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

body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: #333;
  padding: 12px 16px;
  max-width: 960px;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.15em;
  font-weight: 600;
}

.controls-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

#basemap-select {
  font-size: 13px;
  padding: 3px 6px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

#map {
  width: 100%;
  height: 500px;
  border: 1px solid #ccc;
  margin-bottom: 10px;
}

#plot {
  width: 100%;
  height: 170px;
  margin-bottom: 4px;
}

.slider-wrap {
  margin-bottom: 8px;
}

#year-slider {
  width: 100%;
  cursor: pointer;
}

#play-btn {
  font-size: 13px;
  padding: 4px 12px;
  border: 1px solid #888;
  border-radius: 4px;
  background: #f5f5f5;
  cursor: pointer;
}

#play-btn:hover {
  background: #e8e8e8;
}

.info-text {
  font-size: 1em;
  font-weight: 600;
  color: #333;
}

#loading-msg {
  font-style: italic;
  color: #888;
  margin: 8px 0;
}

#loading-msg.hidden {
  display: none;
}

hr {
  margin: 12px 0;
  border: none;
  border-top: 1px solid #ddd;
}

.citation {
  font-size: 0.82em;
  color: #666;
  line-height: 1.5;
}

.citation a {
  color: #4a7ab5;
}