//
// Nautilus
//
.nautilus-window {
  &.background.csd {
    color: if($topbar =='dark' and $variant =='light', $titlebar-text-secondary, $text-secondary);

    &, &:backdrop {
      background-image: none;
      background-color: if($topbar =='dark' and $variant =='light', $titlebar, $base);
    }
  }

  &:not(.view) {
    headerbar {
      background-color: transparent;
      box-shadow: inset 0 1px highlight($titlebar);
    }
  }

  headerbar popover.background {

    // reset
    > contents {
      button:not(.suggested-action):not(.destructive-action) {
        @extend %button-basic;

        &.flat {
          @extend %button-flat;
        }
      }
    }
  }

  .content-pane {
    &, &:backdrop {
      background-color: transparent;
    }
  }

  @if $variant =='light' and $topbar =='dark' {

    .sidebar-pane,
    .content-pane {
      headerbar {
        color: $titlebar-text;

        .subtitle,
        .dim-label {
          color: $titlebar-text-secondary;

          &:backdrop {
            color: $titlebar-text-disabled;
          }
        }

        popover.background {

          // reset
          > contents {
            background-color: $surface;
            color: $text;

            .dim-label {
              color: $text-secondary;

              &:backdrop {
                color: $text-disabled;
              }
            }

            button {
              border-radius: $menuitem-radius;
            }

            .linked:not(.vertical) > button:not(.suggested-action):not(.destructive-action):not(.close):not(.maximize):not(.minimize) {
              border-radius: 0;

              &:first-child {
                border-radius: $menuitem-radius 0 0 $menuitem-radius;
              }

              &:last-child {
                border-radius: 0 $menuitem-radius $menuitem-radius 0;
              }

              &:only-child {
                border-radius: $menuitem-radius;
              }
            }
          }

          > contents > grid stack > scrolledwindow {
            border: 1px solid $border;

            row + separator {
              background-color: transparent;
            }
          }
        }
      }
    }

    .content-pane {
      headerbar {
        &, &:backdrop {
          box-shadow: inset 0 1px highlight($titlebar);
        }

        entry {
          @extend %titlebar-entry;
        }

        @if $mac_style =='true' {
          button:not(.suggested-action):not(.destructive-action):not(.close):not(.maximize):not(.minimize) {
            @extend %titlebar-button;
          }
        }

        @else {
          button:not(.suggested-action):not(.destructive-action) {
            @extend %titlebar-button;
          }
        }

        popover.background {

          // reset
          > contents {
            @if $mac_style =='true' {
              button:not(.suggested-action):not(.destructive-action):not(.close):not(.maximize):not(.minimize) {
                @extend %button-basic;

                &.flat {
                  @extend %button-flat;
                }
              }
            }

            @else {
              button:not(.suggested-action):not(.destructive-action) {
                @extend %button-basic;

                &.flat {
                  @extend %button-flat;
                }
              }
            }
          }

          entry {
            @extend %titlebar-entry-reset;
          }
        }
      }

      .toolbar {
        color: $text;
        background-color: $base;
        border-radius: $window-radius - $space-size;
        margin: 0 $space-size $space-size 0;
      }
    }

    #NautilusProgressIndicator {
      > menubutton > button {
        listview.view {
          color: $titlebar-text-secondary;

          > row {
            color: $titlebar-text-secondary;
          }
        }
      }
    }
  }

  flap > separator {
    background: none;
    min-width: 0;
  }

  .sidebar-pane {
    &, &:backdrop {
      background-color: transparent;
    }

    &:dir(ltr), &.end:dir(rtl) {
      &, banner > revealer > widget {
        box-shadow: none;
        border-right: none;
      }
    }

    &:dir(rtl), &.end:dir(ltr) {
      &, banner > revealer > widget {
        box-shadow: none;
        border-left: none;
      }
    }

    .toolbar {
      margin: 0 0 $space-size * 2 $space-size;
    }
  }

  flap.unfolded > placessidebar,
  .sidebar-pane > toolbarview > placessidebar {
    background-color: if($topbar =='dark' and $variant =='light', $titlebar, $base);
    border-radius: $window-radius;
    color: $titlebar-text-secondary;

    > scrolledwindow {
      margin: 0 0 $space-size * 2 $space-size * 2;
      border-radius: $window-radius - $space-size;
      background-color: if($topbar =='dark' and $variant =='light', transparent, rgba(theme($theme), 0.08));

      > overshoot, > undershoot {
        &.top {
          border-radius: $window-radius - $space-size $window-radius - $space-size 0 0;
        }

        &.bottom {
          border-radius: 0 0 $window-radius - $space-size $window-radius - $space-size;
        }
      }

      > viewport {
        > list.navigation-sidebar {
          padding: 16px 0 16px 0;
          background: none;
          border-radius: $window-radius - $space-size;

          > separator {
            background: none;
          }

          > row.activatable {
            border-radius: 0;
            padding: 0;
            margin: -8px 0 -8px 0;
            animation: none;

            > revealer.sidebar-revealer {
              padding-left: 12px;
              padding-right: 0;

              > box {
                padding-right: 12px + $space-size;
                padding-left: 0;
              }
            }

            &, &:focus, &:hover, &:active {
              background: none;
              box-shadow: none;
              animation: none;
            }

            &, image.sidebar-icon, label.sidebar-label {
              color: $titlebar-text-secondary;
            }

            image.sidebar-icon {
              padding-right: $space-size;
            }

            label.sidebar-label {
              color: inherit;
              min-height: 54px;
              padding-left: $space-size;
            }

            &.sidebar-placeholder-row {
              background-color: transparent;
            }

            &:drop(active) {
              border-radius: 0;

              @if $topbar =='dark' {
                border-radius: $circular_radius 0 0 $circular_radius;
              }

              background-color: rgba($drop_target_color, 0.1);

