gnome-shell-dark-theme/gnome-shell-sass/widgets/_looking-glass.scss

/* Looking Glass */

// common
.lg-dialog {

  StEntry {
    @extend %osd_entry;
    min-height: to_em(22px);
  }

  // override link color since OSD style
  $lg_link_color: st-lighten(-st-accent-color, 20%);
  .shell-link {
    color: $lg_link_color;
    &:hover { color: st-lighten($lg_link_color, 10%); }
    &:active { color: st-darken($lg_link_color, 10%); }
   }

  .actor-link {
    @extend %monospace;
    color: st-darken($osd_fg_color, 20%);
    &:hover { color:$osd_fg_color; }
    &:active { color: st-lighten($osd_fg_color, 20%); }
    & StIcon { icon-size: 12px; }
   }
}

.lg-completions-text {
  @extend %caption;
  font-style: italic;
}

// Dialog
#LookingGlassDialog {

  @extend %osd_panel;
  background-color: transparentize($osd_bg_color,0.02);
  color: $osd_fg_color;

  border-radius: $modal_radius;
  margin-top: $base_margin;
  border: 2px solid transparent;
  padding: $base_padding;
  spacing: $base_padding;
  box-shadow: 0 2px 4px 0 $shadow_color;

  @if $contrast == 'high' {
    border-color: $hc_inset_color;
    background-color: $osd_bg_color;
    box-shadow:none;
  }

  & > #Toolbar {
    border: none;
    padding: $base_padding;
    border-radius: 0;
    background-color: transparent;
    spacing: $base_padding;

    .lg-toolbar-button {
      @extend %osd_button;
      padding: $base_padding $base_padding * 2;

      & > StIcon { icon-size: $base_icon_size; }
    }
  }

  .labels {
    spacing: $base_padding;
  }

  .notebook-tab {
    @extend %osd_button_flat;
    background-color: transparent;
    -natural-hpadding: $base_padding * 2;
    -minimum-hpadding: $base_padding * 2;
    padding: $base_padding $base_padding * 2;
    &:selected {
      @include button(active, $tc:$osd_fg_color, $c:$osd_bg_color, $always_dark: true);
    }
  }
}

// Inspector
#LookingGlassPropertyInspector {

  background-color: $osd_bg_color;
  color: $osd_fg_color;
  border-radius: $modal_radius;
  border: 1px solid $osd_borders_color;
  padding: $base_padding * 2;

  @if $contrast == 'high' {
    border-color: $hc_inset_color;
  }

  .lg-obj-inspector-title {
    @extend %heading;
    spacing: $base_margin;
  }

  .lg-obj-inspector-close-button,
  .lg-obj-inspector-button {
    @extend %osd_button;
    padding: $base_padding $base_padding * 2;
  }

  .lg-obj-inspector-close-button {
    margin: $base_margin;
    padding: $base_padding;
    border-radius: $forced_circular_radius;
    > StIcon {
      icon-size: $base_icon_size;
    }
  }
}


// Evaluator
#LookingGlassEvaluator {
  padding: $base_padding;

  .evaluator-results {
    @extend %monospace;
    spacing: $base_padding;
  }
}

// Window List
#LookingGlassWindows {

  padding: $base_padding;
  spacing: $base_padding;

  .lg-window {
    @extend %card_common;
    @include button(normal, $tc:$osd_fg_color, $c:$osd_bg_color, $always_dark: true);
    margin: 0;
    padding: $base_padding * 2;

    .lg-window-name {
      @extend %heading;
    }

    .lg-window-props-box {
      .lg-window-props {
      }
    }
  }
}

// Extensions
#LookingGlassExtensions {

  .lg-extensions-list {
    padding: $base_padding;
    spacing: $base_padding;
  }

  .lg-extension {
    @extend %card_common;
    @include button(normal, $tc:$osd_fg_color, $c:$osd_bg_color, $always_dark: true);
    margin: 0;
    spacing: $base_margin;
    padding: $base_padding * 2;

    .lg-extension-name {
      @extend %heading;
      color: $osd_fg_color !important;
    }

    .lg-extension-description {
    }

    .lg-extension-meta {
      spacing: $base_padding * 2;
    }
  }

  .lg-extensions-none {
    @extend %title_4;
    color: transparentize($osd_fg_color, 0.5);
  }
}

// Actors
#LookingGlassActors {
  padding: $base_padding;
  spacing: $base_margin;
}

// Debug
#LookingGlassDebugFlags {

  .lg-debug-flags-header {
    padding: $base_padding;
    padding-top: 2 * $base_padding;
    @extend %title_4;
  }

  .lg-debug-flag-button {
    @extend %osd_button;
    padding: $base_padding * 1.5 $base_padding * 2;
    margin-bottom: $base_padding;

    StLabel {
      @extend %monospace;
      font-weight: normal !important;
    }

    // switch style overrides since lg is OSD style
    .toggle-switch {
      @if $contrast == 'high' {
        background: transparentize(white, .7);
        &:hover {
          background: transparentize(white, .6);
        }
      } @else {
        background: transparentize(white, .85);
        &:hover {
          background: transparentize(white, .8);
        }
      }
      &:checked {
        background: -st-accent-color;
        color: -st-accent-fg-color;

        &:hover {
          background-color: st-lighten(-st-accent-color, 5%);
          color: st-lighten(-st-accent-fg-color, 5%);
        }
      }
    }
  }
}