.dz-flashcard {
  --dz-flashcard-bg: color-mix(in srgb, var(--dz-bg) 88%, #111 12%);
  --dz-flashcard-surface: color-mix(in srgb, var(--dz-card) 90%, #111 10%);
  --dz-flashcard-border: color-mix(in srgb, var(--dz-panel-border) 70%, transparent);
  --dz-flashcard-muted: color-mix(in srgb, var(--dz-text-muted) 88%, transparent);
  --dz-flashcard-correct: #22c55e;
  --dz-flashcard-wrong: #ef4444;
  --dz-flashcard-nav: #4f67ff;
  --dz-flashcard-radius: 28px;
  width: 100%;
  min-height: 100%;
  padding: 18px 18px 24px;
  border-radius: var(--dz-radius-lg);
  background:
    radial-gradient(circle at 50% 100%, color-mix(in srgb, var(--dz-accent) 10%, transparent), transparent 48%),
    var(--dz-flashcard-bg);
  color: var(--dz-heading);
}

.dz-flashcard:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--dz-accent) 54%, white 46%);
  outline-offset: 4px;
}

.dz-flashcard__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.dz-flashcard__title {
  margin: 0;
  font-family: var(--dz-font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.dz-flashcard__sources {
  margin: 8px 0 0;
  color: var(--dz-text);
  font-size: 1rem;
  font-weight: 600;
}

.dz-flashcard__menu {
  color: var(--dz-flashcard-muted);
  font-size: 1.6rem;
  line-height: 1;
  user-select: none;
}

.dz-flashcard__stage {
  display: grid;
  gap: 16px;
}

.dz-flashcard__card {
  position: relative;
  min-height: 500px;
  padding: 26px 28px;
  border: 1px solid var(--dz-flashcard-border);
  border-radius: 40px;
  background: var(--dz-flashcard-surface);
  cursor: pointer;
}

.dz-flashcard__count {
  color: var(--dz-flashcard-muted);
  font-family: var(--dz-font-display);
  font-size: 1.8rem;
  font-weight: 700;
}

.dz-flashcard__face {
  display: flex;
  min-height: 410px;
  flex-direction: column;
  justify-content: center;
  padding: 28px 20px;
}

.dz-flashcard__face[hidden] {
  display: none;
}

.dz-flashcard__term {
  margin: 0;
  font-family: var(--dz-font-display);
  font-size: clamp(2.6rem, 6vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.06;
}

.dz-flashcard__answer {
  margin: 0;
  font-family: var(--dz-font-display);
  font-size: clamp(1.45rem, 2.7vw, 2.35rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.34;
}

.dz-flashcard__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--dz-flashcard-muted);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.dz-flashcard__card:focus-visible,
.dz-flashcard__toggle:focus-visible,
.dz-flashcard__nav-button:focus-visible,
.dz-flashcard__score-button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--dz-accent) 54%, white 46%);
  outline-offset: 3px;
}

.dz-flashcard__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 6px;
}

.dz-flashcard__nav-button,
.dz-flashcard__score-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
}

.dz-flashcard__nav-button {
  width: 112px;
  height: 112px;
  border: 2px solid var(--dz-flashcard-border);
  color: var(--dz-flashcard-nav);
  font-size: 3rem;
}

.dz-flashcard__score-button {
  min-width: 164px;
  height: 102px;
  gap: 14px;
  padding: 0 24px;
  border: 2px solid var(--dz-flashcard-border);
  font-family: var(--dz-font-display);
  font-size: 2.25rem;
  font-weight: 700;
}

.dz-flashcard__score-button--wrong {
  color: var(--dz-flashcard-wrong);
}

.dz-flashcard__score-button--correct {
  color: var(--dz-flashcard-correct);
}

.dz-flashcard__score-value {
  min-width: 1.4ch;
  text-align: center;
}

.dz-flashcard__hint {
  margin-top: 10px;
  color: var(--dz-flashcard-muted);
  font-size: 0.88rem;
  text-align: center;
}

