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

.pdfsign-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;
}

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

.sig-pad-box {
  background: #ffffff;
  border-radius: 0.5rem;
  border: 2px solid var(--color-border, #2a2d3a);
  touch-action: none;
  cursor: crosshair;
}

.sig-placement-stage {
  min-height: 400px;
  background: #090a0f;
  border: 1px solid var(--color-border, #2a2d3a);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: auto;
  padding: 1.5rem;
}

.pdf-page-sim {
  width: 360px;
  height: 500px;
  background: #ffffff;
  color: #111827;
  border-radius: 4px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
  user-select: none;
}