/* One persistent loader from HTML startup through authenticated page readiness. */
#boot-fallback{position:fixed;inset:0;z-index:99999;display:grid;place-content:center;justify-items:center;gap:12px;padding:28px;text-align:center;overflow:hidden;color:#12233f;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:radial-gradient(circle at 50% 36%,rgba(84,207,255,.17),transparent 31%),radial-gradient(circle at 8% 4%,#fff,transparent 30%),linear-gradient(180deg,#fbfeff,#f2faff 58%,#f9fcff)}
#boot-fallback:before{content:"";position:absolute;inset:0;opacity:.32;background-image:linear-gradient(rgba(25,143,202,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(25,143,202,.05) 1px,transparent 1px);background-size:48px 48px}
#boot-fallback:after{content:"";position:absolute;right:-210px;top:32%;width:420px;height:420px;border:1px solid rgba(21,175,232,.12);border-radius:50%;box-shadow:0 0 0 55px rgba(21,175,232,.025),0 0 0 110px rgba(21,175,232,.02)}
#boot-fallback>*{position:relative;z-index:1}
#boot-fallback img{width:62px;height:62px;object-fit:contain;animation:lumetraBootPulse 1.2s ease-in-out infinite}
#boot-message{font-size:16px;font-weight:700;line-height:1.6;max-width:340px;margin:0}
#boot-retry{padding:12px 24px;border:0;border-radius:14px;background:#08b8ef;color:white;font:inherit;font-weight:750}
@keyframes lumetraBootPulse{50%{transform:scale(1.08);filter:drop-shadow(0 0 12px #08b8ef88)}}
@media(prefers-reduced-motion:reduce){#boot-fallback img{animation:none}}