:root {
  --cream: #f3efe6;
  --cream-dark: #e9e3d4;
  --ink: #0a3a1f;
  --ink-soft: #2f4a3a;
  --orange: #f5a623;
  --orange-dark: #e08e0a;
  --teal: #07aeb6;
  --navy: #1a3a6b;
  --white: #ffffff;
  --line-gray: #d8d2c2;
  --shadow: 0 2px 10px rgba(10, 58, 31, 0.12);
  --header-h: 60px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--cream);
}

#app {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Header ---------- */
#header {
  height: var(--header-h);
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 16px;
  background: var(--white);
  border-bottom: 3px solid var(--orange);
  box-shadow: var(--shadow);
  z-index: 1000;
}

#sidebarToggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  background: var(--cream);
  border: 1px solid var(--line-gray);
  border-radius: 8px;
  cursor: pointer;
  flex: 0 0 auto;
}
#sidebarToggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  margin: 0 auto;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  flex: 0 0 auto;
  white-space: nowrap;
}
.brand-mark {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 1px;
  color: var(--ink);
}
.brand-mark::before {
  content: "⚓ ";
  color: var(--orange-dark);
}
.brand-sub {
  font-size: 11px;
  color: var(--ink-soft);
  font-weight: 600;
}

.search-wrap {
  position: relative;
  margin-left: auto;
  width: min(360px, 45vw);
}
#searchInput {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--line-gray);
  border-radius: 20px;
  background: var(--cream);
  font-size: 14px;
  color: var(--ink);
  outline: none;
}
#searchInput:focus { border-color: var(--teal); }
#searchResults {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--white);
  border: 1px solid var(--line-gray);
  border-radius: 10px;
  box-shadow: var(--shadow);
  max-height: 320px;
  overflow-y: auto;
  display: none;
  z-index: 1100;
}
#searchResults.open { display: block; }
.search-result {
  padding: 9px 14px;
  cursor: pointer;
  font-size: 13.5px;
  border-bottom: 1px solid var(--cream-dark);
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.search-result:last-child { border-bottom: none; }
.search-result:hover { background: var(--cream); }
.search-result .sr-lines { color: #888; font-size: 11px; }

/* ---------- Body layout ---------- */
#body {
  flex: 1 1 auto;
  display: flex;
  min-height: 0;
}

#sidebar {
  width: 320px;
  flex: 0 0 auto;
  background: var(--white);
  border-right: 1px solid var(--line-gray);
  overflow-y: auto;
  padding: 14px;
  z-index: 900;
}

.sidebar-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.btn {
  flex: 1;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  font-weight: 600;
  font-size: 12.5px;
  cursor: pointer;
}
.btn:hover { background: var(--ink-soft); }
.btn-ghost {
  background: var(--white);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--cream); }

.line-group {
  margin-bottom: 14px;
  border: 1px solid var(--cream-dark);
  border-radius: 10px;
  overflow: hidden;
}
.line-group-header {
  background: var(--cream);
  padding: 8px 12px;
  font-weight: 700;
  font-size: 13px;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}
.line-group-header .ggl-count {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--white);
  border-radius: 10px;
  padding: 1px 7px;
}
.line-group-header .ggl-arrow {
  transition: transform .15s ease;
  margin-left: 6px;
  font-size: 10px;
}
.line-group.collapsed .ggl-arrow { transform: rotate(-90deg); }
.line-group.collapsed .line-rows { display: none; }

.line-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-top: 1px solid var(--cream-dark);
  cursor: pointer;
}
.line-row:hover { background: var(--cream); }
.line-row input[type="checkbox"] {
  flex: 0 0 auto;
  accent-color: var(--teal);
  cursor: pointer;
}
.line-badge {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  text-shadow: 0 1px 1px rgba(0,0,0,.35);
}
.line-text {
  flex: 1 1 auto;
  min-width: 0;
  line-height: 1.2;
}
.line-text .lt-tr {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.line-text .lt-en {
  font-size: 10.5px;
  color: #8a8475;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.line-row.dimmed { opacity: 0.4; }
.line-row.flash { background: #fff3cf; animation: flash-fade 1.6s ease; }
@keyframes flash-fade {
  0% { background: #ffe8a3; }
  100% { background: transparent; }
}

.sidebar-footnote {
  font-size: 11px;
  color: var(--ink-soft);
  line-height: 1.45;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-gray);
}
.sidebar-footnote strong { color: var(--ink); }
.sidebar-footnote a {
  color: var(--teal);
  text-decoration: none;
  font-weight: 600;
}
.sidebar-footnote a:hover { text-decoration: underline; }

/* ---------- Privacy modal ---------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 58, 31, 0.45);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal-box {
  position: relative;
  background: var(--white);
  border-radius: 14px;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px 26px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
  line-height: 1.5;
  font-size: 14px;
  color: var(--ink-soft);
}
.modal-box h2 {
  margin-top: 0;
  color: var(--ink);
  font-size: 20px;
}
.modal-box h3 {
  color: var(--ink);
  font-size: 14.5px;
  margin: 18px 0 6px;
}
.modal-box ul { padding-left: 20px; margin: 6px 0; }
.modal-box a { color: var(--teal); }
.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line-gray);
  background: var(--cream);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  color: var(--ink);
}
.modal-close:hover { background: var(--cream-dark); }

/* ---------- Map area ---------- */
#mapContainer {
  flex: 1 1 auto;
  position: relative;
  min-width: 0;
}
#map {
  position: absolute;
  inset: 0;
}

/* ---------- Leaflet tweaks ---------- */
.station-label {
  background: transparent;
  border: none;
  box-shadow: none;
  font-size: 11px;
  font-weight: 700;
  color: var(--ink);
  text-shadow: -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff, 1px 1px 0 #fff, 0 0 4px #fff;
}
.leaflet-popup-content-wrapper {
  border-radius: 12px;
}
.popup-title {
  font-weight: 800;
  font-size: 15px;
  color: var(--ink);
  margin: 0 0 6px;
}
.popup-section-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: #9a9484;
  margin: 8px 0 4px;
}
.popup-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.popup-line-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px 3px 3px;
  border-radius: 14px;
  background: var(--cream);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  border: 1px solid var(--cream-dark);
}
.popup-line-badge:hover { background: var(--cream-dark); }
.popup-line-badge .dot {
  width: 17px;
  height: 17px;
  border-radius: 50%;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  text-shadow: 0 1px 1px rgba(0,0,0,.35);
}
.popup-transfer-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 14px;
  background: var(--navy);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

/* ---------- Mobile ---------- */
@media (max-width: 820px) {
  #sidebarToggle { display: flex; }
  .brand-sub { display: none; }
  .search-wrap { width: min(220px, 50vw); }

  #sidebar {
    position: fixed;
    top: var(--header-h);
    bottom: 0;
    left: 0;
    width: 86vw;
    max-width: 340px;
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: var(--shadow);
  }
  #sidebar.open { transform: translateX(0); }

  #sidebarScrim {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: rgba(0,0,0,0.35);
    z-index: 850;
    display: none;
  }
  #sidebarScrim.open { display: block; }
}