/* ---------------------------------------------------------------- weak-mode button */

#weak-btn { width: 100%; margin-bottom: 0.7rem; }
#bookmarked-btn { width: 100%; margin-bottom: 0.7rem; }
#open-only-btn { width: 100%; margin-bottom: 2rem; }
#repeat-drill-btn { margin-right: 0.7rem; }

/* ---------------------------------------------------------------- backup row */

.backup-row {
  display: flex;
  gap: 0.7rem;
  margin-top: 2rem;
}
.backup-row button, .backup-row .file-input-label { flex: 1; text-align: center; }
.file-input-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}