html, body { margin: 0; height: 100%; background: #161d27; }
@media (prefers-color-scheme: light) { html, body { background: #f4f2ee; } }
#go { position: fixed; inset: 0; width: 100%; height: 100%; border: 0; background: transparent; cursor: default; }
#go:focus-visible { outline: 2px solid #8fb3d9; outline-offset: -8px; }