html,
body {
  margin: 0;
  width: 100%;
  min-height: 100vh;
}

body {
  display: grid;
  place-items: center;
  background: radial-gradient(circle at center, #061807 0%, #020702 60%, #000000 100%);
  color: #77ff77;
  padding: 18px;
  overflow: hidden;
  position: relative;
  font-smooth: never;
  -webkit-font-smoothing: none;
  animation: crt-flicker 0.11s infinite;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(140, 255, 140, 0.08) 0,
      rgba(140, 255, 140, 0.08) 1px,
      rgba(0, 0, 0, 0) 2px,
      rgba(0, 0, 0, 0) 4px
    );
  opacity: 0.5;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at center, rgba(0, 0, 0, 0) 45%, rgba(0, 0, 0, 0.55) 100%);
  mix-blend-mode: multiply;
}

.devnull-console-line {
  margin: 0;
  white-space: pre;
  font-family: "Courier New", "Lucida Console", Monaco, monospace;
  font-size: clamp(14px, 2.4vw, 22px);
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: #73ff73;
  text-shadow:
    0 0 2px rgba(100, 255, 100, 0.95),
    0 0 8px rgba(60, 255, 60, 0.45),
    0 0 16px rgba(0, 255, 0, 0.2);
  filter: contrast(1.1) saturate(1.05);
}

@keyframes crt-flicker {
  0% { opacity: 0.985; }
  50% { opacity: 1; }
  100% { opacity: 0.99; }
}