.logo-placeholder {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid #6c757d;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: #6c757d;
}

.sidebar {
  min-height: calc(100vh - 120px);
}