Colloid-gtk-theme/src/sass/gtk/apps/_libadwaita.scss

//
// avatar
//

avatar {
  border-radius: $circular-radius;
  font-weight: bold;

  // The list of colors to generate avatars.
  // Each avatar color is represented by a font color, a gradient start color and a gradient stop color.
  // There are 8 different colors for avtars in the list if you change the number of them you
  // need to update the NUMBER_OF_COLORS in src/adw-avatar.c.
  // The 2D list has this form: ((font-color, gradient-top-color, gradient-bottom-color)).
  $avatarcolorlist: (
   (#cfe1f5, #83b6ec, #337fdc), // blue
   (#caeaf2, #7ad9f1, #0f9ac8), // cyan
   (#cef8d8, #8de6b1, #29ae74), // green
   (#e6f9d7, #b5e98a, #6ab85b), // lime
   (#f9f4e1, #f8e359, #d29d09), // yellow
   (#ffead1, #ffcb62, #d68400), // gold
   (#ffe5c5, #ffa95a, #ed5b00), // orange
   (#f8d2ce, #f78773, #e62d42), // raspberry
   (#fac7de, #e973ab, #e33b6a), // magenta
   (#e7c2e8, #cb78d4, #9945b5), // purple
   (#d5d2f5, #9e91e8, #7a59ca), // violet
   (#f2eade, #e3cf9c, #b08952), // beige
   (#e5d6ca, #be916d, #785336), // brown
   (#d8d7d3, #c0bfbc, #6e6d71), // gray
  );

  @for $i from 1 through length($avatarcolorlist) {
    &.color#{$i} {
      $avatarcolor: nth($avatarcolorlist, $i);
      background-image: linear-gradient(nth($avatarcolor, 2), nth($avatarcolor, 3));
      color: nth($avatarcolor, 1);
    }
  }

  &.contrasted { color: white; }

  &.image { background: none; }
}

// Card
.card {
  @at-root %card, & {
    border-radius: $corner-radius;
    border: 1px solid $border;
    background-clip: border-box;
    color: $text-secondary;
    box-shadow: none;
    outline: none;
    background-color: $base;
    color: $text;
  }

  &.activatable {
    transition: $transition;

    &:hover {
      background-image: none;
      @include button(hover);
    }

    &:active {
      background-image: none;
      @include button(active);
    }
  }
}

//
// Toasts
//

toast {
  margin: $space-size * 2;
  margin-bottom: $space-size * 4;
  border-radius: $circular-radius;
  border-spacing: $space-size;
  padding: $space-size;
  box-shadow: $shadow-z6, inset 0 1px highlight($popover);
  background-color: $popover;
  color: on($popover);
  border: none;

  &:dir(ltr) { padding-left: $space-size * 2; }
  &:dir(rtl) { padding-right: $space-size * 2; }

  > label {
    margin: 0 $space-size;
  }
}

//
// viewswitcher
//

viewswitcher {
  margin: 0;
  border-spacing: $space-size / 2;

  &.wide {
    margin-top: $space-size;
    margin-bottom: $space-size;

    button.toggle {
      margin: 0;
    }
  }

  &.narrow button.toggle {
    border-radius: 0;
    margin: 0;

    &:focus-within, &:focus { box-shadow: none; }
  }

  button.toggle {
    font-weight: bold;
    padding: 0;

    > stack > box {
      &.narrow {
        font-size: 0.75rem;
        padding-top: $space-size;
        padding-bottom: $space-size - 2px;
        border-spacing: $space-size - 2px;

        > stack > label {
          padding-left: $space-size;
          padding-right: $space-size;
        }
      }

      &.wide {
        padding: 2px $space-size * 2;
        border-spacing: $space-size;
      }
    }
  }
}

// AdwViewSwitcherBar
viewswitcherbar actionbar > revealer > box {
  padding: 0;
}

// AdwViewSwitcherTitle
viewswitchertitle {
  margin-top: 0;
  margin-bottom: 0;

  viewswitcher {
    margin-left: $space-size * 2;
    margin-right: $space-size * 2;

    &.narrow {
      margin-top: 0;
      margin-bottom: 0;

      button.toggle {
        > stack > box {
          &.narrow {
            padding-top: 0;
            padding-bottom: 0;
            border-spacing: 0;
          }
        }
      }
    }

    &.wide {
      margin-top: $space-size;
      margin-bottom: $space-size;
    }
  }

  windowtitle {
    margin-top: 0;
    margin-bottom: 0;
  }

  .top-bar headerbar & viewswitcher {
    &.narrow {
      button.toggle {
        border-radius: 0 0 $corner-radius $corner-radius;
      }
    }
  }
}

// AdwIndicatorBin
indicatorbin {
  > indicator, > mask {
    min-width: $space-size;
    min-height: $space-size;
    border-radius: $circular-radius;
  }

  > indicator {
    margin: 1px;
    background-color: gtkalpha(currentColor, .4);

    > label {
      font-size: 0.6rem;
      font-weight: bold;
      padding: 1px 4px;
      color: white;
    }
  }

