:root {
  --pv2-bg-color: rgba(0, 0, 0, 0.9);
  --pv2-content-bg: rgba(0, 0, 0, 0.5);
  --pv2-info-bg: #000;
  --pv2-thumbnail-border: #888;
  --pv2-thumbnail-active: #ff0;
  --pv2-btn-bg: #fff;
  --pv2-btn-color: #000;
  --pv2-close-bg: #f00;
  --pv2-close-color: #fff;
  --pv2-nav-bg: #fff;
  --pv2-nav-color: #000;
  --pv2-nav-hover-bg: rgba(255, 255, 255, 0.1);
  --pv2-z-index-modal: 100002;
  --pv2-z-index-nav: 100003;
  --pv2-image-max-height: 70vh;
  --pv2-image-max-height-mobile: 50vh;
  --pv2-transition-duration: 0.15s;
}

.postviewer-modal {
  box-sizing: border-box;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--pv2-bg-color);
  z-index: var(--pv2-z-index-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform, opacity;
}
.postviewer-modal .postviewer-nav-btn {
  position: fixed;
  top: 50vh;
  background-color: var(--pv2-nav-bg);
  color: var(--pv2-nav-color);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--pv2-z-index-nav);
  transition: background-color, transform var(--pv2-transition-duration) ease;
  -webkit-transition: background-color, transform var(--pv2-transition-duration) ease;
  will-change: transform, background-color;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.postviewer-modal .postviewer-nav-btn:hover {
  background-color: var(--pv2-nav-hover-bg);
}
.postviewer-modal .postviewer-nav-btn:active {
  transform: translate3d(0, 0, 0) scale(0.95);
  -webkit-transform: translate3d(0, 0, 0) scale(0.95);
  transition: none;
  -webkit-transition: none;
}
.postviewer-modal .postviewer-nav-btn.postviewer-prev {
  left: 15px;
}
.postviewer-modal .postviewer-nav-btn.postviewer-next {
  right: 15px;
}
.postviewer-modal .postviewer-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}
.postviewer-modal .postviewer-content .postviewer-image-container {
  position: relative;
}
.postviewer-modal .postviewer-content .postviewer-image-container .postviewer-image-wrap {
  padding: 10px;
  background-color: var(--pv2-content-bg);
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.postviewer-modal .postviewer-content .postviewer-image-container .postviewer-image-wrap .postviewer-image {
  width: 100%;
  height: var(--pv2-image-max-height);
  object-fit: contain;
  vertical-align: bottom;
  max-width: 90vw;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: optimizeSpeed;
}
.postviewer-modal .postviewer-content .postviewer-image-container .postviewer-counter {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 5px 10px;
  border-radius: 15px;
  font-size: 14px;
}
.postviewer-modal .postviewer-content .postviewer-info {
  width: 800px;
  margin: 10px auto 0;
}
.postviewer-modal .postviewer-content .postviewer-info .postviewer-thumbnails {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 10px 0 0;
  flex-wrap: wrap;
  max-height: 100px;
  overflow-y: auto;
}
.postviewer-modal .postviewer-content .postviewer-info .postviewer-thumbnails .postviewer-thumbnail {
  border: 2px solid var(--pv2-thumbnail-border);
  cursor: pointer;
  transition: border-color, transform var(--pv2-transition-duration) ease;
  -webkit-transition: border-color, transform var(--pv2-transition-duration) ease;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform, border-color;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.postviewer-modal .postviewer-content .postviewer-info .postviewer-thumbnails .postviewer-thumbnail.active {
  border-color: var(--pv2-thumbnail-active);
}
.postviewer-modal .postviewer-content .postviewer-info .postviewer-thumbnails .postviewer-thumbnail:hover {
  opacity: 0.8;
}
.postviewer-modal .postviewer-content .postviewer-info .postviewer-thumbnails .postviewer-thumbnail:active {
  transform: translate3d(0, 0, 0) scale(0.95);
  -webkit-transform: translate3d(0, 0, 0) scale(0.95);
  transition: none;
  -webkit-transition: none;
}
.postviewer-modal .postviewer-content .postviewer-info .postviewer-thumbnails .postviewer-thumbnail img {
  width: 50px;
  height: auto;
  vertical-align: bottom;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: optimizeSpeed;
}
.postviewer-modal .postviewer-content .postviewer-info .postviewer-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  padding: 10px 0;
  background-color: #000;
  border-radius: 10px;
}
.postviewer-modal .postviewer-content .postviewer-info .postviewer-buttons > span {
  display: inline-block;
  cursor: pointer;
  padding: 15px 25px;
  border-radius: 4px;
  font-size: 14px;
  text-align: center;
  transition: opacity, transform var(--pv2-transition-duration) ease;
  -webkit-transition: opacity, transform var(--pv2-transition-duration) ease;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform, opacity;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.postviewer-modal .postviewer-content .postviewer-info .postviewer-buttons > span:hover {
  opacity: 0.8;
}
.postviewer-modal .postviewer-content .postviewer-info .postviewer-buttons > span:active {
  transform: translate3d(0, 0, 0) scale(0.95);
  -webkit-transform: translate3d(0, 0, 0) scale(0.95);
  transition: none;
  -webkit-transition: none;
}
.postviewer-modal .postviewer-content .postviewer-info .postviewer-buttons .postviewer-detail-btn {
  background-color: var(--pv2-btn-bg);
  color: var(--pv2-btn-color);
}
.postviewer-modal .postviewer-content .postviewer-info .postviewer-buttons .postviewer-close {
  background-color: var(--pv2-close-bg);
  color: var(--pv2-close-color);
}

