html,
body {
  margin: 0;
  height: 100%;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

#map {
  position: absolute;
  inset: 0;
}

#panel {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  width: 260px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

#panel h1 {
  margin: 0 0 6px;
  font-size: 16px;
}

#status {
  margin: 0 0 12px;
  font-size: 13px;
  color: #444;
}

.legend-title {
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 6px;
}

/* Colour ramp mirrors the heatmap-color stops in app.js. */
.legend-ramp {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(
    to right,
    rgba(33, 102, 172, 0) 0%,
    rgb(103, 169, 207) 20%,
    rgb(209, 229, 240) 40%,
    rgb(253, 219, 199) 60%,
    rgb(239, 138, 98) 80%,
    rgb(178, 24, 43) 100%
  );
}

.legend-scale {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: #666;
  margin-top: 3px;
}

.privacy {
  margin: 12px 0 0;
  font-size: 11px;
  line-height: 1.4;
  color: #666;
  border-top: 1px solid #e3e3e3;
  padding-top: 10px;
}