/* Verb quiz */
body:has(#page-quiz.is-active) {
  background: var(--fr-tricolor-blanc);
  background-attachment: fixed;
}

#page-quiz {
  font-family: var(--quiz-sans);
  color: var(--quiz-ink);
  letter-spacing: 0.01em;
}

#page-quiz .subpage-header__title {
  font-family: var(--quiz-serif);
}

.quiz-view[hidden] { display: none; }

.quiz-breadcrumb {
  /* extends .app-back in layout.css */
}

#quiz-session-view > #quiz-session-back {
  display: inline-flex;
  margin: 0 0 8px;
}

.quiz-level-heading {
  margin: 0;
}

.quiz-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-list-item {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  text-align: left;
  color: inherit;
  background: var(--card);
  border: none;
  border-left: 4px solid var(--tense-accent, var(--quiz-muted));
  border-radius: 14px;
  box-shadow: var(--quiz-shadow);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.quiz-list-item:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(44, 36, 25, 0.1);
}

#quiz-tense-list .quiz-list-item {
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

#quiz-tense-list .quiz-list-item:hover:not(:disabled) {
  background: color-mix(in srgb, var(--tense-accent) 18%, var(--card));
  border-left-color: var(--tense-accent);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--tense-accent) 28%, rgba(44, 36, 25, 0.12));
}

#quiz-tense-list .quiz-list-item:active:not(:disabled) {
  background: color-mix(in srgb, var(--tense-accent) 42%, var(--card));
  border-left-color: var(--tense-accent);
  transform: translateY(0);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--tense-accent) 35%, rgba(44, 36, 25, 0.1));
}

#quiz-tense-list .quiz-list-item:focus-visible:not(:disabled) {
  outline: 2px solid var(--tense-accent);
  outline-offset: 2px;
}

/* A1 时态 — 钱包式叠卡（黄红绿蓝紫） */
#quiz-tenses-view[data-level-layout="wallet"] .subpage-header {
  margin-bottom: 20px;
}

.quiz-tense-list--wallet {
  /* 顺序：Présent → PC → Imp → Fut → Cond；上层只压住下层底部 */
  --wallet-overlap: 62px;
  --wallet-lift: 15px;
  --wallet-content-h: 62px;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 8px 4px 16px;
  overflow: visible;
}

.quiz-tense-list--wallet .quiz-list-item--tense-wallet {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 150px;
  margin-top: calc(-1 * var(--wallet-overlap));
  /* 上/左右固定；下 = 150 - 14 - 62（图高）= 74px，留给叠压区 */
  padding: 14px 16px calc(150px - 14px - var(--wallet-content-h));
  text-align: left;
  background: var(--wallet-bg, var(--card));
  border: none;
  border-left: none;
  border-radius: 18px;
  box-shadow:
    0 6px 18px color-mix(in srgb, var(--wallet-bg, #000) 18%, rgba(44, 36, 25, 0.1)),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transition:
    transform 0.22s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.22s ease,
    filter 0.18s ease,
    z-index 0s;
}

/* Présent 第一；PC 叠在其上，依次至 Cond 叠在 Fut 上 */
.quiz-tense-list--wallet .quiz-list-item--tense-wallet:first-child {
  margin-top: 0;
}

.quiz-tense-list--wallet .quiz-list-item--tense-wallet[data-stack="0"] { z-index: 1; }
.quiz-tense-list--wallet .quiz-list-item--tense-wallet[data-stack="1"] { z-index: 2; }
.quiz-tense-list--wallet .quiz-list-item--tense-wallet[data-stack="2"] { z-index: 3; }
.quiz-tense-list--wallet .quiz-list-item--tense-wallet[data-stack="3"] { z-index: 4; }
.quiz-tense-list--wallet .quiz-list-item--tense-wallet[data-stack="4"] { z-index: 5; }

/* Conditionnel 垫底，无需叠压留白 */
.quiz-tense-list--wallet .quiz-list-item--tense-wallet:last-child {
  min-height: 0;
  padding-bottom: 16px;
}

.quiz-tense-list--wallet .quiz-list-item--tense-wallet {
  color: #000;
}

.quiz-tense-wallet-icon {
  flex-shrink: 0;
  width: 82px;
  height: 62px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  background: transparent;
  border-radius: 0;
  overflow: visible;
}

.quiz-tense-wallet-icon .tense-illus-img {
  width: 100%;
  height: 100%;
  max-width: 82px;
  max-height: 62px;
  object-fit: contain;
  object-position: center top;
  opacity: 0.9;
  filter: drop-shadow(0 2px 6px rgba(44, 36, 25, 0.12));
}

.quiz-tense-wallet-copy {
  flex: 1;
  min-width: 0;
  align-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quiz-tense-wallet-title {
  margin: 0;
  width: 100%;
  font-family: var(--quiz-serif);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: #000;
  text-align: center;
  white-space: normal;
  hyphens: none;
}

.quiz-tense-progress--wallet {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 2px 0 0;
}

.quiz-tense-progress-grid-wallet {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
}

.quiz-tense-progress--wallet .quiz-tense-progress-row {
  gap: 2px;
}

.quiz-tense-progress--wallet .quiz-tense-progress-slot {
  width: 12px;
  height: 18px;
}

.quiz-tense-progress--wallet .quiz-tense-progress-slot img {
  max-width: 12px;
  max-height: 18px;
}

#quiz-tense-list.quiz-tense-list--wallet .quiz-list-item--tense-wallet:hover:not(:disabled) {
  background: var(--wallet-bg, var(--card));
  border-left: none;
  filter: brightness(1.03);
}

