:root {
  color-scheme: dark;
  --bg: #03040a;
  --cyan: #00f2ff;
  --magenta: #ff1493;
  --violet: #b238ff;
  --white: #ddebff;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  font-family: "Segoe UI", "Inter", system-ui, sans-serif;
}

canvas {
  display: block;
  width: 100vw;
  height: 100vh;
  touch-action: none;
  user-select: none;
  background: radial-gradient(circle at 70% 10%, rgba(178, 56, 255, 0.09), transparent 30%),
    radial-gradient(circle at 16% 85%, rgba(0, 242, 255, 0.08), transparent 28%),
    #03040a;
}