.pcb-order-source-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.pcb-order-source-tab {
  border: 1px solid #dee2e6;
  background: #fff;
  color: #212529;
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}

.pcb-order-source-tab.active,
.pcb-order-source-tab:hover {
  border-color: #3572ef;
  background: #eef3ff;
  color: #3572ef;
}

.pcb-project-selector {
  margin-bottom: 16px;
}

.pcb-project-selector .pcb-project-select {
  width: 100%;
  max-width: 420px;
  margin-top: 8px;
  padding: 8px 10px;
  border: 1px solid #dee2e6;
  border-radius: 8px;
}

.pcb-project-files-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pcb-project-file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  background: #f8fafc;
}

.pcb-project-file-item.is-invalid {
  border-color: #dc3545;
  background: #fff5f5;
}

.pcb-project-file-item img {
  border-radius: 6px;
  object-fit: contain;
  background: #fff;
}

.pcb-project-file-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pcb-project-file-meta strong {
  font-size: 0.95rem;
}

.pcb-project-file-meta span {
  color: #6c757d;
  font-size: 0.85rem;
  direction: ltr;
}

.pcb-project-file-warning {
  color: #dc3545;
}

.pcb-project-loading {
  color: #6c757d;
  margin: 0;
  text-align: center;
  padding: 12px 0;
}

.pcb-project-loading i {
  animation-name: spin;
  animation-duration: 1500ms;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
  font-size: 1.5em;
  display: inline-block;
}

.pcb-project-empty {