body { margin:0; padding:0; font-family: 'Segoe UI', sans-serif; }
#map { position:absolute; top:0; bottom:0; width:100%; }

#controls {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  background: rgba(255, 255, 255, 0.95);
  padding: 12px 16px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

#toggleBtn, #colorMode {
  background-color: #ff6600;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  margin-bottom: 8px;
  transition: background 0.3s, transform 0.2s;
}

#toggleBtn:hover, #colorMode:hover {
  background-color: #e65500;
  transform: translateY(-2px);
}

#bandWidthSlider {
  width: 180px;
  height: 6px;
  border-radius: 3px;
  background: #ddd;
  outline: none;
  -webkit-appearance: none;
  margin-top: 4px;
}

#bandWidthSlider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ff6600;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
  transition: background 0.3s, transform 0.2s;
}

#bandWidthSlider::-webkit-slider-thumb:hover {
  background: #e65500;
  transform: scale(1.2);
}

#controls label {
  font-size: 13px;
  margin-bottom: 4px;
  display: block;
}

select#colorMode {
  background: #ff6600;
  color: white;
  border: none;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 14px;
  cursor: pointer;
}

/* Legend styling */
#legend {
  font-size: 12px;
  line-height: 1.4em;
  background: rgba(255,255,255,0.9);
  padding: 6px 10px;
  border-radius: 6px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
  margin-top: 10px;
}
.legend-title {
  font-weight: bold;
  margin-bottom: 4px;
}
.legend-note {
  font-size: 11px;
  font-style: italic;
  margin-top: 4px;
}
.legend-color {
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-right: 6px;
  vertical-align: middle;
}