/* ============================================
   NMN Labo — NMN Quiz Styles
   Purpose: immersive, editorial-style quiz experience
   Design cues: calm scientific credibility, soft cards, clear hierarchy
   ============================================ */

.quiz-page-wrap {
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.08), transparent 28%),
    linear-gradient(180deg, #f8fffc 0%, #ffffff 26%);
}

.quiz-shell {
  display: grid;
  gap: 1.5rem;
}

.quiz-hero {
  padding: 2rem;
  border: 1px solid #d1fae5;
  border-radius: 1.5rem;
  background: linear-gradient(135deg, #ecfdf5 0%, #ffffff 55%, #f0fdfa 100%);
  box-shadow: 0 18px 40px -32px rgba(4, 120, 87, 0.45);
}

.quiz-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #047857;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(16, 185, 129, 0.18);
}

.quiz-hero h1 {
  margin-top: 1rem;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #111827;
}

.quiz-hero-copy {
  margin-top: 1rem;
  max-width: 46rem;
  font-size: 1.075rem;
  line-height: 1.8;
  color: #4b5563;
}

.quiz-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.quiz-hero-meta span {
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid #d1fae5;
  color: #065f46;
  font-size: 0.875rem;
  font-weight: 600;
}

.quiz-disclaimer-card,
.quiz-main-card,
.quiz-side-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 1.25rem;
  box-shadow: 0 18px 45px -38px rgba(15, 23, 42, 0.38);
}

.quiz-disclaimer-card {
  padding: 1rem 1.125rem;
  color: #4b5563;
}

.quiz-layout {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.quiz-main-card {
  position: relative;
  overflow: hidden;
  border: 1px solid #a7f3d0;
  border-radius: 1.6rem;
  background: linear-gradient(180deg, rgba(236, 253, 245, 0.9) 0%, #ffffff 22%, #ffffff 100%);
  box-shadow: 0 32px 70px -44px rgba(4, 120, 87, 0.48);
}

.quiz-main-card::before {
  content: "Interactive NMN quiz";
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(236, 253, 245, 0.96);
  border: 1px solid rgba(16, 185, 129, 0.22);
  color: #047857;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 10px 24px -18px rgba(4, 120, 87, 0.35);
}

.quiz-progress {
  height: 0.65rem;
  background: rgba(209, 250, 229, 0.65);
}

.quiz-progress-bar {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #10b981 0%, #14b8a6 100%);
  box-shadow: 0 0 28px rgba(20, 184, 166, 0.35);
  transition: width 0.25s ease;
}

.quiz-panel {
  margin: 1rem;
  padding: 1.6rem;
  border-radius: 1.25rem;
  border: 1px solid #ecfdf5;
  background: linear-gradient(180deg, #ffffff 0%, #fcfffe 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8), 0 18px 34px -30px rgba(15, 23, 42, 0.18);
}

.quiz-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
}

.quiz-step-label {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #059669;
}

.quiz-step-count {
  font-size: 0.875rem;
  color: #6b7280;
}

.quiz-question {
  margin: 0;
  font-size: clamp(1.4rem, 2vw, 2rem);
  line-height: 1.25;
  color: #111827;
}

.quiz-supporting-text {
  margin-top: 0.65rem;
  color: #6b7280;
  line-height: 1.7;
}

.quiz-options {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.quiz-option {
  position: relative;
  width: 100%;
  text-align: left;
  padding: 1.05rem 1.15rem 1.05rem 1.15rem;
  border-radius: 1.05rem;
  border: 1px solid #d1d5db;
  background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
  color: #1f2937;
  font: inherit;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.quiz-option::after {
  content: "Choose";
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  background: #ecfdf5;
  color: #059669;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.quiz-option:hover,
.quiz-option:focus-visible {
  transform: translateY(-2px) scale(1.005);
  border-color: #34d399;
  background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%);
  box-shadow: 0 18px 30px -24px rgba(16, 185, 129, 0.45);
  outline: none;
}

.quiz-option strong {
  display: block;
  color: #111827;
}

.quiz-option span {
  display: block;
  margin-top: 0.25rem;
  color: #6b7280;
  font-size: 0.9375rem;
}

.quiz-actions {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-top: 1.5rem;
}

.quiz-button,
.quiz-button-secondary,
.quiz-link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.9rem;
  padding: 0.8rem 1.1rem;
  border-radius: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.15s ease;
}

.quiz-button {
  border: 1px solid #047857;
  background: #047857;
  color: #ffffff;
}

.quiz-button:hover,
.quiz-button:focus-visible {
  background: #065f46;
  border-color: #065f46;
  outline: none;
}

.quiz-button-secondary,
.quiz-link-button {
  border: 1px solid #d1d5db;
  background: #ffffff;
  color: #374151;
}

