uni-content {
  display: flex;
  flex: 1 0 auto;
  height: 100%;
}

uni-main {
  flex: 1;
  width: 100%;
}

uni-top-window + uni-content {
  height: calc(100vh - var(--top-window-height));
}

uni-left-window {
  position: relative;
  width: var(--window-left);
  order: -1;
  overflow-x: hidden;
}

uni-right-window {
  position: relative;
  width: var(--window-right);
  overflow-x: hidden;
}

uni-left-window[data-show],
uni-right-window[data-show] {
  position: absolute;
}

uni-right-window[data-show] {
  right: 0;
}

uni-content .uni-mask,
.uni-left-window,
.uni-right-window {
  z-index: 997;
}

.uni-mask + .uni-left-window,
.uni-mask + .uni-right-window {
  position: fixed;
}

.uni-top-window {
  position: fixed;
  left: var(--window-margin);
  right: var(--window-margin);
  top: 0;
  z-index: 998;
  overflow: hidden;
}