/* PKU LTC Quiz – isolated from host page styles via :is(#pku-ltc-quiz, .pku-quiz) */

@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("../assets/fonts/PlusJakartaSans.woff2") format("woff2");
}

:is(#pku-ltc-quiz, .pku-quiz) {
  --pku-primary: #353274;
  --pku-bar: #353273;
  --pku-header-mid: #763f7e;
  --pku-bg: #ebf4fa;
  --pku-surface: #ffffff;
  --pku-surface-soft: rgba(255, 255, 255, 0.86);
  --pku-accent: rgb(251 146 60);
  --pku-accent-hover: rgb(250 204 21);
  --pku-btn-text: #ffffff;
  --pku-reveal: 0.65s;
  --pku-text: #1a1a2e;
  --pku-muted: #5a5d66;
  --pku-border: rgba(0, 0, 0, 0.1);
  --pku-ok: #2f7d57;
  --pku-ok-bg: #e8f6ee;
  --pku-bad: #c4453a;
  --pku-bad-bg: #fdecea;
  --pku-radius: 8px;
  --pku-ease-flat: cubic-bezier(0.4, 0.38, 0.6, 0.62);
  --pku-shadow: 0 10px 28px rgba(53, 50, 116, 0.12);
  --pku-btn-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --pku-anim: 500ms;
  --pku-illu-anim: 1150ms;
  --pku-stagger: 250ms;
  --pku-max: 800px;
  --pku-pad-y: 1.05rem;
  --pku-pad-x: 1.05rem;

  box-sizing: border-box;
  isolation: isolate;
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: var(--pku-max);
  margin: 0 auto;
  padding: var(--pku-pad-y) var(--pku-pad-x) 0;
  color: var(--pku-text);
  font-family: "Plus Jakarta Sans", inherit, system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 400;
  font-style: normal;
  line-height: 1.5;
  letter-spacing: normal;
  text-align: left;
  text-decoration: none;
  text-transform: none;
  background: var(--pku-bg);
  border: 1px solid var(--pku-border);
  border-radius: var(--pku-radius);
  overflow: hidden;
  -webkit-text-size-adjust: 100%;
}

:is(#pku-ltc-quiz, .pku-quiz) *,
:is(#pku-ltc-quiz, .pku-quiz) *::before,
:is(#pku-ltc-quiz, .pku-quiz) *::after {
  box-sizing: border-box;
}

:is(#pku-ltc-quiz, .pku-quiz) h1,
:is(#pku-ltc-quiz, .pku-quiz) h2,
:is(#pku-ltc-quiz, .pku-quiz) h3,
:is(#pku-ltc-quiz, .pku-quiz) h4,
:is(#pku-ltc-quiz, .pku-quiz) h5,
:is(#pku-ltc-quiz, .pku-quiz) h6,
:is(#pku-ltc-quiz, .pku-quiz) p,
:is(#pku-ltc-quiz, .pku-quiz) ul,
:is(#pku-ltc-quiz, .pku-quiz) ol,
:is(#pku-ltc-quiz, .pku-quiz) li,
:is(#pku-ltc-quiz, .pku-quiz) button,
:is(#pku-ltc-quiz, .pku-quiz) a,
:is(#pku-ltc-quiz, .pku-quiz) img,
:is(#pku-ltc-quiz, .pku-quiz) span {
  float: none;
  max-width: none;
  background-image: none;
  text-shadow: none;
}

:is(#pku-ltc-quiz, .pku-quiz) a,
:is(#pku-ltc-quiz, .pku-quiz) a:link,
:is(#pku-ltc-quiz, .pku-quiz) a:visited,
:is(#pku-ltc-quiz, .pku-quiz) a:hover,
:is(#pku-ltc-quiz, .pku-quiz) a:focus,
:is(#pku-ltc-quiz, .pku-quiz) a:focus-visible,
:is(#pku-ltc-quiz, .pku-quiz) a:active,
:is(#pku-ltc-quiz, .pku-quiz) button,
:is(#pku-ltc-quiz, .pku-quiz) button:hover,
:is(#pku-ltc-quiz, .pku-quiz) button:focus,
:is(#pku-ltc-quiz, .pku-quiz) button:focus-visible,
:is(#pku-ltc-quiz, .pku-quiz) button:active {
  background-image: none;
  text-decoration: none !important;
  text-transform: none;
  letter-spacing: normal;
  text-shadow: none;
  filter: none;
}

:is(#pku-ltc-quiz, .pku-quiz) img {
  border: 0;
  vertical-align: middle;
}

:is(#pku-ltc-quiz, .pku-quiz) ul,
:is(#pku-ltc-quiz, .pku-quiz) ol {
  list-style: none;
  list-style-image: none;
}

