#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-round {
  display: flex !important;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: 20px;
  width: min(100%, 940px) !important;
  margin: 0 auto;
  height: auto !important;
  min-height: 0 !important;
  padding-bottom: 0 !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard-content {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  overflow-x: hidden !important;
  overflow-y: hidden !important;
  justify-content: flex-start !important;
  padding-top: 14px !important;
  padding-bottom: 84px !important;
  box-sizing: border-box;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active.ll-self-check-needs-scroll #ll-tools-flashcard-content {
  overflow-y: auto !important;
  padding-bottom: 56px;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard {
  display: flex !important;
  max-width: 100%;
  width: 100%;
  align-items: stretch;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard-header {
  display: block !important;
  padding: 0;
  min-height: 0;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-category-stack,
#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-learning-progress,
#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-repeat-flashcard {
  display: none !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-card--flashcard {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px !important;
  padding: 0 6px 24px !important;
  box-sizing: border-box;
  overflow: visible;
}

#ll-tools-flashcard .ll-study-check-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-right: 56px;
}

#ll-tools-flashcard .ll-study-check-title {
  font-weight: 700;
  font-size: 18px;
  display: block;
}

#ll-tools-flashcard .ll-study-check-category {
  display: inline-flex;
  margin-top: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #0ea5e9;
  font-weight: 600;
  font-size: 12px;
}

#ll-tools-flashcard .ll-study-check-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

#ll-tools-flashcard .ll-study-check-progress {
  font-weight: 600;
  color: #475569;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-flip-card {
  position: relative;
  perspective: 1200px;
  min-height: 352px !important;
  height: 352px !important;
  width: 100%;
  max-width: 360px !important;
  align-self: center;
  margin: 0 auto;
  flex: 0 0 auto;
  z-index: 1;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-card-inner {
  position: relative;
  width: 100%;
  min-height: 352px !important;
  height: 352px !important;
  transform-style: preserve-3d;
  transition: transform 0.5s ease;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-flip-card.is-flipped .ll-study-check-card-inner {
  transform: rotateY(180deg);
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  overflow: hidden;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-face--back {
  transform: rotateY(180deg);
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-prompt {
  min-height: 352px !important;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  padding: 32px 24px !important;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-prompt-inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  width: 100%;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-image {
  display: inline-flex;
  justify-content: center;
  width: 84% !important;
  max-width: 290px !important;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  background: #f8f8f8;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  border-radius: 0;
  border: 0;
  object-fit: contain;
}

.ll-study-check-text {
  font-size: 24px;
  font-weight: 700;
  color: #0f172a;
  text-align: center;
  line-height: 1.2;
  word-break: break-word;
}

.ll-study-check-empty {
  color: #64748b;
  font-style: italic;
}

.ll-study-check-prompt .ll-study-recording-btn {
  height: 32px !important;
  min-height: 32px !important;
  min-width: 92px !important;
  border-radius: 8px !important;
  border: 1px solid #cbd5e1 !important;
  background: #ffffff !important;
  background-color: #ffffff !important;
  background-image: none !important;
  color: #0f172a !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 6px;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
  padding: 0 8px !important;
  line-height: 1 !important;
  box-shadow: none !important;
  text-shadow: none !important;
  -webkit-appearance: none !important;
  appearance: none !important;
  text-transform: none !important;
  box-sizing: border-box !important;
}

.ll-study-check-prompt .ll-study-recording-btn:hover {
  background: #e0f2fe !important;
  border-color: #38bdf8 !important;
  color: #0ea5e9 !important;
}

.ll-study-check-prompt .ll-study-recording-btn:focus-visible {
  outline: 3px solid #38bdf8 !important;
  outline-offset: 2px;
}

.ll-study-check-prompt .ll-study-recording-icon {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-family: "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji", system-ui, sans-serif !important;
  -webkit-text-size-adjust: none !important;
  line-height: 1 !important;
}

.ll-study-check-prompt .ll-study-recording-icon::before {
  content: attr(data-emoji);
  display: block;
  font-size: 16px;
  line-height: 1;
}

.ll-study-check-prompt .ll-study-recording-visualizer {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  min-height: 18px;
}

.ll-study-check-prompt .ll-study-recording-visualizer .bar {
  display: block;
  flex: 0 0 4px;
  width: 4px;
  min-width: 4px;
  max-width: 4px;
  height: calc(var(--base, 8px) + 12px * var(--level, 0));
  border-radius: 2px;
  background: linear-gradient(180deg, #6366f1 0%, #4338ca 100%);
  opacity: 0.55;
  transform-origin: center bottom;
  transition: height 0.12s ease-out, opacity 0.2s ease-out;
  box-sizing: border-box;
}

.ll-study-check-prompt .ll-study-recording-visualizer .bar:nth-child(2) { --base: 12px; }
.ll-study-check-prompt .ll-study-recording-visualizer .bar:nth-child(3) { --base: 10px; }
.ll-study-check-prompt .ll-study-recording-visualizer .bar:nth-child(4) { --base: 14px; }
.ll-study-check-prompt .ll-study-recording-visualizer .bar:nth-child(5) { --base: 9px; }
.ll-study-check-prompt .ll-study-recording-visualizer .bar:nth-child(6) { --base: 15px; }

.ll-study-check-prompt .ll-study-recording-btn.is-playing {
  border-color: #6366f1 !important;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15) !important;
}

.ll-study-check-prompt .ll-study-recording-btn.is-playing:not(.ll-study-recording-btn--js) .ll-study-recording-visualizer .bar {
  opacity: 0.95;
  animation: ll-audio-mini-eq 1s ease-in-out infinite;
}

