$row_transition: background-color 200ms $ease-out-quad,
                 background-image 200ms $ease-out-quad,
                 border-radius 200ms $ease-out-quad;

listview,
list {
  color: $view_fg_color;
  background-color: $view_bg_color;
  background-clip: padding-box;
  border-color: $border_color;

  > row {
    padding: 2px;
    background-clip: padding-box;
  }

  > row.expander { padding: 0px; }
  > row.expander .row-header { padding: 2px; }

  &.horizontal row.separator,
  &.separators.horizontal > row:not(.separator) {
    border-left: 1px solid $border_color;
  }

  &:not(.horizontal) row.separator,
  &.separators:not(.horizontal) > row:not(.separator) {
    border-bottom: 1px solid $border_color;
  }
}

button listview.view {
  background: none;
}

list.frame { border-radius: $button_radius; }

listview > header {
  @extend .heading;
  padding: 2px;
  padding-top: $base_padding * 3;
  padding-bottom: $base_padding;
}

row {
  @include focus-ring();

  .osd & {
    &:focus:focus-visible {
      outline-color: $osd_focus_color;
    }

    &.activatable {
      &:hover { background-color: $hover_color; }

      &:active { background-color: $active_color; }

      // this is for indicathing which row generated a popover see https://bugzilla.gnome.org/show_bug.cgi?id=754411
      &.has-open-popup { background-color: $hover_color; }

      &:selected {
        &:hover { background-color: $selected_hover_color; }

        &:active { background-color: $selected_active_color; }

        &.has-open-popup { background-color: $selected_hover_color; }
      }
    }

    &:selected {
      background-color: $selected_color;
    }
  }

  background-clip: padding-box;

  &.activatable {
    transition: $transition,
                background-size $ripple_fade_out_duration $ease_out,
                background-image $ripple_fade_out_opacity_duration $ease_out,
                font-weight 0;
    box-shadow: none;
    background-color: transparent;
    background-image: radial-gradient(circle, transparent 10%, transparent 0%);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 1000% 1000%;

    &:hover { background-color: $view_hover_color; }

    &:active {
      transition: $transition,
                  background-size 0ms,
                  background-image 0ms,
                  font-weight 0ms;
      animation: ripple $ripple_fade_in_duration $ease_out forwards;
      background-image: radial-gradient(circle, $view_hover_color 10%, transparent 0%);
      background-size: 0% 0%;
      background-color: $view_hover_color;
      box-shadow: none;
    }

    // this is for indicathing which row generated a popover see https://bugzilla.gnome.org/show_bug.cgi?id=754411
    &.has-open-popup { background-color: $view_hover_color; }

    &:selected {
      &:hover { background-color: $view_selected_hover_color; }

      &:active { background-color: $view_selected_active_color; }

      &.has-open-popup { background-color: $view_selected_hover_color; }
    }
  }

  &:selected {
    background-color: $view_selected_color;
  }
}

/*******************************************************
 * Rich Lists                                          *
 * Large list usually containing lots of widgets       *
 * https://gitlab.gnome.org/GNOME/gtk/-/issues/3073    *
 *******************************************************/

.rich-list { /* rich lists usually containing other widgets than just labels/text */
  > row {
    padding: $base_padding + 2px $base_padding * 2;
    min-height: 32px; /* should be tall even when only containing a label */

    > box {
      border-spacing: $base_padding * 2;
    }
  }

  > header {
    padding-left: $base_padding * 2;
    padding-right: $base_padding * 2;
  }
}

/****************
 * AdwActionRow *
 ****************/

row {
  label.subtitle {
    font-size: smaller;
    @extend .dim-label;
  }

  > box.header {
    margin-left: $base_padding * 2;
    margin-right: $base_padding * 2;
    border-spacing: $base_padding;
    min-height: $large_size + 2px;

    > .icon:disabled {
      filter: opacity($disabled_opacity);
    }

    > box.title {
      margin-top: $base_padding;
      margin-bottom: $base_padding;
      border-spacing: $base_padding / 2;
      padding: 0;

      // Specificity bump for header bar
      &,
      > .title,
      > .subtitle {
        padding: 0;
        font-weight: inherit;
      }
    }

    > .prefixes,
    > .suffixes {
      border-spacing: $base_padding;
    }

    > .icon,
    > .prefixes {
      &:dir(ltr) { margin-right: $base_padding; }
      &:dir(rtl) { margin-left: $base_padding; }
    }
  }