:is(#pku-ltc-quiz, .pku-quiz)::before {
  content: "";
  flex: 0 0 auto;
  display: block;
  height: 6px;
  margin: calc(var(--pku-pad-y) * -1) calc(var(--pku-pad-x) * -1) 0.85rem;
  background: var(--pku-bar);
}

:is(#pku-ltc-quiz, .pku-quiz).is-playing {
  overflow: hidden;
}

:is(#pku-ltc-quiz, .pku-quiz).is-animating-height {
  transition: height 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

:is(#pku-ltc-quiz, .pku-quiz) [hidden] {
  display: none !important;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__status {
  margin: 0;
  color: var(--pku-muted);
  font-size: 0.95rem;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__status--error {
  color: var(--pku-bad);
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__screen {
  display: none;
  min-height: 0;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__screen.is-active {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
}

:is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__screen.is-active {
  flex: 1 1 auto;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__kicker {
  flex: 0 0 auto;
  margin: 0 0 0.28rem !important;
  color: var(--pku-header-mid);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__title {
  flex: 0 0 auto;
  margin: 0 0 0.5rem !important;
  color: var(--pku-primary);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.2;
  font-weight: 700;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__lead,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__body {
  flex: 0 0 auto;
  margin: 0 0 0.65rem;
  line-height: 1.5;
  color: var(--pku-text);
  font-size: 1.02rem;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__intro-illu {
  flex: 1 1 10rem;
  min-height: 8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.15rem 0 0.45rem;
  overflow: hidden;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__intro-illu img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__intro-foot {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 0.25rem 0.5rem;
  flex: 0 0 auto;
  min-height: 0;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__intro-foot .pku-quiz__actions {
  grid-column: 2;
  flex: 0 0 auto;
  margin-top: 0.55rem;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__result .pku-quiz__title {
  margin-bottom: 0.4rem !important;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__result .pku-quiz__stage {
  flex: 0 0 auto;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__result .pku-quiz__body {
  margin-bottom: 0.35rem;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__score {
  flex: 0.45 1 3.4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 3.2rem;
  margin: 0.05rem 0 0.35rem;
  overflow: visible;
  color: var(--pku-accent);
  container-type: size;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__score-value {
  display: inline-block;
  min-width: 1.45em;
  color: var(--pku-accent);
  font-size: clamp(2.6rem, 8vw, 5.4rem);
  font-size: max(2.5rem, min(5.4rem, 72cqh, 42cqi));
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 0.86;
  letter-spacing: -0.045em;
  transform-origin: left center;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__score-value.is-pop {
  animation: pku-score-pop 0.48s cubic-bezier(0.22, 1.45, 0.36, 1);
}

