:root {
  --spectra-loading-backdrop: linear-gradient(135deg, #030616 0%, #08112b 45%, #0c1538 100%);
  --spectra-loading-starfield: radial-gradient(circle at 20% 30%, rgba(120, 190, 255, 0.18), transparent 60%),
    radial-gradient(circle at 75% 20%, rgba(255, 155, 225, 0.1), transparent 65%),
    radial-gradient(circle at 50% 80%, rgba(90, 180, 255, 0.12), transparent 70%);
  --spectra-loading-text: #f4f6ff;
  --spectra-loading-subtle: rgba(244, 246, 255, 0.72);
  --spectra-loading-z: 9999;
}

.spectra-loading-root {
  position: relative;
  z-index: var(--spectra-loading-z);
}

.spectra-loading-root:not(body) {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.spectra-loading {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--spectra-loading-backdrop);
  color: var(--spectra-loading-text);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 220ms ease, visibility 220ms ease;
  overflow: hidden;
}

.spectra-loading.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.spectra-loading__backdrop {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: var(--spectra-loading-backdrop);
}

.spectra-loading__backdrop::before {
  content: '';
  position: absolute;
  inset: -20%;
  background: var(--spectra-loading-starfield);
  filter: blur(18px);
  opacity: 0.7;
}

.spectra-loading__particles {
  position: absolute;
  inset: -10%;
  overflow: hidden;
  pointer-events: none;
}

.spectra-loading__particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(215, 235, 255, 0.95) 0%, rgba(215, 235, 255, 0) 70%);
  box-shadow: 0 0 10px rgba(158, 214, 255, 0.8);
  transform: translate3d(var(--start-x), var(--start-y), 0) rotate(135deg) scale(0.35, 0.35);
  animation: spectra-particle var(--travel-duration) linear infinite;
  animation-delay: var(--travel-delay);
  opacity: 0;
}

.spectra-loading__particle::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(210, 235, 255, 0.95) 0%, rgba(126, 196, 255, 0.45) 35%, rgba(55, 120, 255, 0) 100%);
  opacity: 0.85;
}

.spectra-loading__content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
  z-index: 1;
}

.spectra-loading__logo {
  width: clamp(72px, 18vw, 120px);
  height: clamp(72px, 18vw, 120px);
  object-fit: contain;
  filter: drop-shadow(0 12px 24px rgba(12, 34, 74, 0.45));
}

.spectra-loading__load-image {
  width: clamp(160px, 32vw, 240px);
  height: clamp(160px, 32vw, 240px);
  object-fit: contain;
  filter: drop-shadow(0 18px 38px rgba(90, 160, 255, 0.45));
  animation: spectra-load-float 3.4s ease-in-out infinite;
}

.spectra-loading__title {
  font-size: clamp(1.2rem, 0.9rem + 1vw, 1.6rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--spectra-loading-text);
}

.spectra-loading__phrase {
  font-size: clamp(0.95rem, 0.8rem + 0.7vw, 1.25rem);
  max-width: 24ch;
  color: var(--spectra-loading-subtle);
  line-height: 1.45;
}

.spectra-loading__sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html.spectra-loading--visible,
body.spectra-loading--visible {
  overflow: hidden;
}

.spectra-loading--reduced .spectra-loading__particle,
.spectra-loading--reduced .spectra-loading__load-image {
  animation: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .spectra-loading__particle,
  .spectra-loading__load-image {
    animation: none !important;
  }
}

@keyframes spectra-particle {
  0% {
    opacity: 0;
    transform: translate3d(var(--start-x), var(--start-y), 0) rotate(135deg) scale(0.35, 0.35);
  }
  14% {
    opacity: 1;
    transform: translate3d(calc(var(--start-x) - 6vw), calc(var(--start-y) + 6vh), 0) rotate(135deg) scale(0.7, 0.5);
  }
  55% {
    opacity: 1;
    transform: translate3d(calc(var(--start-x) - 36vw), calc(var(--start-y) + 36vh), 0) rotate(135deg) scale(1.1, 1.6);
  }
  100% {
    opacity: 0;
    transform: translate3d(calc(var(--start-x) - 82vw), calc(var(--start-y) + 82vh), 0) rotate(135deg) scale(var(--line-scale), var(--line-thickness));
  }
}

@keyframes spectra-load-float {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -10px, 0);
  }
}