.site-shell {
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  padding: var(--frame-top) var(--frame-right) var(--frame-bottom) var(--frame-left);
  display: grid;
  grid-template-rows: auto 1fr auto;
  border-right: 1px solid var(--color-text);
  z-index: 20;
}

.sidebar__intro {
  align-self: start;
  max-width: 29ch;
  white-space: pre-line;
}

.sidebar__nav {
  align-self: stretch;
  display: flex;
  align-items: center;
}

.sidebar__nav-inner {
  width: 100%;
}

.project-list,
.secondary-list,
.sidebar__meta {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.secondary-list {
  margin-top: 42px;
}

.sidebar__meta {
  align-self: end;
}

.stage {
  position: relative;
  min-height: 100vh;
  margin-left: var(--sidebar-width);
  padding: var(--frame-top) var(--frame-right) var(--frame-bottom) var(--content-gutter);
  outline: none;
}

.stage__fixed-text {
  position: fixed;
  top: var(--frame-top);
  right: var(--frame-right);
  left: calc(var(--sidebar-width) + var(--content-gutter));
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: var(--column-gap);
  align-items: start;
  z-index: 1;
  pointer-events: none;
}

.stage__blocks {
  position: relative;
  z-index: 5;
  min-height: 140vh;
  padding-top: var(--media-start);
  padding-bottom: 180px;
}

.stage__footer {
  position: fixed;
  left: calc(var(--sidebar-width) + var(--content-gutter));
  right: var(--frame-right);
  bottom: var(--frame-bottom);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: var(--column-gap);
  align-items: end;
  z-index: 10;
  pointer-events: none;
}

.footer-item {
  min-width: 0;
}

.footer-item:nth-child(3) {
  justify-self: start;
  text-align: left;
}

.stage__preview {
  position: fixed;
  left: calc(var(--sidebar-width) + var(--content-gutter));
  right: var(--frame-right);
  top: 0;
  bottom: 0;
  z-index: 15;
  pointer-events: none;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
}

.stage__preview.is-visible {
  opacity: 1;
  visibility: visible;
}

.keyboard-hint {
  position: fixed;
  right: var(--frame-right);
  bottom: var(--frame-bottom);
  z-index: 30;
  opacity: 0.45;
  pointer-events: none;
}

body.is-page-open .keyboard-hint {
  display: none;
}

@media (max-width: 760px) {
  .sidebar {
    position: relative;
    width: auto;
    min-height: 100svh;
    padding: var(--mobile-padding);
    border-right: 0;
    border-bottom: 1px solid var(--color-text);
  }

  .stage {
    margin-left: 0;
    padding: var(--mobile-padding);
  }

  .stage__fixed-text {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 28px;
  }

  .stage__blocks {
    padding-top: 0;
    padding-bottom: 80px;
  }

  .stage__footer {
    position: sticky;
    left: auto;
    right: auto;
    bottom: var(--mobile-padding);
    grid-template-columns: 1fr;
    gap: 10px;
    padding-top: 24px;
  }

  .footer-item:nth-child(3) {
    justify-self: start;
  }

  .stage__preview,
  .keyboard-hint {
    display: none;
  }
}