/* Messier overlay styling */
#messier-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  z-index: 1001; /* above grid, similar to constellations */
}

#messier-layer.visible {
  opacity: 1;
  transition: opacity 0.2s ease-in-out;
}

#messier-layer:not(.visible) {
  opacity: 0;
}

.messier-object circle {
  fill: rgba(var(--primary-rgb), 0.95);
  stroke: rgba(var(--primary-rgb), 0.25);
  stroke-width: 0.6;
  pointer-events: auto;
}

.messier-object circle.below-horizon {
  fill: rgba(var(--primary-rgb), 0.4);
  stroke: rgba(var(--primary-rgb), 0.2);
}

.messier-object text {
  fill: var(--primary-color);
  font-size: 10px;
  font-family: 'Courier New', monospace;
  pointer-events: auto;
}

.messier-object {
  pointer-events: auto;
}