.shell {
  display: flex;
  height: 100%;
  overflow: hidden;
  background: var(--md-sys-color-background);
}

.content {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--md-sys-color-surface);
}

.content > * {
  flex: 1;
  min-height: 0;
}