/* Sirius Detector — overlay di attesa globale */
.sirius-loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 12000;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  pointer-events: all;
  font-family: Inter, system-ui, -apple-system, sans-serif;
}

.sirius-loading-overlay.is-active,
#loading-overlay.sirius-loading-overlay[style*="flex"] {
  display: flex !important;
}

.sirius-loading-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(30, 58, 138, 0.45) 0%, transparent 55%),
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.2) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 35%),
    linear-gradient(160deg, #0f172a 0%, #1e3a8a 42%, #172554 100%);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  animation: siriusBackdropIn 0.45s ease-out;
}

.sirius-loading-stars {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.sirius-loading-stars span {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 0 8px rgba(191, 219, 254, 0.9);
  animation: siriusTwinkle 2.4s ease-in-out infinite;
}

.sirius-loading-stars span:nth-child(1) { top: 12%; left: 18%; animation-delay: 0s; }
.sirius-loading-stars span:nth-child(2) { top: 22%; left: 78%; animation-delay: 0.4s; }
.sirius-loading-stars span:nth-child(3) { top: 68%; left: 12%; animation-delay: 0.8s; }
.sirius-loading-stars span:nth-child(4) { top: 82%; left: 65%; animation-delay: 1.1s; }
.sirius-loading-stars span:nth-child(5) { top: 45%; left: 92%; animation-delay: 0.2s; }
.sirius-loading-stars span:nth-child(6) { top: 8%; left: 52%; animation-delay: 1.5s; }

.sirius-loading-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  text-align: center;
  padding: 2.25rem 1.75rem 2rem;
  border-radius: 1.25rem;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.96) 100%);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow:
    0 28px 60px -16px rgba(15, 23, 42, 0.55),
    0 0 0 1px rgba(30, 58, 138, 0.08) inset,
    0 0 80px rgba(37, 99, 235, 0.12);
  animation: siriusCardPop 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.sirius-loading-star-wrap {
  position: relative;
  width: 96px;
  height: 96px;
  margin: 0 auto 1.25rem;
}

.sirius-star-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(37, 99, 235, 0.35);
  animation: siriusRingPulse 2.2s ease-out infinite;
}

.sirius-star-ring--1 {
  inset: 0;
  animation-delay: 0s;
}

.sirius-star-ring--2 {
  inset: 14px;
  border-color: rgba(59, 130, 246, 0.45);
  animation-delay: 0.35s;
}

.sirius-star-ring--3 {
  inset: 28px;
  border-color: rgba(147, 197, 253, 0.55);
  animation-delay: 0.7s;
}

.sirius-star-orbit {
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  animation: siriusOrbitSpin 3.5s linear infinite;
}

.sirius-star-orbit::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 8px;
  height: 8px;
  margin-left: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, #60a5fa, #1e40af);
  box-shadow: 0 0 12px rgba(96, 165, 250, 0.9);
}

.sirius-star-core {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: siriusStarGlow 1.8s ease-in-out infinite;
}

.sirius-star-core i {
  font-size: 2.35rem;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 45%, #93c5fd 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 12px rgba(37, 99, 235, 0.55));
}

.sirius-loading-brand {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #1e40af;
  margin: 0 0 0.5rem;
  animation: siriusBrandShimmer 2.5s ease-in-out infinite;
}

.sirius-loading-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #0f172a;
  margin: 0 0 0.65rem;
  line-height: 1.3;
}

.sirius-loading-sub {
  font-size: 0.9rem;
  line-height: 1.55;
  color: #475569;
  margin: 0 0 1.35rem;
}

.sirius-loading-timer {
  display: inline-block;
  font-size: 1.05rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  color: #dbeafe;
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
  box-shadow: 0 4px 14px rgba(30, 58, 138, 0.35);
  margin-bottom: 1rem;
}

.sirius-loading-dots {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
}

.sirius-loading-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #2563eb;
  animation: siriusDotBounce 1.2s ease-in-out infinite;
}

.sirius-loading-dots span:nth-child(2) { animation-delay: 0.15s; }
.sirius-loading-dots span:nth-child(3) { animation-delay: 0.3s; }

@keyframes siriusBackdropIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes siriusCardPop {
  from { opacity: 0; transform: translateY(18px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes siriusRingPulse {
  0% { transform: scale(0.92); opacity: 0.9; }
  70% { transform: scale(1.08); opacity: 0.25; }
  100% { transform: scale(1.12); opacity: 0; }
}

@keyframes siriusOrbitSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes siriusStarGlow {
  0%, 100% { transform: scale(1); filter: brightness(1); }
  50% { transform: scale(1.06); filter: brightness(1.15); }
}

@keyframes siriusBrandShimmer {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; }
}

@keyframes siriusTwinkle {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}

@keyframes siriusDotBounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.45; }
  40% { transform: translateY(-5px); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .sirius-loading-backdrop,
  .sirius-loading-card,
  .sirius-star-ring,
  .sirius-star-orbit,
  .sirius-star-core,
  .sirius-loading-brand,
  .sirius-loading-stars span,
  .sirius-loading-dots span {
    animation: none !important;
  }
}