.quiz-page { width: min(820px, calc(100% - 40px)); margin: 32px auto 64px; min-height: calc(100svh - 270px); }
.question-panel { border: 2px solid var(--ink); border-radius: var(--radius-card); box-shadow: var(--shadow-card); background: white; }
.panel-bar { border-radius: calc(var(--radius-card) - 3px) calc(var(--radius-card) - 3px) 0 0; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: clamp(8px, 1.4vw, 20px); background: var(--ink); color: white; padding: 12px 24px; font-size: 14px; font-weight: 650; }
.panel-title { text-align: center; word-break: keep-all; }
.question-count { color: #c7d4e9; font-variant-numeric: tabular-nums; }
.question-count strong { font-size: 21px; color: white; }
progress { display: block; width: 100%; height: 5px; border: 0; appearance: none; background: var(--sky); color: var(--blue); }
progress::-webkit-progress-bar { background: var(--sky); }
progress::-webkit-progress-value { background: var(--blue); transition: width 140ms ease; }
progress::-moz-progress-bar { background: var(--blue); }
.question-body { padding: 32px 36px 24px; }
.question-body h1 { min-height: 122px; display: flex; align-items: center; justify-content: center; text-align: center; font-size: clamp(23px, 3.5vw, 32px); line-height: 1.65; margin-bottom: 30px; }
.answer-options { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.option-button { min-width: 0; min-height: 76px; display: flex; align-items: center; gap: 14px; text-align: left; padding: 16px 20px; border: 2px solid var(--ink); border-radius: var(--radius-control); box-shadow: var(--shadow-button); background: var(--paper); color: var(--ink); font-size: 23px; font-weight: 750; transition: background 100ms ease, transform 100ms ease, box-shadow 100ms ease; }
@media (hover: hover) { .option-button:hover:not(:disabled) { background: var(--sky); border-color: var(--blue-active); } }
.option-button[aria-pressed="true"] { background: var(--sky); border-color: var(--blue-active); color: var(--blue-active); transform: translate(3px,3px); box-shadow: 1px 1px 0 var(--ink); }
.option-button:active:not(:disabled) { transform: translate(4px,4px); box-shadow: none; }
.option-button { position: relative; isolation: isolate; overflow: hidden; width: 100%; justify-content: center; text-align: center; }
.option-button > span { position: relative; z-index: 1; }
.option-button > .answer-feedback { position: absolute; right: clamp(14px, 2vw, 28px); top: 50%; width: 16px; height: 16px; border-radius: 50%; background: var(--blue); pointer-events: none; animation: answer-dot 180ms ease-out both; }
@keyframes answer-dot { 0% { opacity: 0; transform: translateY(-50%) scale(.4); } 40% { opacity: .8; transform: translateY(-50%) scale(1); } 100% { opacity: 0; transform: translateY(-50%) scale(.85); } }
/* Keep both answering and results focused on the quiz. */
.quiz-focus { --quiz-gutter: clamp(16px, 2.2vw, 36px); }
.quiz-focus .site-header, .quiz-focus .site-footer, .quiz-result .site-header, .quiz-result .site-footer { display: none; }
.quiz-focus .quiz-page { width: calc(100% - var(--quiz-gutter) * 2); max-width: 1800px; min-height: 100svh; margin: 0 auto; padding: var(--quiz-gutter) 0; }
.quiz-focus [data-quiz-id] { display: grid; grid-template-rows: 1fr; min-height: calc(100svh - var(--quiz-gutter) * 2); }
.quiz-focus .question-panel { display: flex; flex-direction: column; min-width: 0; }
.quiz-focus .panel-bar { min-height: 68px; padding: clamp(14px, 2.4vh, 28px) clamp(22px, 3vw, 52px); font-size: clamp(16px, 1.5vw, 24px); }
.quiz-focus .question-count { font-size: clamp(17px, 1.7vw, 26px); }
.quiz-focus .question-count strong { font-size: clamp(28px, 2.6vw, 42px); }
.quiz-focus .question-body { flex: 1; display: grid; grid-template-rows: minmax(130px, 1fr) auto; gap: clamp(18px, 3svh, 36px); padding: clamp(24px, 3.5vw, 56px) clamp(22px, 4.4vw, 76px); }
.quiz-focus .question-body h1 { min-height: 0; margin: 0; font-size: clamp(26px, 3.4vw, 56px); line-height: 1.55; }
.quiz-focus .answer-options { gap: clamp(16px, 2.4vw, 40px); }
.quiz-focus .option-button { min-height: clamp(80px, 12svh, 140px); padding: clamp(16px, 2.2vw, 34px); gap: clamp(14px, 1.7vw, 26px); font-size: clamp(24px, 2.5vw, 40px); }
.quiz-back { position: relative; display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px; color: white; font-size: 15px; white-space: nowrap; text-decoration: none; }
.quiz-back::before { content: ""; position: absolute; inset: -8px -10px; }
.quiz-back:hover { background: rgba(255,255,255,.12); }
.quiz-back:focus-visible { outline-color: white; }
.result-panel { text-align: center; padding: 36px 28px; border: 2px solid var(--ink); border-radius: var(--radius-card); box-shadow: var(--shadow-card); background: white; }
.result-score { line-height: 1.1; margin: 22px 0; display: flex; align-items: baseline; justify-content: center; gap: 12px; color: var(--ink); font-variant-numeric: tabular-nums; }
.result-score strong { font-size: clamp(80px, 15vw, 116px); letter-spacing: -.06em; }
.result-score span { font-size: 32px; color: var(--muted); }
.result-panel h1 { font-size: clamp(24px, 4vw, 32px); }
.score-distribution { border-radius: var(--radius-control); margin: 28px auto 0; padding: 24px 12px 18px; max-width: 620px; background: var(--paper); border: 1px solid var(--line); }