body.postviewer-open {
  overflow: hidden;
}

.postviewer-modal #postviewer-main-swiper {
  width: 100%;
  height: auto;
}
.postviewer-modal #postviewer-main-swiper .swiper-wrapper .swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
}
.postviewer-modal #postviewer-main-swiper .swiper-wrapper .swiper-slide .swiper-zoom-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.postviewer-modal #postviewer-main-swiper .swiper-wrapper .swiper-slide .swiper-zoom-container img.postviewer-image {
  max-width: 100%;
  max-height: var(--pv2-image-max-height);
  object-fit: contain;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform;
}
.postviewer-modal #postviewer-main-swiper .swiper-wrapper .swiper-slide img.postviewer-image {
  max-width: 100%;
  max-height: var(--pv2-image-max-height);
  object-fit: contain;
  vertical-align: bottom;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform;
}
.postviewer-modal #postviewer-thumbs-swiper {
  width: 100%;
  height: auto;
  padding: 10px 0;
}
.postviewer-modal #postviewer-thumbs-swiper .swiper-wrapper {
  display: flex;
  justify-content: center;
}
.postviewer-modal #postviewer-thumbs-swiper .swiper-wrapper .swiper-slide {
  width: auto !important;
  cursor: pointer;
  border: 2px solid var(--pv2-thumbnail-border);
  transition: border-color, transform var(--pv2-transition-duration) ease;
  -webkit-transition: border-color, transform var(--pv2-transition-duration) ease;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform, border-color;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.postviewer-modal #postviewer-thumbs-swiper .swiper-wrapper .swiper-slide.swiper-slide-thumb-active {
  border-color: var(--pv2-thumbnail-active);
}
.postviewer-modal #postviewer-thumbs-swiper .swiper-wrapper .swiper-slide:hover {
  opacity: 0.8;
}
.postviewer-modal #postviewer-thumbs-swiper .swiper-wrapper .swiper-slide:active {
  transform: translate3d(0, 0, 0) scale(0.95);
  -webkit-transform: translate3d(0, 0, 0) scale(0.95);
  transition: none;
  -webkit-transition: none;
}
.postviewer-modal #postviewer-thumbs-swiper .swiper-wrapper .swiper-slide img {
  width: 50px;
  height: auto;
  display: block;
  vertical-align: bottom;
}

@media screen and (max-width: 768px) {
  :root {
    --pv2-image-max-height: 50vh;
  }
  .postviewer-modal {
    align-items: flex-end;
  }
  .postviewer-modal .postviewer-nav-btn {
    width: 40px;
    height: 40px;
    font-size: 16px;
    top: auto;
    bottom: 5px;
    transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
  }
  .postviewer-modal .postviewer-nav-btn.postviewer-prev {
    left: 10px;
  }
  .postviewer-modal .postviewer-nav-btn.postviewer-next {
    right: 10px;
  }
  .postviewer-modal .postviewer-nav-btn:hover {
    background-color: var(--pv2-nav-bg);
  }
  .postviewer-modal .postviewer-nav-btn:active {
    transform: translate3d(0, 0, 0) scale(0.9);
    -webkit-transform: translate3d(0, 0, 0) scale(0.9);
  }
  .postviewer-modal .postviewer-content {
    display: flex;
    flex-direction: column-reverse;
    width: 100vw;
    padding: 0 0 5px;
  }
  .postviewer-modal .postviewer-content .postviewer-image-container {
    order: 2;
  }
  .postviewer-modal .postviewer-content .postviewer-image-container .postviewer-image-wrap {
    padding: 5px;
  }
  .postviewer-modal .postviewer-content .postviewer-image-container .postviewer-image-wrap .postviewer-image {
    height: var(--pv2-image-max-height-mobile);
    max-height: var(--pv2-image-max-height-mobile);
  }
  .postviewer-modal .postviewer-content .postviewer-image-container .postviewer-counter {
    font-size: 12px;
    padding: 3px 8px;
    top: auto;
    bottom: 10px;
    right: 10px;
  }
  .postviewer-modal .postviewer-content .postviewer-info {
    order: 1;
    position: relative;
    min-height: 80px;
    max-width: 300px;
  }
  .postviewer-modal .postviewer-content .postviewer-info .postviewer-thumbnails {
    gap: 5px;
    padding: 10px 0 5px 0;
  }
  .postviewer-modal .postviewer-content .postviewer-info .postviewer-thumbnails .postviewer-thumbnail img {
    width: 40px;
  }
  .postviewer-modal .postviewer-content .postviewer-info .postviewer-buttons {
    gap: 10px;
    padding: 15px 0 0;
    bottom: 0;
    background-color: var(--pv2-info-bg);
    display: flex !important;
  }
  .postviewer-modal .postviewer-content .postviewer-info .postviewer-buttons > span {
    padding: 12px 20px;
    font-size: 14px;
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
  }
  .postviewer-modal #postviewer-main-swiper .swiper-wrapper .swiper-slide .swiper-zoom-container img.postviewer-image {
    max-height: var(--pv2-image-max-height-mobile);
  }
  .postviewer-modal #postviewer-main-swiper .swiper-wrapper .swiper-slide img.postviewer-image {
    max-height: var(--pv2-image-max-height-mobile);
  }
  .postviewer-modal #postviewer-thumbs-swiper {
    padding: 5px 0;
  }
  .postviewer-modal #postviewer-thumbs-swiper .swiper-wrapper .swiper-slide img {
    width: 40px;
  }
}