signal-desktop/stylesheets/components/ConversationPanel.scss

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

.ConversationPanel {
  height: 100%;
  inset-inline-start: 0;
  overflow-y: overlay;
  position: absolute;
  top: 0;
  width: 100%;
  z-index: $z-index-above-base;

  @include light-theme() {
    background-color: $color-white;
  }

  @include dark-theme() {
    background-color: $color-gray-95;
  }

  &__body {
    margin-top: calc(#{$header-height} + var(--title-bar-drag-area-height));
    padding-inline: 24px;
  }

  &__header {
    align-items: center;
    display: flex;
    flex-direction: row;
    height: calc(#{$header-height} + var(--title-bar-drag-area-height));
    padding-top: var(--title-bar-drag-area-height);
    position: fixed;
    width: 100%;
    z-index: $z-index-base;

    @include light-theme {
      color: $color-gray-90;
      background-color: $color-white;
    }
    @include dark-theme {
      color: $color-gray-02;
      background-color: $color-gray-95;
    }

    &__info {
      display: flex;
      flex-direction: column;
      min-width: 0;

      &__title {
        @include font-body-1-bold;
        display: flex;
        align-items: center;

        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        user-select: none;

        &__in-contacts-icon {
          margin-inline-start: 4px;
        }
      }
    }

    &__back-button {
      border: none;
      display: inline-block;
      height: 20px;
      margin-inline: 24px 6px;
      min-width: 20px;
      opacity: 0;
      opacity: 1;
      vertical-align: text-bottom;
      -webkit-app-region: no-drag;
      width: 20px;

      &:disabled {
        cursor: default;
      }

      @include light-theme {
        @include color-svg(
          '../images/icons/v3/chevron/chevron-left.svg',
          $color-gray-90
        );
      }
      @include dark-theme {
        @include color-svg(
          '../images/icons/v3/chevron/chevron-left.svg',
          $color-gray-02
        );
      }

      @include keyboard-mode {
        &:focus {
          background-color: $color-ultramarine;
        }
      }
      @include dark-keyboard-mode {
        &:focus {
          background-color: $color-ultramarine-light;
        }
      }
    }
  }

  &__overlay {
    height: 100%;
    inset-inline-start: 0;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: $z-index-above-base;
  }

  &__hidden {
    display: none;
  }
}