@media (max-width: 620px) {
  .header-inner {
    gap: 6px;
    min-width: 0;
    padding: 10px 0;
  }

  .brand {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
  }

  .brand img {
    display: block;
    width: auto;
    max-width: 112px;
    height: 40px;
    object-fit: contain;
    object-position: left center;
  }

  .actions {
    flex: 0 0 auto;
    gap: 4px;
  }

  .actions .btn {
    padding: 8px 9px;
    border-radius: 14px;
    font-size: 13px;
    line-height: 1;
  }

  .actions [data-action="theme"] {
    width: 36px;
    min-width: 36px;
    padding-inline: 0;
    overflow: hidden;
    font-size: 0;
  }

  .actions [data-action="theme"]::after {
    content: "◐";
    display: block;
    font-size: 18px;
    line-height: 1;
  }

  .nav {
    top: 68px;
  }
}