discourse/app/assets/stylesheets/common/base/topic-summary.scss

.topic-map .toggle-summary {
  .summarization-buttons {
    display: flex;
    gap: 0.5em;
  }

  .ai-summary {
    &__list {
      list-style: none;
      display: flex;
      flex-wrap: wrap;
      padding: 0;
      margin: 0;
    }
    &__list-item {
      background: var(--primary-300);
      border-radius: var(--d-border-radius);
      margin-right: 8px;
      margin-bottom: 8px;
      height: 18px;
      opacity: 0;
      display: block;
      &:nth-child(1) {
        width: 10%;
      }

      &:nth-child(2) {
        width: 12%;
      }

      &:nth-child(3) {
        width: 18%;
      }

      &:nth-child(4) {
        width: 14%;
      }

      &:nth-child(5) {
        width: 18%;
      }

      &:nth-child(6) {
        width: 14%;
      }

      &:nth-child(7) {
        width: 22%;
      }

      &:nth-child(8) {
        width: 05%;
      }

      &:nth-child(9) {
        width: 25%;
      }

      &:nth-child(10) {
        width: 14%;
      }

      &:nth-child(11) {
        width: 18%;
      }

      &:nth-child(12) {
        width: 12%;
      }

      &:nth-child(13) {
        width: 22%;
      }

      &:nth-child(14) {
        width: 18%;
      }

      &:nth-child(15) {
        width: 13%;
      }

      &:nth-child(16) {
        width: 22%;
      }

      &:nth-child(17) {
        width: 19%;
      }

      &:nth-child(18) {
        width: 13%;
      }

      &:nth-child(19) {
        width: 22%;
      }

      &:nth-child(20) {
        width: 25%;
      }
      &.is-shown {
        opacity: 1;
      }
      &.show {
        animation: appear 0.5s cubic-bezier(0.445, 0.05, 0.55, 0.95) 0s forwards;
        @media (prefers-reduced-motion) {
          animation-duration: 0s;
        }
      }
      @media (prefers-reduced-motion: no-preference) {
        &.blink {
          animation: blink 0.5s cubic-bezier(0.55, 0.085, 0.68, 0.53) both;
        }
      }
    }
    &__generating-text {
      display: inline-block;
      margin-left: 3px;
    }
    &__indicator-wave {
      flex: 0 0 auto;
      display: inline-flex;
    }
    &__indicator-dot {
      display: inline-block;
      @media (prefers-reduced-motion: no-preference) {
        animation: ai-summary__indicator-wave 1.8s linear infinite;
      }
      &:nth-child(2) {
        animation-delay: -1.6s;
      }
      &:nth-child(3) {
        animation-delay: -1.4s;
      }
    }
  }

  .placeholder-summary {
    padding-top: 0.5em;
  }

  .placeholder-summary-text {
    display: inline-block;
    height: 1em;
    margin-top: 0.6em;
    width: 100%;
  }

  .summarized-on {
    text-align: right;

    .info-icon {
      margin-left: 3px;
    }
  }

  .outdated-summary {
    color: var(--primary-medium);
  }
}

@keyframes ai-summary__indicator-wave {
  0%,
  60%,
  100% {
    transform: initial;
  }
  30% {
    transform: translateY(-0.2em);
  }
}

@keyframes appear {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes blink {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}