#quiz-tense-list.quiz-tense-list--wallet .quiz-list-item--tense-wallet.is-wallet-lift:not(:disabled),
#quiz-tense-list.quiz-tense-list--wallet .quiz-list-item--tense-wallet:active:not(:disabled) {
  background: var(--wallet-bg, var(--card));
  border-left: none;
  /* 小幅上拉；z-index 不变，下层卡片仍遮住底部（如 PC 底部仍被 Imp 盖住） */
  transform: translateY(calc(-1 * var(--wallet-lift)));
  filter: brightness(1.04);
  box-shadow:
    0 14px 32px color-mix(in srgb, var(--wallet-bg, #000) 26%, rgba(44, 36, 25, 0.14)),
    inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

#quiz-tense-list.quiz-tense-list--wallet .quiz-list-item--tense-wallet:focus-visible:not(:disabled) {
  background: var(--wallet-bg, var(--card));
  border-left: none;
}

.quiz-tense-list--wallet .quiz-list-item--tense-wallet:focus-visible:not(:disabled) {
  outline: 2px solid color-mix(in srgb, var(--wallet-bg) 55%, var(--ink));
  outline-offset: 3px;
}

.quiz-tense-list--wallet .quiz-list-item--tense-wallet:disabled {
  opacity: 0.5;
  filter: grayscale(0.15);
}

.quiz-list-item:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Quiz level list — Vol.1–4 2×2 卡片（无动画）+ 底部收藏/咖啡 */
#quiz-level-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 12px;
  row-gap: 12px;
  overflow: visible;
  padding: 12px 4px 4px 4px;
}

#quiz-level-list .quiz-list-item--level {
  position: relative;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 0;
  aspect-ratio: 1;
  min-height: 0;
  padding: 10px 10px 12px;
  border-left-width: 1px;
  text-align: center;
  transition: none;
  overflow: visible;
}

.quiz-level-mascot {
  flex: 0 0 62%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  width: 100%;
  min-height: 0;
  margin-top: 0;
  pointer-events: none;
}

.quiz-level-mascot-img {
  width: auto;
  max-width: 96%;
  height: 100%;
  max-height: 108px;
  object-fit: contain;
  object-position: center bottom;
  display: block;
  background: transparent;
  opacity: 0;
  transform: scale(var(--mascot-scale, 1));
  transform-origin: center bottom;
  filter: drop-shadow(0 4px 10px rgba(61, 42, 26, 0.14));
  transition: opacity 0.12s ease;
}

.quiz-level-mascot-img.is-ready {
  opacity: 1;
}

.quiz-level-copy {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 100%;
  margin-top: 2px;
}

#quiz-level-list .quiz-list-item--level:focus-visible:not(:disabled) {
  outline: 2px solid color-mix(in srgb, var(--ink) 25%, transparent);
  outline-offset: 3px;
}

#quiz-level-list .quiz-list-item--level .quiz-list-item-title {
  margin: 0;
  width: 100%;
  font-family: var(--quiz-serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

#quiz-level-list .quiz-list-item--level .quiz-list-item-subtitle {
  margin: 0;
  width: 100%;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  opacity: 0.85;
}

#quiz-level-list .quiz-list-item--bleu {
  --quiz-level-blue: #4A78B5;
  --quiz-level-blue-hover: #3D68A2;
  --quiz-level-blue-deep: #325A8F;
  background: var(--quiz-level-blue);
  border: 1px solid color-mix(in srgb, var(--quiz-level-blue-deep) 55%, transparent);
  color: #fff;
  box-shadow: 0 10px 28px color-mix(in srgb, var(--quiz-level-blue) 42%, transparent);
}

#quiz-level-list .quiz-list-item--bleu:hover:not(:disabled) {
  background: var(--quiz-level-blue-hover);
  box-shadow: 0 18px 40px color-mix(in srgb, var(--quiz-level-blue) 50%, transparent);
}

#quiz-level-list .quiz-list-item--bleu .quiz-list-item-title {
  color: #fff;
}

#quiz-level-list .quiz-list-item--blanc {
  background: var(--module-test-white);
  border: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  color: var(--ink);
  box-shadow: 0 10px 28px rgba(61, 42, 26, 0.1);
}

#quiz-level-list .quiz-list-item--blanc:hover:not(:disabled) {
  background: #fff;
  box-shadow: 0 18px 38px rgba(61, 42, 26, 0.16);
}

#quiz-level-list .quiz-list-item--blanc .quiz-list-item-title {
  color: var(--ink);
}

/* Vol.1–4 — 档案文件夹造型（container：窄屏等比缩，桌面 min(px) 封顶不放大） */
#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc {
  container-type: size;
  aspect-ratio: 1.4 / 1;
  padding: 13% min(11px, 6.2cqw) min(9px, 7cqh);
  background: transparent;
  border: none;
  box-shadow: none;
  isolation: isolate;
  overflow: visible;
}

#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc:hover:not(:disabled) {
  background: transparent;
  box-shadow: none;
}

#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: transparent;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 128 100' preserveAspectRatio='none'%3E%3Cpath d='M5.5,2.5 H39 Q43,2.5 45.5,5.5 C48,8.5 51.5,11.5 55.5,13.8 H119.5 A4.5,4.5 0 0 1 124,18.3 V94.2 A4.5,4.5 0 0 1 119.5,98.7 H5.5 A4.5,4.5 0 0 1 1,94.2 V6.8 A4.5,4.5 0 0 1 5.5,2.5 Z' fill='%23FFFFFF'/%3E%3C/svg%3E");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  filter: drop-shadow(0 10px 28px rgba(61, 42, 26, 0.1));
  pointer-events: none;
}

#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc:hover:not(:disabled)::before {
  filter: drop-shadow(0 18px 38px rgba(61, 42, 26, 0.16));
}

