html { background: #f4f7fb; color: #17365a; color-scheme: light dark; }
body { margin: 0; }
.boot { min-height: 100dvh; display: grid; place-content: center; gap: 12px; text-align: center; font: 14px system-ui, sans-serif; }
.boot strong { font-size: 24px; }
@media (prefers-color-scheme: dark) { html { background: #101a2b; color: #edf3fc; } }