  &.property > box.header > box.title > {
    .title {
      font-size: smaller;
      @extend .dim-label;
    }

    .subtitle {
      font-size: inherit;
      opacity: 1;
    }
  }
}

/******************************
 * AdwEntryRow and AdwSpinRow *
 ******************************/

row.entry {
  &:disabled {
    text {
      opacity: $disabled_opacity;
    }

    .dim-label, .subtitle {
      opacity: 1;
    }
  }

  .edit-icon, .indicator {
    min-width: 22px;
    min-height: 22px;
    padding: $base_padding;
  }

  .edit-icon:disabled {
    opacity: $strong_disabled_opacity;
  }

  .indicator {
    opacity: $dimmer_opacity;
  }

  &.monospace {
    font-family: inherit;

    text {
      font-family: monospace;
    }
  }
}

row.spin {
  spinbutton {
    background: none;
    border-spacing: $base_padding;
    box-shadow: none;

    &, &:focus {
      outline: none;
    }

    > button.image-button.up:not(.flat):not(.raised):not(.suggested-action):not(.destructive-action):not(.opaque):last-child,
    > button.image-button.down:not(.flat):not(.raised):not(.suggested-action):not(.destructive-action):not(.opaque) {
      &, &:dir(ltr):last-child, &:dir(rtl):first-child {
        @extend %button_basic;
        @extend %circular_button;
        min-width: $menuitem_size;
        min-height: $menuitem_size;
        margin: 10px 2px;
        border: none;
      }
    }
  }

  &:disabled spinbutton {
    > button.image-button.up:not(.flat):not(.raised):not(.suggested-action):not(.destructive-action):not(.opaque):last-child,
    > button.image-button.down:not(.flat):not(.raised):not(.suggested-action):not(.destructive-action):not(.opaque) {
      &, &:dir(ltr):last-child, &:dir(rtl):first-child {
        &:disabled {
          filter: none;
        }
      }
    }
  }
}

row.entry,
row.spin {
  @include focus-ring($focus-state: '.focused', $offset: -1px, $transition: $row_transition);

  &:not(:selected).activatable.focused:hover,
  &:not(:selected).activatable.focused:active {
    background-color: transparent;
  }

  @each $e_type, $e_color, $e_bg_color, $e_fg_color in (error,   $error_color,   $error_bg_color,   $error_fg_color),
                                                       (warning, $warning_color, $warning_bg_color, $warning_fg_color),
                                                       (success, $success_color, $success_bg_color, $success_fg_color) {
    &.#{$e_type} {
      @include focus-ring($focus-state: '.focused', $offset: -1px, $fc: gtkalpha(currentColor, $focus_border_opacity), $transition: $row_transition);

      text {
        > selection:focus-within { background-color: gtkalpha($e_color, .2); }

        > cursor-handle > contents { background-color: currentColor; }
      }

      .dim-label, .subtitle {
        opacity: 1;
      }

      .suggested-action {
        background-color: $e_bg_color;
        color: $e_fg_color;
      }
    }
  }
}

/***************
 * AdwComboRow *
 ***************/

row.combo {
  image.dropdown-arrow:disabled {
    filter: opacity($disabled_opacity);
  }

  listview.inline {
    background: none;
    border: none;
    box-shadow: none;
    color: inherit;

    &, &:disabled {
      background: none;
      color: inherit;
    }
  }

  popover > contents {
    min-width: 120px;

    .combo-searchbar {
      margin: $base_padding;

      + scrolledwindow {
        @include undershoot(top, $popover_shade_color);
      }
    }
  }
}

/******************
 * AdwExpanderRow *
 ******************/

@mixin margin-start($margin) {
  &:dir(ltr) {
    margin-left: $margin;
  }

  &:dir(rtl) {
    margin-right: $margin;
  }
}

%boxed_list {
  background-color: $card_bg_color;
  color: $card_fg_color;
  border-radius: $button_radius;
  box-shadow: 0 0 0 1px $border_color;
}

%boxed_list_row {
  @include focus-ring($offset: -1px, $transition: $row_transition);

  .osd &:focus:focus-visible {
    outline-color: $osd_focus_color;
  }

  border-bottom: 1px solid gtkalpha(currentColor, .08);