#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-level-tab-label {
  position: absolute;
  top: min(7px, 7.3cqh);
  left: min(11px, 6.2cqw);
  z-index: 2;
  font-family: var(--quiz-sans);
  font-size: min(0.62rem, 5.5cqw);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1;
  color: color-mix(in srgb, var(--ink) 52%, transparent);
  pointer-events: none;
}

#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-level-mascot {
  flex: 0 0 54%;
  max-height: 58%;
  margin-top: max(-7px, -7.3cqh);
}

#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-level-mascot-img {
  width: auto;
  height: auto;
  max-width: 78%;
  max-height: min(var(--hero-mascot-h), 76cqh);
  transform: scale(calc(var(--mascot-scale, 1) * 0.94));
}

#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc[data-level="a2"] .quiz-level-mascot {
  margin-top: max(-10px, -10.4cqh);
}

#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc[data-level="a2"] .quiz-level-mascot-img {
  max-width: 82%;
  max-height: min(var(--hero-mascot-h-a2), 80cqh);
  transform: scale(calc(var(--mascot-scale, 1) * 0.98));
}

#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-level-copy {
  margin-top: 0;
  gap: min(1px, 0.8cqh);
}

#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-list-item-title {
  font-size: min(1.1rem, 9.8cqw);
  letter-spacing: 0.05em;
}

#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-list-item-subtitle {
  font-size: min(0.8rem, 7.1cqw);
}

#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-level-mascot,
#quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-level-copy {
  position: relative;
  z-index: 1;
}

/* 窄屏：不依赖 container query（iOS 上 cqh 常失效），固定缩小可颂并取消上拉 */
@media (max-width: 600px) {
  #quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-level-mascot {
    flex: 0 0 46%;
    max-height: 50%;
    margin-top: 0;
  }

  #quiz-level-list .quiz-list-item--level.quiz-list-item--blanc[data-level="a2"] .quiz-level-mascot {
    margin-top: 0;
  }

  #quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-level-mascot-img {
    max-width: 72%;
    max-height: var(--hero-mascot-h);
    transform: scale(calc(var(--mascot-scale, 1) * 0.88));
  }

  #quiz-level-list .quiz-list-item--level.quiz-list-item--blanc[data-level="a2"] .quiz-level-mascot-img {
    max-width: 74%;
    max-height: var(--hero-mascot-h-a2);
    transform: scale(calc(var(--mascot-scale, 1) * 0.92));
  }

  #quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-list-item-title {
    font-size: 0.95rem;
  }

  #quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-list-item-subtitle {
    font-size: 0.7rem;
  }

  #quiz-level-list .quiz-list-item--level.quiz-list-item--blanc .quiz-level-tab-label {
    font-size: 0.58rem;
  }
}

#quiz-level-list .quiz-list-item--rouge {
  --quiz-level-red: #B83248;
  --quiz-level-red-hover: #9E2A3D;
  --quiz-level-red-deep: #852333;
  background: var(--quiz-level-red);
  border: 1px solid color-mix(in srgb, var(--quiz-level-red-deep) 55%, transparent);
  color: var(--module-test-white);
  box-shadow: 0 10px 28px color-mix(in srgb, var(--quiz-level-red) 38%, transparent);
}

#quiz-level-list .quiz-list-item--rouge:hover:not(:disabled) {
  background: var(--quiz-level-red-hover);
  box-shadow: 0 18px 40px color-mix(in srgb, var(--quiz-level-red) 46%, transparent);
}

#quiz-level-list .quiz-list-item--rouge .quiz-list-item-title {
  color: var(--module-test-white);
}

.quiz-level-extras {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 4px;
}

#quiz-level-list .quiz-list-item--favorite {
  --quiz-favorite: #c4922a;
  --quiz-favorite-soft: rgba(196, 146, 42, 0.58);
  background: var(--paper);
  border: 2px solid var(--quiz-favorite);
  color: var(--ink);
  box-shadow: none;
}

#quiz-level-list .quiz-list-item--favorite:hover:not(:disabled) {
  background: var(--paper);
  border-color: #a67c22;
  box-shadow: 0 8px 20px rgba(196, 146, 42, 0.14);
  transform: translateY(-1px);
}

#quiz-level-list .quiz-list-item--favorite:focus-visible:not(:disabled) {
  outline: 2px solid var(--quiz-favorite);
  outline-offset: 2px;
}

#quiz-level-list .quiz-list-item--favorite .quiz-list-item-title {
  color: #6b4f12;
}

#quiz-level-list .quiz-list-item--favorite .quiz-list-item-desc {
  color: var(--quiz-favorite-soft);
}

.quiz-favorite-icon {
  flex-shrink: 0;
  width: 48px;
  font-size: 1.75rem;
  line-height: 1;
  text-align: center;
}

#quiz-level-list .quiz-list-item--coffee {
  --quiz-coffee: #6b4423;
  --quiz-coffee-soft: rgba(107, 68, 35, 0.55);
  background: var(--paper);
  border: 2px solid var(--quiz-coffee);
  color: var(--ink);
  box-shadow: none;
}

#quiz-level-list .quiz-list-item--coffee:hover:not(:disabled) {
  background: var(--paper);
  border-color: #5a3820;
  box-shadow: 0 8px 20px rgba(107, 68, 35, 0.12);
  transform: translateY(-1px);
}

#quiz-level-list .quiz-list-item--coffee:focus-visible:not(:disabled) {
  outline: 2px solid var(--quiz-coffee);
  outline-offset: 2px;
}

#quiz-level-list .quiz-list-item--coffee .quiz-list-item-title {
  color: #4a3020;
}

#quiz-level-list .quiz-list-item--coffee .quiz-list-item-desc {
  color: var(--quiz-coffee-soft);
}

.quiz-coffee-icon {
  flex-shrink: 0;
  width: 48px;
  font-size: 1.75rem;
  line-height: 1;
  text-align: center;
}

