body {
  margin: 0;
  overflow: hidden;
  background-color: black;
  color: white;
  font-family: sans-serif;
}

canvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
}

.controls {
  position: absolute;
  top: 15px;
  left: 15px;
  z-index: 10;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

button {
  padding: 6px 10px;
  border: none;
  border-radius: 4px;
  background-color: #333;
  color: white;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: #555;
}

button.active {
  background-color: #5aaebd;
}

button.confirmable:hover {
  background-color: #aa0000;
}

button.confirmable.confirming {
  background-color: red;
  color: white;
}

#propertiesPanel {
  position: absolute;
  top: 15px;
  right: 15px;
  z-index: 10;
  padding: 10px 12px;
  background-color: rgba(30, 30, 30, 0.95);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#propertiesPanel label {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 14px;
}

.panel input[type="number"],
.panel input[type="color"] {
  flex: 1;
  padding: 3px 5px;
  border-radius: 2px;
  border: none;
  outline: none;
}

#multiColorLabel {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

#defaultsPanel {
  position: absolute;
  top: 50px; /* adjust depending on the Defaults button's height */
  left: 303px; /* same as your button group’s left */
  height: 150px;
  z-index: 20;
  padding: 10px 12px;
  background-color: rgba(30, 30, 30, 0.95);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#defaultsPanel input[type="color"] {
  border: 0.5px solid #444; /* thinner and darker */
  border-radius: 2px;
  width: 60px;
  height: 28px;
  background-color: #222;
  outline: none;
  cursor: pointer;
}

#defaultsPanel.hidden,
#propertiesPanel.hidden,
.hidden {
  display: none;
}