@keyframes pku-score-pop {
  0% {
    transform: scale(1);
  }
  38% {
    transform: scale(1.16);
  }
  100% {
    transform: scale(1);
  }
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__score-meta {
  display: block;
  margin-top: 0.12em;
  color: var(--pku-accent);
  font-size: clamp(0.92rem, 2.4vw, 1.2rem);
  font-size: min(1.2rem, 18cqh, 9cqi);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.01em;
  opacity: 0.92;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__result-aside {
  flex: 0.7 1 2.4rem;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.05rem 0 0.1rem;
  overflow: hidden;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__result-aside img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__source {
  flex: 0 0 auto;
  min-height: var(--pku-source-slot, 2.1rem);
  margin: 0.3rem 0 0;
  padding: 0 0 0.28rem;
  color: #8a8d94;
  font-size: 0.65rem;
  line-height: 1.3;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__source.is-cite {
  opacity: 0;
  visibility: hidden;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__source.is-cite.is-open {
  visibility: visible;
  transition: opacity var(--pku-reveal) linear;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__source.is-cite.is-open.is-visible {
  opacity: 1;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__progress {
  flex: 0 0 auto;
  margin: 0 0 0.7rem;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__progress-label {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0 0 0.4rem;
  color: var(--pku-muted);
  font-size: 0.82rem;
  font-weight: 600;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__progress-track {
  height: 6px;
  overflow: hidden;
  background: rgba(53, 50, 116, 0.12);
  border-radius: 999px;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__progress-fill {
  height: 100%;
  width: 0;
  background: var(--pku-accent);
  border-radius: inherit;
  transition: width 0.35s var(--pku-ease-flat);
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__layout,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__result {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 0.25rem 0.5rem;
  align-items: stretch;
  flex: 1 1 auto;
  min-height: 0;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__illu-wrap {
  position: relative;
  min-height: 0;
  height: 100%;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  padding: 0;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__illu {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
  opacity: 0;
  transform: translateX(-2.75rem);
  transition:
    opacity var(--pku-illu-anim) ease,
    transform var(--pku-illu-anim) cubic-bezier(0.22, 1, 0.36, 1);
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__illu.is-lottie {
  overflow: hidden;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__illu.is-lottie svg {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__illu.is-visible {
  opacity: 1;
  transform: none;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__content {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__stage {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers {
  display: flex;
  flex-direction: column;
  flex: 0 0 auto;
  margin: 0;
  padding: 0;
  list-style: none;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers.is-revealed {
  position: relative;
  overflow: hidden;
  min-height: var(--pku-keep-stack, 0px);
  transition: height var(--pku-reveal) linear;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers > li {
  flex: 0 0 auto;
  min-height: min-content;
  overflow: visible;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers:not(.is-revealed) > li:not(:last-child) {
  margin-bottom: 0.4rem;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers.is-revealed > li:not(.is-away) {
  order: -1;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers.is-revealed > li:not(.is-away) ~ li:not(.is-away) {
  margin-top: 0.4rem;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers.is-revealed:not(.is-collapsing) > li.is-away {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers.is-collapsing > li.is-away {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--pku-reveal) linear;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers.is-collapsing > li.is-away .pku-quiz__answer {
  opacity: 0;
  transition: opacity var(--pku-reveal) linear;
  transition-delay: 0s;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer {
  appearance: none;
  -webkit-appearance: none;
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  width: 100%;
  min-height: 0;
  margin: 0;
  padding: 0.55rem 0.75rem;
  text-align: left;
  text-decoration: none;
  color: var(--pku-text);
  font: inherit;
  font-size: 0.95rem;
  line-height: 1.4;
  background: var(--pku-surface);
  border: 1.5px solid var(--pku-border);
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(53, 50, 116, 0.04);
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--pku-anim) ease calc(var(--stagger-i, 0) * var(--pku-stagger)),
    transform var(--pku-anim) ease calc(var(--stagger-i, 0) * var(--pku-stagger)),
    border-color 0.1s ease,
    background 0.1s ease,
    box-shadow 0.1s ease;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers.is-in-view .pku-quiz__answer {
  opacity: 1;
  transform: none;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers > li.is-away .pku-quiz__answer {
  transition-delay: 0s;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer:hover,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer:focus,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer:focus-visible,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer:active {
  color: var(--pku-text) !important;
  text-decoration: none !important;
  background: var(--pku-surface);
  border-color: var(--pku-primary);
  box-shadow: var(--pku-shadow);
  filter: none !important;
  outline: none;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers.is-in-view .pku-quiz__answer:hover,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers.is-in-view .pku-quiz__answer:focus,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers.is-in-view .pku-quiz__answer:focus-visible,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers.is-in-view .pku-quiz__answer:active {
  transform: none;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer:focus-visible {
  outline: 2px solid var(--pku-accent);
  outline-offset: 2px;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer-key {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  margin-top: 0.05rem;
  color: var(--pku-primary);
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--pku-bg);
  border-radius: 999px;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer-text {
  flex: 1 1 auto;
}

:is(#pku-ltc-quiz, .pku-quiz).is-locked .pku-quiz__answer {
  cursor: default;
  pointer-events: none;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer.is-picked {
  border-color: var(--pku-primary);
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer.is-correct,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer.is-correct:hover,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer.is-correct:focus,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer.is-correct:focus-visible {
  border-color: var(--pku-ok);
  background: var(--pku-ok-bg);
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer.is-wrong,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer.is-wrong:hover,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer.is-wrong:focus,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer.is-wrong:focus-visible {
  border-color: var(--pku-bad);
  background: var(--pku-bad-bg);
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__feedback {
  display: none;
  flex: 1 1 auto;
  min-height: 0;
  margin-top: 0.5rem;
  padding: 0.65rem 0.8rem;
  color: var(--pku-text);
  font-size: 0.95rem;
  line-height: 1.5;
  background: var(--pku-surface);
  border-radius: 12px;
  box-shadow: var(--pku-shadow);
  opacity: 0;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__feedback.is-open {
  display: flex;
  flex-direction: column;
  transition: opacity var(--pku-reveal) linear;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__feedback.is-open.is-visible {
  opacity: 1;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__feedback p {
  margin: 0;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__feedback-label {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--pku-header-mid);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.85rem;
  min-height: 2.5rem;
}