  &:not(:selected).activatable {
    &:hover {
      background-color: gtkalpha(currentColor, .03);
    }

    &:active {
      background-color: gtkalpha(currentColor, .08);
    }

    &.has-open-popup {
      background-color: gtkalpha(currentColor, .03);
    }
  }
}

row.expander {
  // Drop transparent background on expander rows to let nested rows handle it,
  // avoiding double highlights.
  background: none;
  padding: 0px;

  > box > list {
    background: none;
    color: inherit;
  }

  list.nested {
    background-color: gtkalpha($card_shade_color, .5);
    color: inherit;
  }

  list.nested > row {
    @extend %boxed_list_row;
  }

  // AdwExpanderRow arrow rotation

  image.expander-row-arrow {
    @extend .dim-label;

    transition: -gtk-icon-transform 200ms $ease-out-quad;
    @include margin-start(3px);

    &:dir(ltr) {
      -gtk-icon-transform: rotate(0.5turn);
    }

    &:dir(rtl) {
      -gtk-icon-transform: rotate(-0.5turn);
    }

    &:disabled {
      filter: opacity($disabled_opacity);
    }
  }

  &:checked image.expander-row-arrow {
    -gtk-icon-transform: rotate(0turn);
    opacity: 1;

    &:not(:disabled) {
      color: $accent_color;
    }
  }

  .osd &:checked image.expander-row-arrow:not(:disabled) {
    color: inherit;
  }

  &.property box > list > row {
    @extend .property;
  }
}

/***************
 * AdwButtonRow *
 ***************/

row.button {
  > box {
    margin-left: $base_padding * 2;
    margin-right: $base_padding * 2;
    border-spacing: $base_padding;
    min-height: $large_size + 2px;
  }

  .title {
    @extend .heading;
  }

  &.suggested-action {
    color: $accent_color;
  }

  &.destructive-action {
    color: $destructive_color;
  }
}

/*****************
 * Boxed Lists *
 *****************/

list.boxed-list {
  @extend %boxed_list;

  > row {
    // Regular rows and expander header rows background
    &, &.expander row.header {
      @extend %boxed_list_row;
    }

    &.expander {
      border: none;
    }

    // Rounded top
    &:first-child {
      &, &.expander row.header {
        border-top-left-radius: $button_radius;
        border-top-right-radius: $button_radius;
      }
    }

    // Rounded bottom
    &:last-child {
      &,
      &.expander:not(:checked),
      &.expander:not(:checked) row.header,
      &.expander:checked list.nested,
      &.expander:checked list.nested > row:last-child {
        border-bottom-left-radius: $button_radius;
        border-bottom-right-radius: $button_radius;
        border-bottom-width: 0;
      }
    }
  }
}

list.boxed-list-separate {
  background: none;
  color: $card_fg_color;

  > row {
    @extend %boxed_list;
    border: none;
    margin-bottom: $base_padding * 2;

    &:last-child {
      margin-bottom: 0;
    }

    @include focus-ring($offset: -1px, $transition: $row_transition);

    .osd &:focus:focus-visible {
      outline-color: $osd_focus_color;
    }

    &:not(.expander) {
      &:not(:selected).activatable {
        &:hover {
          background-color: $card_bg_color;
          background-image: image(gtkalpha(currentColor, .03));
        }

        &:active {
          background-color: $card_bg_color;
          background-image: image(gtkalpha(currentColor, .08));
        }

        &.has-open-popup {
          background-color: $card_bg_color;
          background-image: image(gtkalpha(currentColor, .03));
        }
      }
    }

    &.entry, &.spin {
      &:not(:selected).activatable.focused:hover,
      &:not(:selected).activatable.focused:active {
        background-color: $card_bg_color;
        background-image: none;
      }

      @each $e_type, $e_color in (error,   $error_color),
                                 (warning, $warning_color),
                                 (success, $success_color) {
        &.#{$e_type} {
          color: $e_color;
        }
      }
    }

    &.expander {
      row.header {
        @extend %boxed_list_row;
        border-top-left-radius: $button_radius;
        border-top-right-radius: $button_radius;
      }

      &:not(:checked) row.header,
      &.expander:checked list.nested,
      &.expander:checked list.nested > row:last-child {
        border-bottom-left-radius: $button_radius;
        border-bottom-right-radius: $button_radius;
        border-bottom: none;
      }
    }
  }
}