.block {
  margin-bottom: $block_spacing;
  .success {
    background-color: $success_color;
  }

  .warning {
    background-color: $warning_color;
  }

  .danger {
    background-color: $danger_color;
  }
}

.block__content, .block__tab {
  border-left: 1px solid $border_color;
  border-right: 1px solid $border_color;
  background: $background_color;
  padding: $block_spacing;
}

.block__content img, .block__tab img {
  max-width: 100%;
}

.block__content:first-child {
  border-top: 1px solid $border_color;
}

.block__content:last-child, .block__tab:not(.hidden) {
  border-bottom: 1px solid $border_color;
}

.block__content--destroyed {
  background-color: $destroyed_content_color !important;
}

.block__header {
  font-size: 14px;
  line-height: $block_header_height;
  background: $block_header_color;
  color: $foreground_color;
}

//FIXME This whole area has problems with structure, things are too coupled
.block__header--sub {
  @extend .block__header;
  line-height: $block_header_sub_height;
  a {
    padding-left: $header_spacing*0.5;
    padding-right: $header_spacing*0.5;
  }
}

.block__header--user-credit {
  box-sizing: border-box;
  line-height: 20px;
  padding-left: 12px;
  padding-right: 12px;
  padding-bottom: 4px;
}

.block__header--single-item {
  @extend .block__header;
  display: block;
  width: 100%;
  box-sizing: border-box;
}

.block__header--single-item, .block__header__item, .block__header a {
  padding-left: $header_spacing;
  padding-right: $header_spacing;
}

a.block__header--single-item, .block__header a {
  color: $block_header_link_text_color;
  display: inline-block;
  cursor: pointer;
  font-weight: bold;
  &:hover {
    background: $block_header_hover_color;
    color: $block_header_link_text_hover_color;
  }
}

.block__header a, .header__span {
  background: $block_header_color;
}

.block__header__title {
  font-size: 14px;
  margin: 0;
  padding: 0 ($header_spacing * 0.5) 0 $header_spacing;
}

.block__header--light {
  background: $block_header_light_color;
  a, .header__span {
    background: $block_header_light_color;
  }

  a {
    color: $block_header_light_link_text_color;
    &:hover {
      background: $block_header_light_hover_color;
      color: $block_header_light_link_text_hover_color;
    }
  }
}

.block__header--js-tabbed {
  @extend .block__header--light;
  background: transparent;

  border-bottom: $border;
  a {
    border-top: $border;
    /* hide the bottom border for tab links */
    margin-bottom: -1px;
    border-bottom: 1px solid $block_header_light_color;
  }
  a:hover {
    border-color: $block_header_light_hover_color;
  }
  a:first-child { border-left: $border; }
  a:last-child { border-right: $border; }

  a.selected, a.selected:hover {
    cursor: default;
    color: $foreground_color;
    background: $background_color;
    border-color: $block_header_light_color;
    border-bottom: 1px solid $background_color;
  }
}

/* Fixed blocks do not have header and content */
.block--fixed {
  padding: 6px $header_spacing;
  background: $background_color;
  border: $border;
  line-height: 1.35;
}

.block--fixed--sub {
  padding: 3px $header_spacing;
}

.block--no-margin {
  margin: 0;
}

.block--success {
  background: $success_light_color;
  border-color: $success_color;
}

.block--warning {
  background: $warning_light_color;
  border-color: $warning_color;
}

.block--danger {
  background: $danger_light_color;
  border-color: $danger_color;
}

.block--primary {
  background: $primary_light_color;
  border-color: $primary_color;
}

/* Somewhat dirty workaround for <h*> margins */

.block__content, .block__tab, .block--fixed {
  > h1, > h2, > h3, > h4, > h5, > h6 {
    margin-top: 6px;
  }
}

.block__header__dropdown-tab:hover > a {
  background-color: $block_header_hover_color;
  color: $block_header_link_text_hover_color;
}

/* Table-like lists */
.block__list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-bottom: $border;

  &:not(:last-child) { margin-bottom: 6px; }

  a.block__list__link {
    width: 100%;
    display: block;
    box-sizing: border-box;
    border: $border;
    margin-bottom: -1px; /* collapse borders */

    background: $background_color;
  }

  a.block__list__link.primary {
    background: $primary_light_color;
    border-color: $primary_color;
  }

  a.block__list__link:hover, a.block__list__link.active {
    background: $success_light_color;
    border-color: $success_color;
  }

  a.block__list__link.active:hover {
    background: $danger_light_color;
    border-color: $danger_color;
  }

  a.block__list__link.hidden {
    display: none;
  }
}

.block__content--top-border {
  border-top: $border;
}

.block__column__header {
  font-size: 14px;
  line-height: $block_header_sub_height;
  margin-bottom: $header_field_spacing;
  border-bottom: 1px solid;
  font-weight: bold;
}

@media (min-width: $min_px_width_for_desktop_layout) {
  .block--split {
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
  }

  .block__column--full, .block__column--half {
    flex-grow: 0;
    flex-shrink: 0;
    box-sizing: border-box;
  }

  .block__column--full {
    flex-basis: 100%;
  }

  .block__column--half {
    flex-basis: 50%;
    max-width: 50%;

    &:first-child {
      padding-right: $block-spacing;
    }
    &:last-child {
      padding-left: $block-spacing;
    }

    .flex__grow {
      flex: 1;
      min-width: 0;
    }
  }
}