/* v16 visual rebuild pass 2: answer-review, reading, listening */

/* Answer review state */
body.is-answer-revealed .question-card {
  border-color: #dbe6f3 !important;
}

body.is-answer-revealed .result-strip {
  margin: 0 !important;
  border-radius: 14px 14px 0 0 !important;
  border-left: 0 !important;
  border-right: 0 !important;
  border-top: 0 !important;
  min-height: 58px;
  align-items: center;
  padding: 15px 28px !important;
}

body.is-answer-revealed .result-strip.incorrect {
  background: linear-gradient(90deg, #fff1f1 0%, #fff 48%, #f0fff5 100%) !important;
}

body.is-answer-revealed .result-strip.correct {
  background: linear-gradient(90deg, #f0fff5 0%, #fff 100%) !important;
}

body.is-answer-revealed .question-body-label {
  display: none !important;
}

body.is-answer-revealed .prompt:not(.split-layout) {
  margin: 28px 42px 24px !important;
  padding: 0 !important;
  font-size: clamp(23px, 2.1vw, 31px) !important;
  line-height: 1.85 !important;
}

body.is-answer-revealed .option-btn {
  min-height: 104px !important;
  align-items: start !important;
  padding: 20px 22px !important;
  border-width: 1.7px !important;
}

body.is-answer-revealed .option-btn.correct {
  box-shadow: inset 0 0 0 1px rgba(34,197,94,.18), 0 10px 28px rgba(34,197,94,.08) !important;
}

body.is-answer-revealed .option-btn.incorrect {
  box-shadow: inset 0 0 0 1px rgba(239,68,68,.18), 0 10px 28px rgba(239,68,68,.08) !important;
}

body.is-answer-revealed .option-content {
  display: grid !important;
  grid-template-columns: 1fr auto;
  row-gap: 8px;
}

.option-note {
  grid-column: 1 / -1;
  display: block;
  margin-top: 2px;
  font-size: 14px;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: 0;
}

.option-note-correct { color: #15803d; }
.option-note-wrong { color: #dc2626; }

body.is-answer-revealed .question-actions {
  background: #fff !important;
}

/* Reading: stronger split-panel layout like the reference */
body.is-reading-question .question-card {
  overflow: hidden !important;
}

body.is-reading-question .prompt.split-layout {
  margin: 0 !important;
  display: grid !important;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr) !important;
  gap: 0 !important;
  border-top: 1px solid #edf2f7;
  border-bottom: 1px solid #edf2f7;
  background: #fff;
}

body.is-reading-question .prompt-passage-pane,
body.is-reading-question .prompt-question-pane {
  max-height: none !important;
  min-height: 560px;
  overflow-y: auto;
  padding: 34px 42px !important;
  background: #fff !important;
  border: 0 !important;
  font-size: clamp(17px, 1.32vw, 21px) !important;
  line-height: 2.05 !important;
  letter-spacing: .03em;
}

body.is-reading-question .prompt-passage-pane {
  border-right: 1px solid #edf2f7 !important;
}

body.is-reading-question .prompt-passage-pane::before,
body.is-reading-question .prompt-question-pane::before {
  display: block;
  margin: 0 0 24px;
  color: #0f172a;
  font-size: 22px;
  line-height: 1;
  font-weight: 950;
  letter-spacing: 0;
}

body.is-reading-question .prompt-passage-pane::before { content: "文章"; }
body.is-reading-question .prompt-question-pane::before { content: "設問"; }

body.is-reading-question .prompt-question-pane .question-body-label {
  display: block !important;
  margin: 0 0 14px !important;
  color: #0b6fff !important;
  font-size: 20px !important;
}

body.is-reading-question .options {
  padding-top: 24px !important;
}

body.is-reading-question .option-btn {
  min-height: 78px !important;
  font-size: clamp(17px, 1.28vw, 21px) !important;
}

/* Listening: custom waveform panel while keeping native audio usable */
body.is-listening-question .question-body-label,
body.is-listening-question #questionPrompt {
  display: none !important;
}

.audio-prompt-v16 {
  margin: 34px 42px 22px !important;
  padding: 28px !important;
  border-radius: 16px !important;
  border: 1px solid #dfe8f4 !important;
  background: #fff !important;
  box-shadow: none !important;
}

.audio-prompt-v16 .audio-prompt-head {
  margin-bottom: 14px;
}

.audio-prompt-v16 .audio-prompt-title {
  font-size: 20px !important;
  font-weight: 950 !important;
}

.audio-prompt-v16 .audio-ico {
  background: #0b6fff !important;
  border-radius: 999px !important;
}

.audio-player-shell {
  display: grid;
  grid-template-columns: 78px 1fr;
  align-items: center;
  gap: 28px;
  min-height: 132px;
  padding: 22px 24px;
  border: 1px solid #edf2f7;
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
}

.audio-play-orb {
  width: 78px;
  height: 78px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 28px;
  background: #0b6fff;
  box-shadow: 0 0 0 14px #eef5ff, 0 18px 34px rgba(11,111,255,.22);
}

.audio-wave {
  height: 76px;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow: hidden;
}

.audio-wave i {
  display: block;
  width: 4px;
  height: var(--h);
  min-height: 8px;
  border-radius: 999px;
  background: linear-gradient(180deg, #0b6fff, #7bb5ff);
  opacity: .9;
}

.audio-wave i:nth-child(n+30) {
  background: #d8e1ec;
  opacity: .9;
}

.audio-prompt-v16 audio {
  margin-top: 16px;
  width: 100%;
  height: 38px;
}

.audio-prompt-v16 .audio-hint {
  margin: 14px 0 0 !important;
  padding: 13px 16px;
  border-radius: 12px;
  background: #f4f8ff;
  color: #475569 !important;
  text-align: center;
  font-size: 15px !important;
  font-weight: 700;
}

/* Right rail improvements per section */
body.is-listening-question .explanation-head h3::after {
  content: " / 听力";
  color: #64748b;
  font-size: 15px;
}

body.is-reading-question .explanation-head h3::after {
  content: " / 阅读";
  color: #64748b;
  font-size: 15px;
}

body.is-unanswered .explanation-card.locked .explanation-body {
  color: #64748b;
  background: #f8fafc;
  border-radius: 12px;
  padding: 16px;
  font-weight: 700;
}

@media (max-width: 1180px) {
  body.is-reading-question .prompt.split-layout {
    grid-template-columns: 1fr !important;
  }
  body.is-reading-question .prompt-passage-pane {
    border-right: 0 !important;
    border-bottom: 1px solid #edf2f7 !important;
  }
  body.is-reading-question .prompt-passage-pane,
  body.is-reading-question .prompt-question-pane {
    min-height: auto;
    max-height: none !important;
  }
}

@media (max-width: 760px) {
  body.is-answer-revealed .prompt:not(.split-layout) {
    margin: 20px 18px 18px !important;
    font-size: 22px !important;
  }
  body.is-reading-question .prompt-passage-pane,
  body.is-reading-question .prompt-question-pane {
    padding: 22px 18px !important;
    font-size: 17px !important;
  }
  .audio-prompt-v16 {
    margin: 18px 14px !important;
    padding: 18px !important;
  }
  .audio-player-shell {
    grid-template-columns: 58px 1fr;
    gap: 18px;
    min-height: 98px;
    padding: 16px;
  }
  .audio-play-orb {
    width: 58px;
    height: 58px;
    font-size: 20px;
    box-shadow: 0 0 0 10px #eef5ff;
  }
  .audio-wave { height: 54px; gap: 3px; }
  .audio-wave i { width: 3px; }
}