.ll-study-check-prompt .ll-study-recording-btn.is-playing:not(.ll-study-recording-btn--js) .ll-study-recording-visualizer .bar:nth-child(2) { animation-delay: 0.08s; }
.ll-study-check-prompt .ll-study-recording-btn.is-playing:not(.ll-study-recording-btn--js) .ll-study-recording-visualizer .bar:nth-child(3) { animation-delay: 0.15s; }
.ll-study-check-prompt .ll-study-recording-btn.is-playing:not(.ll-study-recording-btn--js) .ll-study-recording-visualizer .bar:nth-child(4) { animation-delay: 0.22s; }
.ll-study-check-prompt .ll-study-recording-btn.is-playing:not(.ll-study-recording-btn--js) .ll-study-recording-visualizer .bar:nth-child(5) { animation-delay: 0.29s; }
.ll-study-check-prompt .ll-study-recording-btn.is-playing:not(.ll-study-recording-btn--js) .ll-study-recording-visualizer .bar:nth-child(6) { animation-delay: 0.36s; }

.ll-study-check-audio-btn {
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  background-image: none;
  color: #0f172a;
  font-weight: 600;
  padding: 9px 14px;
  line-height: 1.2;
  cursor: pointer;
  text-transform: none;
  text-decoration: none;
  box-shadow: none;
  -webkit-appearance: none;
  appearance: none;
}

.ll-study-check-audio-btn:hover {
  background: #e0f2fe;
  border-color: #38bdf8;
  color: #0ea5e9;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-flip {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid #cbd5e1 !important;
  background: #ffffff !important;
  background-image: none !important;
  color: #0f172a !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 !important;
  margin: 0 !important;
  line-height: 1 !important;
  font-family: inherit !important;
  text-transform: none !important;
  text-decoration: none !important;
  box-shadow: none !important;
  text-shadow: none !important;
  box-sizing: border-box !important;
  -webkit-appearance: none !important;
  appearance: none !important;
  cursor: pointer;
  transition: all 0.15s ease;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-flip:hover {
  background: #e0f2fe;
  border-color: #38bdf8;
  color: #0ea5e9;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-flip:focus-visible {
  outline: 3px solid #38bdf8 !important;
  outline-offset: 2px;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-flip svg {
  width: 18px;
  height: 18px;
  display: block;
  overflow: visible;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-flip svg,
#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-flip svg path {
  fill: none !important;
  stroke: currentColor !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-actions {
  display: flex !important;
  flex-wrap: wrap !important;
  align-items: center;
  justify-content: center;
  gap: 10px !important;
  width: auto;
  margin-top: 0 !important;
  position: static !important;
  flex: 0 0 auto;
  min-height: 46px !important;
  height: auto !important;
  z-index: 6;
  align-self: center;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  min-width: 160px !important;
  min-height: 46px !important;
  height: 46px !important;
  width: auto !important;
  max-width: 260px;
  flex: 0 0 auto !important;
  padding: 10px 14px !important;
  font-size: 14px !important;
  border-radius: 12px !important;
  border: 1px solid transparent !important;
  box-shadow: none !important;
  line-height: 1.2 !important;
  font-weight: 600 !important;
  text-transform: none !important;
  text-decoration: none !important;
  -webkit-appearance: none !important;
  appearance: none !important;
  cursor: pointer !important;
  margin: 0 !important;
  position: relative;
  z-index: 5;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn-text {
  color: inherit;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn--know {
  background: #16a34a;
  border-color: #16a34a;
  color: #ffffff !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn--know:hover {
  background: #15803d;
  border-color: #15803d;
  color: #ffffff !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn--right {
  background: #15803d;
  border-color: #15803d;
  color: #ffffff !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn--right:hover {
  background: #166534;
  border-color: #166534;
  color: #ffffff !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn--think,
#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn--close {
  background: #ca8a04;
  border-color: #ca8a04;
  color: #ffffff !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn--think:hover,
#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn--close:hover {
  background: #a16207;
  border-color: #a16207;
  color: #ffffff !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn--idk {
  background: #dc2626;
  border-color: #dc2626;
  color: #ffffff !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn--idk:hover {
  background: #b91c1c;
  border-color: #b91c1c;
  color: #ffffff !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn--wrong {
  background: #be123c;
  border-color: #be123c;
  color: #ffffff !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn--wrong:hover {
  background: #9f1239;
  border-color: #9f1239;
  color: #ffffff !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-btn:disabled {
  opacity: 0.62;
  cursor: not-allowed !important;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
}

#ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-icon svg {
  width: 20px;
  height: 20px;
  display: block;
  overflow: visible;
}

@media (max-height: 840px) {
  #ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-round {
    gap: 14px;
  }

  #ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-flip-card,
  #ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-card-inner,
  #ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-prompt {
    min-height: 320px !important;
    height: 320px !important;
  }

  #ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard .ll-study-check-prompt {
    padding: 26px 20px !important;
  }
}

@media (max-height: 760px) {
  #ll-tools-flashcard-quiz-popup.ll-self-check-active #ll-tools-flashcard-content {
    overflow-y: auto !important;
  }
}

@keyframes ll-audio-mini-eq {
  0% { transform: scaleY(0.7); }
  35% { transform: scaleY(1.35); }
  65% { transform: scaleY(0.9); }
  100% { transform: scaleY(1); }
}

@media (max-width: 640px) {
  .ll-study-check-text {
    font-size: 20px;
  }
}