* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #1a1410;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
#canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}
#info {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(20, 16, 12, 0.95);
  color: #e0d8d0;
  padding: 2rem;
  border-radius: 8px;
  max-width: 500px;
  text-align: center;
  border: 1px solid rgba(200, 160, 120, 0.3);
  z-index: 100;
}
#info h1 {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: #c8a078;
}
#info .subtitle {
  font-size: 0.9rem;
  color: #a08060;
  margin-bottom: 1rem;
}
#info .description {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  color: #d0c8c0;
}
#info .source {
  font-size: 0.8rem;
  color: #806850;
  margin-bottom: 0.75rem;
}
#info .controls-hint {
  font-size: 0.75rem;
  color: #605040;
  margin-bottom: 0.5rem;
}
#info .credit {
  font-size: 0.7rem;
  color: #504030;
}
#info .credit a {
  color: #a08060;
  text-decoration: none;
}
#controls {
  position: fixed;
  top: 1rem;
  right: 1rem;
  display: flex;
  gap: 0.5rem;
  z-index: 50;
}
#controls button {
  background: rgba(20, 16, 12, 0.8);
  border: 1px solid rgba(200, 160, 120, 0.3);
  color: #a08060;
  width: 2rem;
  height: 2rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
#controls button:hover {
  background: rgba(40, 32, 24, 0.9);
  border-color: #c8a078;
}
