/* Quiz experience, scoped to the learning hub's quiz panel. */
[data-learn-panel="quiz"] { --quiz-width: 980px; }
[data-learn-panel="quiz"] .learn-embedded-header,
[data-learn-panel="quiz"] .quiz-limit-card,
[data-learn-panel="quiz"] .quiz-setup,
[data-learn-panel="quiz"] .quiz-area,
[data-learn-panel="quiz"] .quiz-results,
[data-learn-panel="quiz"] .quiz-review,
[data-learn-panel="quiz"] .quiz-limit-reached { width: 100%; max-width: var(--quiz-width); margin-left: auto; margin-right: auto; }
[data-learn-panel="quiz"] .learn-embedded-header { margin-bottom: 24px; }
[data-learn-panel="quiz"] .learn-embedded-header h2 { font-size: clamp(2rem, 4vw, 3rem); }
[data-learn-panel="quiz"] .quiz-limit-card { padding: 20px 24px; border-radius: 18px; box-shadow: none; background: #f0f3f2; margin-bottom: 24px; }
[data-learn-panel="quiz"] .quiz-limit-count { font-size: 1.2rem; }
[data-learn-panel="quiz"] .quiz-setup > .card { padding: clamp(24px, 4vw, 44px); border-radius: 28px; border: 1px solid var(--color-border); background: linear-gradient(145deg, #fffdf9 65%, #edf2f5); box-shadow: 0 18px 45px rgba(26,42,58,.06); }
[data-learn-panel="quiz"] .quiz-setup-header { margin-bottom: 12px; align-items: flex-start; }
[data-learn-panel="quiz"] .quiz-setup-header h3 { font-size: clamp(1.8rem, 3vw, 2.35rem); line-height: 1.2; }
[data-learn-panel="quiz"] .quiz-bank-note { max-width: 650px; margin: 0 0 32px; font-size: 1rem; line-height: 1.65; }
[data-learn-panel="quiz"] .quiz-form-group { margin-bottom: 28px; }
[data-learn-panel="quiz"] .quiz-form-group > label { font-size: .9rem; margin-bottom: 12px; }
[data-learn-panel="quiz"] .quiz-form-group > label::before { color: var(--color-accent); font-size: .75rem; margin-right: 10px; font-weight: 700; }
[data-learn-panel="quiz"] label[for="quiz-category"]::before { content: '01'; }
[data-learn-panel="quiz"] label[for="quiz-level"]::before { content: '02'; }
[data-learn-panel="quiz"] label[for="quiz-count"]::before { content: '03'; }
[data-learn-panel="quiz"] .filter-select { min-height: 58px; padding: 15px 42px 15px 18px; border-radius: 14px; background-color: var(--color-surface); font-size: 1.05rem; }
.quiz-picker { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.quiz-picker[hidden], [data-learn-panel="quiz"] select[hidden] { display: none; }
.quiz-level-choice { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 9px; padding: 22px; border: 1.5px solid var(--color-border); border-radius: 18px; text-align: left; color: var(--color-text); background: var(--color-surface); cursor: pointer; font: inherit; transition: border-color .18s, background .18s, box-shadow .18s; }
.quiz-level-choice strong { font-size: 1.1rem; }
.quiz-level-choice small { font-size: .85rem; line-height: 1.5; color: var(--color-text-secondary); }
.quiz-level-mark { display: flex; align-items: flex-end; gap: 4px; height: 26px; margin-bottom: 5px; }
.quiz-level-mark i { width: 6px; height: 10px; border-radius: 3px; background: currentColor; opacity: .35; }
.quiz-level-mark i:nth-child(2) { height: 17px; }
.quiz-level-mark i:nth-child(3) { height: 24px; }
.quiz-level-choice.is-selected { border-color: var(--color-primary); background: #eaf1f6; box-shadow: inset 0 0 0 1px var(--color-primary); }
.quiz-level-choice.is-selected .quiz-level-mark { color: var(--color-primary); }
.quiz-level-choice.is-selected::after { content: '✓'; position: absolute; right: 17px; top: 17px; color: var(--color-primary); font-weight: 700; }
.quiz-level-choice:hover { border-color: var(--color-primary); }