.quiz-tense-icon {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: transparent;
  border-radius: 14px;
  overflow: visible;
}

.quiz-tense-icon .tense-illus-img,
.quiz-card-tense-icon .tense-illus-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.quiz-list-item-body { flex: 1; min-width: 0; }

.quiz-list-item-title {
  margin: 0;
  font-family: var(--quiz-serif);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.quiz-list-item-desc {
  margin: 4px 0 0;
  font-size: 0.82rem;
  color: var(--quiz-muted);
  letter-spacing: 0.02em;
}

.quiz-progress-bar {
  display: none;
}

.quiz-progress-text {
  font-family: var(--quiz-serif);
  font-size: 1.05rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.quiz-progress-hint {
  font-size: 0.78rem;
  color: var(--quiz-muted);
}

.quiz-list-item-badges {
  display: inline-flex;
  gap: 2px;
  margin-left: 6px;
  font-size: 0.9rem;
  letter-spacing: -0.05em;
}

.quiz-list-item--tense-progress {
  gap: 10px;
  padding: 12px 14px;
  min-height: 72px;
}

.quiz-list-item--tense-progress .quiz-tense-icon--card {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
}

.quiz-list-item--tense-progress .quiz-tense-icon--card .tense-illus-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.quiz-list-item-body--tense {
  flex: 0 0 auto;
  min-width: 4.8rem;
  max-width: 6.5rem;
}

.quiz-list-item-body--tense .quiz-list-item-title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.25;
}

.quiz-list-item--tense-progress .quiz-tense-progress {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 2px;
}

.quiz-tense-progress-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
  flex-wrap: nowrap;
}

.quiz-tense-progress-slot {
  width: 13px;
  height: 20px;
  padding: 0;
  border: none;
  background: transparent;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quiz-tense-progress-slot img {
  width: 100%;
  height: 100%;
  max-width: 13px;
  max-height: 20px;
  object-fit: contain;
  object-position: center bottom;
  display: block;
}

.quiz-card-stage {
  position: relative;
  min-height: 420px;
  margin-bottom: 14px;
}

/* 桌面（≥769px）默认 overflow visible：卡片横滑时可视觉溢出（有意的好看效果）。
   手机（≤768px）把横滑钳制在舞台内，避免整页横向晃动；
   overflow-x: clip 只钳水平，overflow-y 保持 visible，不影响竖向内容/阴影。 */
@media (max-width: 768px) {
  .quiz-card-stage {
    overflow-x: clip;
  }
}

.quiz-parfait {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--quiz-serif);
  font-size: 2.4rem;
  font-weight: 600;
  font-style: italic;
  color: var(--tense-accent, var(--present));
  letter-spacing: 0.06em;
  background: color-mix(in srgb, var(--card) 88%, transparent);
  border-radius: 18px;
  pointer-events: none;
  animation: quiz-parfait-in 0.25s ease;
}

.quiz-parfait[hidden] { display: none; }

@keyframes quiz-parfait-in {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.quiz-card {
  position: relative;
  padding: 0 0 22px;
  background: var(--card);
  border: none;
  border-radius: 18px;
  box-shadow: var(--quiz-shadow);
  overflow: hidden;
  touch-action: pan-y;
  cursor: grab;
  user-select: none;
  will-change: transform;
}

.quiz-card.is-dragging {
  touch-action: none;
  cursor: grabbing;
}

.quiz-card-header {
  padding: 10px 20px 28px;
  background: var(--tense-accent, var(--present));
  color: #000;
  border-radius: 18px 18px 0 0;
}

.quiz-card-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.quiz-card-header-top .quiz-breadcrumb,
.quiz-card-header-top #quiz-session-back {
  flex-shrink: 0;
  margin: 0;
  width: 32px;
  height: 32px;
  min-width: 32px;
  font-size: 1.15rem;
  color: rgba(0, 0, 0, 0.78);
}

.quiz-card-header-top .quiz-breadcrumb:hover,
.quiz-card-header-top #quiz-session-back:hover {
  color: #000;
  background: rgba(0, 0, 0, 0.08);
}

.quiz-card > #quiz-session-back {
  margin: 10px 0 0 12px;
}

.quiz-card-header .quiz-card-tense {
  flex: 1;
  min-width: 0;
  margin: 0;
}

.quiz-card-header-progress {
  flex-shrink: 0;
  font-family: var(--quiz-serif);
  font-size: 1.15rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: #000;
}

.quiz-card-header-divider {
  margin: 10px 0 12px;
  border: none;
  border-top: 1px solid rgba(0, 0, 0, 0.22);
}

.quiz-card-header .quiz-card-verb-row {
  margin: 0 0 8px;
}

.quiz-card-head-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 4px;
  align-items: center;
}

.quiz-card-head-grid .quiz-card-verb-inline {
  grid-column: 1;
  grid-row: 1;
  align-self: center;
}

.quiz-card-head-grid .quiz-card-gloss-stack {
  grid-column: 1;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.quiz-card-head-grid .quiz-card-zh {
  grid-column: auto;
  grid-row: auto;
  margin: 0;
  font-size: 1rem;
  line-height: 1.35;
}

.quiz-card-se-gloss {
  margin: 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.35em;
  font-size: 0.9rem;
  line-height: 1.35;
}

/* Header bar uses tense-accent bg — se gloss in card cream */
.quiz-card-header .quiz-card-se-gloss {
  color: var(--card, #FFEED6);
}

.quiz-card-se-inf {
  font-family: var(--serif, Georgia, serif);
  font-style: italic;
  letter-spacing: 0.02em;
}

