* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #0a0a12;
  overflow: hidden;
  font-family: system-ui, -apple-system, sans-serif;
}

#canvas {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
}

#info {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(10, 10, 18, 0.95);
  padding: 32px 40px;
  border-radius: 8px;
  max-width: 480px;
  color: #e0e0e0;
  z-index: 100;
  display: none;
  flex-direction: column;
  gap: 12px;
  border: 1px solid rgba(79, 195, 247, 0.3);
}

#info h1 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 4px;
}

#info .subtitle {
  font-size: 13px;
  color: #4FC3F7;
  margin-bottom: 8px;
}

#info .description {
  font-size: 14px;
  line-height: 1.6;
  color: #b0b0b0;
}

#info .source {
  font-size: 12px;
  margin-top: 8px;
}

#info .source a {
  color: #4FC3F7;
  text-decoration: none;
}

#info .source a:hover {
  text-decoration: underline;
}

#info .controls-hint {
  font-size: 11px;
  color: #808080;
  margin-top: 8px;
}

#info .credit {
  font-size: 11px;
  color: #606060;
  margin-top: 12px;
}

#info .credit a {
  color: #808080;
  text-decoration: none;
}

#controls {
  position: fixed;
  bottom: 15px;
  right: 15px;
  display: flex;
  gap: 8px;
  z-index: 50;
}

#controls button {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(10, 10, 18, 0.8);
  color: #e0e0e0;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

#controls button:hover {
  background: rgba(79, 195, 247, 0.2);
}