mastodon/app/javascript/flavours/glitch/styles/components/media.scss

.video-error-cover {
  align-items: center;
  background: $base-overlay-background;
  color: $primary-text-color;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: center;
  margin-top: 8px;
  position: relative;
  text-align: center;
  z-index: 100;
}

.media-spoiler {
  background: $base-overlay-background;
  color: $ui-primary-color;
  border: 0;
  width: 100%;
  height: 100%;

  &:hover,
  &:active,
  &:focus {
    color: lighten($ui-primary-color, 8%);
  }

  .status__content > & {
    margin-top: 15px; // Add margin when used bare for NSFW video player
  }
  @include fullwidth-gallery;
}

.media-spoiler__warning {
  display: block;
  font-size: 14px;
}

.media-spoiler__trigger {
  display: block;
  font-size: 11px;
  font-weight: 500;
}

.media-gallery__gifv__label {
  display: block;
  position: absolute;
  color: $primary-text-color;
  background: rgba($base-overlay-background, 0.5);
  bottom: 6px;
  left: 6px;
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 11px;
  font-weight: 600;
  z-index: 1;
  pointer-events: none;
  opacity: 0.9;
  transition: opacity 0.1s ease;
}

.media-gallery__gifv {
  &.autoplay {
    .media-gallery__gifv__label {
      display: none;
    }
  }

  &:hover {
    .media-gallery__gifv__label {
      opacity: 1;
    }
  }
}

.media-gallery {
  box-sizing: border-box;
  margin-top: 8px;
  overflow: hidden;
  position: relative;
  background: $base-shadow-color;
  width: 100%;
  height: 110px;

  .detailed-status & {
    margin-left: -22px;
    width: calc(100% + 44px);
    height: 250px;
  }

  @include fullwidth-gallery;
}

.media-gallery__item {
  border: none;
  box-sizing: border-box;
  display: block;
  float: left;
  position: relative;

  &.standalone {
    .media-gallery__item-gifv-thumbnail {
      transform: none;
    }
  }
}

.media-gallery__item-thumbnail {
  cursor: zoom-in;
  display: block;
  text-decoration: none;
  height: 100%;
  line-height: 0;

  &,
  img {
    height: 100%;
    width: 100%;
    object-fit: contain;

    &:not(.letterbox) {
      height: 100%;
      object-fit: cover;
    }
  }
}

.media-gallery__gifv {
  height: 100%;
  overflow: hidden;
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
}

.media-gallery__item-gifv-thumbnail {
  cursor: zoom-in;
  height: 100%;
  width: 100%;
  position: relative;
  z-index: 1;
  object-fit: contain;

  &:not(.letterbox) {
    height: 100%;
    object-fit: cover;
  }
}

.media-gallery__item-thumbnail-label {
  clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
  clip: rect(1px, 1px, 1px, 1px);
  overflow: hidden;
  position: absolute;
}

.media-modal {
  max-width: 80vw;
  max-height: 80vh;
  position: relative;

  .extended-video-player,
  img,
  canvas,
  video {
    max-width: 80vw;
    max-height: 80vh;
    width: auto;
    height: auto;
    margin: auto;
  }

  .extended-video-player,
  video {
    display: flex;
    width: 80vw;
    height: 80vh;
  }

  img,
  canvas {
    display: block;
    background: url('~images/void.png') repeat;
    object-fit: contain;
  }

  .react-swipeable-view-container {
    max-width: 80vw;
  }
}

.media-modal__content {
  background: $base-overlay-background;
}

.media-modal__pagination {
  width: 100%;
  text-align: center;
  position: absolute;
  left: 0;
  bottom: -40px;
}

.media-modal__page-dot {
  display: inline-block;
}

.media-modal__button {
  background-color: $white;
  height: 12px;
  width: 12px;
  border-radius: 6px;
  margin: 10px;
  padding: 0;
  border: 0;
  font-size: 0;
}

.media-modal__button--active {
  background-color: $ui-highlight-color;
}

.media-modal__close {
  position: absolute;
  right: 4px;
  top: 4px;
  z-index: 100;
}

