signal-desktop/stylesheets/components/NavTabs.scss

// Copyright 2023 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only

$NavTabs__ToggleButton__blockPadding: 4px;
$NavTabs__ItemIcon__size: 20px;
$NavTabs__ProfileAvatar__size: 28px;

// This effectively wraps the entire app
.NavTabs__Container {
  position: relative;
  z-index: 0;
  display: flex;
  width: 100%;
  height: 100%;
}

.NavTabs {
  display: flex;
  flex-shrink: 0;
  flex-direction: column;
  align-items: center;
  width: $NavTabs__width;
  height: 100%;
  padding-top: var(--title-bar-drag-area-height);
  @include light-theme {
    background-color: $color-gray-04;
    border-inline-end: 1px solid $color-black-alpha-16;
  }
  @include dark-theme {
    background-color: $color-gray-80;
    border-inline-end: 1px solid $color-white-alpha-16;
  }
}

.NavTabs--collapsed {
  display: none;
}

// Wraps .NavTabs__ItemButton to make the hitbox larger
.NavTabs__Item {
  width: 100%;
  padding-block: $NavTabs__Item__blockPadding;
  padding-inline: 10px;
  border: none;
  background: transparent;
  cursor: pointer;
  &:focus {
    // Handled by .NavTabs__ItemButton
    outline: none;
  }
  &.NavTabs__Toggle {
    padding-block: calc(
      $NavTabs__Item__blockPadding + $NavTabs__ItemButton__blockPadding -
        $NavTabs__ToggleButton__blockPadding
    );
  }
}

.NavTabs__ItemButton {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: $NavTabs__ItemButton__blockPadding;
  border-radius: 8px;
  .NavTabs__Item:hover &,
  .NavTabs__Item:focus-visible & {
    @include light-theme {
      background-color: $color-black-alpha-06;
    }
    @include dark-theme {
      background-color: $color-white-alpha-06;
    }
  }
  .NavTabs__Item:focus-visible & {
    box-shadow: 0 0 0 2px $color-ultramarine;
  }
  .NavTabs__Item:active &,
  .NavTabs__Item[aria-selected='true'] & {
    @include light-theme {
      background: $color-gray-20;
    }
    @include dark-theme {
      background: $color-gray-62;
    }
  }

  .NavTabs__Toggle & {
    width: fit-content;
    padding: $NavTabs__ToggleButton__blockPadding;
    margin-block: 0;
    margin-inline: auto;
    border-radius: 4px;
  }
  .NavTabs__Item--Profile & {
    // Normalize for the size difference of the avatar vs sidebar icons
    padding-block: calc(
      $NavTabs__ItemButton__blockPadding -
        (($NavTabs__ProfileAvatar__size - $NavTabs__ItemIcon__size) / 2)
    );
  }
}

.NavTabs__ItemContent {
  display: inline-flex;
  position: relative;
}

.NavTabs__ItemLabel {
  @include sr-only;
}

.NavTabs__ItemBadge {
  @include rounded-corners;
  align-items: center;
  background-color: $color-accent-red;
  color: $color-white;
  display: flex;
  font-size: 10px;
  height: 16px;
  justify-content: center;
  min-width: 16px;
  overflow: hidden;
  padding-block: 0;
  padding-inline: 2px;
  position: absolute;
  inset-inline-end: -6px;
  top: -4px;
  user-select: none;
  z-index: $z-index-base;
  word-break: keep-all;
}

.NavTabs__ItemIcon {
  display: block;
  width: $NavTabs__ItemIcon__size;
  height: $NavTabs__ItemIcon__size;
}

@mixin NavTabs__Icon($icon) {
  @include light-theme {
    @include color-svg($icon, $color-black);
  }
  @include dark-theme {
    @include color-svg($icon, $color-gray-15);
  }
}

.NavTabs__ItemIcon--Menu {
  @include NavTabs__Icon('../images/icons/v3/menu/menu.svg');
}

.NavTabs__ItemIcon--Settings {
  @include NavTabs__Icon('../images/icons/v3/settings/settings.svg');
}

.NavTabs__ItemIcon--Chats {
  @include NavTabs__Icon('../images/icons/v3/chat/chat.svg');
  .NavTabs__Item:active &,
  .NavTabs__Item[aria-selected='true'] & {
    @include NavTabs__Icon('../images/icons/v3/chat/chat-fill.svg');
  }
}

.NavTabs__ItemIcon--Calls {
  @include NavTabs__Icon('../images/icons/v3/phone/phone.svg');
  .NavTabs__Item:active &,
  .NavTabs__Item[aria-selected='true'] & {
    @include NavTabs__Icon('../images/icons/v3/phone/phone-fill.svg');
  }
}

.NavTabs__ItemIcon--Stories {
  @include NavTabs__Icon('../images/icons/v3/stories/stories.svg');
  .NavTabs__Item:active &,
  .NavTabs__Item[aria-selected='true'] & {
    @include NavTabs__Icon('../images/icons/v3/stories/stories-fill.svg');
  }
}

.NavTabs__ItemIconLabel {
  @include sr-only;
}

.NavTabs__TabList {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  flex: 1;
}

.NavTabs__Misc {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 8px;
}

.NavTabs__TabPanel {
  position: relative;
  display: flex;
  flex: 1;
  min-width: 0;
}

.NavTabs__AvatarBadge {
  background: $color-ultramarine;
  border-radius: 100%;
  border: 1px solid $color-white;
  height: 8px;
  width: 8px;
  position: absolute;
  top: 0;
  inset-inline-end: 0;
}