.qpg,
.qpg * {
  box-sizing: border-box;
}

.qpg {
  --qpg-thumb-width: 86px;
  --qpg-thumb-height: 105px;
  --qpg-thumb-gap: 8px;
  --qpg-main-width: 420px;
  --qpg-main-height: 640px;
  --qpg-column-gap: 32px;

  width: fit-content;
  max-width: 100%;
  min-width: 0;
}

.qpg__layout {
  display: grid;
  grid-template-columns: var(--qpg-thumb-width) minmax(0, var(--qpg-main-width));
  grid-template-areas: "thumbs stage";
  align-items: start;
  gap: 0 var(--qpg-column-gap);
  width: fit-content;
  max-width: 100%;
}

.qpg__thumbs {
  grid-area: thumbs;
  width: var(--qpg-thumb-width);
  min-width: 0;
}

.qpg__thumb-list {
  display: flex;
  flex-direction: column;
  gap: var(--qpg-thumb-gap);
  width: 100%;
}

.qpg__thumb {
  appearance: none;
  position: relative;
  flex: 0 0 var(--qpg-thumb-height) !important;
  display: block !important;
  width: var(--qpg-thumb-width) !important;
  height: var(--qpg-thumb-height) !important;
  margin: 0;
  padding: 8px !important;
  overflow: hidden;
  border: 0.52px solid #e8e2f5 !important;
  border-radius: 8px !important;
  background: #f8f7fb !important;
  box-shadow: none;
  color: inherit;
  cursor: pointer;
  line-height: 0;
  transition:
    background-color 180ms ease,
    box-shadow 180ms ease;
}

.qpg__thumb:hover,
.qpg__thumb[aria-selected="true"] {
  border-color: #e8e2f5 !important;
  background: #ffffff !important;
  box-shadow: 0 4px 14px 0 #6619ff24 !important;
}

.qpg__thumb:focus-visible {
  outline: 2px solid #6619ff;
  outline-offset: 2px;
}

.qpg__thumb-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  pointer-events: none;
  user-select: none;
}

.qpg__stage {
  grid-area: stage;
  position: relative;
  width: var(--qpg-main-width);
  max-width: 100%;
  height: var(--qpg-main-height);
  overflow: hidden;
  background: #ffffff;
  touch-action: pan-y;
}

.qpg__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 220ms ease,
    visibility 0s linear 220ms;
}

.qpg__slide.is-active {
  z-index: 1;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.qpg__main-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  user-select: none;
  -webkit-user-drag: none;
}

.qpg-admin-notice {
  padding: 12px 16px;
  border-left: 4px solid #d63638;
  background: #fff1f1;
  color: #3c434a;
  font: 14px/1.5 sans-serif;
}

@media (max-width: 767px) {
  .qpg {
    width: 100%;
  }

  .qpg__layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "stage"
      "thumbs";
    gap: 12px 0;
    width: 100%;
  }

  .qpg__stage {
    width: min(100%, var(--qpg-main-width));
    height: auto;
    aspect-ratio: 420 / 640;
    margin-inline: auto;
  }

  .qpg__thumbs {
    width: 100%;
    overflow-x: auto;
    padding: 2px 2px 16px;
    scrollbar-width: thin;
    overscroll-behavior-inline: contain;
  }

  .qpg__thumb-list {
    flex-direction: row;
    width: max-content;
  }
}

@media (prefers-reduced-motion: reduce) {
  .qpg__thumb,
  .qpg__slide {
    transition: none;
  }
}