              &, image.sidebar-icon, label.sidebar-label {
                color: $drop_target_color;
              }
            }

            button.sidebar-button {
              @if $topbar =='dark' {
                @extend %button-on-dark;
              }
            }

            &:hover {
              image.sidebar-icon, label.sidebar-label {
                color: $primary;
              }
            }

            &:selected {
              background-color: transparent;
              font-weight: 700;
              // font-size: larger;

              image.sidebar-icon {
                color: $primary;
              }

              image.sidebar-icon, label.sidebar-label {
                color: $primary;
              }

              button.sidebar-button {
                color: $primary;

                @extend %button-flat-simple;
              }

              > revealer > box {
                color: $primary;
                background-color: $base;
                border: none;
                border-image-width: 16px 9px 16px 46px;
                border-image-slice: 16 9 16 46;
                border-image-repeat: stretch;
                border-image-source: -gtk-scaled(url("assets/row-selected#{$blackness-asset-suffix}#{$theme-asset-suffix}.png"),
                  url("assets/row-selected#{$blackness-asset-suffix}#{$theme-asset-suffix}@2.png"));
              }

              label.sidebar-label {
                margin-left: $space-size + 4px;
              }

              button.sidebar-button {
                color: $primary;

                @extend %button-flat-simple;
              }
            }

            &:disabled {
              &, image.sidebar-icon, label.sidebar-label {
                color: $titlebar-text-secondary-disabled;
              }
            }
          }
        }
      }

      > scrollbar {
        margin: $space-size / 2 $space-size / 2 $space-size / 2 0;
        background: none;
        border: none;

        though {
          background: none;

          > slider {
            border: none;
          }
        }
      }
    }
  }

  tabbar {
    .box {
      padding: 0 $window-radius - $space-size;
      background-color: transparent;
      box-shadow: inset 0 -1px if($topbar =='dark' and $variant =='light', transparent, $solid-border);
    }

    tab {
      color: $titlebar-text-secondary;

      @if $topbar =='dark' and $variant =='light' {
        border: none;
      }

      &:hover:not(:selected):not(:active):not(:checked) {
        color: $titlebar-text;
        background-color: if($topbar =='dark', rgba($titlebar-text, 0.05), transparent);
      }

      &:active, &:checked, &:selected {
        color: $text;

        &:disabled {
          color: $text-disabled;
        }

        & > button.flat {
          @extend %button-flat-simple;
        }
      }

      &:disabled {
        color: $titlebar-text-secondary-disabled;
      }

      & > button.flat {
        @if $topbar =='dark' {
          @extend %button-on-dark;
        }

        @else {
          @extend %button-flat-simple;
        }
      }
    }
  }

  @if $variant =='light' and $topbar =='dark' {
    tabview stack {
      background-color: transparent;

      statuspage {
        color: $text;
        background-color: $base;
        border-radius: $window-radius - $space-size;
        margin: 0 $space-size $space-size 0;
      }
    }

    banner > revealer > widget {
      border-radius: $window-radius - $space-size;
      margin: 0 $space-size $space-size 0;
    }

    placesview > .toolbar {
      border-bottom-left-radius: $window-radius - $space-size;
      border-bottom-right-radius: $window-radius - $space-size;
    }

    .nautilus-grid-view {
      &, gridview.view {
        color: $text;
        background-color: $base;
        border-radius: $window-radius - $space-size;
        margin: 0 $space-size $space-size 0;
      }
    }

    .nautilus-network-view,
    .nautilus-list-view {
      color: $text;
      background-color: $base;
      border-radius: $window-radius - $space-size;
      margin: 0 $space-size $space-size 0;

      .view {
        background-color: transparent;
      }
    }

    placesview {
      border-radius: $window-radius - $space-size;
      margin: 0 $space-size $space-size 0;
      background-color: $base;

      list, actionbar, actionbar > revealer > box {
        background-color: transparent;
      }
    }
  }

  placesview {
    label {
      color: $text-secondary;

      &:disabled {
        color: $text-secondary-disabled;
      }
    }
  }

  .nautilus-list-view {
    #NautilusViewCell {
      padding: 0;
    }
  }

  infobar {
    margin: $space-size / 2;

    > revealer > box {
      border-radius: $space-size;
    }
  }

  label.search-information {
    margin: $space-size / 2;
    border-radius: $space-size;
  }

  #NautilusPathBar {
    background-color: $titlebar-fill;

    #NautilusPathButton {
      &.current-dir {
        color: $titlebar-text;
      }
    }
  }
}

.floating-bar {
  min-height: $menuitem-size;
  padding: $space-size / 2;
  margin: if($variant =='light' and $topbar =='dark', $space-size * 2, $space-size);
  border: none;
  border-radius: $circular-radius;
  background-color: rgba($background, 0.95);
  box-shadow: none;
  color: $text;

  button {
    margin: (32px - $small-size) / 2;

    @extend %small-button;
  }
}

.nautilus-grid-view {
  child.activatable {
    padding: 0;

    #NautilusViewCell {
      padding: $space-size;

      clamp box {
        margin: 0;
        border-spacing: 0;
      }

      .icon-ui-labels-box {
        margin: 0 0 $space-size * 2;
        border-spacing: 0;
      }

      .dim-label {
        border-spacing: 0;
      }
    }
  }
}

#NautilusQueryEditor {
  // search entry
  border-radius: $circular-radius;
  padding: 0 ($medium-size - $menuitem-size) / 2 0 ($space-size + 2px);

  > menubutton > button.image-button {
    min-width: $menuitem-size;
    min-height: $menuitem-size;
    padding: 0;
    margin: ($medium-size - $menuitem-size) / 2 0;
  }

  > * {
    margin: 0;
  }
}

#NautilusPathBar {
  background-color: $fill;
  border-radius: $circular-radius;

