/* === Pre-WASM Loading Screen === */
.loading-screen {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--color-surface-0);
  z-index: 9999;
  transition: opacity 0.3s ease-out;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  margin-top: 16px;
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

html.loaded .loading-screen {
  opacity: 0;
  pointer-events: none;
}

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