  > mask {
    padding: 1px;
    background: black;
  }

  &.needs-attention > indicator {
    background-color: $primary;

    > label { color: on($primary); }
  }
}


//
// preferencespage
//

preferencespage > scrolledwindow > viewport > clamp > box {
  margin: $space-size * 4 $space-size * 2;
  border-spacing: $space-size *4;
}

preferencesgroup > box {
  &, .labels {
    border-spacing: $space-size;
  }

  > box.header:not(.single-line) {
    margin-bottom: $space-size;
  }

  > box.single-line {
    min-height: 34px;
  }

  button.background-preview-button.toggle {
    padding: 0;
    background: none;
    box-shadow: none;
    outline-color: transparent;
    outline-width: 3px;
    outline-offset: $space-size / 2;
    outline-style: solid;

    &, > background-preview {
      border-radius: $corner-radius;
    }

    &:hover {
      outline-color: $fill;
    }

    &:active {
      outline-color: $track;
    }

    &:checked {
      outline-color: $primary;
    }
  }

  .cutout-button { background-color: $base-alt; }
}

//
// AdwAboutWindow
//

 window.about {
  .main-page {
    > viewport > clamp > box {
      margin: $space-size * 2;
      border-spacing: $space-size;

      > box {
        margin-top: $space-size * 3;
        border-spacing: $space-size * 3;
        margin-bottom: $space-size;
      }
    }

    .app-version {
      padding: $space-size / 2 $space-size * 3;
      color: $primary;
      border-radius: $corner-radius;
      margin-top: $space-size / 2;
    }
  }

  .subpage {
    > viewport > clamp > box {
      margin: $space-size * 3 $space-size * 2;
      border-spacing: $space-size * 3;
    }

    > clamp > textview {
      background: none;
      color: inherit;
    }
  }
}

//
// AdwStatusPage
//

statuspage {
  > scrolledwindow > viewport > box {
    margin: $space-size * 6 $space-size * 2;
    border-spacing: $space-size * 6;

    > clamp > box {
      border-spacing: $space-size * 2;

      > .icon {
        -gtk-icon-size: 128px;

        color: gtkalpha(currentColor, 0.55);

        &:disabled {
          opacity: 0.35;
        }

        &:not(:last-child) {
          margin-bottom: $space-size * 4;
        }
      }
    }
  }

  &.compact > scrolledwindow > viewport > box {
    margin: $space-size * 4 $space-size * 2;
    border-spacing: $space-size * 4;

    > clamp > box {
      > .icon {
        -gtk-icon-size: 96px;

        &:not(:last-child) {
          margin-bottom: $space-size * 2;
        }
      }

      > .title {
        font-size: 18pt;
      }
    }
  }
}

// Transition shadows
flap,
leaflet,
navigation-view,
overlay-split-view {
  @include transition-shadows($frame);
}

toolbarview.undershoot-top scrolledwindow {
  @include undershoot(top);
}

toolbarview.undershoot-bottom scrolledwindow {
  @include undershoot(bottom);
}

// Sidebar
.unfolded stacksidebar.sidebar { border: none; }

.sidebar-pane {
  background-color: $sidebar;
  color: on($sidebar);

  &:backdrop {
    color: on($sidebar, disabled);
    background-color: $sidebar-backdrop;
    transition: background-color $duration $ease-out;
  }

  .sidebar-pane {
    background-color: transparent;
    color: inherit;
  }

  .toolbar,
  .sidebar,
  .navigation-sidebar,
  searchbar > revealer > box {
    background-color: transparent;
    box-shadow: none;
    border: none;
  }

  @if $topbar == 'dark' and $variant == 'light' {
    button:not(.suggested-action):not(.destructive-action) { @extend %titlebar-button; }

    entry { @extend %titlebar-entry; }

    .dim-label { color: on($sidebar, disabled); }
  
    .navigation-sidebar {
      > row {
        color: on($sidebar, secondary);
  
        &:hover, &:active, &:focus, &:selected {
          color: on($sidebar);
        }
  
        &:disabled {
          color: on($sidebar, secondary-disabled);
        }
  
        button { @extend %titlebar-button; }
      }
    }
  
    placessidebar {
      background-color: transparent;

      .navigation-sidebar {
        > row {
          color: on($sidebar, secondary);

          image.sidebar-icon,
          label.sidebar-label {
            color: on($sidebar, secondary);
          }

          &:hover, &:active, &:focus, &:selected {
            color: on($sidebar);

            image.sidebar-icon,
            label.sidebar-label {
              color: on($sidebar);
            }
          }

          &:disabled {
            color: on($sidebar, secondary-disabled);

            image.sidebar-icon,
            label.sidebar-label {
              color: on($sidebar, secondary-disabled);
            }
          }

          button { @extend %titlebar-button; }
        }
      }
    }
  
    scrollbar {
      background-color: transparent;
  
      > range > trough {
        > slider {
          background-color: on($sidebar, disabled);
    
          &:hover { background-color: on($sidebar, secondary); }
    
          &:active { background-color: on($sidebar); }
    
          &:disabled { background-color: on($sidebar, secondary-disabled); }
        }
      }
  