  #NautilusPathButton {
    margin: 0 $space-size / 2;
    border-radius: $circular-radius;

    &.current-dir {
      color: $text;

      &:hover, &:active {
        background: none;
        box-shadow: none;
      }
    }

    &:first-child {
      margin-left: 0;
    }
  }

  > menubutton > button {
    border-radius: $circular-radius;
  }
}

#NautilusQueryEditorTag {
  border-radius: $circular-radius;

  > button {
    margin: $space-size / 2;
    padding: 0;
    min-height: $small-size - 2px;
    min-width: $small-size - 2px;
  }
}

#NautilusFileChooser {
  .content-pane {
    background-color: $base;
  }
}

//
// Gnome Control Center
//

window.dialog {
  > box > stack > box > box {
    > notebook.frame {
      border-width: 0 0 0 1px;
      border-radius: 0;
    }
  }
}

// leaflet
window > contents {
  leaflet {
    background-color: transparent;

    stack.background {
      background-color: transparent;
    }

    &.unfolded {

      stack.background leaflet box:last-child > headerbar,
      stack.background leaflet + headerbar {
        border-top-left-radius: 0;
      }

      > separator + box > headerbar {
        border-top-right-radius: 0;
      }
    }

    > box > scrolledwindow > viewport > widget > stack {
      background-color: $base;
    }
  }
}

window > widget {
  leaflet {
    background-color: transparent;

    stack.background {
      background-color: transparent;
    }

    &.unfolded {
      stack.background > widget > overlay > leaflet > box > headerbar, // Control display header

      stack.background > widget > box > widget > headerbar,
      > box:not(:last-child) headerbar {
        // Calendar and Builder right header
        border-top-left-radius: 0;
      }

      > separator + box > headerbar {
        // Calendar and control left header
        border-top-right-radius: 0;
      }
    }

    > box > scrolledwindow > viewport > widget > stack {
      background-color: $base;
    }
  }
}

//
// Gnome Tweaks
//

.tweak-titlebar-left + separator {
  background-color: $titlebar;

  &:backdrop {
    background-color: $titlebar-backdrop;
  }
}

//
// Gnome Clocks
//

.large-button {
  padding: $space-size;
}

// alarms
.alarm-time {
  font-size: 2.5em;
  font-weight: 300;
}

.clocks-ampm-toggle-button,
.clocks-secondary-standalone-label {
  font-size: 18pt;
}

.clocks-standalone-label,
.clocks-ringing-label {
  font-size: 6em;
  font-weight: 300;
}

.clocks-ringing-title {
  font-size: 1.5em;
  font-weight: bold;
}

.clocks-alarm-setup-time {
  font-size: 32pt;
}

// Timer Panel
.clocks-timer-label,
.clocks-spinbutton {
  font-size: 48pt;
}

// disguise insensitive spinbuttons as normal labels
.timer-panel .timer-header {
  font-size: 20pt;
  font-weight: 300;
}

.timer-countdown {
  font-size: 40pt;
  font-weight: 300;
}

/* Stopwatch Panel */
.lap-time {
  font-weight: bold;
}

.stopped-stopwatch label,
.running-stopwatch label,
.paused-stopwatch label {
  font-size: 70px;
  font-weight: lighter;
}

.stopped-stopwatch .seconds-label {
  font-weight: 300;
}

.running-stopwatch .seconds-label,
.running-stopwatch .miliseconds-label {
  color: $primary;
}

.stopped-stopwatch .miliseconds-label,
.running-stopwatch .miliseconds-label,
.paused-stopwatch .miliseconds-label {
  font-size: 50px;
}

.running-stopwatch .seconds-label,
.paused-stopwatch .seconds-label {
  font-weight: 300;
}

// World
.clock-location {
  font-weight: bolder;
}

.hidden {
  opacity: 0;
}

.clock-time {
  font-size: 2em;
  padding: 0.2em 0.5em;
  border-radius: 1em;
}

.none .clock-time {
  background: gtkalpha(currentColor, 0.2);
}

.night .clock-time {
  color: $blue-dark;
  background-color: gtkalpha($blue-light, 0.25);
}

.naut .clock-time,
.astro .clock-time {
  color: $orange-dark;
  background-color: gtkalpha($orange-light, 0.25);
}

.civil .clock-time,
.day .clock-time {
  color: $yellow-dark;
  background: gtkalpha($yellow-light, 0.25);
}

//
// Contacts
//

.contacts-contact-list list.navigation-sidebar {
  background: none;
}

window > contents leaflet {
  &.unfolded {
    > box.vertical > headerbar {
      border-top-left-radius: 0;
    }
  }
}

//
// Calculator
//

.history-view {
  background-color: $base;
}

#displayitem {
  border-top: 1px solid $border;
}

.small .card {
  border-radius: 0;
  box-shadow: none;

  &.forecast-card {
    border-width: 1px 0;
  }

  &.display-container {
    border-width: 0 0 1px 0;
  }
}

leaflet {
  button.number-button {
    background-color: rgba($text, 0.1);

    &:hover {
      background-color: rgba($text, 0.2);
    }

    &:active {
      background-color: rgba($text, 0.3);
    }
  }

  button.clear-button.image-button {
    border-radius: $corner-radius;
  }
}

//
// Calendar
//

// labels
label {
  &.primary-label, &.month-name, &.secondary-label {
    font-size: 16pt;
    font-weight: bold;
    padding: $space-size * 2;
  }

  &.primary-label, &.month-name {
    color: $primary;
  }

  &.secondary-label {
    color: $text-disabled;
  }
}

calendar-view {
  font-size: 10pt;

