html, body { margin: 0; background: #f5f6f2; }
#app-startup { position: fixed; inset: 0; z-index: 2147483647; display: grid; place-items: center; padding: 24px; background: #f5f6f2; font-family: system-ui, sans-serif; color: #153d35; }
#app-startup section { width: 100%; max-width: 400px; text-align: center; }
#app-startup .app-startup-icon { display: block; width: 80px; height: 80px; margin: 0 auto; animation: startup-pulse 1.6s ease-in-out infinite; }
#app-startup:not([data-failed="true"]) #app-startup-status { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
#app-startup[data-failed="true"] .app-startup-icon { animation: none; }
#app-startup p { line-height: 1.6; }
#app-startup button { padding: 14px 18px; border: 0; border-radius: 10px; background: #126d59; color: white; font: inherit; cursor: pointer; }
@keyframes startup-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }
@media (prefers-reduced-motion: reduce) { #app-startup .app-startup-icon { animation: none; } }