.container {
  flex: 1 1 auto;
  display: flex;
  align-items: stretch;
  gap: 0;
  position: relative;
  min-height: 0;
  overflow: hidden;
}

.loader-panel,
.viewer-panel,
.control-panel {
  padding-left: 22px;
  padding-right: 22px;
}

.sidebar-content {
  padding: 4px;
}

.viewer-panel {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0;
  position: relative;
  overflow: hidden;
}