/* Global styles for the Sentient Fluid Simulator */
body {
  margin: 0;
  overflow: hidden;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #1a1a1a;
  color: #e0e0e0;
}

#controls {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 10;
  background: rgba(0, 0, 0, 0.7);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.85);
}

#controls label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

#controls input[type=range] {
  width: 250px;
}

#controls button {
  display: block;
  margin-top: 15px;
  padding: 10px 20px;
  background-color: #282c34;
  border: none;
  border-radius: 5px;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
}

#controls button:hover,
#controls button:focus {
  background-color: #444;
  transform: scale(1.05);
}

#controls button:active {
  transform: scale(0.95);
}