.layout-container {
  display: flex;
  flex-flow: column;
  min-height: 100vh;

  > main {
    flex: 1;
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 1.2rem;
    width: 100%;

    @include dt-bp-sm {
      padding: 0 2.4rem;
    }
  }

  > main:has(.layout-sidebar-first) {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.4rem;
    align-items: start;

    @include dt-bp-md {
      grid-template-columns: 220px 1fr;
    }

    #main-content {
      display: contents;
    }

    .layout-sidebar-first {
      @include dt-bp-md {
        grid-column: 1;
        grid-row: 1;
      }
    }

    .layout-content {
      @include dt-bp-md {
        grid-column: 2;
        grid-row: 1;
      }
    }
  }
}

header[role="banner"] {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--dt-surface);
  border-bottom: 1px solid var(--dt-border);
}

.region-header {
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 1.2rem;
  height: 6.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;

  @include dt-bp-sm {
    padding: 0 2.4rem;
    height: 8rem;
  }
}

.block-system-branding-block {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  flex-shrink: 1;
  min-width: 0;

  @include dt-bp-sm {
    flex-direction: row;
    align-items: center;
    gap: 1.2rem;
  }

  .site-logo img {
    height: 2.8rem;
    width: auto;
    display: block;

    @include dt-bp-sm {
      height: 3.6rem;
    }
  }

  .site-name {
    a,
    a:visited {
      display: block;
      font-size: 1rem;
      font-weight: normal;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--dt-grey);
      text-decoration: none;
      white-space: nowrap;

      @include dt-bp-sm {
        font-size: 1.4rem;
        letter-spacing: 0.2em;
        position: relative;
        top: 2px;
      }

      &:hover {
        background: none;
        text-decoration: none;
        color: var(--dt-grey);
      }
    }
  }
}

.menu--account {
  flex-shrink: 0;

  ul.menu {
    display: flex;
    align-items: center;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;

    @include dt-bp-sm {
      gap: 0.4rem;
    }

    li {
      list-style: none;
      padding: 0;
      margin: 0;

      a,
      a:visited {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        padding: 0.6rem 0.8rem;
        border-radius: $dt-radius-leaf;
        font-size: 1.2rem;
        font-weight: 500;
        text-decoration: none;
        color: var(--dt-dark);
        white-space: nowrap;
        border: 1px solid transparent;
        transition: background-color 0.15s;

        @include dt-bp-sm {
          gap: 0.8rem;
          padding: 1rem 2rem;
          font-size: 1.6rem;
        }

        &:hover {
          background-color: var(--dt-hover-bg);
          text-decoration: none;
          color: var(--dt-dark);
        }
      }

      &.is-active > a,
      &.is-active > a:visited {
        color: var(--dt-red);
        background-color: var(--dt-surface);
        border-color: rgba(227, 6, 19, 0.2);
      }

      a[href="/user"],
      a[data-drupal-link-system-path="user"] {
        @include dt-icon('../images/icon-documents.svg', 1.6rem);
      }

      a[href^="/user/"][href$="/edit"] {
        @include dt-icon('../images/icon-profile.svg', 1.6rem);
      }
    }
  }
}

.region-highlighted {
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 1.2rem;
  width: 100%;

  @include dt-bp-sm {
    padding: 0 2.4rem;
  }
}

.region-content {
  width: 100%;
}

.block-page-title-block {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  padding: 1.2rem 0 2.4rem;

  @include dt-bp-sm {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 3.2rem 0 2.4rem;
  }

  h1.page-title {
    font-size: 2.4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0;
    line-height: 1.2;
    color: var(--dt-dark);
    flex-grow: 1;

    @include dt-bp-sm {
      font-size: 3rem;
    }
  }
}

a.diatron_theme-title-button,
.button.diatron_theme-title-button {
  @extend %dt-btn;
  flex-shrink: 0;

