[hidden] {
  display: none !important;
}

/* Loading overlay */
.loading {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 100;
  backdrop-filter: blur(2px);
}

.dark .loading {
  background: rgba(17, 24, 39, 0.85);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #e5e7eb;
  border-top-color: #F48B41;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.dark .spinner {
  border-color: #374151;
  border-top-color: #F48B41;
}

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

/* Drop Zone dynamic classes */
.drag-over {
  border-color: #00A651 !important;
  background-color: rgba(0, 166, 81, 0.1) !important;
}