:root {
  --bg: #f7fafc;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-600: #1e40af;
  --border: #e5e7eb;
  --success: #16a34a;
  --warning: #f59e0b;
}

a {
  color: #2563eb;
  text-decoration: none;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Ensure main fills remaining space so footer can sit at bottom */
main {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: saturate(180%) blur(8px);
  background: rgba(255, 255, 255, 0.75);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 0;
}

.brand {
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) #eef2ff;
}

.nav-links::-webkit-scrollbar {
  height: 6px;
}

.nav-links::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.nav-links::-webkit-scrollbar-track {
  background: #eef2ff;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  padding: 8px 10px;
  border-radius: 8px;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--primary);
  background: #eef2ff;
}

.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-input {
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  background: var(--card);
}

.btn {
  height: 38px;
  padding: 0 14px;
  border: none;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}

.btn:hover {
  background: var(--primary-600);
}

/* Page sections */
.page-header {
  padding: 28px 0 12px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
}

.channel-title {
  font-size: 18px;
  font-weight: 600;
  text-indent: 5px;
}

.muted {
  color: var(--muted);
}

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.card {
  grid-column: span 12;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.card h3 {
  margin: 0 0 10px 0;
  font-size: 18px;
}

.kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 10px 16px;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: #eef2ff;
  color: var(--primary);
}

/* Tables */
.table-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  background: #f3f4f6;
  border-bottom: 1px solid var(--border);
  padding: 10px 12px;
  font-weight: 600;
}

tbody td {
  border-bottom: 1px solid var(--border);
  padding: 10px 12px;
}

/* 默认让所有单元格不换行 */
td {
  white-space: nowrap;
}

tbody tr:hover {
  background: #fafafa;
}

/* 已移除 .nowrap 使用，不再需要该类 */
.right {
  text-align: right;
}

/* Logo placeholder */
.logo-pill {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #e0e7ff;
  color: var(--primary-600);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* Airline logos */
.card .logo-row {
  margin-top: 0;
  margin-left: 24px;
}

@media (max-width: 680px) {
  .card>div {
    flex-direction: column;
    align-items: stretch;
  }

  .card .logo-row {
    margin-left: 0;
    margin-top: 12px;
    display: flex;
    justify-content: flex-start;
  }
}

.card>div {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.card .logo-box {
  height: 64px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px;
  max-width: 200px;
}


.logo-box img {
  display: block;
  max-width:100%;
}

/* Footer */
.site-footer {
  padding: 26px 0;
  color: var(--muted);
  text-align: center;
  margin-top: auto;
}

/* Pager */
.pager {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: center;
  padding: 14px 0 6px;
}

.pager button {
  min-width: 36px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
}

.pager button:hover {
  background: #f3f4f6;
}

.pager button.active {
  background: #eef2ff;
  color: var(--primary);
  border-color: #c7d2fe;
}

.pager .muted {
  font-size: 12px;
}

/* Pager anchors for plane.html */
.pager a {
  min-width: 36px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pager a:hover {
  background: #f3f4f6;
}

.pager a.active {
  background: #eef2ff;
  color: var(--primary);
  border-color: #c7d2fe;
}

/* Plane page sections controlled by :target */
#planes .page {
  display: none;
}

#planes .page:target {
  display: block;
}

#planes .page:first-of-type {
  display: block;
}

/* Highlight current page link using :target sibling selector */
#p1:target~.pager a[href="#p1"],
#p2:target~.pager a[href="#p2"],
#p3:target~.pager a[href="#p3"],
#p4:target~.pager a[href="#p4"] {
  background: #eef2ff;
  color: var(--primary);
  border-color: #c7d2fe;
}

/* Responsive */
@media (max-width: 900px) {
  .kv {
    grid-template-columns: 120px 1fr;
  }
}

@media (max-width: 680px) {
  .nav {
    flex-wrap: wrap;
  }

  .nav-actions {
    width: 100%;
  }

  .search-input {
    flex: 1;
    width: 100%;
  }

  .page-title {
    font-size: 20px;
  }

  thead {
    display: none;
  }

  table,
  tbody,
  tr,
  td {
    display: block;
    width: 100%;
  }

  tbody tr {
    border-bottom: 1px solid var(--border);
  }

  tbody td {
    border: none;
    padding: 8px 12px;
  }

  tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
    color: var(--muted);
  }
}