(--space-xs);
}

.hotel-details a {
  font-size: 0.85rem;
  color: var(--vermillion);
}

.booking-link {
  margin-top: var(--space-lg);
  text-align: center;
}

.booking-link a {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  background: var(--vermillion);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: background 0.2s;
}

.booking-link a:hover {
  background: var(--vermillion-dark);
}

/* Footer */
.footer {
  text-align: center;
  padding: var(--space-xl);
  color: var(--gray);
  font-size: 0.9rem;
}

/* PWA install banner (hidden by default) */
.install-banner {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--dark);
  color: white;
  padding: var(--space-md);
  text-align: center;
  z-index: 1000;
}

.install-banner.show {
  display: block;
}

.install-banner button {
  background: var(--vermillion);
  color: white;
  border: none;
  padding: var(--space-sm) var(--space-lg);
  border-radius: 20px;
  font-weight: 500;
  cursor: pointer;
  margin-left: var(--space-md);
}

/* Responsive adjustments */
@media (min-width: 600px) {
  .header h1 {
    font-size: 3rem;
  }

  .train-row {
    grid-template-columns: 100px auto 1fr;
  }

  .train-route {
    grid-column: auto;
    margin-bottom: 0;
  }

  .train-details {
    grid-column: auto;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --cream: #1a1a1a;
    --dark: #f5f5f5;
    --gray: #a0a0a0;
    --light-gray: #333;
  }

  .day,
  .reference-section {
    background: #252525;
  }

  .nav {
    background: #252525;
  }

  .nav-item {
    background: #333;
    color: var(--sakura-pink);
  }

  .nav-item.nav-ref {
    background: #444;
    color: #999;
  }

  .day-header:hover {
    background: #333;
  }

  .sakura-light,
  .hotel-card,
  .train-row,
  .hotel-item {
    background: #333;
  }

  .transport-card {
    background: #2a3540;
  }

  .transport-card.arrival {
    background: #3a3525;
  }

  .transport-card.departure {
    background: #333;
  }

  .transport-notes {
    background: #2a3540;
  }
}