#dropzonesContainer {
  display: flex;
  gap: 16px;
}
#dropzonesContainer .card { flex: 1; margin-bottom: 0; min-width: 0; }
@media (max-width: 640px) {
  #dropzonesContainer { flex-direction: column; }
}

.dropzone {
  border: 2px dashed var(--sf-border);
  border-radius: 4px;
  padding: 30px;
  text-align: center;
  cursor: pointer;
  color: #706E6B;
  background: #FAFAF9;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.dropzone:hover { border-color: var(--sf-blue); }
.dropzone.dragover { border-color: var(--sf-blue); background: #EAF5FE; }

.file-list {
  margin: 16px 0 0; list-style: none; padding: 0 4px 0 0;
  max-height: 250px; overflow-y: auto;
}
.file-list li {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; margin-bottom: 6px;
  background: #fff; border: 1px solid var(--sf-border); border-radius: 4px;
  font-size: 0.88rem; line-height: 1.3;
}
.file-list li button {
  background: none; border: none; color: var(--sf-blue);
  font-weight: 600; padding: 2px 8px;
}
.file-list li button:hover { text-decoration: underline; }

#processingModeSection { margin-top: 16px; }
#processingModeCards { display: flex; gap: 16px; }
@media (max-width: 640px) {
  #processingModeCards { flex-direction: column; }
}
.processing-mode-card {
  flex: 1; text-align: left; cursor: pointer;
  background: #fff; border: 2px solid var(--sf-border); border-radius: 6px;
  padding: 16px 18px; font-family: inherit;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.processing-mode-card:hover { border-color: var(--sf-blue); }
.processing-mode-card.selected { border-color: var(--sf-blue); background: #EAF5FE; }
.processing-mode-card h3 {
  margin: 0 0 10px; font-size: 0.95rem; color: var(--sf-navy);
}
.processing-mode-card ul { margin: 0; padding-left: 18px; }
.processing-mode-card li { font-size: 0.85rem; color: var(--sf-text); margin-bottom: 4px; line-height: 1.4; }
.processing-mode-card li:last-child { margin-bottom: 0; }

#actionButtons {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 18px;
}