.quiz-length-picker { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.quiz-length-choice { display: flex; align-items: baseline; gap: 10px; padding: 15px 22px; border: 1.5px solid var(--color-border); border-radius: 14px; background: var(--color-surface); color: var(--color-text); cursor: pointer; font: inherit; }
.quiz-length-choice strong { font-size: 1.25rem; }
.quiz-length-choice small { color: var(--color-text-secondary); font-size: .85rem; }
.quiz-length-choice.is-selected { border-color: var(--color-primary); background: #eaf1f6; box-shadow: inset 0 0 0 1px var(--color-primary); }
[data-learn-panel="quiz"] button:focus-visible, [data-learn-panel="quiz"] select:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 4px; }
[data-learn-panel="quiz"] #start-quiz-btn { min-height: 62px; border-radius: 15px; font-size: 1.1rem; box-shadow: 0 8px 18px rgba(44,95,138,.18); }
[data-learn-panel="quiz"] .quiz-header { margin: 32px 0 14px; gap: 16px; }
[data-learn-panel="quiz"] .quiz-progress { font-size: 1rem; font-weight: 600; color: var(--color-text); }
[data-learn-panel="quiz"] .quiz-score { padding: 9px 16px; background: #e9eff3; color: var(--color-primary); border-radius: 100px; font-size: .95rem; }
[data-learn-panel="quiz"] .progress-bar-wrapper { max-width: none; width: 100%; }
[data-learn-panel="quiz"] .progress-bar { height: 9px; max-width: none; width: 100%; border-radius: 12px; background: #e5e9ea; }
[data-learn-panel="quiz"] .progress-bar-fill { background: linear-gradient(90deg, var(--color-primary), #79a2bd); border-radius: inherit; }
[data-learn-panel="quiz"] .quiz-question-card { padding: clamp(24px,4.5vw,52px); border-radius: 28px; border: 1px solid var(--color-border); border-top: 5px solid var(--color-primary); box-shadow: 0 18px 45px rgba(26,42,58,.07); }
[data-learn-panel="quiz"] .quiz-question-card h3 { color: var(--color-primary); font-size: .8rem; font-weight: 700; letter-spacing: .045em; line-height: 1.6; margin-bottom: 18px; }
[data-learn-panel="quiz"] .quiz-question-card .question-text { font-family: var(--font-body); font-size: clamp(1.2rem,2.1vw,1.5rem); font-weight: 600; line-height: 1.65; margin-bottom: 32px; }
[data-learn-panel="quiz"] .quiz-options { gap: 13px; }
[data-learn-panel="quiz"] .quiz-options-compact { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
[data-learn-panel="quiz"] .quiz-option { align-items: center; min-height: 80px; gap: 18px; padding: 20px 24px; border-radius: 17px; font-size: 1.06rem; line-height: 1.6; border-width: 1.5px; }
[data-learn-panel="quiz"] .quiz-option .option-letter { width: 38px; height: 38px; border-radius: 12px; margin: 0; color: var(--color-primary); background: #edf1f3; font-size: .95rem; }
[data-learn-panel="quiz"] .quiz-option:hover:not(:disabled) { background: #eff4f7; box-shadow: 0 3px 12px rgba(44,95,138,.07); }
[data-learn-panel="quiz"] .quiz-option.disabled { opacity: .8; }
[data-learn-panel="quiz"] .quiz-option.correct, [data-learn-panel="quiz"] .quiz-option.incorrect { opacity: 1; }
[data-learn-panel="quiz"] .quiz-option.correct .option-letter { color: white; background: #527b51; }
[data-learn-panel="quiz"] .quiz-option.incorrect .option-letter { color: white; background: #ad4747; }
[data-learn-panel="quiz"] .quiz-answer-feedback { border-radius: 18px; padding: 24px; margin-top: 26px; }
[data-learn-panel="quiz"] .quiz-answer-feedback strong { font-size: 1.1rem; margin-bottom: 8px; }
[data-learn-panel="quiz"] .quiz-answer-feedback p { font-size: 1rem; line-height: 1.75; color: var(--color-text); }
