html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  color: #7cff7c;
  font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace;
  pointer-events: none;
}

.crt {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, #0a140a 0%, #000 72%);
}

.scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.38) 3px
  );
  opacity: 0.5;
}

.nosignal {
  position: absolute;
  top: 18px;
  right: 24px;
  margin: 0;
  letter-spacing: 0.2em;
  font-size: 12px;
  opacity: 0.55;
  pointer-events: none;
}

#target {
  position: fixed;
  box-sizing: border-box;
  width: 160px;
  height: 80px;
  margin: 0;
  padding: 0;
  border: 2px solid #7cff7c;
  border-radius: 8px;
  background: #031803;
  color: #7cff7c;
  font: 700 28px/76px ui-monospace, 'Cascadia Mono', Consolas, monospace;
  letter-spacing: 0.22em;
  text-align: center;
  pointer-events: none;
  appearance: none;
  -webkit-appearance: none;
  box-shadow: 0 0 18px rgba(124, 255, 124, 0.45);
}