.cehub-quiz {
  margin: 3rem auto 2rem;
  max-width: 900px;
  text-align: left;
}

.cehub-quiz-card {
  background: #ffffff;
  border: 1px solid #d7efe3;
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(25, 135, 84, 0.08);
  overflow: hidden;
}

.cehub-quiz-header {
  background: linear-gradient(135deg, #f0f7f4 0%, #f9fffb 100%);
  border-bottom: 1px solid #d7efe3;
  padding: 1.25rem;
}

.cehub-quiz-card.is-collapsed .cehub-quiz-header {
  border-bottom: 0;
}

.cehub-quiz-kicker {
  color: #2ecc71;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cehub-quiz-title-row {
  align-items: flex-start;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.cehub-quiz-summary {
  color: #2ecc71;
  font-size: 0.9rem;
  font-weight: 700;
  margin-top: 0.75rem;
}

.cehub-quiz-header-actions {
  align-items: flex-end;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  gap: 0.75rem;
}

.cehub-quiz-body {
  padding: 1.25rem;
}

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

.cehub-quiz-toggle {
  align-items: center;
  display: inline-flex;
  justify-content: center;
  min-width: 11rem;
}

.cehub-quiz-progress {
  background: #edf5f1;
  border-radius: 999px;
  height: 0.6rem;
  margin-bottom: 1rem;
  overflow: hidden;
}

.cehub-quiz-progress-bar {
  background: linear-gradient(90deg, #2ecc71 0%, #0d6efd 100%);
  border-radius: inherit;
  height: 100%;
  transition: width 0.25s ease;
  width: 0;
}

.cehub-quiz-meta {
  align-items: center;
  color: #6c757d;
  display: flex;
  flex-wrap: wrap;
  font-size: 0.9rem;
  gap: 0.75rem;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.cehub-quiz-question {
  color: #212529;
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1rem;
}

.cehub-quiz-options {
  display: grid;
  gap: 0.75rem;
}

.cehub-quiz-option {
  align-items: flex-start;
  background: #f8fafb;
  border: 1px solid #e3eeea;
  border-radius: 12px;
  color: #212529;
  display: flex;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  text-align: left;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  width: 100%;
}

.cehub-quiz-option:hover,
.cehub-quiz-option:focus-visible {
  background: #f0f7f4;
  border-color: #9bd4b8;
  box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.12);
  outline: 0;
}

.cehub-quiz-option[aria-pressed="true"] {
  background: #e9f7ef;
  border-color: #2ecc71;
}

.cehub-quiz-option.is-correct {
  background: #e9f7ef;
  border-color: #2ecc71;
}

.cehub-quiz-option.is-wrong {
  background: #fff3f3;
  border-color: #dc3545;
}

.cehub-quiz-option-marker {
  align-items: center;
  background: #ffffff;
  border: 1px solid #d7efe3;
  border-radius: 999px;
  display: inline-flex;
  flex: 0 0 auto;
  font-weight: 700;
  height: 1.75rem;
  justify-content: center;
  width: 1.75rem;
}

.cehub-quiz-feedback {
  border-radius: 12px;
  margin-top: 1rem;
  min-height: 3.25rem;
  padding: 0.9rem 1rem;
}

.cehub-quiz-source {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.cehub-quiz-feedback.is-correct {
  background: #e9f7ef;
  border: 1px solid #b7e4cc;
  color: #0f5132;
}

.cehub-quiz-feedback.is-wrong {
  background: #fff3f3;
  border: 1px solid #f1b8be;
  color: #842029;
}

.cehub-quiz-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  margin-top: 1.25rem;
}

.cehub-quiz-actions .btn[aria-disabled="true"],
.cehub-quiz-actions .btn.is-disabled {
  cursor: not-allowed;
  opacity: 0.48;
  position: relative;
}

.cehub-quiz-actions .btn[aria-disabled="true"]:hover,
.cehub-quiz-actions .btn[aria-disabled="true"]:focus-visible,
.cehub-quiz-actions .btn.is-disabled:hover,
.cehub-quiz-actions .btn.is-disabled:focus-visible {
  box-shadow: none;
  filter: grayscale(0.35);
}

.cehub-quiz-actions .btn[aria-disabled="true"][title]:hover::after,
.cehub-quiz-actions .btn[aria-disabled="true"][title]:focus-visible::after,
.cehub-quiz-actions .btn.is-disabled[title]:hover::after,
.cehub-quiz-actions .btn.is-disabled[title]:focus-visible::after {
  background: #24362d;
  border-radius: 8px;
  bottom: calc(100% + 0.55rem);
  color: #ffffff;
  content: attr(title);
  font-size: 0.78rem;
  font-weight: 600;
  left: auto;
  line-height: 1.35;
  max-width: 15rem;
  padding: 0.45rem 0.65rem;
  position: absolute;
  right: 0;
  text-align: center;
  transform: none;
  width: max-content;
  z-index: 20;
}

.cehub-quiz-actions .btn[aria-disabled="true"][title]:hover::before,
.cehub-quiz-actions .btn[aria-disabled="true"][title]:focus-visible::before,
.cehub-quiz-actions .btn.is-disabled[title]:hover::before,
.cehub-quiz-actions .btn.is-disabled[title]:focus-visible::before {
  border-left: 0.35rem solid transparent;
  border-right: 0.35rem solid transparent;
  border-top: 0.35rem solid #24362d;
  bottom: calc(100% + 0.2rem);
  content: "";
  left: auto;
  position: absolute;
  right: 1.5rem;
  transform: translateX(-50%);
  z-index: 21;
}

.cehub-quiz-result {
  background: #f8fafb;
  border: 1px solid #e3eeea;
  border-radius: 14px;
  margin-top: 1rem;
  padding: 1rem;
}

.cehub-quiz-result-badge {
  align-items: center;
  background: #2ecc71;
  border-radius: 999px;
  color: #ffffff;
  display: inline-flex;
  font-size: 0.84rem;
  font-weight: 700;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
  padding: 0.45rem 0.75rem;
}

.cehub-quiz-result-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
}

.cehub-quiz-result-item {
  background: #ffffff;
  border: 1px solid #e3eeea;
  border-radius: 12px;
  padding: 0.85rem;
}

.cehub-quiz-result-value {
  color: #2ecc71 ;
  font-size: 1.3rem;
  font-weight: 800;
}

.cehub-quiz-status {
  color: #6c757d;
  font-size: 0.9rem;
}

@media (max-width: 576px) {
  .cehub-quiz-title-row,
  .cehub-quiz-header-actions,
  .cehub-quiz-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .cehub-quiz-toggle {
    width: 100%;
  }

  .cehub-quiz-result-grid {
    grid-template-columns: 1fr;
  }
}