html, body {
  margin: 0;
  height: 100%;
  font-family: system-ui, sans-serif;
  background: #111;
}

#map {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 110px;
}

#panel {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1;
  background: rgba(17, 17, 17, 0.88);
  color: #eee;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
  min-width: 190px;
}

#label {
  font-weight: 600;
  margin-bottom: 8px;
}

#jump {
  width: 100%;
  margin-bottom: 8px;
  background: #222;
  color: #eee;
  border: 1px solid #444;
  border-radius: 4px;
  padding: 3px 4px;
  font-family: inherit;
}

.legend-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
  color: #ccc;
  cursor: pointer;
  user-select: none;
}

.legend-row input {
  margin: 0;
  accent-color: #2b6cb0;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid #fff;
}

.count {
  margin-left: auto;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

#about-toggle {
  display: block;
  width: 100%;
  margin-top: 8px;
  background: #222;
  color: #ccc;
  border: 1px solid #444;
  border-radius: 4px;
  padding: 5px 8px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  text-align: center;
}

#about-toggle:hover {
  background: #2a2a2a;
  color: #fff;
}

#about-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  box-sizing: border-box;
}

#about-backdrop.hidden {
  display: none;
}

#about {
  position: relative;
  background: #181818;
  color: #eee;
  border-radius: 8px;
  padding: 20px 24px;
  max-width: 460px;
  width: 100%;
  max-height: 100%;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  font-size: 13px;
}

#about h2 {
  margin: 0;
  font-size: 16px;
}

#about h3 {
  margin: 16px 0 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #999;
}

#about section:first-of-type h3 {
  margin-top: 4px;
}

#about ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.5;
  color: #ccc;
}

#about li {
  margin-bottom: 6px;
}

#about a {
  color: #6ea8ff;
  text-decoration: none;
}

#about a:hover {
  color: #96c2ff;
  text-decoration: underline;
}

#about-facts {
  list-style: none;
  padding-left: 0;
}

#about-facts .fact {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 4px 0;
  margin-bottom: 4px;
}

.fact-value {
  flex: 0 0 auto;
  font-size: 17px;
  font-weight: 600;
  color: #e0413f;
  font-variant-numeric: normal;
}

.fact-label {
  color: #ccc;
  font-size: 13px;
  line-height: 1.5;
}

.fact-label a {
  margin-left: 2px;
}

#about-close {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  color: #999;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
}

#about-close:hover {
  color: #fff;
}

#about-chart svg {
  display: block;
  width: 100%;
  height: auto;
}

.about-chart-empty {
  color: #999;
  font-size: 12px;
  margin: 8px 0;
}

.about-line {
  stroke-width: 1.75;
  stroke-linejoin: round;
  stroke-linecap: round;
  opacity: 0.9;
  transition: opacity 0.1s, stroke-width 0.1s;
}

.about-line-earlier {
  stroke-width: 1.25;
  opacity: 0.35;
}

.about-line.is-active {
  stroke-width: 3;
  opacity: 1;
}

.about-line.is-dimmed {
  opacity: 0.12;
}

.about-baseline {
  stroke: #333;
  stroke-width: 1;
}

#about-crosshair {
  stroke: #444;
  stroke-width: 1;
  opacity: 0;
  pointer-events: none;
}

.about-axis-label {
  fill: #777;
  font-size: 9px;
  font-variant-numeric: tabular-nums;
  font-family: system-ui, sans-serif;
}

#about-chart {
  position: relative;
}

.about-tooltip {
  position: absolute;
  pointer-events: none;
  background: #0d0d0d;
  color: #eee;
  border: 1px solid #333;
  border-radius: 4px;
  padding: 3px 7px;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.1s;
  z-index: 1;
}

.about-chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin-top: 6px;
  font-size: 11px;
  color: #999;
}

.about-chart-legend [data-group] {
  cursor: default;
  transition: opacity 0.1s, color 0.1s;
}

.about-chart-legend [data-group].is-active {
  color: #fff;
  font-weight: 600;
}

.about-chart-legend [data-group].is-dimmed {
  opacity: 0.4;
}

.about-line-swatch {
  display: inline-block;
  width: 14px;
  height: 3px;
  margin-right: 4px;
  vertical-align: middle;
  border-radius: 1px;
}

#timeline {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 110px;
  overflow-x: auto;
  overflow-y: hidden;
  background: #181818;
  border-top: 1px solid #333;
  white-space: nowrap;
  scrollbar-width: thin;
  scrollbar-color: #555 #181818;
}

#timeline::-webkit-scrollbar {
  height: 10px;
}

#timeline::-webkit-scrollbar-track {
  background: #181818;
}

#timeline::-webkit-scrollbar-thumb {
  background: #555;
  border-radius: 5px;
}

#timeline::-webkit-scrollbar-thumb:hover {
  background: #6b6b6b;
}

#track {
  display: flex;
  height: 100%;
}

.day {
  display: flex;
  flex-direction: column;
  border-right: 1px solid #333;
  cursor: pointer;
}

.day-label {
  text-align: center;
  font-size: 11px;
  color: #999;
  padding: 4px 10px;
  border-radius: 4px;
}

.day-label:hover,
.day:not(.expanded):hover .day-label {
  background: #242424;
}

.day.future .day-label {
  color: #f0a020;
}

.day.selected .day-label {
  color: #fff;
}

.hours {
  display: none;
  flex: 1;
}

.day.expanded .hours {
  display: flex;
}

.tick {
  width: 22px;
  flex: 0 0 22px;
  border-right: 1px solid #222;
  color: #666;
  font-size: 9px;
  text-align: center;
  padding-top: 8px;
  cursor: pointer;
  box-sizing: border-box;
}

.tick:hover {
  background: #292929;
}

.tick.future {
  color: #f0a020;
}

.tick.selected {
  background: #3f3f3f;
  color: #fff;
}

.popup h4 {
  margin: 0 0 6px;
  font-size: 13px;
}

.popup table {
  border-collapse: collapse;
  font-size: 12px;
}

.popup th {
  text-align: left;
  padding: 1px 8px 1px 0;
  color: #666;
  font-weight: 500;
  white-space: nowrap;
}

.popup td {
  padding: 1px 0;
}