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

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

#panel {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 8px;
  padding: 14px 16px;
  width: 260px;
  max-height: calc(100vh - 24px);
  overflow-y: auto;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  font-size: 13px;
}

#panel .brand {
  margin: 0 0 8px;
}

#panel .brand .logo {
  height: 32px;
  width: auto;
  display: block;
}

#panel h1 {
  font-size: 16px;
  margin: 0 0 2px;
}

#panel .subtitle {
  margin: 0 0 10px;
  color: #555;
  font-size: 12px;
}

#panel .intro {
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #ddd;
  color: #444;
  font-size: 12px;
  line-height: 1.5;
}

#panel h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #333;
  margin: 14px 0 6px;
  border-top: 1px solid #ddd;
  padding-top: 10px;
}

#panel section:first-of-type h2 {
  border-top: none;
  padding-top: 0;
}

#panel label {
  display: block;
  margin: 4px 0;
  cursor: pointer;
}

#panel label.sub {
  margin-left: 18px;
  font-size: 12px;
  color: #555;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 4px 0;
}

.swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex: none;
}

.swatch.dot {
  border-radius: 50%;
}

.swatch.outline {
  background: transparent;
  border: 2px solid;
}

#functie-search {
  width: 100%;
  box-sizing: border-box;
  padding: 4px 6px;
  font-size: 12.5px;
  margin-bottom: 4px;
}

#functie-select {
  width: 100%;
  box-sizing: border-box;
  font-size: 12.5px;
}

#functie-select option {
  padding: 1px 2px;
}

#functie-clear {
  margin-top: 4px;
  font-size: 11.5px;
  cursor: pointer;
}

#status {
  color: #555;
  font-size: 12px;
  margin-top: 12px;
}

.maplibregl-popup-content {
  font-size: 13px;
  max-width: 260px;
}

.maplibregl-popup-content h3 {
  margin: 0 0 6px;
  font-size: 14px;
}

.maplibregl-popup-content dl {
  margin: 0;
}

.maplibregl-popup-content dt {
  font-weight: 600;
  color: #555;
  margin-top: 4px;
}

.maplibregl-popup-content dd {
  margin: 0;
}