.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: var(--accent-contrast);
  box-shadow: 0 1px 4px rgb(0 0 0 / 18%);
  font-size: 1rem;
  text-align: left;
}

.site-header__brand {
  color: inherit;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__search {
  flex: 1 1 190px;
  max-width: none;
  min-width: 0;
  margin: 0;
}

.site-header__search input {
  width: 100%;
  max-width: none;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--accent-border);
  border-radius: 6px;
  background: var(--accent-fill);
  color: var(--accent-contrast);
  font: inherit;
  font-size: 0.9rem;
  line-height: 1.2;
}

.site-header__search input::placeholder {
  color: var(--accent-placeholder);
  opacity: 1;
}

.site-header__search input:focus {
  outline: 2px solid var(--accent-focus);
  outline-offset: 1px;
  background: var(--accent-fill-focus);
}

.site-header__time {
  margin-left: auto;
  font-size: 0.8em;
  white-space: nowrap;
  opacity: 0.85;
}

.site-header__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.site-header__time + .site-header__nav {
  margin-left: 0;
}

.site-header__nav a {
  display: inline-block;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--accent-border);
  border-radius: 6px;
  color: var(--accent-contrast);
  font-size: 0.9rem;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__nav a:hover {
  background: var(--accent-fill-hover);
}

.site-header__nav a[aria-current="page"] {
  background: var(--accent-contrast);
  border-color: var(--accent-contrast);
  color: var(--accent);
}


@media (max-width: 900px) {
  .site-header__time {
    display: none;
  }
}

@media (max-width: 640px) {
  .site-header__search {
    width: 100%;
    flex-basis: 100%;
    max-width: none;
  }
}

.site-header__nav a:focus-visible,
.site-header__action:focus-visible,
.site-header__search input:focus-visible,
.site-header summary:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}