.quiz-card-header .quiz-card-se-inf {
  color: var(--card, #FFEED6);
}

.quiz-card-se-dot {
  opacity: 0.75;
}

.quiz-card-header .quiz-card-se-dot {
  color: color-mix(in srgb, var(--card, #FFEED6) 82%, transparent);
  opacity: 1;
}

.quiz-card-se-zh {
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 0.84em;
}

.quiz-card-header .quiz-card-se-zh {
  color: color-mix(in srgb, var(--card, #FFEED6) 92%, #fff 8%);
}

.quiz-card-head-grid .quiz-card-zh--empty {
  display: none;
}

.quiz-card-head-grid .quiz-card-aside {
  grid-column: 2;
  grid-row: 1 / -1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-end;
  gap: 6px;
  align-self: stretch;
}

.quiz-card-aside-tools {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
}

.quiz-card-header .quiz-hint-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  font-size: 1.35rem;
  line-height: 1;
  border: none;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  color: rgba(0, 0, 0, 0.78);
  box-shadow: none;
  transition:
    color 0.15s ease,
    background 0.15s ease,
    transform 0.12s ease;
}

.quiz-card-header .quiz-hint-btn:hover {
  color: #000;
  background: rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}

.quiz-card-header .quiz-hint-btn.is-active {
  color: #000;
  background: rgba(0, 0, 0, 0.12);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12);
}

.quiz-card-header .quiz-card-verb {
  color: #000;
}

.quiz-card-header .quiz-card-meta {
  margin: 0;
  padding: 0 0 4px;
  border-bottom: none;
}

.quiz-card-header .quiz-card-ipa {
  margin: 0;
  font-size: 0.95rem;
  font-family: var(--quiz-sans);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: rgba(0, 0, 0, 0.62);
}

.quiz-card-header .quiz-card-zh {
  color: #000;
}

.quiz-card-body {
  position: relative;
  z-index: 1;
  margin-top: -18px;
  padding: 16px 20px 0;
  background: var(--card);
  border-radius: 22px 22px 0 0;
}

.quiz-card.is-shake {
  animation: quiz-shake 0.4s ease;
}

@keyframes quiz-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

.quiz-card-verb-row {
  display: block;
  margin: 0 0 6px;
}

.quiz-star-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  font-size: 1.35rem;
  line-height: 1;
  border: none;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  opacity: 0.32;
  filter: grayscale(1);
  transition:
    opacity 0.15s ease,
    filter 0.15s ease,
    transform 0.12s ease,
    background 0.15s ease;
}

.quiz-star-btn:hover {
  opacity: 0.72;
  filter: grayscale(0.35);
  transform: translateY(-1px);
}

.quiz-star-btn.is-starred {
  opacity: 1;
  filter: none;
  background: color-mix(in srgb, #e8c45a 22%, transparent);
}

.quiz-star-btn--locked {
  opacity: 0.45;
  filter: grayscale(0.6);
}

.quiz-star-btn--locked:hover {
  opacity: 0.65;
}

.quiz-card-verb-inline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35em 0.55em;
  min-width: 0;
}

.quiz-card-verb-inline .quiz-card-verb {
  margin: 0;
}

.quiz-card-verb {
  margin: 0;
  justify-self: start;
  font-family: var(--quiz-serif);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--quiz-ink);
  line-height: 1.15;
}

.quiz-rule-btn {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px 7px 8px;
  font-family: var(--quiz-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--quiz-ink);
  background: linear-gradient(
    180deg,
    var(--card) 0%,
    color-mix(in srgb, var(--tense-accent, var(--present)) 10%, var(--card)) 100%
  );
  border: 1px solid color-mix(in srgb, var(--tense-accent, var(--present)) 40%, var(--border));
  border-radius: 10px;
  box-shadow: 0 1px 2px rgba(44, 36, 25, 0.06);
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.12s ease;
}

.quiz-rule-btn:hover {
  border-color: color-mix(in srgb, var(--tense-accent, var(--present)) 65%, var(--border));
  box-shadow: 0 2px 8px rgba(44, 36, 25, 0.1);
  transform: translateY(-1px);
}

.quiz-rule-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(44, 36, 25, 0.06);
}

.quiz-rule-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  font-style: italic;
  font-family: var(--quiz-serif);
  color: var(--card);
  background: var(--tense-accent, var(--present));
  border-radius: 50%;
  line-height: 1;
}

.quiz-rule-btn-label {
  line-height: 1;
}

.quiz-rule-backdrop {
  z-index: 240;
}

#quiz-rule-modal .modal.quiz-rule-modal {
  position: relative;
  max-width: min(400px, calc(100vw - 32px));
  padding: 20px 20px 16px;
  text-align: left;
  --tense-accent: var(--present);
}

#quiz-rule-modal .quiz-rule-modal-title {
  color: color-mix(in srgb, var(--tense-accent, var(--quiz-ink)) 72%, var(--quiz-ink));
}

.quiz-rule-modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 2rem;
  height: 2rem;
  padding: 0;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--quiz-muted);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.quiz-rule-modal-close:hover {
  color: var(--quiz-ink);
  background: rgba(44, 36, 25, 0.06);
}

.quiz-rule-modal-title {
  margin: 0 2rem 6px 0;
  font-size: 1rem;
  font-weight: 600;
}

.quiz-rule-modal-sub {
  margin: 0 0 10px;
  font-size: 0.8rem;
  color: var(--quiz-muted);
}

.quiz-rule-modal-example {
  margin: 0 0 10px;
  font-size: 0.8rem;
  color: var(--quiz-muted);
}

.quiz-rule-table {
  width: 100%;
  margin: 0 0 8px;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.quiz-rule-table th,
.quiz-rule-table td {
  padding: 4px 8px;
  text-align: left;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.quiz-rule-table th {
  width: 38%;
  font-weight: 500;
  color: var(--quiz-muted);
}

