.glb-embed {
  margin: 1.8rem 0;
  width: min(100%, var(--glb-width, 100%));
  margin-inline: auto;
}

.glb-embed__viewer {
  display: block;
  width: 100%;
  height: var(--glb-height, 520px);
  min-height: 280px;
  overflow: hidden;
  border: 1px solid rgba(31, 45, 61, 0.1);
  border-radius: 18px;
  background:
    radial-gradient(circle at top left, rgba(73, 177, 245, 0.18), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(245, 247, 250, 0.94));
  box-shadow: 0 18px 40px rgba(31, 45, 61, 0.08);
}

.glb-embed__fallback {
  display: none;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 1.5rem;
  text-align: center;
  color: var(--font-color);
}

.glb-embed__viewer:not(:defined) .glb-embed__fallback {
  display: grid;
}

.glb-embed__caption {
  margin-top: 0.75rem;
  text-align: center;
  color: var(--font-color);
  font-size: 0.95rem;
}

[data-theme='dark'] .glb-embed__viewer {
  border-color: rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(circle at top left, rgba(73, 177, 245, 0.18), transparent 30%),
    linear-gradient(135deg, rgba(18, 18, 18, 0.95), rgba(28, 33, 40, 0.92));
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

@media (max-width: 768px) {
  .glb-embed__viewer {
    height: min(var(--glb-height, 520px), 62vh);
    min-height: 220px;
    border-radius: 14px;
  }
}