:root {
  --bg: #050805;
  --fg: #4dff7a;
  --dim: #39b85c;
  --glow: 0 0 0.35em rgb(77 255 122 / 0.5);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--fg);
  font: 1.125rem/1.6 ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  text-shadow: var(--glow);
}

/* Faint scanlines over everything; purely decorative. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgb(0 0 0 / 0.18) 0 1px, transparent 1px 3px);
}

.screen {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem clamp(1rem, 6vw, 4rem);
}

p {
  margin: 0;
}

.dim {
  color: var(--dim);
}

a {
  color: inherit;
}

.cursor {
  display: inline-block;
  width: 0.6em;
  height: 1.1em;
  margin-left: 0.6em;
  vertical-align: text-bottom;
  background: var(--fg);
  box-shadow: var(--glow);
  animation: blink 1.06s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cursor {
    animation: none;
  }
}