/*
 * The Cenner family as an old file tree (folders, +/- boxes, dotted guides), linking back to
 * cenner.hr and its other apps. Shorten's own folder is selected, the way an explorer shows
 * where you are.
 */
.home-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1rem;
  padding: 0.4rem 0.75rem;
  border: 2px solid var(--ink);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.home-link:hover {
  background: var(--ink);
  color: var(--white);
}

/* The content area with the folders pane on its left, like an explorer window. */
.explorer {
  flex: 1;
  min-height: 0;
  width: 100%;
  display: flex;
}

.explorer > :not(.ftree-pane) {
  flex: 1;
  min-width: 0;
}

.ftree-pane {
  flex: 0 0 15.5rem;
  background: var(--white);
  border-right: 2px solid var(--ink);
  overflow-y: auto;
}

.ftree {
  position: sticky;
  top: 0;
  padding: 1rem 1rem 1.25rem;
  font-size: 0.95rem;
  text-align: left;
}

/* On a phone the folders go under the content, across the full width. */
@media (max-width: 799px) {
  .explorer {
    flex-direction: column;
    overflow-y: auto;
  }
  .explorer > .wrap {
    flex: none;
    overflow: visible;
  }
  .ftree-pane {
    order: 2;
    flex: none;
    border-right: 0;
    border-top: 2px solid var(--ink);
    overflow: visible;
  }
}

.ftree-title {
  margin: 0 0 0.6rem;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.ftree ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ftree ul ul {
  margin-left: 0.55rem;
  padding-left: 0.95rem;
  border-left: 1px dotted var(--slate);
}

.ftree li {
  position: relative;
  margin: 0.15rem 0;
  display: block;
}

.ftree ul ul > li::before {
  content: '';
  position: absolute;
  left: -0.95rem;
  top: 0.8rem;
  width: 0.85rem;
  border-top: 1px dotted var(--slate);
}

.ft-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.8rem;
  height: 0.8rem;
  margin-right: 0.3rem;
  border: 1px solid var(--slate);
  background: var(--white);
  font-size: 0.7rem;
  line-height: 1;
  vertical-align: middle;
  position: relative;
  z-index: 1;
}

.ft-none {
  visibility: hidden;
}

.ft-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.1rem 0.3rem;
  color: var(--ink);
  text-decoration: none;
  vertical-align: middle;
}

.ft-link:hover {
  text-decoration: underline;
}

.ft-ico {
  width: 1.15rem;
  height: 1.15rem;
  flex-shrink: 0;
}

.ft-current {
  background: var(--sky);
  color: var(--white);
  outline: 1px dotted var(--ink);
  outline-offset: 1px;
}

.ft-current:hover {
  text-decoration: none;
}

/*
 * On a wide screen the folders pane rises to meet the blue band, and the stair fills the space
 * beside it, so the two lock together like Tetris pieces: the stair starts at the pane's edge
 * and steps away from it.
 */
@media (min-width: 800px) {
  .seam {
    margin-left: 15.5rem;
  }
  .seam i:nth-child(1) {
    width: 100%;
  }
  .explorer {
    margin-top: calc(-4 * var(--step));
  }
  .explorer > :not(.ftree-pane) {
    margin-top: calc(4 * var(--step));
  }
  .ftree-pane {
    position: relative;
    z-index: 1;
  }
}