.flipper-tool {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.flipper-dropzone {
  border: 2px dashed var(--color-border, #2a2d3a);
  border-radius: 1rem;
  padding: 3rem 1.5rem;
  text-align: center;
  background: rgba(15, 17, 23, 0.4);
  cursor: pointer;
  transition: all 0.2s ease;
}

.flipper-dropzone:hover, .flipper-dropzone.dragover {
  border-color: var(--color-accent, #4f8ef7);
  background: rgba(79, 142, 247, 0.05);
}

.flipper-preview-stage {
  min-height: 320px;
  background: #090a0f;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 16px 16px;
  border: 1px solid var(--color-border, #2a2d3a);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 1.5rem;
}

.flipper-preview-stage canvas {
  max-width: 100%;
  max-height: 480px;
  object-fit: contain;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  border-radius: 4px;
}