.quiz-rule-table td {
  font-weight: 500;
  color: var(--quiz-ink);
  font-family: var(--quiz-serif);
}

.quiz-rule-table td strong,
.quiz-rule-table td .quiz-rule-suffix-em {
  font-weight: 700;
  color: var(--quiz-ink);
}

.quiz-rule-table td .quiz-rule-suffix-muted {
  font-weight: 500;
  color: var(--quiz-muted);
}

.quiz-rule-table--triple th:not(:first-child),
.quiz-rule-table--triple td {
  text-align: center;
  width: auto;
}

.quiz-rule-table--triple th:first-child {
  width: 28%;
  text-align: left;
}

.quiz-rule-table--triple thead th {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--quiz-muted);
  padding-bottom: 6px;
}

.quiz-rule-table--triple th.is-active-col,
.quiz-rule-table--triple td.is-active-col {
  background: color-mix(in srgb, var(--tense-accent, var(--present)) 28%, var(--card));
}

.quiz-rule-modal-tip {
  margin: 0 0 4px;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--quiz-ink);
}

.quiz-rule-modal-tip.is-muted-example {
  color: var(--quiz-muted);
}

.quiz-rule-formula {
  margin: 0 0 10px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--quiz-serif);
  color: var(--quiz-ink);
  letter-spacing: 0.02em;
}

.quiz-rule-classification {
  margin: 0 0 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--quiz-ink);
}

.quiz-rule-section-divider {
  margin: 10px 0 12px;
  border: none;
  border-top: 1px solid color-mix(in srgb, var(--tense-accent, var(--border)) 38%, var(--border));
}

.quiz-rule-pp-section-label {
  margin: 0 0 8px;
}

.quiz-rule-modal-note {
  margin: 0 0 12px;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--quiz-muted);
}

.quiz-rule-modal-stem-rules {
  margin: 0 0 10px;
}

.quiz-rule-modal-stem-rule {
  margin: 0 0 6px;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--quiz-ink);
}

.quiz-rule-modal-stem-rules .quiz-rule-modal-stem-rule:last-child {
  margin-bottom: 0;
}

.quiz-rule-modal-stem-rule.is-highlight {
  padding: 8px 10px;
  background: color-mix(in srgb, var(--tense-accent, var(--present)) 22%, var(--card));
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--tense-accent, var(--present)) 44%, var(--border));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--tense-accent, var(--present)) 10%, transparent);
}

.quiz-rule-modal-note.is-highlight {
  padding: 8px 10px;
  color: var(--quiz-ink);
  background: color-mix(in srgb, var(--tense-accent, var(--present)) 22%, var(--card));
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--tense-accent, var(--present)) 44%, var(--border));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--tense-accent, var(--present)) 10%, transparent);
}

.quiz-rule-modal-note.is-muted {
  color: var(--quiz-muted);
}

.quiz-rule-modal-note.is-highlight strong {
  font-weight: 700;
}

.quiz-rule-modal-notes {
  margin: 0 0 12px;
  padding: 0;
  counter-reset: quiz-rule-note;
}

.quiz-rule-modal-notes .quiz-rule-modal-note {
  margin: 0 0 6px;
  counter-increment: quiz-rule-note;
}

.quiz-rule-modal-notes .quiz-rule-modal-note::before {
  content: counter(quiz-rule-note) ". ";
  font-weight: 600;
}

.quiz-rule-modal-notes .quiz-rule-modal-note:last-child {
  margin-bottom: 0;
}

.quiz-rule-modal-notes--manual {
  counter-reset: none;
}

.quiz-rule-modal-notes--manual .quiz-rule-modal-note {
  counter-increment: none;
}

.quiz-rule-modal-notes--manual .quiz-rule-modal-note::before {
  content: none;
}

.quiz-rule-collapse {
  margin: 0 0 12px;
}

.quiz-rule-collapse-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin: 0 0 8px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--quiz-ink);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.quiz-rule-collapse-chevron {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--tense-accent, var(--present)) 16%, var(--card));
  color: var(--quiz-ink);
  font-size: 0.95rem;
  line-height: 1;
  transition: transform 0.15s ease;
}

.quiz-rule-collapse-chevron::before {
  content: "▸";
}

.quiz-rule-collapse.is-expanded .quiz-rule-collapse-chevron {
  transform: rotate(90deg);
}

.quiz-rule-collapse-label {
  flex: 1 1 auto;
  line-height: 1.4;
}

.quiz-rule-collapse:not(.is-expanded) .quiz-rule-collapse-extra {
  display: none;
}

.quiz-rule-collapse:not(.is-expanded) tr.quiz-rule-collapse-extra {
  display: none;
}

.quiz-rule-table--pc-pp th,
.quiz-rule-table--pc-pp td {
  text-align: left;
}

.quiz-rule-table tr.is-active-row th,
.quiz-rule-table tr.is-active-row td {
  background: color-mix(in srgb, var(--tense-accent, var(--present)) 18%, var(--card));
  color: var(--quiz-ink);
  font-weight: 600;
}

.quiz-rule-table--pc-pp tr.is-active-row th {
  color: var(--quiz-ink);
}

.quiz-rule-table tr.is-active-row td .quiz-rule-suffix-em {
  font-weight: 700;
}

.quiz-rule-pp-ex.is-current {
  font-weight: 700;
  color: var(--quiz-ink);
}

.quiz-rule-pp-heading {
  margin: 0 0 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--quiz-ink);
}

.quiz-rule-pp-family {
  margin: 0 0 8px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
}

.quiz-rule-pp-family.is-current {
  background: color-mix(in srgb, var(--tense-accent, var(--present)) 10%, var(--card));
  border: 1px solid color-mix(in srgb, var(--tense-accent, var(--present)) 32%, var(--border));
}

