/**
 * 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 {
  font: menu;
  --og-main-font-size: 15px;
  background-color: light-dark(rgba(0, 0, 0, 0.05), rgba(255, 255, 255, 0.05));
  font-size: 13px;
}

.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(--heading-font-weight);
  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(--heading-font-weight);
    gap: var(--space-xs);
    margin: 0;
    user-select: none;
  }
  .keypoints-header::before {
    content: "";
    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: var(--icon-size);
    margin-inline-end: var(--space-small);
    -moz-context-properties: fill;
    transform: rotateZ(0deg);
    width: var(--icon-size);
  }

  @media (prefers-reduced-motion: no-preference) {
    .keypoints-header::before {
      transition: transform 0.3s ease;
    }
  }

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

  &:dir(rtl) .keypoints-header:has(+ .keypoints-content:not(.hidden))::before {
    transform: rotateZ(180deg);
  }

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

  .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: var(--space-xlarge) var(--space-xsmall);
    }

    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-semibold);
        gap: var(--space-xs);
      }

      .visit-link::after {
        content: "";
        background-image: url("chrome://browser/skin/forward.svg");
        background-position: center;
        background-repeat: no-repeat;
        background-size: contain;
        display: inline-block;
        fill: currentColor;
        height: 16px;
        margin-inline-start: 8px;
        -moz-context-properties: fill;
        width: 16px;
      }

      &:dir(rtl) .visit-link::after {
        transform: scaleX(-1);
      }
    }

    > 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;
}
