catstodon/app/assets/stylesheets/admin.scss

.admin-wrapper {
  display: flex;
  justify-content: center;
  height: 100%;

  .sidebar-wrapper {
    flex: 1;
    height: 100%;
    background: $color1;
    display: flex;
    justify-content: flex-end;
  }

  .sidebar {
    width: 240px;
    height: 100%;
    padding: 20px 0;

    .logo {
      display: block;
      margin: 40px auto;
      width: 100px;
      height: 100px;
    }

    ul {
      list-style: none;
      border-radius: 4px 0 0 4px;
      overflow: hidden;

      a {
        display: block;
        padding: 15px 25px;
        color: rgba($color5, 0.7);
        text-decoration: none;
        transition: all 200ms linear;
        border-radius: 4px 0 0 4px;

        i.fa {
          margin-right: 5px;
        }

        &:hover {
          color: $color5;
          background-color: darken($color1, 5%);
          transition: all 100ms linear;
        }

        &.selected {
          background: darken($color1, 2%);
          border-radius: 4px 0 0 0;
        }
      }

      ul {
        background: darken($color1, 4%);
        border-radius: 0 0 0 4px;

        a {
          border: 0;

          &.selected {
            color: $color5;
            background-color: $color4;
            border-bottom: 0;
            border-radius: 0;

            &:hover {
              background-color: lighten($color4, 5%);
            }
          }
        }
      }
    }
  }

  .content-wrapper {
    flex: 2;
  }

  .content {
    max-width: 700px;
    padding: 20px 15px;
    padding-top: 60px;
    padding-left: 25px;

    h2 {
      color: $color2;
      font-size: 24px;
      line-height: 28px;
      font-weight: 400;
      margin-bottom: 40px;
    }

    p {
      font-size: 14px;
      line-height: 18px;
      color: $color2;
      margin-bottom: 20px;

      strong {
        color: $color5;
        font-weight: 500;
      }
    }
  }

  .simple_form {
    max-width: 400px;
  }

  @media screen and (max-width: 600px) {
    display: block;
    overflow-y: auto;

    .sidebar-wrapper, .content-wrapper {
      flex: 0 0 auto;
      height: auto;
    }

    .sidebar {
      width: 100%;
      padding: 10px 0;
      height: auto;

      .logo {
        margin: 20px auto;
      }
    }

    .content {
      padding-top: 20px;
    }
  }
}

.filters {
  display: flex;
  margin-bottom: 20px;

  .filter-subset {
    flex: 0 0 auto;
    margin-right: 40px;

    ul {
      margin-top: 5px;
      list-style: none;

      li {
        display: inline-block;
        margin-right: 5px;
      }
    }

    strong {
      font-weight: 500;
      text-transform: uppercase;
      font-size: 12px;
    }

    a {
      display: inline-block;
      color: rgba($color5, 0.7);
      text-decoration: none;
      text-transform: uppercase;
      font-size: 12px;
      font-weight: 500;
      border-bottom: 2px solid $color1;

      &:hover {
        color: $color5;
        border-bottom: 2px solid lighten($color1, 5%);
      }

      &.selected {
        color: $color4;
        border-bottom: 2px solid $color4;
      }
    }
  }
}