  &:selected {
    color: $primary;
    font-weight: bold;
  }
}

calendar-view.header,
label.header {
  font-size: 10pt;
  font-weight: bold;
  color: $text-disabled;
}

calendar-view.current,
weekgrid.current {
  background-color: gtkalpha($primary, 0.3);
}

popover.events {
  background-color: $popover;
  padding: 0;

  box {
    border-top-left-radius: $corner-radius;
    border-top-right-radius: $corner-radius;
  }

  list {
    background-color: $base;
    border-radius: $corner-radius;
  }

  scrolledwindow {
    border-width: 0;
  }

  button {
    border-radius: $corner-radius;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-style: solid none none;
    box-shadow: none;
  }
}

// Event widget
event {
  margin: 1px;
  font-size: 0.9rem;

  widget.content {
    margin: 4px;
  }

  weekgrid > & {
    margin: 5px 4px 0 3px;
  }

  &.timed,
  &:not(.slanted):not(.slanted-start):not(.slanted-end) {
    border-radius: $menuitem-radius;
  }

  &.timed widget.edge {
    border-radius: $menuitem-radius;
    min-width: 5px;
  }

  &.slanted-start,
  &.slanted-end:dir(rtl) {
    padding-left: $space-size * 2 + 4px;
    border-radius: 0 $menuitem-radius $menuitem-radius 0;
  }

  &.slanted-end,
  &.slanted-start:dir(rtl) {
    padding-right: $space-size * 2 + 4px;
    border-radius: $menuitem-radius 0 0 $menuitem-radius;
  }

  &:not(.timed).color-dark {
    color: white;
    outline-color: rgba(0, 0, 0, 0.3);
  }

  &:not(.timed).color-light {
    color: gtkalpha(black, 0.75);
    outline-color: rgba(255, 255, 255, 0.5);
  }

  &.timed {
    color: $text-secondary;
  }
}

// Event Popover
popover.event-popover,
popover.event-popover > contents {
  padding: 0;
}

.search-viewport {
  background-color: $base;
}

// calendar popover
.calendar-list {
  background-color: transparent;

  > list {
    border-radius: 4px;
  }
}

// defeats the ugly hover effect of the calendar color dot on buttons
.calendar-color-image {
  -gtk-icon-filter: none;
}

// adds a subtle shadow to the calendar color dot when it makes sense
image.calendar-color-image,
button:active:not(:backdrop) .calendar-color-image,
button:checked:not(:backdrop) .calendar-color-image,
.calendars-list .calendar-color-image:not(:backdrop):not(:disabled),
.calendar-list .calendar-color-image:not(:backdrop):not(:disabled),
.sources-button:not(:backdrop):not(:disabled) .calendar-color-image {
  -gtk-icon-shadow: 0 1px gtkalpha(black, 0.1);
}

// Date chooser

// month/year controls
datechooser {
  padding: $space-size;

  .current-week {
    // Month selector
    background-color: $fill;
    color: $text;
    border-radius: $corner-radius;
  }

  navigator {
    // add some space between the two controls
    margin-right: $space-size;
    margin-left: $space-size;
    margin-bottom: $space-size;
  }

  navigator {
    label {
      font-weight: bold;
    }

    button, button.popup, button.image-button {
      min-height: $medium-size;
      min-width: $medium-size;
      padding: 0;
    }
  }

  // day names and week numbers
  .weeknum, .weekday {
    color: $text-disabled;
    font-size: smaller;
  }

  .sidebar-pane & {
    .current-week {
      // Month selector
      background-color: $titlebar-fill;
      color: $titlebar-text;
    }

    .weeknum, .weekday {
      color: $titlebar-text-disabled;
    }
  }

  // days
  button.day, button.day.text-button {
    font-size: 10pt;
    font-weight: normal;
    margin: $space-size / 2;
    padding: 0;
    min-height: $medium-size;
    min-width: $medium-size;
    transition: none;

    dot {
      background-color: $text;
      border-radius: 50%;
      min-height: $space-size / 2;
      min-width: $space-size / 2;
    }

    &:selected, &.today:selected {
      background-color: $primary;
      color: $primary-text;
      font-weight: bold;

      dot {
        background-color: $primary-text;
      }
    }

    &.today {
      color: $primary;

      dot {
        background-color: $primary;
      }
    }

    &.other-month {

      &:not(:hover),
      &:backdrop {
        color: $text-secondary-disabled;

        dot {
          background-color: $text-secondary-disabled;
        }
      }
    }
  }
}

// Week View CSS
.week-header {
  padding: 0;

  & > box:first-child {
    border-bottom: 1px solid $border;
  }

  .week-number {
    font-size: 16pt;
    font-weight: bold;
    padding: $space-size * 2 $space-size * 2 $space-size * 3 $space-size * 2;
    color: $track;
  }

  &.week-temperature {
    font-size: 10pt;
    font-weight: bold;
    color: $text-disabled;
  }

  &.lines {
    color: $border;
  }
}

weekhourbar > label {
  font-size: 10pt;
  padding: 4px $space-size;
}

.week-view .lines {
  color: $border;
}

weekgrid > widget.now-strip {
  background-color: gtkalpha($primary, 0.8);
  margin: 0 0 0 1px;
  min-height: 3px;
}

weekgrid,
.week-header {
  &:selected, &.dnd {
    background-color: gtkalpha($primary, 0.25);
  }
}

// Month cell
monthcell {
  border: solid 1px $border;
  border-width: 1px 0 0 1px;
  background-color: transparent;
  transition: background-color 200ms;

  &:hover:not(.out-of-month):not(.today) {
    background-color: $base-alt;
    transition: background-color 200ms;
    color: $text;
  }

  &:selected {
    background-color: gtkalpha($primary, 0.1);

    &:hover {
      background-color: gtkalpha($primary, 0.2);
    }

    label.day-label {
      font-weight: bold;
    }
  }

  &:nth-child(7n + 1) {
    border-left-width: 0;
  }

  &.today {
    background-color: gtkalpha($primary, 0.2);

    &:hover {
      background-color: gtkalpha($primary, 0.3);
      color: $primary;
    }