.quiz-button-secondary:hover,
.quiz-button-secondary:focus-visible,
.quiz-link-button:hover,
.quiz-link-button:focus-visible {
  border-color: #34d399;
  color: #047857;
  outline: none;
}

.quiz-button[disabled],
.quiz-button-secondary[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

.quiz-side-card {
  padding: 1.25rem;
}

.quiz-side-card--soft {
  background: linear-gradient(180deg, #f8fffc 0%, #ffffff 100%);
}

.quiz-side-label {
  margin: 0 0 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #059669;
}

.quiz-side-card h2,
.quiz-side-card h3 {
  margin: 0;
  color: #111827;
  font-size: 1.2rem;
}

.quiz-side-card p {
  margin-top: 0.8rem;
  color: #4b5563;
  line-height: 1.75;
}

.quiz-reading-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.quiz-reading-list li + li {
  margin-top: 0.75rem;
}

.quiz-reading-list a {
  color: #047857;
  text-decoration: none;
  font-weight: 600;
}

.quiz-reading-list a:hover {
  text-decoration: underline;
}

.quiz-result-kicker {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #059669;
}

.quiz-result-title {
  margin-top: 0.5rem;
  font-size: clamp(1.55rem, 2.8vw, 2.35rem);
  line-height: 1.15;
  color: #111827;
}

.quiz-result-summary {
  margin-top: 1rem;
  color: #4b5563;
  line-height: 1.8;
}

.quiz-result-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.quiz-result-card {
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid #d1fae5;
  background: #f8fffc;
}

.quiz-result-card h3 {
  margin: 0;
  font-size: 1rem;
  color: #064e3b;
}

.quiz-result-card p {
  margin-top: 0.55rem;
  color: #4b5563;
  line-height: 1.7;
}

.quiz-overlay {
  margin-top: 1.25rem;
  padding: 1rem 1.05rem;
  border-radius: 1rem;
  border: 1px solid #fcd34d;
  background: #fffbeb;
}

.quiz-overlay h3 {
  margin: 0;
  color: #92400e;
  font-size: 1rem;
}

.quiz-overlay p {
  margin-top: 0.55rem;
  color: #78350f;
  line-height: 1.7;
}

.quiz-result-next-step {
  margin-top: 1.6rem;
  padding: 1.2rem;
  border-radius: 1.15rem;
  border: 1px solid #bbf7d0;
  background: linear-gradient(135deg, #ecfdf5 0%, #ffffff 55%, #f0fdfa 100%);
  box-shadow: 0 22px 42px -34px rgba(5, 150, 105, 0.34);
}

.quiz-result-next-step-copy h3 {
  margin: 0.45rem 0 0;
  font-size: 1.2rem;
  color: #111827;
}

.quiz-result-next-step-copy p {
  margin-top: 0.75rem;
  color: #4b5563;
  line-height: 1.75;
}

.quiz-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.quiz-cta-row--result {
  margin-top: 1rem;
}

.quiz-button--primary-cta {
  box-shadow: 0 18px 34px -24px rgba(4, 120, 87, 0.55);
}

.quiz-result-utility {
  margin-top: 0.85rem;
}

.quiz-evidence-note {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid #e5e7eb;
  color: #6b7280;
  font-size: 0.95rem;
  line-height: 1.7;
}

.quiz-answers-summary {
  margin-top: 1.25rem;
  border-top: 1px solid #f3f4f6;
  padding-top: 1rem;
}

.quiz-answers-summary ul {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.quiz-answers-summary li {
  padding: 0.8rem 0.9rem;
  border-radius: 0.85rem;
  background: #f9fafb;
  color: #4b5563;
}

.quiz-answers-summary strong {
  display: block;
  color: #111827;
  margin-bottom: 0.18rem;
}

@media (min-width: 960px) {
  .quiz-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.85fr);
  }

  .quiz-sidebar {
    position: sticky;
    top: 5.75rem;
  }

  .quiz-panel {
    margin: 1.1rem;
    padding: 1.95rem;
  }

  .quiz-result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quiz-result-next-step {
    display: block;
  }

  .quiz-result-next-step-copy {
    max-width: 40rem;
  }

  .quiz-cta-row--result {
    justify-content: flex-start;
    margin-top: 1.15rem;
  }

  .quiz-result-utility {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .quiz-main-card::before {
    position: static;
    display: inline-flex;
    margin: 1rem 1rem 0;
  }

  .quiz-hero {
    padding: 1.35rem;
  }

  .quiz-result-next-step {
    padding: 1rem;
  }

  .quiz-panel-head,
  .quiz-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .quiz-actions .quiz-button,
  .quiz-actions .quiz-button-secondary,
  .quiz-cta-row .quiz-button,
  .quiz-cta-row .quiz-link-button {
    width: 100%;
  }
}