/* Mobile learning directory: a compact course switcher below Previous / Next. */
.mc-course-player__mobile-directory {
  display: none;
}

@media (max-width: 1050px) {
  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-directory {
    display: block;
    margin: 18px 0 0;
    border: 1px solid #2b3340;
    border-radius: 12px;
    overflow: hidden;
    background: #171c24;
    color: #dce2ea;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-directory-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 52px;
    padding: 0 16px;
    border-bottom: 1px solid #2b3340;
    background: #202631;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-directory-title strong {
    font-size: 16px;
    font-weight: 700;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-directory-title span {
    color: #8d98a8;
    font-size: 13px;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-directory-list {
    padding: 7px 8px 9px;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-topic + .mc-course-player__mobile-topic {
    border-top: 1px solid #252d38;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-topic-toggle {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 46px;
    padding: 8px 8px;
    gap: 7px;
    border: 0;
    background: transparent;
    color: #cbd2dc;
    text-align: left;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-topic-toggle:active {
    background: #252c36;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-topic-arrow {
    display: inline-grid;
    place-items: center;
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    color: #8290a2;
    font-size: 18px;
    line-height: 1;
    transition: transform .18s ease;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-topic.is-open .mc-course-player__mobile-topic-arrow {
    transform: rotate(90deg);
    color: #4d8dff;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-lessons {
    padding: 0 5px 6px 31px;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-item {
    display: flex;
    align-items: center;
    min-height: 42px;
    margin: 2px 0;
    padding: 7px 8px;
    gap: 8px;
    border-radius: 7px;
    background: transparent;
    color: #a2acba;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-item:active {
    background: #292f3a;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-item > span:nth-child(2) {
    min-width: 0;
    flex: 1 1 auto;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-check {
    display: grid;
    place-items: center;
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    border-radius: 50%;
    color: #7f8998;
    font-size: 11px;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-item:not(.is-complete):not(.is-active):not(.is-locked) .mc-course-player__mobile-check {
    border: 2px solid #687487;
    box-sizing: border-box;
    color: transparent;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-item.is-complete .mc-course-player__mobile-check {
    background: #22ad58;
    color: #fff;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-item.is-active {
    background: #303642;
    color: #eef2f7;
    box-shadow: inset 2px 0 0 #3984ff;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-item.is-active .mc-course-player__mobile-check {
    border: 2px solid #4d8cff;
    color: #4d8cff;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-item.is-locked {
    color: #697586;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-item small {
    margin-left: auto;
    padding: 3px 6px;
    border-radius: 5px;
    background: #3a3024;
    color: #e7a044;
    font-size: 9px;
    white-space: nowrap;
  }
}

@media (max-width: 600px) {
  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-directory {
    margin-top: 14px;
    border-radius: 10px;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-directory-title {
    min-height: 48px;
    padding: 0 14px;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-directory-list {
    padding: 5px 6px 7px;
  }

  body.mathcourse-site:has(.mc-course-player) .mc-course-player__mobile-item {
    font-size: 13px;
  }
}