    &:selected {
      background-color: gtkalpha($primary, 0.25);

      &:hover {
        background-color: gtkalpha($primary, 0.35);
      }
    }
  }

  label {
    color: $text;
    font-size: 0.9rem;

    &.day-label {
      font-size: 1rem;
    }
  }

  &.out-of-month {
    background-color: $fill;

    label {
      color: $text-secondary;
    }
  }

  button {
    padding: 0 $space-size;
    border-radius: 0;
    border-bottom: none;
    border-right: none;
  }
}

// Month popover
monthpopover > box {
  margin: 0;
  padding: 0;
  background-color: transparent;
}

.notes-section box > textview {
  border-radius: $corner-radius;
  padding: $space-size;

  > text {
    background: none;
  }
}

// Agenda View CSS
agenda-view list {
  > row {
    padding: 2px $space-size * 2;
  }

  > label {
    padding: $space-size $space-size * 2;
  }
}

label.no-events {
  font-style: italic;
}

// Search
searchbutton > popover > arrow {
  background: none;
  border: none;
}

menubutton {
  &.sources-button {
    margin-top: 0;
    margin-bottom: 0;
    border-radius: 0;
    border-top-style: none;
    border-bottom-style: none;

    &:hover:not(:backdrop) {
      background-image: none;
      text-shadow: none;
    }

    > button {
      border-radius: 0;

      .title {
        font-size: 10pt;
        font-weight: normal;
        padding: 0 $space-size;
      }

      .subtitle {
        font-size: 8pt;
        padding: 0 $space-size;
      }

      .calendar-color-image {
        -gtk-icon-size: 12px;
      }
    }
  }

  stack > box {
    border-spacing: $space-size;
  }

  .topbar headerbar &.sources-button {
    > button {
      border-radius: 0 0 $corner-radius $corner-radius;
    }
  }
}

agenda-view > scrolledwindow > viewport > list.background {
  background-color: transparent;
}

//
// Gnome Software
//

flowboxchild {
  &.card:not(.category-tile) {
    border: none;
    box-shadow: none;
    padding: 0;
    background: none;
  }
}

.card {
  &.category-tile {
    padding: $space-size * 3.5;
    border: none;
    border-radius: $corner-radius;
    box-shadow: 0 2px 6px rgba(black, 0.1);
  }

  &.category-tile-iconless {
    padding: $space-size * 1.5 $space-size * 2.5;
    box-shadow: none;
    background-color: $button;
    @extend %button-flat-simple;
  }
}

app-context-bar {
  > box:not(:first-child) > button.flat {
    border-radius: 0;

    &:last-child {
      border-radius: 0 $corner-radius $corner-radius 0;
    }
  }

  > box:first-child > button.flat {
    border-radius: 0;

    &:first-child {
      border-radius: $corner-radius 0 0 $corner-radius;
    }
  }

  > box > button.flat {
    border-left-color: $border;
  }
}

carousel.card {
  border: none;
}

.context-tile-lozenge {
  min-height: 28px;
  min-width: 28px;
  padding: $space-size;
  margin: $space-size;

  &.grey {
    color: $text;
    background-color: $divider;
  }

  &.green, &.details-rating-0 {
    color: darken($success, 15%);
    background-color: rgba($success, 0.15);
  }

  &.blue,
  &.details-rating-5 {
    color: $blue-dark;
    background-color: rgba($blue-dark, 0.15);
  }

  &.yellow, &.details-rating-12 {
    color: darken($warning, 15%);
    background-color: rgba($warning, 0.15);
  }

  &.details-rating-15 {
    color: $orange-dark;
    background-color: rgba($orange-dark, .15);
  }

  &.red, &.details-rating-18 {
    color: darken($error, 15%);
    background-color: rgba($error, 0.15);
  }
}

screenshot-carousel box.frame.view {
  border-width: 1px 0;
  border-radius: 0;
}

/* Styling for specific category buttons. */
.category-tile.category-create {
  background: linear-gradient(180deg, #ce8cd7 0%, #2861c6 100%);
  color: white;

  &:hover {
    background: linear-gradient(180deg, shade(#ce8cd7, 1.07) 0%, shade(#2861c6, 1.1) 100%);
  }

  &:active {
    background: linear-gradient(180deg, shade(#ce8cd7, .95) 0%, shade(#2861c6, .95) 100%);
  }
}

.category-tile.category-develop {
  background: #5e5c64;
  color: white;

  &:hover {
    background: shade(#5e5c64, 1.2);
  }

  &:active {
    background-color: shade(#5e5c64, .95);
  }
}

.category-tile.category-learn {
  background: linear-gradient(180deg, #2ec27e 30%, #27a66c 100%);
  color: white;

  &:hover {
    background: linear-gradient(180deg, shade(#2ec27e, 1.06) 30%, shade(#27a66c, 1.06) 100%);
  }

  &:active {
    background: linear-gradient(180deg, shade(#2ec27e, .95) 30%, shade(#27a66c, .95) 100%);
  }
}

.category-tile.category-play {
  background: linear-gradient(75deg, #f9e2a7 0%, #eb5ec3 50%, #6d53e0 100%);
  color: #393484;

  &:hover {
    background: linear-gradient(75deg, shade(#f9e2a7, 1.07) 0%, shade(#eb5ec3, 1.07) 50%, shade(#6d53e0, 1.07) 100%);
  }

  &:active {
    background: linear-gradient(75deg, shade(#f9e2a7, .97) 0%, shade(#eb5ec3, .95) 50%, shade(#6d53e0, 1.07) 100%);
  }
}

.category-tile.category-socialize {
  background: linear-gradient(90deg, #ef4e9b 0%, #f77466 100%);
  color: $text-secondary;

