/* ========== Metro Pages Shared Styles ========== */
/* 8 Cities Gradient Colors */
:root {
  /* Beijing - Forbidden City Red */
  --metro-beijing-primary: #c0392b;
  --metro-beijing-secondary: #e74c3c;
  /* Shanghai - Modern Red */
  --metro-shanghai-primary: #e74c3c;
  --metro-shanghai-secondary: #c0392b;
  /* Chengdu - Panda Green */
  --metro-chengdu-primary: #27ae60;
  --metro-chengdu-secondary: #2ecc71;
  /* Xi'an - Terracotta Bronze */
  --metro-xian-primary: #8b6914;
  --metro-xian-secondary: #b8860b;
  /* Guilin - Karst Mountain Green */
  --metro-guilin-primary: #16a085;
  --metro-guilin-secondary: #1abc9c;
  /* Hangzhou - West Lake Blue */
  --metro-hangzhou-primary: #2980b9;
  --metro-hangzhou-secondary: #3498db;
  /* Guangzhou - Canton Tower Orange */
  --metro-guangzhou-primary: #d35400;
  --metro-guangzhou-secondary: #e67e22;
  /* Shenzhen - Tech Purple-Blue */
  --metro-shenzhen-primary: #8e44ad;
  --metro-shenzhen-secondary: #9b59b6;
}

/* ========== Metro Page Hero ========== */
.metro-hero {
  background: linear-gradient(135deg, var(--metro-city-primary, #c0392b) 0%, var(--metro-city-secondary, #e74c3c) 100%);
  color: #ffffff;
  padding: 60px 20px 40px;
  text-align: center;
  margin-bottom: var(--space-8);
  border-radius: 0 0 12px 12px;
}

.metro-hero h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: #ffffff;
}

.metro-hero p {
  font-size: 18px;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ========== Metro Info Cards ========== */
.metro-info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.metro-info-card {
  background: var(--bg-primary);
  border-radius: 12px;
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.metro-info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.metro-info-card .card-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--metro-city-primary, #c0392b) 0%, var(--metro-city-secondary, #e74c3c) 100%);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: #ffffff;
  font-size: 24px;
}

.metro-info-card h3 {
  font-size: 18px;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.metro-info-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== Metro Lines Section ========== */
.metro-lines-section {
  background: var(--bg-primary);
  border-radius: 12px;
  padding: var(--space-8);
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.metro-lines-section h2 {
  font-size: 24px;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--border-primary);
  color: var(--text-primary);
}

.metro-line-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-secondary);
  border-radius: 8px;
  margin-bottom: var(--space-3);
  transition: all 0.3s;
  cursor: pointer;
}

.metro-line-item:hover {
  background: var(--bg-tertiary);
  transform: translateX(4px);
}

.metro-line-badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.metro-line-info {
  flex: 1;
}

.metro-line-info h4 {
  font-size: 16px;
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.metro-line-info p {
  font-size: 13px;
  color: var(--text-tertiary);
  margin: 0;
}

.metro-line-arrow {
  margin-left: auto;
  color: var(--text-tertiary);
  font-size: 20px;
}

/* ========== Attractions Table ========== */
.metro-attractions-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-8);
  background: var(--bg-primary);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.metro-attractions-table thead {
  background: linear-gradient(135deg, var(--metro-city-primary, #c0392b) 0%, var(--metro-city-secondary, #e74c3c) 100%);
  color: #ffffff;
}

.metro-attractions-table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  font-size: 14px;
}

.metro-attractions-table tbody tr {
  border-bottom: 1px solid var(--border-primary);
  transition: background 0.2s;
}

.metro-attractions-table tbody tr:hover {
  background: var(--bg-secondary);
}

.metro-attractions-table td {
  padding: var(--space-3) var(--space-4);
  font-size: 14px;
  color: var(--text-primary);
}

