.app-logo-button {
  display: block;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  margin: -6px -4px -6px 0;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
}
.app-logo-button .app-logo { margin: 0; }
.app-logo-button:hover { background: #ffffff70; }
.app-logo-button:focus-visible { outline: 2px solid #1687d3; outline-offset: 2px; }

body.is-interface-hidden .desktop-shell,
body.is-interface-hidden .workspace { grid-template-rows: minmax(0, 1fr); }
body.is-interface-hidden .app-chrome,
body.is-interface-hidden .left-rail,
body.is-interface-hidden #editorToolbar,
body.is-interface-hidden #sceneToolbar,
body.is-interface-hidden #sceneQuarterTurnControls { display: none !important; }
body.is-interface-hidden .workbench.has-dock-panels {
  grid-template-columns: 0 var(--dock-left-width, 280px) var(--dock-left-divider, 6px) minmax(0, 1fr) var(--dock-right-divider, 6px) var(--dock-right-width, 280px);
}
body.is-interface-hidden .app-logo-button {
  position: fixed;
  left: 8px;
  bottom: 8px;
  z-index: 35;
  width: 40px;
  height: 40px;
  margin: 0;
  padding: 3px;
  background: #eef2f6ed;
  box-shadow: 0 1px 5px #0006;
}
body.is-interface-hidden .app-logo-button:hover { background: #fff; }