:root {
  --fg: #111;
  --bg: #fff;
  --muted: #555;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e8e8;
    --bg: #131316;
    --muted: #888;
  }
}

::selection {
  background: #ffff00;
  color: #000;
}

body {
  font-family: ui-monospace, 'Menlo', 'Courier New', monospace;
  background: var(--bg);
  color: var(--fg);
  padding: 40px;
  margin: 0;
  line-height: 24px;
  font-size: 14px;
}

main {
  max-width: 500px;
  margin-top: 80px;
}

h1 {
  font-size: 14px;
  font-weight: normal;
  margin: 0 0 24px 0;
  letter-spacing: 0.05em;
}

p {
  margin: 0;
  color: var(--muted);
}

@keyframes flash {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.cursor {
  animation: flash 1s infinite;
}