penpot/frontend/resources/styles/main/layouts/handoff.scss

$width-left-toolbar: 48px;
$width-settings-bar: 256px;

.handoff-layout {
  height: 100vh;
  display: grid;
  grid-template-rows: 48px auto;
  grid-template-columns: 1fr;
  user-select: none;

  .viewer-header {
    grid-column: 1 / span 1;
    grid-row: 1 / span 1;
  }

  .viewer-content {
    grid-column: 1 / span 1;
    grid-row: 2 / span 1;
  }
}

.fullscreen.handoff-layout:not(.force-visible) {
  .viewer-header {
    width: 100%;
    position: fixed;
    top: -48px;
    left: 0;
    transition: top 400ms ease 300ms;
    z-index: 25;

    &::after {
      content: " ";
      position: absolute;
      width: 100%;
      height: 1rem;
      left: 0;
      top: 48px;
    }
  }

  & .viewer-header:hover {
    top: 0;
    transition: top 200ms;
  }

  .viewer-content {
    grid-row: 1 / span 2;
  }
}

.handoff-layout {
  .viewer-section {
    flex-wrap: nowrap;
    &.fullscreen {
      .settings-bar,
      .settings-bar {
        padding-top: 48px;
      }
    }
  }

  .settings-bar {
    transition: width 0.2s;
    width: $width-settings-bar;
    &.expanded {
      width: $width-settings-bar * 3;
    }

    &.settings-bar-right,
    &.settings-bar-left {
      height: 100%;
      position: relative;
      left: unset;
      right: unset;

      .settings-bar-inside {
        padding-top: 0.5rem;
        overflow-y: auto;
      }
    }
  }

  .handoff-svg-wrapper {
    flex: 1;
    overflow: hidden;
    flex-direction: column;
    justify-content: flex-start;
  }

  .handoff-svg-container {
    display: grid;
    width: 100%;
    height: 100%;
    overflow: auto;
    align-items: center;
    justify-content: safe center;
    margin: 0 auto;
  }
}