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

:root {
  --teal:    #72ae98;
  --teal-dk: #5a9481;
  --orange:  #ff883b;
  --bg:      #F4F7F6;
  --text:    #1C2B3A;
  --muted:   #6B7E8F;
  --header-h: 52px;
  --timeline-h: 60px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  touch-action: manipulation;
}

/* ── Header ─────────────────────────────────────── */
header {
  height: var(--header-h);
  background: var(--teal);
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
  gap: .6rem;
  flex-shrink: 0;
  box-shadow: 0 1px 4px rgba(0,0,0,.15);
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
  gap: .45rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .02em;
}

.legal-nav {
  display: flex;
  gap: 1rem;
  margin-left: auto;
}
.legal-nav a {
  color: rgba(255,255,255,.75);
  font-size: .78rem;
  text-decoration: none;
  white-space: nowrap;
}
.legal-nav a:hover { color: #fff; }

.site-title {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: .03em;
  text-shadow: 2px 2px 4px #00000040;
}

.ship-filter {
  position: relative;
}

.filter-btn {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 7px;
  color: #fff;
  font-size: .82rem;
  font-weight: 500;
  padding: .35rem .75rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s;
}
.filter-btn:hover { background: rgba(255,255,255,.25); }

#filter-count {
  background: var(--orange);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  border-radius: 10px;
  padding: 1px 6px;
  margin-left: .3rem;
}

.filter-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
  min-width: 210px;
  padding: .5rem 0;
  z-index: 50;
}
.filter-dropdown.hidden { display: none; }

.filter-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .42rem .9rem;
  font-size: .82rem;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}
.filter-item:hover { background: #f0f6f3; }
.filter-item input[type=checkbox] {
  accent-color: var(--teal);
  width: 14px; height: 14px;
  flex-shrink: 0;
  cursor: pointer;
}
.filter-divider {
  border: none;
  border-top: 1px solid #e8efec;
  margin: .35rem 0;
}

/* ── Map ─────────────────────────────────────────── */
#map {
  flex: 1;
  width: 100%;
  min-height: 0;
}

/* ── Timeline bar ────────────────────────────────── */
#timeline-bar {
  position: relative;
  background: #fff;
  border-top: 1px solid #e0e8e4;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: .35rem 1.25rem .6rem;
  flex-shrink: 0;
  z-index: 10;
  gap: .25rem;
}

#date-notch {
  position: absolute;
  top: 0;
  transform: translate(-50%, -100%);
  background: #fff;
  color: var(--text);
  font-size: .72rem;
  font-weight: 600;
  padding: .22rem .6rem;
  border-radius: 6px 6px 0 0;
  border: 1px solid #e0e8e4;
  border-bottom: none;
  white-space: nowrap;
  pointer-events: none;
  z-index: 11;
}

#year-nav {
  display: flex;
  justify-content: center;
  gap: .35rem;
  padding-top: .3rem;
  padding-bottom: .1rem;
}

.year-pill {
  background: none;
  border: 1px solid #cdd8d3;
  border-radius: 12px;
  padding: .22rem .85rem;
  font-size: .75rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.year-pill:hover { border-color: var(--teal); color: var(--teal); }
.year-pill.active {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
  font-weight: 700;
}

#timeline-inner {
  display: flex;
  align-items: center;
  gap: .75rem;
  width: 100%;
  padding-top: .85rem;
}

#btn-prev, #btn-next {
  background: var(--teal);
  border: none;
  border-radius: 7px;
  width: 32px; height: 32px;
  font-size: 1.15rem;
  color: #fff;
  cursor: pointer;
  line-height: 1;
  flex-shrink: 0;
  transition: background .15s;
  margin-top: -14px;
}
#btn-prev:hover, #btn-next:hover { background: var(--teal-dk); }


#slider-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

#timeline {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(
    to right,
    var(--teal) var(--slider-pct, 0%),
    #dde8e3 var(--slider-pct, 0%)
  );
  cursor: pointer;
  outline: none;
}
#timeline::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
}
#timeline::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px; height: 20px;
  margin-top: -8px;
  border-radius: 50%;
  background: var(--teal);
  border: 2.5px solid #fff;
  box-shadow: 0 1px 5px rgba(0,0,0,.25);
  cursor: pointer;
}
#timeline::-moz-range-track {
  height: 4px;
  border-radius: 2px;
  background: #dde8e3;
}
#timeline::-moz-range-progress {
  height: 4px;
  border-radius: 2px;
  background: var(--teal);
}
#timeline::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--teal);
  border: 2.5px solid #fff;
  box-shadow: 0 1px 5px rgba(0,0,0,.25);
  cursor: pointer;
}

