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

.pdfwm-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;
}

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

.stamp-chip {
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  border: 1px solid var(--color-border, #2a2d3a);
  background: var(--color-surface, #1a1d27);
  color: var(--color-snow, #f0f2f8);
  cursor: pointer;
  transition: all 0.15s ease;
}

.stamp-chip:hover {
  border-color: #4f8ef7;
  color: #4f8ef7;
}