  &:hover {
    background: linear-gradient(90deg, shade(#ef4e9b, 1.08) 0%, shade(#f77466, 1.08) 100%);
  }

  &:active {
    background: linear-gradient(90deg, shade(#ef4e9b, .95) 0%, shade(#f77466, .95) 100%);
  }
}

.category-tile.category-work {
  padding: 1px;
  /* FIXME: work around https://gitlab.gnome.org/GNOME/gtk/-/issues/4324 */
  color: #1c71d8;
  background-color: #fdf8d7;
  background-image: linear-gradient($border 1px, transparent 1px),
    linear-gradient(90deg, $border 1px, transparent 1px);
  background-size: 10px 10px, 10px 10px;
  background-position: -1px -4px, center -1px;

  &:hover {
    background-color: lighten(#fdf8d7, 5%);
    background-image: linear-gradient($border 1px, transparent 1px),
      linear-gradient(90deg, $border 1px, transparent 1px);
  }

  &:active {
    background-color: darken(#fdf8d7, 5%);
    background-image: linear-gradient($border 1px, transparent 1px),
      linear-gradient(90deg, $border 1px, transparent 1px);
  }
}

//
// Gnome Weather
//

@define-color weather_temp_chart_fill_color #{rgba($warning, 0.5)};
@define-color weather_temp_chart_stroke_color #{darken($warning, 10%)};
@define-color weather_thermometer_warm_color #{if($variant == 'light', $yellow-dark, $yellow-light)};
@define-color weather_thermometer_cold_color #{if($variant == 'light', $blue-dark, $blue-light)};

$weather_thermometer_high_color: $yellow-light;
$weather_thermometer_low_color: $blue-light;
$weather_forecast_color: darken($warning, 10%);

#places-label {
  font-weight: bold;
}

#temperature-label {
  font-size: 32pt;
  font-weight: 900;
  margin-left: 9px;
}

#conditions-grid *:backdrop {
  color: $text-secondary;
}

.content-view.cell {
  font-weight: bold;
}

#locationEntry {
  margin: 0;
  padding-bottom: $space-size;
}

.weather-popover {
  margin-top: $space-size;
}

.forecast-card {
  transition: border-radius 100ms ease-out;
  border-radius: $corner-radius;
}

.forecast-card separator {
  background-color: $border;
}

#daily-forecast-box {
  > separator:last-child {
    background-color: transparent;
    min-width: 0;
  }
}

#conditions-grid,
#attributionGrid {
  margin-left: $space-size * 3;
  margin-right: $space-size * 3;
}

#weather-page .small .forecast-card {
  margin-left: 0;
  margin-right: 0;
  border-radius: 0;
  border-width: 1px 0;
}

.forecast-temperature-label {
  font-weight: bold;
  color: $weather_forecast_color;
}

WeatherThermometer {
  margin-bottom: $space-size * 2;
}

WeatherThermometer > label.high {
  font-weight: bold;
  color: $weather_thermometer_high_color;
}

WeatherThermometer > label.low {
  font-weight: bold;
  color: $weather_thermometer_low_color;
}

.forecast-button {
  margin: 0 $space-size * 2;
}

.forecast-graphic {
  margin: $space-size * 3;
}

button.osd.circular {
  border-radius: $circular-radius;
  min-width: $small-size;
  min-height: $small-size;
}

button.osd.circular > image {
  padding: 0;
}

scrolledwindow.inline list,
scrolledwindow.inline listview {
  background: none;
  color: inherit;
}

scrolledwindow.inline undershoot.top {
  box-shadow: inset 0 1px $border;
}

.search-view {
  background-color: $blue-dark;
  color: on($blue-dark);
}

.search-view menubutton button:focus:focus-visible {
  outline-color: rgba(white, 0.3);
}

image.circular {
  min-width: $medium-size;
  min-height: $medium-size;
  padding: 0;
  border-radius: $circular-radius;
}

//
// Polari
//
.polari-room-list {
  .sidebar {
    background: none;

    > row.activatable:selected {
      background-color: $primary;
      color: $primary-text;
    }
  }

  popover.background {

    > arrow,
    > contents {
      padding: 0;
    }
  }
}

//
// Builder
//

window.org-gnome-Builder {
  headerbar {
    splitbutton {
      notification button {
        margin: 0;
        min-height: $small-size;
        min-width: $small-size;
        padding: 0;
      }
    }
  }
}

popover.background.global-search {

  > arrow,
  > contents {
    padding: 0;
  }
}

panelframeswitcher {
  padding: $space-size;
  border-bottom: 1px solid $border;
}

panelframetabbar {
  border-bottom: none;
}

.frameheader.header {
  min-height: $small-size;
  background-color: $fill;

  > button {
    border: none;
    margin: 0;
    padding: $space-size / 2;
  }

  tabbar.inline {
    > revealer > box {
      min-height: $small-size;

      .start-action {
        padding: 0;
        border: none;
      }

      .end-action {
        padding: 0;
        border-left: 1px solid $border;

        menubutton > button {
          margin: $space-size / 2;
          min-height: $small-size;
          min-width: $small-size;
          padding: $space-size;
          border-radius: $corner-radius;
        }
      }

      tabbox {
        border: none;
        background: none;
      }
    }
  }
}

// panelframe {
//   tabview > stack {
//     background-color: $fill;
//
//     textview.sourceview.view {
//       background-color: $fill;
//     }
//   }
// }

panelstatusbar {
  background-color: $background;

  > menubutton > button,
  > paneltogglebutton button.image-button {
    border-radius: 0;
  }
}

// Setting window
.style-variant {
  padding: 0 $space-size * 2;

  button.toggle {
    padding: 0;

    &, &:hover, &:focus, &:active, &:checked {
      background: none;
      outline: none;
      border: none;
      box-shadow: none;
    }

