:root { color-scheme: dark; }
html, body { margin: 0; height: 100%; background: #0a0c14; }
#wrap { position: relative; width: 100%; height: 100vh; min-height: 320px; }
#c { display: block; width: 100%; height: 100%; }
#tag {
  position: absolute; left: 12px; top: 10px; z-index: 2;
  font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: #7f86a8; pointer-events: none; text-shadow: 0 1px 2px #000;
}
#boot {
  position: absolute; inset: 0; display: grid; place-items: center;
  color: #9aa0c4; font: 14px/1.5 system-ui, sans-serif; background: #0a0c14;
  transition: opacity .4s; text-align: center; padding: 1rem;
}
#boot small { color: #5b6180; }
.hidden { opacity: 0; pointer-events: none; }