:root {
  --bg: #0f1720;
  --panel: #16212c;
  --panel-border: #263444;
  --text: #e6edf3;
  --text-dim: #93a4b8;
  --accent: #4fb3ff;
  --accent-2: #ff8a4f;
}

* { box-sizing: border-box; }

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

#app {
  display: flex;
  height: 100vh;
  width: 100vw;
}

#sidebar {
  width: 340px;
  min-width: 340px;
  background: var(--panel);
  border-right: 1px solid var(--panel-border);
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#map {
  flex: 1;
  height: 100%;
}

header h1 {
  font-size: 1.15rem;
  margin: 0 0 4px;
}

.subtitle {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.panel {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 14px;
}

.panel h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin: 0 0 10px;
}

.panel-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.panel-header-row h2 {
  margin: 0 0 10px;
}

.refresh-icon-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  border-radius: 6px;
  width: 26px;
  height: 26px;
  line-height: 1;
  font-size: 1rem;
  cursor: pointer;
  flex-shrink: 0;
}

.refresh-icon-btn:hover {
  background: var(--accent);
  color: #0f1720;
  border-color: var(--accent);
}

#city-stats-list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 10px;
  font-size: 0.85rem;
}

#city-stats-list dt {
  color: var(--text-dim);
}

#city-stats-list dd {
  margin: 0;
  font-weight: 600;
  text-align: right;
}

.layer-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  padding: 4px 0;
  cursor: pointer;
}

.hint {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0 0 10px;
  line-height: 1.4;
}

.draw-result {
  font-size: 0.85rem;
  line-height: 1.5;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--panel-border);
  border-radius: 6px;
  padding: 10px;
  color: var(--text-dim);
}

.draw-result.has-data {
  color: var(--text);
  border-style: solid;
}

.draw-result h3 {
  margin: 0 0 8px;
  font-size: 0.85rem;
  color: var(--accent);
}

.draw-result dl {
  margin: 0 0 8px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 8px;
}

.draw-result dt { color: var(--text-dim); }
.draw-result dd { margin: 0; font-weight: 600; text-align: right; }

.draw-result .station-list {
  margin: 6px 0 0;
  padding-left: 18px;
  max-height: 140px;
  overflow-y: auto;
}

.draw-result .clear-btn {
  margin-top: 8px;
  background: var(--panel-border);
  color: var(--text);
  border: none;
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 0.78rem;
  cursor: pointer;
}

.draw-result .clear-btn:hover {
  background: var(--accent);
  color: #0f1720;
}

.legend-ramp {
  height: 12px;
  border-radius: 4px;
  background: linear-gradient(
    to right,
    rgba(79, 179, 255, 0.15),
    rgba(79, 179, 255, 0.65),
    rgba(86, 204, 180, 0.75),
    rgba(255, 209, 102, 0.85),
    rgba(255, 138, 79, 0.9),
    rgba(200, 30, 60, 0.95)
  );
  margin-bottom: 6px;
}

footer p {
  font-size: 0.7rem;
  color: var(--text-dim);
  line-height: 1.4;
  margin: 0;
}

footer p.credit {
  margin-top: 6px;
}

footer p.credit a {
  color: var(--accent);
  text-decoration: none;
}

footer p.credit a:hover {
  text-decoration: underline;
}

.metro-icon-wrapper {
  background: transparent;
  border: none;
}

.metro-marker svg circle {
  fill: #3b5bdb;
  stroke: #ffffff;
  stroke-width: 1.5;
}

.metro-marker svg text {
  font-size: 12px;
  font-weight: 700;
  fill: #ffffff;
  text-anchor: middle;
}

/* Under-construction / proposed stations: same symbol, muted + dashed so
   the distinction reads as "status", not as a different line/network. */
.metro-marker--planned svg circle {
  fill: #5b6b85;
  stroke-dasharray: 2.5 2;
  opacity: 0.9;
}

.leaflet-popup-content {
  font-size: 0.82rem;
  line-height: 1.4;
}

.leaflet-popup-content b { color: var(--accent); }