    > stylevariantpreview > .wallpaper {
      border-radius: $corner-radius;
      outline-color: transparent;
      outline-width: 3px;
      outline-offset: $space-size / 2;
      outline-style: solid;
      box-shadow: none;
    }

    &:hover > stylevariantpreview > .wallpaper {
      outline-color: $fill;
    }

    &:active > stylevariantpreview > .wallpaper {
      outline-color: $track;
    }

    &:checked > stylevariantpreview > .wallpaper {
      outline-color: $primary;
    }
  }
}

//
// dialogs
//

window.dialog {
  > .dialog-vbox > box > scrolledwindow > viewport > widget {
    > list.boxed-list {
      border: none;
      border-radius: 0;

      > row {
        &:first-child, &:last-child {
          border-radius: 0;
        }
      }
    }
  }
}

//
// Extensions
//

popover.details-popover {
  > contents {
    padding: $space-size * 2;
  }
}

//
// Rnote
//

@function gtkcolor($c) {
  @return unquote("@#{$c}");
}

button.colorpad {
  padding: 0px;
  margin: 0px;
  background-blend-mode: screen;
  background-image: linear-gradient(45deg, #0f0f0f55 25%, transparent 25%, transparent 75%, #0f0f0f55 75%, #0f0f0f55),
    linear-gradient(45deg, #0f0f0f55 25%, transparent 25%, transparent 75%, #0f0f0f55 75%, #0f0f0f55);
  background-color: gtkcolor(colorpad_color);
  color: gtkcolor(colorpad_fg_color);
  background-size: 18px 18px;
  background-position: 0px 0px, 9px 9px;

  &:hover {
    filter: brightness(93%);
  }

  &:active {
    filter: brightness(86%);
  }

  &:checked {
    filter: brightness(100%);
  }
}

window#desktopwindow {
  background: none;
}

// ThemeSelector
themeselector, // Gnome text editor

panelthemeselector {
  // Gnome builder
  margin: $space-size * 1.5;

  checkbutton {
    padding: 0;
    min-height: 44px;
    min-width: 44px;
    padding: 1px;
    background-clip: content-box;
    border-radius: $circular-radius;
    box-shadow: inset 0 0 0 1px $border;

    &.follow:checked,
    &.light:checked,
    &.dark:checked {
      box-shadow: inset 0 0 0 2px $primary;
    }

    &.follow {
      background-image: linear-gradient(to bottom right, #ffffff 50%, #202020 50%);
    }

    &.light {
      background-color: #ffffff;
    }

    &.dark {
      background-color: #202020;
    }

    &.theme-selector radio {
      -gtk-icon-source: none;
      border: none;
      background: none;
      box-shadow: none;
      min-height: 20px;
      min-width: 20px;
      padding: 0;
      margin: 0;

      &:hover, &:active, &:checked {
        background-color: transparent;
        background-image: none;
      }

      &:checked {
        -gtk-icon-size: 20px;
        -gtk-icon-source: -gtk-scaled(-gtk-recolor(url("assets/scalable/select-symbolic.svg")), -gtk-recolor(url("assets/scalable/select-symbolic@2.svg")));
        color: $primary-text;
        background-color: $primary;

        &, &:hover, &:active {
          box-shadow: 0 2px 3px -1px rgba(black, 0.08), 0 1px 2px 0 rgba(black, 0.1);
        }
      }
    }
  }
}

themeswitcher {
  // Gnome console
  padding: $space-size;

  .check {
    min-height: 20px;
    min-width: 20px;
    background: none;
    padding: 0;
    margin: 0;
    border-radius: $circular-radius;
    color: $primary-text;
    background-color: $primary;

    &, &:hover, &:active {
      box-shadow: 0 2px 3px -1px rgba(black, 0.08), 0 1px 2px 0 rgba(black, 0.1);
    }
  }

  checkbutton {
    padding: 0;
    min-height: 44px;
    min-width: 44px;
    padding: 1px;
    background-clip: content-box;
    border-radius: $circular-radius;
    box-shadow: inset 0 0 0 1px $border;

    &:checked {
      box-shadow: inset 0 0 0 2px $primary;
    }

    radio {
      &, &:hover, &:active, &:checked, &:checked:hover, &:checked:active {
        background-color: transparent;
        border: none;
        background: none;
        box-shadow: none;
        color: transparent;
        -gtk-icon-source: none;
        -gtk-icon-size: 0;
      }
    }

    &.system {
      background: linear-gradient(-45deg, #1e1e1e 50%, white 50%);
    }

    &.light {
      color: gtkalpha(black, .8);
      background-color: white;
    }

    &.dark {
      color: white;
      background-color: #1e1e1e;
    }
  }
}

// Sticky note
styleselector {
  checkbutton {
    padding: 0;
    min-height: 44px;
    min-width: 44px;
    padding: 0;
    background-clip: content-box;
    border-radius: $circular-radius;
    box-shadow: inset 0 0 0 1px $border;

    &:hover {
      box-shadow: inset 0 0 0 2px $border;
    }

    &:checked {
      box-shadow: inset 0 0 0 2px $primary;
    }

    > radio {
      min-height: 20px;
      min-width: 20px;
      padding: 0;
      margin: 0;

      &, &:hover, &:focus, &:not(:focus) {
        color: transparent;
        border: none;
        background: none;
        box-shadow: none;
        -gtk-icon-source: none;
        -gtk-icon-size: 0;
      }

      &:checked, &:active {
        &, &:hover, &:focus, &:not(:focus) {
          -gtk-icon-size: 20px;
          -gtk-icon-source: -gtk-scaled(-gtk-recolor(url("assets/scalable/select-symbolic.svg")), -gtk-recolor(url("assets/scalable/select-symbolic@2.svg")));
          color: $primary-text;
          background-color: $primary;
          box-shadow: 0 2px 3px -1px rgba(black, 0.08), 0 1px 2px 0 rgba(black, 0.1);
        }
      }
    }
  }
}