      &.overlay-indicator {
        &:not(.dragging):not(.hovering) {
          > range > trough > slider {
            border: none;
          }
        }
  
        &.dragging,
        &.hovering {
          background-color: transparent;
        }
      }
    }
  }

  banner > revealer > widget {
    background-color: gtkmix($primary, $sidebar, 30%);
    color: $text;

    &:backdrop {
      background-color: gtkmix($primary, $sidebar, 30%);
    }
  }
}

%content-button-reset {
  color: $text-secondary;

  &:hover, &:focus:not(:hover):not(:active), &:active, &:checked { color: $text; }

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

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

  &:backdrop {
    color: $text-disabled;

    &:focus, &:hover, &:active { color: $text-secondary; }

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

    &:checked {
      color: $text-secondary;

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

.content-pane {
  @if $topbar == 'dark' and $variant == 'light' {
    headerbar {
      color: $text;

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

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

      @if $window_button == 'mac' {
        button:not(.suggested-action):not(.destructive-action):not(.close):not(.minimize):not(.maximize) {
          @extend %content-button-reset;
        }

        windowcontrols {
          > button:not(.suggested-action):not(.destructive-action) {
            &.minimize, &.maximize, &.close {
              &:backdrop {
                > image { background-color: $track; }

                &:hover, &:active {
                  color: $text-disabled;
                }
              }
            }
          }
        }
      } @else {
        button:not(.suggested-action):not(.destructive-action) {
          @extend %content-button-reset;
        }
      }

      entry {
        background-color: $fill;
        color: $text-secondary;

        &:hover, &:focus-within {
          color: $text;
        }

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

        > text {
          > placeholder {
            color: $text-disabled;
          }

          > block-cursor {
            color: $fill;
            background-color: $text;
          }
        }

        > image {
          color: $text-secondary;

          &:hover, &:active { color: $text; }

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

/* Middle pane in three-pane setups */
.content-pane .sidebar-pane,
.sidebar-pane .content-pane {
  background-color: $base;
  color: $text;

  &:backdrop {
    background-color: $background;
    transition: background-color $duration $ease-out;
  }

  banner > revealer > widget {
    background-color: gtkmix($primary, $base, 30%);
    color: $text;

    &:backdrop {
      background-color: gtkmix($primary, $base, 30%);
    }
  }
}

.sidebar-pane,
.content-pane .sidebar-pane,
.sidebar-pane .content-pane {
  &:dir(ltr), &.end:dir(rtl) {
    &, banner > revealer > widget {
      box-shadow: none;
      border-right: 1px solid $border;
    }
  }

  &:dir(rtl), &.end:dir(ltr) {
    &, banner > revealer > widget {
      box-shadow: none;
      border-left: 1px solid $border;
    }
  }
}

.sidebar-pane,
.content-pane,
.content-pane .sidebar-pane,
.sidebar-pane .content-pane {
  toolbarview.undershoot-top scrolledwindow {
    @include undershoot(top, $style: 'border');
  }

  toolbarview.undershoot-bottom scrolledwindow {
    @include undershoot(bottom, $style: 'border');
  }

  scrolledwindow {
    &.undershoot-top {
      @include undershoot(top, $style: 'border');
    }

    &.undershoot-bottom {
      @include undershoot(bottom, $style: 'border');
    }

    &.undershoot-start {
      &:dir(ltr) { @include undershoot(left, $style: 'border'); }
      &:dir(rtl) { @include undershoot(right, $style: 'border'); }
    }

    &.undershoot-end {
      &:dir(ltr) { @include undershoot(right, $style: 'border'); }
      &:dir(rtl) { @include undershoot(left, $style: 'border'); }
    }
  }

  flap,
  leaflet,
  navigation-view,
  overlay-split-view {
    @include transition-shadows($frame);
  }
}

.sidebar-pane,
.content-pane {
  headerbar, .top-bar {
    &, &:backdrop {
      background-color: transparent;
      box-shadow: none;
    }
  }

  tabbar {
    .box {
      &, &:backdrop {
        background-color: transparent;
        box-shadow: none;
      }
    }

    tab {
      color: $text-secondary;

      &:hover:not(:selected), &:active {
        color: $text;
      }

      &:selected:not(:active) {
        background-color: $overlay-selected;
        color: $text;
        box-shadow: none;
      }

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

    button.image-button {
      color: $text-secondary;

      &:hover, &:active {
        color: $text;
      }

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

// Gnome >= 45.0
.top-bar {
  box-shadow: inset 0 -1px $border;
  background-color: $titlebar;

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

  .collapse-spacing {
    padding: 0;
  }
}

// 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;

      &:hover, &:active, &:checked {
        background-color: transparent;
      }

      &:checked {
        -gtk-icon-size: 20px;
        -gtk-icon-source: -gtk-scaled(-gtk-recolor(url("assets/checkbox-checked-symbolic.svg")), -gtk-recolor(url("assets/checkbox-checked-symbolic@2.svg")));
        color: on($primary);
        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: $circular-radius;
    color: on($primary);
    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;
    }
  }
}