.quiz-rule-pp-family.is-current .quiz-rule-pp-ex.is-current {
  font-weight: 700;
  color: var(--quiz-ink);
}

.quiz-rule-pp-family-title {
  margin: 0 0 4px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--quiz-ink);
}

.quiz-rule-pp-hint {
  font-weight: 500;
  color: var(--quiz-muted);
}

.quiz-rule-pp-family-examples {
  margin: 8px 0 0;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--quiz-muted);
}

.quiz-rule-pp-ex {
  display: inline;
  font-family: var(--quiz-serif);
}

.quiz-rule-pp-ex + .quiz-rule-pp-ex::before {
  content: " · ";
  font-family: var(--quiz-sans);
  color: var(--quiz-muted);
}

#quiz-rule-modal .modal.quiz-rule-modal {
  max-height: min(88vh, 640px);
  overflow-y: auto;
}

#quiz-rule-modal .modal-close {
  margin-top: 14px;
  width: 100%;
}

.quiz-card-meta {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.quiz-card-ipa {
  margin: 0 0 4px;
  font-size: 0.95rem;
  font-family: var(--quiz-sans);
  color: var(--quiz-muted);
  letter-spacing: 0.02em;
}

.quiz-card-zh {
  margin: 0;
  font-size: 1rem;
  color: var(--quiz-ink);
}

.quiz-card-tense {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  font-family: var(--quiz-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: #000;
  background: transparent;
}

.quiz-card-tense-icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 38px;
  margin: 0;
}

.quiz-card-tense-icon .tense-illus-img {
  opacity: 0.9;
}

.quiz-rows {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-row {
  display: block;
  padding: 10px 12px;
  background: var(--quiz-paper-deep);
  border: none;
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.quiz-row.is-checked-wrong {
  background: rgba(122, 30, 44, 0.08);
  box-shadow: inset 0 0 0 1px rgba(122, 30, 44, 0.2);
}

.quiz-row-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.quiz-row-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.quiz-row-head .quiz-row-audio {
  flex-shrink: 0;
}

.quiz-row-body {
  min-width: 0;
}

.quiz-row-answer {
  flex-shrink: 0;
  min-width: 4.5em;
  max-width: 42%;
  padding: 6px 10px;
  font-size: 0.88rem;
  font-weight: 500;
  font-family: var(--quiz-sans);
  line-height: 1.4;
  text-align: right;
  color: var(--tense-accent, var(--present));
  background: color-mix(in srgb, var(--tense-accent, var(--present)) 10%, var(--card));
  border: none;
  border-radius: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s, visibility 0.15s;
}

.quiz-row-answer.is-visible {
  opacity: 1;
  visibility: visible;
}

.quiz-row.is-checked-wrong .quiz-row-answer {
  color: #7A1E2C;
  background: rgba(122, 30, 44, 0.1);
  opacity: 1;
  visibility: visible;
}

.quiz-row-person {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--quiz-muted);
}

.quiz-row-inf {
  font-size: 0.7rem;
  font-weight: 600;
  font-style: italic;
  color: var(--quiz-muted);
  opacity: 0.85;
}

.quiz-row-inf::before {
  content: "·";
  margin-right: 6px;
  font-style: normal;
  opacity: 0.7;
}

.quiz-row-inf--se {
  color: var(--tense-accent, var(--quiz-muted));
  opacity: 1;
}

/* PC base+se dual (e.g. reprendre): se label + EN — tense rose, not gray muted */
.quiz-card .quiz-row--pc-se-dual .quiz-row-variant + .quiz-row-variant .quiz-row-inf--se {
  color: var(--tense-accent, #B83248);
  opacity: 1;
}

.quiz-row-variant-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0.15rem;
}

.quiz-row-variant-head .quiz-row-inf::before {
  content: none;
  margin: 0;
}

.quiz-row--pc-se-dual .quiz-row-variant-head .quiz-row-inf--se {
  color: var(--tense-accent, #B83248);
}

/* PC base+se challenge pilot: base-only default, optional se expand (remettre) */
.quiz-card--pc-se-challenge .quiz-row-variant--se-challenge {
  display: none;
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 10px;
}

.quiz-card--pc-se-challenge.is-pc-se-challenge-expanded .quiz-row-variant--se-challenge {
  display: block;
}

/* Expanded, before submit: soft red tint on se blocks */
.quiz-card--pc-se-challenge.is-pc-se-challenge-expanded:not(.is-quiz-checked) .quiz-row-variant--se-challenge {
  background: rgba(184, 50, 72, 0.07);
  box-shadow: inset 0 0 0 1px rgba(184, 50, 72, 0.1);
}

/* After submit: correct se → neutral gray (wrong stays error red) */
.quiz-card--pc-se-challenge.is-quiz-checked .quiz-row-variant--se-challenge.is-checked-ok {
  background: rgba(0, 0, 0, 0.04);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.07);
}

.quiz-card--pc-se-challenge.is-quiz-checked .quiz-row-variant--se-challenge.is-checked-ok .quiz-row-inf--se {
  color: var(--quiz-muted);
  opacity: 0.85;
}

/* Both wrong in one person → whole row error, not two inner boxes */
.quiz-row--pc-se-challenge.is-checked-wrong {
  background: rgba(122, 30, 44, 0.08);
  box-shadow: inset 0 0 0 1px rgba(122, 30, 44, 0.2);
}

.quiz-row--pc-se-challenge.is-checked-wrong .quiz-row-variant--base,
.quiz-row--pc-se-challenge.is-checked-wrong .quiz-row-variant--se-challenge {
  background: transparent;
  box-shadow: none;
}

.quiz-row--pc-se-challenge.is-checked-wrong .quiz-cloze-input {
  color: #7A1E2C;
  border-bottom-color: #7A1E2C;
}

