.desktop-site-rail {
  display: none;
}

@media (min-width: 721px) {
  body.has-desktop-rail {
    --desktop-rail-width: 82px;
    --desktop-rail-gap: 18px;
    padding-left: calc(var(--desktop-rail-width) + var(--desktop-rail-gap));
    box-sizing: border-box;
    overflow-x: hidden;
  }

  .desktop-site-rail {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 120;
    width: var(--desktop-rail-width);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 18px 0 26px;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    background: #080808;
  }

  .desktop-site-rail__brand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    color: #ffffff;
    text-decoration: none;
  }

  .desktop-site-rail__brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    font-size: 36px;
    font-weight: 900;
    line-height: 1;
  }

  .desktop-site-rail__nav {
    margin-top: auto;
    margin-bottom: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
  }

  .desktop-site-rail__item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 0;
    background: transparent;
    color: #5f626a;
    text-decoration: none;
    cursor: pointer;
    transition: color 0.16s ease, background-color 0.16s ease, transform 0.16s ease;
  }

  .desktop-site-rail__item svg {
    width: 28px;
    height: 28px;
    display: block;
  }

  .desktop-site-rail__item:hover,
  .desktop-site-rail__item:focus-visible,
  .desktop-site-rail__item.is-active {
    color: #ffffff;
  }

  .desktop-site-rail__item:hover,
  .desktop-site-rail__item:focus-visible {
    transform: translateY(-1px);
  }

  .desktop-site-rail__item--compose {
    width: 56px;
    height: 56px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(36, 36, 38, 0.98);
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.24);
  }

  .desktop-site-rail__item--compose:hover,
  .desktop-site-rail__item--compose:focus-visible {
    background: rgba(48, 48, 51, 0.98);
  }

  .desktop-site-rail__footer {
    width: 100%;
    padding: 0 8px;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
  }

  .desktop-site-rail__ad-host {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    min-height: 0;
  }

  .desktop-site-rail__ad-host:empty {
    display: none;
  }

  body.chat-page.has-desktop-rail {
    --desktop-rail-gap: 0px;
    padding-left: 0;
  }
}