[data-learn-panel="quiz"] .quiz-next-btn { text-align: right; padding-top: 22px; border-top: 1px solid var(--color-border-light); }
[data-learn-panel="quiz"] .quiz-next-btn .btn { min-height: 54px; min-width: 210px; border-radius: 14px; }
[data-learn-panel="quiz"] .quiz-results > .card, [data-learn-panel="quiz"] .quiz-review > .card { border-radius: 28px; padding: clamp(24px,4vw,48px); }
[data-learn-panel="quiz"] .results-score { font-size: clamp(3.5rem,7vw,5.5rem); margin: 20px 0; line-height: 1.1; }
[data-learn-panel="quiz"] .quiz-results-breakdown { max-width: none; gap: 12px; }
[data-learn-panel="quiz"] .quiz-result-stat { padding: 20px 16px; border-radius: 16px; background: #f0f3f5; }
[data-learn-panel="quiz"] .quiz-result-stat strong { font-size: 1.25rem; }
[data-learn-panel="quiz"] .quiz-result-stat span { color: var(--color-text-secondary); line-height: 1.5; }
[data-learn-panel="quiz"] #quiz-review-term { font-family: var(--font-body); font-size: 1.2rem; line-height: 1.65; }
@media (max-width: 640px) {
  [data-learn-panel="quiz"] .quiz-options-compact { grid-template-columns: 1fr; }
  .quiz-picker { grid-template-columns: 1fr; gap: 10px; }
  .quiz-level-choice { display: grid; grid-template-columns: 32px 1fr; gap: 4px 14px; padding: 17px 42px 17px 17px; }
  .quiz-level-mark { grid-row: span 2; align-self: center; margin: 0; }
  .quiz-level-choice small { grid-column: 2; }
  .quiz-length-picker { grid-template-columns: 1fr; }
  .quiz-length-choice { flex: 1; justify-content: center; padding: 14px; }
  [data-learn-panel="quiz"] .quiz-limit-card { padding: 18px; }
  [data-learn-panel="quiz"] .quiz-option { padding: 16px; gap: 12px; min-height: 72px; font-size: 1rem; }
  [data-learn-panel="quiz"] .quiz-option .option-letter { width: 32px; height: 32px; border-radius: 9px; }
  [data-learn-panel="quiz"] .quiz-question-card { border-radius: 22px; }
  [data-learn-panel="quiz"] .quiz-next-btn .btn { width: 100%; min-width: 0; }
  [data-learn-panel="quiz"] .quiz-answer-feedback { padding: 18px; }
  [data-learn-panel="quiz"] .results-actions > .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  [data-learn-panel="quiz"] *, [data-learn-panel="quiz"] *::before, [data-learn-panel="quiz"] *::after { transition: none; animation: none; scroll-behavior: auto; }
}

/* Completed quiz review: all questions, no answer text interpreted as markup. */
.quiz-review-header { margin-bottom: 1.5rem; }
.quiz-review-header .btn { margin-top: 1rem; }
.quiz-result-question { padding: clamp(1.25rem, 4vw, 2rem); margin-bottom: 1.5rem; }
.quiz-result-question h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); line-height: 1.4; }
.quiz-result-status { font-weight: 700; margin-bottom: .75rem; }
.quiz-result-status.correct { color: #356540; }
.quiz-result-status.incorrect { color: #a34130; }
.quiz-result-answers { display: grid; gap: .65rem; margin: 1.25rem 0; }
.quiz-result-answer { padding: .85rem 1rem; margin: 0; border: 1px solid #e5dfd5; border-radius: .65rem; overflow-wrap: anywhere; }
.quiz-result-answer.correct { border-color: #548455; background: #f1f7ef; }
.quiz-result-answer.incorrect { border-color: #bd715d; background: #fff3ef; }
.quiz-review-explanation { line-height: 1.7; margin-bottom: 1.25rem; }
.quiz-learning-links { display: flex; flex-wrap: wrap; gap: .75rem; }
.quiz-learning-links .btn { white-space: normal; text-align: center; }
@media (max-width: 540px) { .quiz-learning-links .btn { width: 100%; } }

.quiz-premium-learning-note { font-size: .83rem; color: #687580; margin: -.4rem 0 1.25rem; font-weight: 400; }