.video-player {
  overflow: hidden;
  position: relative;
  background: $base-shadow-color;
  max-width: 100%;

  .detailed-status & {
    width: 100%;
    height: 100%;
  }

  @include fullwidth-gallery;

  video {
    height: 100%;
    width: 100%;
    z-index: 1;
    object-fit: cover;
    position: relative;
  }

  &.fullscreen {
    width: 100% !important;
    height: 100% !important;
    margin: 0;

    video {
      max-width: 100% !important;
      max-height: 100% !important;
    }
  }

  &.inline {
    video {
      object-fit: cover;
      position: relative;
      top: 50%;
      transform: translateY(-50%);
    }
  }

  &__controls {
    position: absolute;
    z-index: 2;
    bottom: 0;
    left: 0;
    right: 0;
    box-sizing: border-box;
    background: linear-gradient(0deg, rgba($base-shadow-color, 0.85) 0, rgba($base-shadow-color, 0.45) 60%, transparent);
    padding: 0 15px;
    opacity: 0;
    transition: opacity .1s ease;

    &.active {
      opacity: 1;
    }
  }

  &.inactive {
    video,
    .video-player__controls {
      visibility: hidden;
    }
  }

  &__spoiler {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 4;
    border: 0;
    background: $base-shadow-color;
    color: $ui-primary-color;
    transition: none;
    pointer-events: none;

    &.active {
      display: block;
      pointer-events: auto;

      &:hover,
      &:active,
      &:focus {
        color: lighten($ui-primary-color, 8%);
      }
    }

    &__title {
      display: block;
      font-size: 14px;
    }

    &__subtitle {
      display: block;
      font-size: 11px;
      font-weight: 500;
    }
  }

  &__buttons-bar {
    display: flex;
    justify-content: space-between;
    padding-bottom: 10px;
  }

  &__buttons {
    font-size: 16px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;

    &.left {
      button {
        padding-left: 0;
      }
    }

    &.right {
      button {
        padding-right: 0;
      }
    }

    button {
      background: transparent;
      padding: 2px 10px;
      font-size: 16px;
      border: 0;
      color: rgba($white, 0.75);

      &:active,
      &:hover,
      &:focus {
        color: $white;
      }
    }
  }

  &__time-sep,
  &__time-total,
  &__time-current {
    font-size: 14px;
    font-weight: 500;
  }

  &__time-current {
    color: $white;
    margin-left: 10px;
  }

  &__time-sep {
    display: inline-block;
    margin: 0 6px;
  }

  &__time-sep,
  &__time-total {
    color: $white;
  }

  &__seek {
    cursor: pointer;
    height: 24px;
    position: relative;

    &::before {
      content: "";
      width: 100%;
      background: rgba($white, 0.35);
      border-radius: 4px;
      display: block;
      position: absolute;
      height: 4px;
      top: 10px;
    }

    &__progress,
    &__buffer {
      display: block;
      position: absolute;
      height: 4px;
      border-radius: 4px;
      top: 10px;
      background: lighten($ui-highlight-color, 8%);
    }

    &__buffer {
      background: rgba($white, 0.2);
    }

    &__handle {
      position: absolute;
      z-index: 3;
      opacity: 0;
      border-radius: 50%;
      width: 12px;
      height: 12px;
      top: 6px;
      margin-left: -6px;
      transition: opacity .1s ease;
      background: lighten($ui-highlight-color, 8%);
      box-shadow: 1px 2px 6px rgba($base-shadow-color, 0.2);
      pointer-events: none;

      &.active {
        opacity: 1;
      }
    }

    &:hover {
      .video-player__seek__handle {
        opacity: 1;
      }
    }
  }

&.detailed,
&.fullscreen {
  .video-player__buttons {
    button {
      padding-top: 10px;
      padding-bottom: 10px;
    }
  }
}
}

.media-spoiler-video {
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  cursor: pointer;
  margin-top: 8px;
  position: relative;

  @include fullwidth-gallery;

  border: 0;
  display: block;
}

.media-spoiler-video-play-icon {
  border-radius: 100px;
  color: rgba($primary-text-color, 0.8);
  font-size: 36px;
  left: 50%;
  padding: 5px;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
}