@keyframes scroll-shadow {
  0% {
    --header-shadow: none;
  }
  100% {
    --header-shadow: 0 1px 3px var(--color-shadow);
  }
}

.header {
  --anchor-color: var(--color-on-offset);
  --anchor-color-hover: var(--color-primary-on-background);
  --anchor-decoration-color: transparent;
  --header-background-color: var(--glass-background-color);
  --navigation-item-padding-block: var(--space-s);
  --navigation-item-current-color: var(--color-primary-variant);
  color: var(--color-on-offset);
  display: flex;
}

body:not(.app--minimalui) .header {
  backdrop-filter: blur(16px);
  background-color: var(--header-background-color);
  border-block-end: var(--border-hairline);
  box-shadow: var(--header-shadow);
  inset-block-start: 0;
  position: sticky;
  z-index: 99;

  @supports not (backdrop-filter: blur()) {
    -webkit-backdrop-filter: blur(16px);
  }

  @supports (animation-timeline: scroll()) {
    animation-fill-mode: both;
    animation-name: scroll-shadow;
    animation-range: 0ex 8ex;
    animation-timeline: scroll();
    animation-timing-function: linear;
  }
}

.header__container {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
}

.header__title {
  align-items: center;
  display: inline-flex;
  font-weight: 600;
  margin-inline-end: auto;
  padding-block: var(--navigation-item-padding-block);

  & a {
    margin-inline-start: calc(var(--space-s) * -1);
    padding: var(--space-s);
  }
}