.note-window {
  headerbar {
    &, &:backdrop {
      box-shadow: none;
    }
  }

  &.style-yellow {
    &, .text-view.view, .text-view.view > text, headerbar {
      background-color: $yellow-light;
      color: on($yellow-light);
    }

    * {
      color: on($yellow-light);
    }

    .text-view.view > text > selection {
      background-color: on($yellow-light, track);
    }

    popover {

      > arrow,
      > contents {
        background-color: lighten($yellow-light, 10%);
        color: on($yellow-light);
      }
    }
  }

  &.style-pink {
    &, .text-view.view, .text-view.view > text, headerbar {
      background-color: $pink-light;
      color: on($pink-light);
    }

    * {
      color: on($pink-light);
    }

    .text-view.view > text > selection {
      background-color: on($pink-light, track);
    }

    popover {

      > arrow,
      > contents {
        background-color: lighten($pink-light, 10%);
        color: on($pink-light);
      }
    }
  }

  &.style-green {
    &, .text-view.view, .text-view.view > text, headerbar {
      background-color: $green-light;
      color: on($green-light);
    }

    * {
      color: on($green-light);
    }

    .text-view.view > text > selection {
      background-color: on($green-light, track);
    }

    popover {

      > arrow,
      > contents {
        background-color: lighten($green-light, 10%);
        color: on($green-light);
      }
    }
  }

  &.style-purple {
    &, .text-view.view, .text-view.view > text, headerbar {
      background-color: $purple-light;
      color: on($purple-light);
    }

    * {
      color: on($purple-light);
    }

    .text-view.view > text > selection {
      background-color: on($purple-light, track);
    }

    popover {

      > arrow,
      > contents {
        background-color: lighten($purple-light, 10%);
        color: on($purple-light);
      }
    }
  }

  &.style-blue {
    &, .text-view.view, .text-view.view > text, headerbar {
      background-color: $blue-light;
      color: on($blue-light);
    }

    * {
      color: on($blue-light);
    }

    .text-view.view > text > selection {
      background-color: on($blue-light, track);
    }

    popover {

      > arrow,
      > contents {
        background-color: lighten($blue-light, 10%);
        color: on($blue-light);
      }
    }
  }

  &.style-gray {
    &, .text-view.view, .text-view.view > text, headerbar {
      background-color: $grey-500;
      color: on($grey-500);
    }

    * {
      color: on($grey-500);
    }

    .text-view.view > text > selection {
      background-color: on($grey-500, track);
    }

    popover {

      > arrow,
      > contents {
        background-color: lighten($grey-500, 10%);
        color: on($grey-500);
      }
    }
  }

  &.style-charcoal {
    &, .text-view.view, .text-view.view > text, headerbar {
      background-color: #333333;
      color: white;
    }

    * {
      color: white;
    }

    .text-view.view > text > selection {
      background-color: on(#333333, track);
    }

    popover {

      > arrow,
      > contents {
        background-color: #444444;
        color: white;
      }
    }
  }
}

//
// Chrome
//

window.background.chromium {
  background-color: $base;

  headerbar.header-bar.titlebar {
    padding: 0 $space-size * 2;
    background-color: $background;
    color: $text;
    border-radius: $window-radius $window-radius 0 0;
    box-shadow: inset 0 1px 0 rgba(white, 0.1);
    border: none;

    &:backdrop {
      background-color: $background;
      color: $text-disabled;
      box-shadow: inset 0 1px 0 rgba(white, 0.1);
      border: none;
    }

    button.titlebutton {
      min-height: $small-size;
      min-width: $small-size;
      margin: $space-size $space-size / 2;
      padding: 0;
    }
  }
}

//
// io.bassi.Amberol
//

.main-window {
  background: linear-gradient(127deg, color-mix(in srgb, var(--background-color-0) 55%, transparent), color-mix(in srgb, var(--background-color-0) 0%, transparent) 70.71%),
    linear-gradient(217deg, color-mix(in srgb, var(--background-color-1) 55%, transparent), color-mix(in srgb, var(--background-color-1) 0%, transparent) 70.71%),
    linear-gradient(336deg, color-mix(in srgb, var(--background-color-2) 55%, transparent), color-mix(in srgb, var(--background-color-2) 0%, transparent) 70.71%);
  transition-property: background;
  transition-duration: 250ms;
  transition-timing-function: ease;

  .content-pane, .sidebar-pane {
    &, &:backdrop {
      background-color: transparent;
    }
  }
}

scrollbar,
scrollbar.overlay-indicator {
  border: none;

  &,
  &.dragging,
  &.hovering {
    background-color: transparent;
  }
}

.main-window > overlay-split-view > widget.background > playlistview {
  background: linear-gradient(127deg, color-mix(in srgb, var(--background-color-0) 55%, transparent), color-mix(in srgb, var(--background-color-0) 0%, transparent) 70.71%),
    linear-gradient(217deg, color-mix(in srgb, var(--background-color-1) 55%, transparent), color-mix(in srgb, var(--background-color-1) 0%, transparent) 70.71%),
    linear-gradient(336deg, color-mix(in srgb, var(--background-color-2) 55%, transparent), color-mix(in srgb, var(--background-color-2) 0%, transparent) 70.71%),
    var(--window-bg-color);
  transition-property: background;
  transition-duration: 250ms;
  transition-timing-function: ease;
}

.main-window volume > scale trough highlight {
  background: color-mix(in srgb, var(--accent-bg-color) var(--dim-opacity), transparent);
}

.main-window songcover picture.cover {
  background: linear-gradient(to bottom, var(--background-color-0), var(--background-color-1));
}

.drag-overlay-status-page {
  background-color: color-mix(in srgb, var(--accent-bg-color) 50%, transparent);
  color: var(--accent-fg-color);
  padding: 32px;
}