:root {
  --bg: #0a0a0a;
  --fg: #3f6;
  --fg-dim: #1a7a33;
  --accent: #ffb000;
  --glow: rgb(51 255 102 / 55%);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 2rem 1rem 4rem;
  font-family: "Courier New", Courier, ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  line-height: 1.6;
  background: var(--bg);
  color: var(--fg);
  position: relative;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgb(0 0 0 / 0%) 0,
    rgb(0 0 0 / 0%) 2px,
    rgb(0 0 0 / 25%) 3px
  );
  z-index: 10;
}

main {
  max-width: 48rem;
  margin: 0 auto;
}

a {
  color: var(--accent);
}

nav a {
  margin-right: 1.5rem;
  text-decoration: none;
  border-bottom: 1px dashed var(--fg-dim);
}

a:visited {
  color: var(--fg-dim);
}

nav a:hover,
nav a:focus {
  color: var(--fg);
  border-bottom-color: var(--fg);
}

h1 {
  color: var(--fg);
  text-shadow: 0 0 6px var(--glow);
  animation: flicker 4s infinite;
}

@keyframes flicker {
  0%,
  96%,
  100% {
    opacity: 1;
  }

  97% {
    opacity: 0.85;
  }

  98% {
    opacity: 1;
  }
}

.cursor::after {
  content: "\2588";
  animation: blink 1s steps(1) infinite;
}

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

.ticker {
  overflow: hidden;
  white-space: nowrap;
  border-top: 2px solid var(--fg-dim);
  border-bottom: 2px solid var(--fg-dim);
  padding: 0.5rem 0;
  margin: 1.5rem 0;
}

.ticker span {
  display: inline-block;
  padding-left: 100%;
  animation: marquee 18s linear infinite;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-100%);
  }
}

.terminal-panel {
  border: 4px double var(--fg);
  box-shadow: 0 0 6px var(--glow), inset 0 0 6px var(--glow);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}

.terminal-panel h2 {
  margin-top: 0;
  color: var(--accent);
  font-size: 1rem;
}

.status {
  color: var(--accent);
}

.network-map {
  display: block;
  width: 100%;
  height: auto;
  margin: 0.5rem 0;
}

.network-map .map-spine,
.network-map .map-link {
  fill: none;
  stroke: var(--fg-dim);
  stroke-width: 2;
}

.network-map .map-link {
  stroke-dasharray: 4 4;
}

.network-map .map-node-rect {
  fill: var(--bg);
  stroke: var(--fg);
  stroke-width: 2;
  filter: drop-shadow(0 0 4px var(--glow));
}

.network-map .map-marker {
  fill: var(--accent);
}

.network-map .map-node-label,
.network-map .map-dest-label {
  font-family: "Courier New", Courier, ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.5px;
}

.network-map .map-node-label {
  fill: var(--fg);
  font-size: 13px;
  text-anchor: middle;
  dominant-baseline: middle;
}

.network-map .map-dest-label {
  fill: var(--accent);
  font-size: 12px;
  dominant-baseline: middle;
}

.log-line {
  color: var(--fg-dim);
  font-size: 0.85rem;
}

pre.ascii {
  overflow-x: auto;
  white-space: pre;
  font-size: clamp(0.55rem, 1.6vw, 0.95rem);
  color: var(--fg-dim);
  margin: 0 0 1rem;
}

footer {
  margin-top: 3rem;
  color: var(--fg-dim);
  font-size: 0.85rem;
}

@media (prefers-reduced-motion: reduce) {
  .cursor::after {
    animation: none;
    opacity: 1;
  }

  h1 {
    animation: none;
  }

  .ticker span {
    animation: none;
    padding-left: 0;
    transform: none;
  }
}