:is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__actions {
  flex: 0 0 auto;
  margin-top: 0.55rem;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn:link,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn:visited {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.45rem;
  padding: 0.45rem 1.15rem;
  color: var(--pku-btn-text) !important;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: normal;
  text-transform: none;
  text-decoration: none !important;
  background: var(--pku-accent) !important;
  background-image: none !important;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: var(--pku-btn-shadow);
  filter: none;
  transform: none !important;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn:hover,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn:focus,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn:focus-visible,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn:active {
  color: var(--pku-btn-text) !important;
  text-decoration: none !important;
  background: var(--pku-accent-hover) !important;
  background-image: none !important;
  border: 0 !important;
  box-shadow: var(--pku-btn-shadow) !important;
  filter: none !important;
  transform: none !important;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn:focus-visible {
  outline: 2px solid var(--pku-primary);
  outline-offset: 3px;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn--ghost,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn--ghost:link,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn--ghost:visited {
  min-height: 0;
  padding: 0.45rem 0.15rem;
  color: var(--pku-accent) !important;
  background: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
  border: 0;
  border-radius: 0;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn--ghost:hover,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn--ghost:focus,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn--ghost:focus-visible,
:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn--ghost:active {
  color: var(--pku-accent-hover) !important;
  text-decoration: none !important;
  background: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
  filter: none !important;
  transform: none !important;
}

:is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__actions [data-continue]:not(.is-armed) {
  visibility: hidden;
  pointer-events: none;
}

:is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__score {
  flex: 0 0 auto;
  min-height: 5.2rem;
  height: 5.2rem;
}

:is(#pku-ltc-quiz, .pku-quiz).is-measuring {
  height: auto !important;
  min-height: 0 !important;
  overflow: visible !important;
  transition: none !important;
  position: absolute !important;
  left: -9999px !important;
  top: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

:is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__illu,
:is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__answer,
:is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__feedback.is-open,
:is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__source.is-cite.is-open,
:is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__answers {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

:is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__answers {
  height: auto !important;
}

:is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__feedback.is-open {
  display: block;
  flex: 0 0 auto;
}

:is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__layout,
:is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__result {
  flex: 0 0 auto;
}

:is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__intro-illu {
  flex: 0 0 auto;
  min-height: 10rem;
  height: 10rem;
}

:is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__result-aside {
  flex: 0 0 auto;
  min-height: 0;
  height: 0;
  margin: 0;
  overflow: hidden;
}

@media (max-width: 720px) {
  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__layout,
  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__result,
  :is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__layout,
  :is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__result {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
  }

  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__illu-wrap,
  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__content,
  :is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__illu-wrap,
  :is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__content {
    grid-area: 1 / 1;
  }

  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__illu-wrap,
  :is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__illu-wrap {
    z-index: 0;
    pointer-events: none;
    min-height: 0;
  }

  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__illu,
  :is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__illu {
    object-position: 88% 70%;
  }

  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__illu.is-visible {
    opacity: 0.38;
  }

  :is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__illu {
    opacity: 0.38 !important;
  }

  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__content,
  :is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__content {
    z-index: 1;
    position: relative;
  }

  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__result-aside {
    visibility: hidden;
    pointer-events: none;
  }

  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__intro-foot {
    grid-template-columns: 1fr;
  }

  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__intro-foot .pku-quiz__actions {
    grid-column: 1;
  }

  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__answer,
  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__answer:hover,
  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__feedback,
  :is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__answer,
  :is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__feedback {
    background: var(--pku-surface-soft);
  }

  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__answer.is-correct,
  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__answer.is-correct:hover,
  :is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__answer.is-correct {
    background: rgba(232, 246, 238, 0.92);
  }

  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__answer.is-wrong,
  :is(#pku-ltc-quiz, .pku-quiz).is-playing .pku-quiz__answer.is-wrong:hover,
  :is(#pku-ltc-quiz, .pku-quiz).is-measuring .pku-quiz__answer.is-wrong {
    background: rgba(253, 236, 234, 0.92);
  }
}

@media (max-width: 420px) {
  :is(#pku-ltc-quiz, .pku-quiz) {
    --pku-pad-y: 0.9rem;
    --pku-pad-x: 0.8rem;
  }

  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer {
    padding: 0.5rem 0.65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  :is(#pku-ltc-quiz, .pku-quiz),
  :is(#pku-ltc-quiz, .pku-quiz).is-animating-height,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__illu,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answer,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__feedback,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__feedback.is-open,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__source.is-cite,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__source.is-cite.is-open,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers > li,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__progress-fill,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__score-value,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__btn {
    animation: none !important;
    transition: none !important;
  }

  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__illu,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers .pku-quiz__answer,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__feedback.is-open,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__source.is-cite.is-open {
    opacity: 1 !important;
    transform: none !important;
  }

  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__answers > li,
  :is(#pku-ltc-quiz, .pku-quiz) .pku-quiz__feedback.is-open {
    transition-duration: 0.01s !important;
  }
}