#month-nav {
  display: flex;
}

.month-label {
  flex: 1;
  font-size: .62rem;
  color: var(--muted);
  text-align: center;
  user-select: none;
  min-width: 0;
  overflow: hidden;
}
.month-label.active {
  color: var(--teal);
  font-weight: 700;
}
.month-label.out-of-range { opacity: .3; }

/* ── Ship panel ──────────────────────────────────── */
#ship-panel {
  position: absolute;
  top: calc(var(--header-h) + 16px);
  right: 16px;
  width: 300px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,.13);
  padding: 1.25rem;
  z-index: 20;
  transition: opacity .2s;
}
#ship-panel.hidden { display: none; }

#panel-actions {
  position: absolute;
  top: .75rem; right: .75rem;
  display: flex;
  gap: .25rem;
  align-items: center;
}
#panel-close, #panel-minimize {
  background: none; border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: color .15s, background .15s;
}
#panel-close:hover, #panel-minimize:hover {
  color: var(--text);
  background: #f0f4f2;
}

#ship-panel.minimized #panel-meta,
#ship-panel.minimized #panel-ports,
#ship-panel.minimized #panel-book-btn { display: none; }
#ship-panel.minimized #panel-trip-title { margin-bottom: 0; }
#ship-panel.minimized { padding-bottom: .9rem; }

#panel-ship-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: .2rem;
}

#panel-trip-title {
  font-size: .85rem;
  color: var(--text);
  margin-bottom: .75rem;
  line-height: 1.4;
}

#panel-meta {
  font-size: .78rem;
  color: var(--muted);
  margin-bottom: .9rem;
  display: flex;
  gap: 1rem;
}

#panel-ports {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}

.port-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
}
.ports-toggle {
  background: none;
  border: none;
  padding: 0;
  font-size: .78rem;
  font-weight: 600;
  color: var(--teal);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: .3rem;
  margin-bottom: .2rem;
}
.ports-toggle-icon { transition: transform .2s; }
#panel-ports.expanded .ports-toggle-icon { transform: rotate(180deg); }

.ports-list { display: none; }
#panel-ports.expanded .ports-list { display: flex; flex-direction: column; gap: .3rem; }

.port-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #cdd8d3;
  flex-shrink: 0;
}
.port-dot.active { background: var(--teal); }
.port-dot.past   { background: #cdd8d3; }
.port-name { color: var(--text); }
.port-date { color: var(--muted); margin-left: auto; }

.panel-book-btn {
  display: block;
  margin-top: 1rem;
  background: var(--orange);
  color: #fff;
  text-align: center;
  font-size: .85rem;
  font-weight: 700;
  padding: .6rem;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: .02em;
  transition: background .15s;
}
.panel-book-btn:hover { background: #e57420; }

/* ── Mapbox marker ───────────────────────────────── */
/* Wrapper is 0×0 at the exact coordinate — callout floats to the right */
.ship-callout {
  display: inline-flex;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: .35rem;
  background: #fff;
  color: var(--text);
  font-size: .7rem;
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: .02em;
  padding: .18rem .5rem .18rem .35rem;
  border-radius: 6px;
  cursor: pointer;
  border: 1.5px solid transparent;
  box-shadow: 0 2px 8px rgba(0,0,0,.22);
  transition: box-shadow .15s, border-color .15s;
}
.ship-callout::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-width: 0;
  border-right-color: #fff;
}
.ship-callout:hover { box-shadow: 0 3px 12px rgba(0,0,0,.3); }
.ship-callout.active {
  border-color: var(--teal);
  box-shadow: 0 2px 12px rgba(114,174,152,.4);
}
.ship-callout.active::before { border-right-color: var(--teal); }
.ship-callout.active span { color: var(--teal); }

.port-marker {
  width: 22px; height: 22px;
  background: #fff;
  border: 2px solid var(--teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .65rem;
  font-weight: 700;
  color: var(--teal);
  cursor: default;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
}

.mapboxgl-popup-content {
  border-radius: 8px !important;
  padding: .4rem .7rem !important;
  font-family: inherit;
  font-size: .78rem;
  font-weight: 500;
  color: var(--text);
  box-shadow: 0 2px 10px rgba(0,0,0,.15) !important;
}
.mapboxgl-popup-tip { display: none; }
.port-popup .mapboxgl-popup-content { background: var(--text); color: #fff; }

@media (max-width: 600px) {
  .site-title { display: none; }
}