body {
  background: linear-gradient(180deg, #f8f9fa 0%, #eef2f7 100%);
}

.dropzone {
  border: 2px dashed #adb5bd;
  border-radius: 0.5rem;
  padding: 1rem;
  text-align: center;
  background-color: #fff;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.dropzone.dragover {
  border-color: #0d6efd;
  background-color: #e9f3ff;
}

.progress-log {
  min-height: 220px;
  max-height: 320px;
  resize: vertical;
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.85rem;
  white-space: pre;
}