/* Sidebar: FCS file drop zone, channel-select controls, and status text. */

.drop-zone {
  cursor: pointer;
  display: grid;
  place-items: center;
  min-height: 168px;
  border: 1px dashed var(--dropzone-border);
  border-radius: 8px;
  padding: 18px;
  text-align: center;
  background: var(--panel);
  transition:
    border-color 120ms ease,
    background 120ms ease;
}

.drop-zone.dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.drop-zone strong,
.drop-zone span {
  display: block;
}

.drop-zone span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.controls {
  display: grid;
  gap: 12px;
}

.status {
  min-height: 42px;
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.status.error {
  color: var(--danger);
}