* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  height: 100%;
  background: #14161b;
  color: #e9e6e1;
  font: 14px/1.4 ui-sans-serif, system-ui, -apple-system, 'Segoe UI', 'PingFang SC', sans-serif;
  overflow: hidden;
}
canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.controls {
  position: fixed;
  left: 12px;
  bottom: 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgb(20 22 27 / 0.72);
  backdrop-filter: blur(6px);
}
button {
  font: inherit;
  color: inherit;
  background: rgb(255 255 255 / 0.08);
  border: 1px solid rgb(255 255 255 / 0.16);
  border-radius: 999px;
  padding: 4px 12px;
  cursor: pointer;
}
button:hover {
  background: rgb(255 255 255 / 0.16);
}
label {
  display: flex;
  align-items: center;
  gap: 8px;
}
input[type='range'] {
  accent-color: #e8875f;
  width: 120px;
}