.quiz-row--pc-se-challenge.is-checked-wrong .quiz-row-answer {
  color: #7A1E2C;
  background: rgba(122, 30, 44, 0.1);
  opacity: 1;
  visibility: visible;
}

.quiz-row--pc-se-challenge .quiz-row-head {
  flex-wrap: nowrap;
  gap: 8px;
}

.quiz-row--pc-se-challenge .quiz-row-head--challenge {
  flex-wrap: wrap;
  row-gap: 6px;
}

.quiz-row--pc-se-challenge .quiz-row-head .quiz-row-audio {
  flex-shrink: 0;
}

.quiz-pc-se-challenge-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  flex-shrink: 0;
  padding: 4px 10px 4px 12px;
  font-size: 0.68rem;
  font-weight: 600;
  font-family: var(--quiz-sans);
  letter-spacing: 0.02em;
  color: #7A1E2C;
  background: rgba(184, 50, 72, 0.1);
  border: 1px solid rgba(184, 50, 72, 0.22);
  border-radius: 999px;
  cursor: pointer;
  pointer-events: auto;
  position: relative;
  z-index: 2;
  transition: background 0.15s, border-color 0.15s;
}

.quiz-pc-se-challenge-btn:hover {
  background: rgba(184, 50, 72, 0.16);
  border-color: rgba(184, 50, 72, 0.35);
}

.quiz-pc-se-challenge-btn-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.35rem;
  padding: 1px 5px;
  font-size: 0.62rem;
  font-weight: 700;
  font-style: italic;
  line-height: 1.2;
  color: #fff;
  background: #B83248;
  border-radius: 999px;
}

.quiz-card.is-pc-se-challenge-expanded .quiz-pc-se-challenge-btn {
  color: var(--quiz-muted);
  background: var(--quiz-paper-deep);
  border-color: rgba(0, 0, 0, 0.08);
}

.quiz-card.is-pc-se-challenge-expanded .quiz-pc-se-challenge-btn-badge {
  display: none;
}

.quiz-row-variant.is-checked-wrong {
  background: rgba(122, 30, 44, 0.08);
  box-shadow: inset 0 0 0 1px rgba(122, 30, 44, 0.2);
  border-radius: 10px;
}

.quiz-card--pc-se-challenge.is-quiz-checked .quiz-row-variant--se-challenge.is-checked-wrong {
  background: rgba(122, 30, 44, 0.1);
  box-shadow: inset 0 0 0 1px rgba(122, 30, 44, 0.22);
}

.quiz-row-variant.is-checked-wrong .quiz-cloze-input {
  color: #7A1E2C;
  border-bottom-color: #7A1E2C;
}

.quiz-row-variant.is-checked-wrong .quiz-row-answer {
  color: #7A1E2C;
  background: rgba(122, 30, 44, 0.1);
  opacity: 1;
  visibility: visible;
}

.quiz-row-sentence {
  display: block;
  font-size: 0.92rem;
  line-height: 1.65;
}

.quiz-cloze-input {
  display: inline-block;
  min-width: 4ch;
  max-width: min(100%, 32ch);
  margin: 0 2px;
  padding: 2px 4px;
  box-sizing: content-box;
  font-size: inherit;
  font-family: var(--quiz-serif);
  font-weight: 600;
  color: var(--quiz-ink);
  background: transparent;
  border: none;
  border-bottom: 2px solid color-mix(in srgb, var(--tense-accent, var(--present)) 55%, transparent);
  border-radius: 0;
  outline: none;
  vertical-align: baseline;
}

.quiz-cloze-input:focus {
  border-bottom-color: var(--tense-accent, var(--present));
  background: rgba(255, 255, 255, 0.35);
}

.quiz-cloze-input.is-wrong,
.quiz-row.is-checked-wrong .quiz-cloze-input {
  color: #7A1E2C;
  border-bottom-color: #7A1E2C;
}

.quiz-cloze-input.is-correct {
  border-bottom-color: var(--tense-accent, var(--present));
}

.quiz-row-zh {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--quiz-muted);
}

/* PC se row EN — after .quiz-row-zh so it wins the cascade */
.quiz-card .quiz-row--pc-se-dual .quiz-row-variant + .quiz-row-variant .quiz-row-zh {
  color: color-mix(in srgb, var(--tense-accent, #B83248) 55%, var(--quiz-ink, var(--ink)));
}

.quiz-swipe-hints {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  padding: 0 20px;
  font-size: 0.75rem;
  color: var(--quiz-muted);
  letter-spacing: 0.02em;
}

.quiz-empty {
  padding: 32px 20px;
  text-align: center;
  color: var(--quiz-muted);
  background: var(--card);
  border: none;
  border-radius: 14px;
  box-shadow: var(--quiz-shadow);
}

.quiz-done {
  padding: 28px;
  text-align: center;
  background: var(--card);
  border: none;
  border-radius: 14px;
  box-shadow: var(--quiz-shadow);
}

.quiz-done h3 {
  margin: 0 0 8px;
  font-family: var(--quiz-serif);
  font-size: 1.35rem;
  font-weight: 600;
}

#page-quiz .quiz-reward-title,
#quiz-reward-modal .quiz-reward-title {
  margin: 0 0 6px;
  font-family: var(--quiz-serif);
  font-size: 1.65rem;
  font-weight: 600;
  font-style: italic;
  color: var(--present);
  letter-spacing: 0.03em;
}

#page-quiz .quiz-reward-subtitle,
#quiz-reward-modal .quiz-reward-subtitle {
  margin: 0 0 18px;
  font-family: var(--quiz-serif);
  font-size: 1.15rem;
  color: var(--quiz-ink);
  letter-spacing: 0.02em;
}