/* Menu workspace shell and side-zone geometry. */

  #workspace_root.menu-workspace {
    position: fixed;
    inset: 0;
    display: block;
    width: auto;
    height: auto;
    margin: 0;
    padding: 0;
    overflow: hidden;
    border-radius: 0;
    background: var(--vk-app-surface-center);
    isolation: isolate;
  }

  #workspace_root.menu-workspace::before {
    content: "";
    position: fixed;
    inset: -4px;
    z-index: -1;
    pointer-events: none;
    background: var(--vk-app-surface-center);
  }

  #workspace_root.menu-workspace #left_zone,
  #workspace_root.menu-workspace #right_zone,
  #workspace_root.menu-workspace #center_zone,
  #workspace_root.menu-workspace .zone-side,
  #workspace_root.menu-workspace .zone-side-inner,
  .menu-left-shell,
  .menu-right-shell,
  .menu-side-expanded,
  .menu-side-collapsed {
    border-radius: 0;
  }

  #workspace_root.menu-workspace #left_zone,
  #workspace_root.menu-workspace #right_zone {
    position: absolute;
    top: 0;
    bottom: 0;
    z-index: 3;
    overflow: visible;
    background: var(--vk-app-surface-panel);
    border: 0;
    transform: translateX(0);
    transition: transform 260ms cubic-bezier(0.2, 0, 0.2, 1);
    will-change: transform;
  }

  #workspace_root.menu-workspace #left_zone {
    left: 0;
    width: var(--left-zone-width);
    min-width: var(--left-zone-width);
    max-width: var(--left-zone-width);
    border-right: 0;
  }

  #workspace_root.menu-workspace #right_zone {
    right: 0;
    width: var(--right-zone-width);
    min-width: var(--right-zone-width);
    max-width: var(--right-zone-width);
    border-left: 0;
  }

  #workspace_root.menu-workspace #center_zone {
    position: absolute;
    inset: 0;
    z-index: 1;
    min-width: 0;
    border: 0;
    padding: 0;
  }