.header-left {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}

.portal-return {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font: 650 13px PortalKai, serif;
  text-decoration: none;
  white-space: nowrap;
}

.portal-return:hover {
  color: var(--accent);
}

.portal-return:focus-visible {
  border-radius: 8px;
  outline: 3px solid rgba(101, 180, 255, .38);
  outline-offset: 3px;
}

.portal-return-mark {
  display: grid;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  grid-template-columns: repeat(2, 7px);
  grid-template-rows: repeat(2, 7px);
  gap: 2px;
}

.portal-return-mark i {
  display: block;
  border-radius: 50%;
  background: currentColor;
}

.portal-return-mark i:nth-child(2) {
  border-radius: 3px;
}

.portal-return-mark i:nth-child(3) {
  width: 16px;
  height: 5px;
  grid-column: 1 / 3;
  border-radius: 999px;
}

.header-divider {
  width: 1px;
  height: 28px;
  background: var(--line);
}

@media (max-width: 580px) {
  .header-left {
    gap: 9px;
  }

  .portal-return > span:last-child {
    display: none;
  }

  .header-divider {
    height: 24px;
  }
}