  &:focus {
    opacity: 0.9;
    background-color: var(--dt-red);
  }
}

a.diatron_theme-title-button[href*="logout"],
.button.diatron_theme-title-button[href*="logout"] {
  @include dt-icon('../images/icon-logout.svg', 1.6rem);
}

a.diatron_theme-title-button[href*="instrument"] {
  &::before {
    content: "+";
    display: inline-block;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
    flex-shrink: 0;
  }
}

nav.tabs {
  margin-bottom: 0;

  ul.tabs.primary {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0 0 2.4rem;
    padding: 0;
    list-style: none;

    li {
      list-style: none;
      padding: 0;
      margin: 0;

      a,
      a:visited {
        display: inline-flex;
        align-items: center;
        padding: 0.8rem 1.6rem;
        border-radius: $dt-radius-leaf;
        font-size: 1.4rem;
        font-weight: 500;
        text-decoration: none;
        color: var(--dt-dark);
        border: 1px solid transparent;
        transition: background-color 0.15s;

        &:hover {
          background-color: var(--dt-hover-bg);
          text-decoration: none;
          color: var(--dt-dark);
        }
      }

      &.is-active a,
      &.is-active a:visited {
        color: var(--dt-red);
        background-color: var(--dt-surface);
        border-color: rgba(227, 6, 19, 0.2);
      }
    }
  }
}

footer[role="contentinfo"] {
  margin-top: 2.4rem;
  position: relative;

  &::before {
    content: "";
    position: absolute;
    top: 5px;
    left: unquote('max(1.2rem, calc(50% - 576px))');
    right: 0;
    height: 1px;
    background-color: var(--dt-red);

    @include dt-bp-sm {
      left: unquote('max(2.4rem, calc(50% - 576px))');
    }
  }

  &::after {
    content: "";
    position: absolute;
    top: 0;
    left: unquote('calc(max(1.2rem, calc(50% - 576px)) - 5px)');
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background-color: var(--dt-red);

    @include dt-bp-sm {
      left: unquote('calc(max(2.4rem, calc(50% - 576px)) - 5px)');
    }
  }
}

.region-footer {
  background-color: transparent;

  .inner {
    max-width: 1152px;
    margin: 0 auto;
    padding: 2.4rem 1.2rem;
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    row-gap: 1.6rem;

    @include dt-bp-sm {
      padding: 3.2rem 2.4rem;
      grid-template-columns: auto 1fr auto;
      column-gap: 2.4rem;
      row-gap: 0.4rem;
      justify-items: stretch;
    }
  }

  .logo-diatron {
    display: block;
    width: 18rem;
    height: 3.6rem;
    text-indent: -500vw;
    overflow: hidden;
    background: url('../images/diatron-logo.svg') no-repeat center center;
    background-size: contain;

    @include dt-bp-sm {
      grid-column: 1;
      grid-row: 1 / -1;
      align-self: center;
      background-position: left center;
      height: 4rem;
      width: 20rem;
    }
  }

  .menu--footer {
    text-align: center;

    @include dt-bp-sm {
      grid-column: 2;
      grid-row: 1;
    }

    ul.menu {
      display: flex;
      flex-direction: column;
      align-items: center;
      margin: 0;
      padding: 0;
      list-style: none;

      li {
        list-style: none;
        padding: 0;
      }

      a,
      a:visited {
        color: var(--dt-red);
        font-size: 1.4rem;
        font-weight: 500;
        text-decoration: none;

        &:hover {
          text-decoration: underline;
          text-underline-offset: 4px;
        }
      }
    }
  }

  .block-copyright-block {
    text-align: center;
    font-size: 1.4rem;
    color: var(--dt-grey);
    line-height: 1.5;

    @include dt-bp-sm {
      grid-column: 2;
      grid-row: 2;
    }

    .copyright-block {
      p {
        display: inline;
        margin: 0;
      }
    }
  }

  .logo-atman {
    @include dt-bp-sm {
      grid-column: 3;
      grid-row: 1 / -1;
      align-self: center;
      justify-self: end;
    }

    a {
      display: block;
      width: 10rem;
      height: 5rem;
      text-indent: -500vw;
      overflow: hidden;
      background: url('../images/atman-logo.svg') no-repeat center center;
      background-size: contain;
      opacity: 0.8;

      @include dt-bp-sm {
        background-position: right center;
        height: 5.6rem;
      }
    }
  }

  .block {
    padding: 0;
  }
}