.dz-flashcard--embedded {
  --dz-flashcard-bg: transparent;
  margin-top: 12px;
  min-height: auto;
  padding: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.dz-flashcard--embedded .dz-flashcard__stage {
  gap: 10px;
}

.dz-flashcard--embedded .dz-flashcard__card {
  min-height: 360px;
  padding: 20px 22px;
  border-radius: 30px;
}

.dz-flashcard--embedded .dz-flashcard__face {
  min-height: 250px;
  padding: 12px 12px;
}

.dz-flashcard--embedded .dz-flashcard__term {
  font-size: clamp(2rem, 4.1vw, 3.1rem);
}

.dz-flashcard--embedded .dz-flashcard__answer {
  font-size: clamp(1.05rem, 1.65vw, 1.45rem);
  line-height: 1.42;
}

.dz-flashcard--embedded .dz-flashcard__header {
  margin-bottom: 12px;
}

.dz-flashcard--embedded .dz-flashcard__title {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

.dz-flashcard--embedded .dz-flashcard__sources {
  margin-top: 4px;
  font-size: 0.9rem;
}

.dz-flashcard--embedded .dz-flashcard__count {
  font-size: 1.35rem;
}

.dz-flashcard--embedded .dz-flashcard__toggle {
  font-size: 0.92rem;
}

.dz-flashcard--embedded .dz-flashcard__footer {
  justify-content: center;
  gap: 24px;
  margin-top: 8px;
}

.dz-flashcard--embedded .dz-flashcard__nav-button {
  width: 68px;
  height: 68px;
  font-size: 1.85rem;
}

.dz-flashcard--embedded .dz-flashcard__score-button {
  min-width: 116px;
  height: 68px;
  padding: 0 18px;
  font-size: 1.45rem;
}

#flashcard-concepts {
  gap: 14px;
  align-content: start;
}

#flashcard-concepts.is-active {
  display: grid;
}

#flashcard-concepts .dz-section__title,
#flashcard-concepts .dz-mini,
#flashcard-concepts .dz-flashcard--embedded {
  margin: 0;
}

#flashcard-concepts .dz-mini {
  max-width: 64ch;
  font-size: 0.9rem;
  line-height: 1.45;
}

#flashcard-concepts .dz-flashcard--embedded {
  min-height: auto;
  height: auto;
}

#flashcard-concepts .dz-flashcard__hint {
  margin-top: 2px;
}

@media (max-width: 900px) {
  .dz-flashcard {
    padding: 16px;
  }

  .dz-flashcard__card {
    min-height: 420px;
    padding: 20px;
    border-radius: 28px;
  }

  .dz-flashcard__face {
    min-height: 300px;
    padding: 18px 8px;
  }

  .dz-flashcard__footer {
    gap: 12px;
  }

  .dz-flashcard__nav-button {
    width: 74px;
    height: 74px;
    font-size: 2rem;
  }

  .dz-flashcard__score-button {
    min-width: 110px;
    height: 74px;
    padding: 0 16px;
    font-size: 1.6rem;
  }

  .dz-flashcard--embedded .dz-flashcard__card {
    min-height: 300px;
    padding: 18px;
  }

  .dz-flashcard--embedded .dz-flashcard__face {
    min-height: 190px;
    padding: 10px 8px;
  }

  .dz-flashcard--embedded .dz-flashcard__nav-button,
  .dz-flashcard--embedded .dz-flashcard__score-button {
    height: 58px;
  }

  .dz-flashcard--embedded .dz-flashcard__footer {
    gap: 12px;
  }

  .dz-flashcard--embedded .dz-flashcard__nav-button {
    width: 58px;
  }

  .dz-flashcard--embedded .dz-flashcard__score-button {
    min-width: 92px;
    padding: 0 14px;
    font-size: 1.2rem;
  }
}