/**
 * Orbe de carga del visor BIM — misma animación que index.php (.hero-loader):
 * anillos azul / ámbar en rotación contraria, núcleo radial pulsante, halo exterior.
 */

.viewer-loader__portal-visual {
  position: relative;
  width: 62px;
  height: 62px;
  flex-shrink: 0;
  margin: 14px auto 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: transparent;
  isolation: isolate;
  filter: drop-shadow(0 0 24px rgba(59, 130, 246, 0.24));
}

.viewer-loader__portal-visual::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.18), transparent 70%);
  animation: rumViewerLoaderHalo 2.1s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

.viewer-loader__portal-rings {
  position: absolute;
  inset: 2px;
  pointer-events: none;
  z-index: 1;
}

.viewer-loader__portal-ring {
  position: absolute;
  border-radius: 50%;
  border-style: solid;
  border-width: 1.5px;
  opacity: 0.95;
  box-shadow: none;
}

.viewer-loader__portal-ring--outer {
  inset: 0;
  border-color: rgba(59, 130, 246, 0.42);
  animation: rumViewerLoaderOrbit 2.6s linear infinite;
}

.viewer-loader__portal-ring--middle {
  inset: 9px;
  border-color: rgba(246, 168, 104, 0.78);
  animation: rumViewerLoaderOrbitReverse 1.8s linear infinite;
}

.viewer-loader__portal-ring--inner {
  display: none;
}

.viewer-loader__portal-core {
  position: absolute;
  inset: 24%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(248, 250, 252, 1) 0%,
    rgba(147, 197, 253, 0.98) 38%,
    rgba(59, 130, 246, 0.82) 72%,
    rgba(59, 130, 246, 0.16) 100%
  );
  box-shadow:
    0 0 10px rgba(125, 211, 252, 0.82),
    0 0 24px rgba(59, 130, 246, 0.4);
  animation: rumViewerLoaderCorePulse 1.7s ease-in-out infinite;
  pointer-events: none;
  z-index: 2;
}

@keyframes rumViewerLoaderCorePulse {
  0%,
  100% {
    transform: scale(0.88);
    box-shadow:
      0 0 10px rgba(125, 211, 252, 0.74),
      0 0 20px rgba(59, 130, 246, 0.34);
  }
  50% {
    transform: scale(1.04);
    box-shadow:
      0 0 16px rgba(191, 219, 254, 0.96),
      0 0 30px rgba(59, 130, 246, 0.46);
  }
}

@keyframes rumViewerLoaderHalo {
  0%,
  100% {
    opacity: 0.34;
    transform: scale(0.9);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.06);
  }
}

@keyframes rumViewerLoaderOrbit {
  to {
    transform: rotate(360deg);
  }
}

@keyframes rumViewerLoaderOrbitReverse {
  to {
    transform: rotate(-360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .viewer-loader__portal-visual {
    filter: drop-shadow(0 0 14px rgba(59, 130, 246, 0.28));
  }

  .viewer-loader__portal-visual::before,
  .viewer-loader__portal-ring--outer,
  .viewer-loader__portal-ring--middle,
  .viewer-loader__portal-core {
    animation: none !important;
  }

  .viewer-loader__portal-core {
    transform: scale(1);
  }
}