/* Overlay and popup layout */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.popup {
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  max-width: 90%;
  max-height: 90%;
  overflow: auto;
  position: relative;
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}
.popup select {
  padding: 6px 10px;
  margin: 5px 5px 10px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.popup .expand-btn { display: none !important; }

.close-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 1;
}

.columns-container {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: flex-start;
}

h3, p {
  margin: 0.5em;
}

.select-legend-wrapper {
  display: flex;
  justify-content: space-between;
}

.legend-color {
  display: inline-block;
  width: 16px;
  height: 16px;
  background-color: #F5F5DC;
  border: 1px solid #ccc;
  margin-right: 0.4em;
}

.legend-color-2 {
  display: inline-block;
  width: 16px;
  height: 16px;
  background-color: #f1f5f9;
  border: 1px solid #ccc;
  margin-right: 0.4em;
}

.legend {
  display: none;
  align-items: center;
  color: #333;
  margin-right: 0.5em;
}