.metro-attractions-table tbody tr:last-child {
  border-bottom: none;
}

/* ========== Metro Tips Grid ========== */
.metro-tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.metro-tip-card {
  background: var(--bg-primary);
  border-radius: 12px;
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.metro-tip-card .tip-icon {
  font-size: 40px;
  margin-bottom: var(--space-4);
}

.metro-tip-card h4 {
  font-size: 16px;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.metro-tip-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== Metro CTA Section ========== */
.metro-cta {
  background: linear-gradient(135deg, var(--metro-city-primary, #c0392b) 0%, var(--metro-city-secondary, #e74c3c) 100%);
  color: #ffffff;
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  margin-bottom: var(--space-8);
}

.metro-cta h2 {
  font-size: 28px;
  margin-bottom: var(--space-4);
  color: #ffffff;
}

.metro-cta p {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: var(--space-6);
}

.metro-cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== City-Specific Metro Button ========== */
.metro-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  font-family: inherit;
}

.metro-btn-primary {
  background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(192, 57, 43, 0.4);
}

.metro-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(192, 57, 43, 0.6);
}

/* City-specific button variants */
.metro-btn-beijing {
  background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(192, 57, 43, 0.4);
}

.metro-btn-beijing:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(192, 57, 43, 0.6);
}

.metro-btn-shanghai {
  background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}

.metro-btn-shanghai:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(231, 76, 60, 0.6);
}

.metro-btn-chengdu {
  background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(39, 174, 96, 0.4);
}

.metro-btn-chengdu:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(39, 174, 96, 0.6);
}

.metro-btn-xian {
  background: linear-gradient(135deg, #8b6914 0%, #b8860b 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(139, 105, 20, 0.4);
}

.metro-btn-xian:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 105, 20, 0.6);
}

.metro-btn-guilin {
  background: linear-gradient(135deg, #16a085 0%, #1abc9c 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(22, 160, 133, 0.4);
}

.metro-btn-guilin:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(22, 160, 133, 0.6);
}

.metro-btn-hangzhou {
  background: linear-gradient(135deg, #2980b9 0%, #3498db 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(41, 128, 185, 0.4);
}

.metro-btn-hangzhou:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(41, 128, 185, 0.6);
}

.metro-btn-guangzhou {
  background: linear-gradient(135deg, #d35400 0%, #e67e22 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(211, 84, 0, 0.4);
}

.metro-btn-guangzhou:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(211, 84, 0, 0.6);
}

.metro-btn-shenzhen {
  background: linear-gradient(135deg, #8e44ad 0%, #9b59b6 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(142, 68, 173, 0.4);
}

.metro-btn-shenzhen:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(142, 68, 173, 0.6);
}

/* ========== Metro Icon SVG ========== */
.metro-icon {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ========== Responsive Design ========== */
@media screen and (max-width: 1024px) {
  .metro-hero h1 {
    font-size: 32px;
  }

  .metro-hero p {
    font-size: 16px;
  }
}

@media screen and (max-width: 768px) {
  .metro-hero {
    padding: 40px 16px 30px;
  }

  .metro-hero h1 {
    font-size: 28px;
  }

  .metro-info-cards {
    grid-template-columns: 1fr 1fr;
  }

  .metro-tips-grid {
    grid-template-columns: 1fr 1fr;
  }

  .metro-attractions-table {
    font-size: 13px;
  }

  .metro-attractions-table th,
  .metro-attractions-table td {
    padding: var(--space-2) var(--space-3);
  }

  .metro-cta {
    padding: 30px 20px;
  }

  .metro-cta h2 {
    font-size: 24px;
  }

  .metro-cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .metro-cta-buttons .metro-btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}

@media screen and (max-width: 480px) {
  .metro-hero h1 {
    font-size: 24px;
  }

  .metro-info-cards {
    grid-template-columns: 1fr;
  }

  .metro-tips-grid {
    grid-template-columns: 1fr;
  }

  .metro-line-item {
    flex-wrap: wrap;
  }

  .metro-line-arrow {
    display: none;
  }
}