signal-desktop/stylesheets/components/LeftPaneDialog.scss

@keyframes progress-animation {
  0% {
    background-position: 100%;
  }
  100% {
    background-position: -100%;
  }
}

.LeftPaneDialog {
  align-items: center;
  background: $color-ultramarine;
  color: $color-white;
  display: flex;
  min-height: 64px;
  padding: 12px 18px;

  &__container {
    display: flex;
    align-items: center;
    flex-grow: 1;
  }

  &__container-close {
    display: flex;
    justify-content: flex-end;
  }

  &__spinner-container {
    margin-right: 18px;
  }

  &__spinner {
    &__arc {
      background-color: $color-black;
    }

    &__circle {
      background-color: $color-accent-yellow;
    }
  }

  &__icon {
    width: 20px;
    height: 20px;
    margin-right: 18px;
    background-color: $color-white;

    &--relink {
      -webkit-mask: url('../images/icons/v2/link-broken-16.svg') no-repeat
        center;
    }

    &--network {
      -webkit-mask: url('../images/icons/v2/offline-22.svg') no-repeat center;
    }

    &--update {
      -webkit-mask: url('../images/icons/v2/refresh-24.svg') no-repeat center;
    }
  }

  &__action-text {
    @include button-reset;
    text-decoration: none;
  }

  &__close-button {
    @include button-reset;

    border-radius: 4px;
    float: right;
    height: 24px;
    width: 24px;

    &::before {
      -webkit-mask: url('../images/icons/v2/x-24.svg') no-repeat center;
      background-color: $color-white;
      content: '';
      display: block;
      width: 100%;
      height: 100%;
    }

    &:hover,
    &:focus {
      background-color: $color-white-alpha-20;
    }
    &:active {
      background-color: $color-white-alpha-20;
    }
  }

  &__message {
    width: 100%;

    h3 {
      @include font-body-1-bold;
      padding: 0px;
      margin: 0px;
      margin-bottom: 8px;
    }
    span {
      @include font-body-1;
      display: inline-block;
    }
    a {
      font-weight: bold;
      text-decoration: none;
    }
  }

  &--error {
    background-color: $color-accent-red;
  }

  &--warning {
    background-color: $color-accent-yellow;
    color: $color-black;

    a {
      color: $color-black;
    }

    .LeftPaneDialog__icon {
      background-color: $color-black;
    }

    .LeftPaneDialog__close-button::before {
      background-color: $color-black;
    }
  }

  &__progress {
    &--container {
      background: $color-white-alpha-20;
      border-radius: 2px;
      height: 4px;
      max-width: 210px;
      overflow: hidden;
      width: 100%;
    }

    &--bar {
      animation: progress-animation 2s linear infinite;
      background: linear-gradient(
        90deg,
        $color-white-alpha-40,
        $color-white-alpha-60,
        $color-white-alpha-90,
        $color-white-alpha-60,
        $color-white-alpha-40
      );
      background-size: 200% 100%;
      border-radius: 2px;
      display: block;
      height: 100%;
      transition: width 500ms ease-out;
    }
  }
}