firefox/browser/components/genai/content/link-preview-card.css

/**
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

.og-card {
    --og-main-font-size: 1.4rem;
    background-color: light-dark(rgba(0,0,0,0.05), rgba(255,255,255,0.05));
    font-size: 1.2em;
}

.og-card-img {
    border-radius: var(--border-radius-small);
    height: 100px;
    object-fit: cover;
    width: 100%;
}

.og-card-content {
    background-color: var(--panel-background);
    border-bottom: 1px solid var(--panel-border-color);
    color: var(--text-color-deemphasized);
    display: flex;
    flex-direction: column;
    gap: var(--space-large);
    padding: var(--og-padding);
}

.og-card-title {
    color: var(--panel-color);
    font-size: var(--og-main-font-size);
    font-weight: var(--font-weight-bold);
    margin: 0;
    overflow: hidden;
    -webkit-line-clamp: 3;
}

.og-card-description {
    color: var(--panel-color);
    font-size: var(--og-main-font-size);
    margin: 0;
    overflow: hidden;
    -webkit-line-clamp: 3;
}

.og-error-message {
  font-size: var(--og-main-font-size);
  margin-block: 0 var(--space-medium);
}

.ai-content {
  position: relative;
  padding: var(--og-padding);

  .og-error-message-container {
      font-size: var(--og-main-font-size);
      margin: 0;

      .og-error-message {
          color: var(--text-color-deemphasized);
      }

      a {
          color: var(--text-color-deemphasized);
      }
  }

  .keypoints-header {
      display: flex;
      font-size: var(--og-main-font-size);
      font-weight: var(--font-weight-bold);
      gap: var(--space-xs);
      margin: 0;
      user-select: none;
      /* TODO: this could have been handled with just ::before with { content: '', icon stuff }*/
      .chevron-icon {
          background-image: url("chrome://global/skin/icons/arrow-down.svg");
          background-position: center;
          background-repeat: no-repeat;
          background-size: contain;
          display: inline-block;
          fill: currentColor;
          height: 16px;
          margin-inline-end: 8px;
          -moz-context-properties: fill;
          transform: rotateZ(0deg);
          transition: transform 0.3s ease;
          width: 16px;
      }
  }

  .keypoints-header:has(+ .keypoints-content:not(.hidden)) .chevron-icon {
    transform: rotateZ(180deg);
  }

  img.icon {
      fill: currentColor;
      height: var(--icon-size-default);
      margin-inline-start: var(--space-xlarge);
      -moz-context-properties: fill;
      pointer-events: none;
      width: var(--icon-size-default);
  }

  .keypoints-content {
      max-height: 1000px;
      overflow: hidden;
      padding-inline-start: 0.05rem; /*  custom adjustment to align with chevron icon */
      transition: max-height 0.3s ease;

      &.hidden {
          max-height: 0;
          overflow: hidden;
      }


      > ul {
          font-size: var(--og-main-font-size);
          line-height: 1.15;  /* Design requires 18px line-height */
          list-style-type: square;
          padding-inline-start: var(--space-xlarge);
      }

      li {
          margin-block: var(--space-medium);
          padding-inline-start: 5px;
          &::marker {
              color: var(--border-color-deemphasized);
          }
      }

      .visit-link-container {
          align-items: center;
          display: flex;
          justify-content: flex-end;
          margin-top: var(--space-xlarge);

          .visit-link {
              align-items: center;
              display: flex;
              font-size: var(--og-main-font-size);
              font-weight: var(--font-weight-bold);
              gap: var(--space-xs);
          }
      }

      > hr {
          border-color: var(--border-color-card);
          margin-block: var(--space-xlarge);
      }

      > p {
          margin-block: var(--space-medium) 0;
      }
  }
}

/**
 * Defines the animation for the loading state of link preview keypoints
 * Creates a smooth gradient animation that moves from right to left
 * to indicate content is being loaded
 */
@keyframes link-preview-keypoints-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.keypoints-list {
  .content-item {
    margin-bottom: var(--space-xlarge);
    width: 100%;

    &.loading {
      div {
        --skeleton-loader-background-color: var(--tab-group-suggestions-loading-animation-color-1);
        --skeleton-loader-motion-element-color: var(--tab-group-suggestions-loading-animation-color-2);
        animation: link-preview-keypoints-loading 3s infinite;
        background: linear-gradient(
          100deg,
          var(--skeleton-loader-background-color) 30%,
          var(--skeleton-loader-motion-element-color) 50%,
          var(--skeleton-loader-background-color) 70%
        );
        background-size: 200% 100%;
        border-radius: 5px;
        height: var(--og-main-font-size);
        margin-bottom: 4px;
        width: 100%;
         /* Add non-impactful references to the CSS variables to satisfy the test browser_parsable_css */
        outline-color: var(--skeleton-loader-background-color);
        border-color: var(--skeleton-loader-motion-element-color);
      }

      &.static div {
        animation: none;
        background: var(--skeleton-loader-background-color);
      }

      div:nth-of-type(1) {
        max-width: 95%;
      }

      div:nth-of-type(2) {
        max-width: 98%;
      }

      div:nth-of-type(3) {
        max-width: 90%;
      }
    }
  }
}

.reading-time-settings-container {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

model-optin {
  --font-size-xxlarge: var(--og-main-font-size);
  --optin-wrapper-box-shadow: 0 0 4px rgba(0, 0, 0, 0.25);
  inset-inline: 0;
  margin-inline: auto;
  position: absolute;
  top: 60px;
  width: 75%;
  z-index: 10;
}