.header {
  width: 100%;
  z-index: var(--z-index-header);
}

.is-bookmarks-show-link .header {
  position: fixed;
  top: 0;
  left: 0;
  transition: background-color var(--animation-speed-slow) ease-in-out;
}

.header-background {
  background-color: rgba(var(--gray-01), 0.95);
}

.header-area {
  margin: calc(var(--gutter) * 4) calc(var(--gutter) * -1);
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: stretch;
  /* display: grid; */
  /* grid-template-columns: auto 1fr auto auto auto; */
  /* grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); */
}

.header-item {
  margin: var(--gutter);
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  position: relative;
}

.header-search-input[type="text"] {
  padding-right: 3em;
}

.header-search-clear {
  position: absolute;
  top: 0;
  right: 0;
}

.is-header-alignment-horizontal-left .header-area {
  justify-content: flex-start;
}

.is-header-alignment-horizontal-center .header-area {
  justify-content: center;
}

.is-header-alignment-horizontal-right .header-area {
  justify-content: flex-end;
}

.is-layout-width-thin.is-header-search-grow .header-search,
.is-header-search-grow .header-search {
  flex-grow: 1;
  flex-basis: 100%;
}

@media (min-width: 550px) {
  .is-header-search-grow .header-search {
    flex-basis: initial;
  }
}

.header-search {
  width: 15vw;
  min-width: 15em;
}

.header-date,
.header-clock,
.header-search,
.header-edit-add,
.header-accent,
.header-menu {
  display: none;
}

.is-header-search-show .header-search,
.is-header-date-show .header-date,
.is-header-clock-show .header-clock,
.is-header-edit-add .header-edit-add,
.is-header-accent .header-accent,
.is-menu .header-menu {
  display: flex;
}