/* 🔧 Override Dash white flash */
._dash-loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #000000 !important; /* match your dark theme */
  opacity: 0.85;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #00bfff;
  font-size: 16px;
  font-weight: 500;
  z-index: 9999;
}

/* Optional: dark spinner fix */
.dash-spinner-container {
  background-color: #000000 !important;
}