.score-distribution figcaption { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.distribution-basis { color: var(--muted); font-size: 14px; font-weight: 650; }
.distribution-rank { color: var(--ink); font-size: clamp(30px, 5vw, 42px); line-height: 1.3; letter-spacing: -.035em; }
.distribution-rank > span { color: var(--blue-active); }
.distribution-chart { display: block; width: 100%; height: auto; overflow: visible; margin: 18px auto 8px; }
.distribution-area { fill: var(--sky); }
.distribution-curve { fill: none; stroke: var(--blue); stroke-width: 3; stroke-linejoin: round; }
.distribution-axis { stroke: #9aa5b4; stroke-width: 1; }
.distribution-guide { stroke: var(--blue-active); stroke-width: 2; stroke-dasharray: 5 5; }
.distribution-marker-label { fill: var(--blue-active); }
.distribution-marker-text { fill: white; font-size: 18px; font-weight: 750; }
.distribution-connector { stroke: var(--blue-active); stroke-width: 2; }
.distribution-marker-halo { fill: var(--sky); stroke: var(--blue-active); stroke-width: 2; }
.distribution-marker { fill: var(--blue-active); }
.distribution-tick { fill: var(--muted); font-size: 17px; }
.distribution-note { margin: 0 auto; max-width: 440px; padding: 0 10px; color: var(--muted); font-size: 13px; }
.result-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 24px; }
.intro-actions { justify-content: flex-start; margin: 0 0 32px; }
.result-section { margin-top: 44px; scroll-margin-top: 24px; }
.breakdown { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.breakdown > div { border-radius: var(--radius-control); padding: 18px 24px; background: white; border: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.breakdown strong { font-size: 28px; color: var(--ink); }
.breakdown small { font-size: 16px; color: var(--muted); font-weight: 500; }
.count-label { display: inline-block; color: var(--blue-active); padding-left: 8px; }
.review-card { border-radius: var(--radius-control); background: white; border: 1px solid var(--line); padding: 26px; margin-top: 16px; }
.review-card h3 { font-size: 21px; line-height: 1.65; }
.review-card h4 { margin-bottom: 10px; }
.review-card > p:last-child { margin-bottom: 0; }
.answer-comparison { display: flex; gap: 28px; border-bottom: 1px solid var(--line); padding-bottom: 16px; margin: 20px 0; }
.answer-comparison > div { display: flex; align-items: baseline; gap: 8px; }
.answer-comparison dt { font-size: 13px; color: var(--muted); }
.answer-comparison dd { margin: 0; font-weight: 750; color: var(--ink); }
.answer-comparison .answer-incorrect { color: #b42318; }
.answer-comparison .answer-correct { color: #167044; }
.example { border-radius: var(--radius-control); background: var(--sky); padding: 18px 20px; font-size: 14px; margin-top: 20px; }
.example-title { font-weight: 750; }
.example dl { margin: 0; }
.example dl > div { display: grid; grid-template-columns: 48px 1fr; gap: 8px; margin-top: 8px; }
.example dt { color: var(--blue-active); font-weight: 750; }
.example dd { margin: 0; }
.all-explanations { margin-top: 24px; border-bottom: 1px solid var(--line); }
.all-explanations summary > span { float: right; color: var(--muted); font-weight: 400; font-size: 14px; }
.share-modal-open { overflow: hidden; }
.share-dialog { width: min(480px, calc(100% - 36px)); max-height: calc(100svh - 48px); margin: auto; padding: clamp(20px, 4vw, 30px); overflow-y: auto; color: var(--ink); background: var(--paper); border: 2px solid var(--ink); border-radius: var(--radius-card); box-shadow: var(--shadow-card); }
.share-dialog[open] { animation: share-scale-up 200ms cubic-bezier(.2,.8,.2,1) both; }
.share-dialog::backdrop { background: rgba(16,35,71,.5); }
.share-dialog-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.share-dialog-heading h2 { margin: 0; font-size: 24px; }
.share-summary { border-radius: var(--radius-control); margin: 20px 0; padding: 20px 12px; text-align: center; background: var(--sky); border: 1px solid var(--line); }
.share-summary p { margin: 0 0 8px; }
.share-summary p:last-child { margin: 0; }
.share-score { font-size: 24px; }
.share-score strong { font-size: 64px; line-height: 1.2; color: var(--blue-active); }
.share-dialog label { display: block; margin-bottom: 8px; font-size: 14px; font-weight: 650; }
.share-url-row { display: flex; gap: 10px; }
.share-url-row input { min-width: 0; width: 100%; border: 1px solid var(--line); background: white; color: var(--ink); padding: 12px; font-size: 16px; border-radius: var(--radius-control); }
.share-url-row button { flex-shrink: 0; }
.share-dialog .share-buttons > button { flex: 1; }
.share-manual { margin-top: 18px; }
@keyframes share-scale-up { from { opacity: 0; transform: scale(.92); } to { opacity: 1; transform: scale(1); } }
.share-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 24px; align-items: center; }
.share-status { margin: 14px 0 0; font-size: 14px; }
.related { grid-template-columns: repeat(2,minmax(0,1fr)); }
.related .quiz-card { padding: 22px; }
.related .quiz-card h2 { font-size: 21px; }
@media (max-width: 600px) {
  .quiz-page { margin-top: 18px; }
  .panel-bar { padding: 9px 16px; font-size: 13px; }
  .question-body { padding: 24px 18px 20px; }
  .question-body h1 { min-height: 108px; font-size: 23px; margin-bottom: 24px; }
  .answer-options { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .option-button { padding: 12px; min-height: 68px; font-size: 21px; gap: 8px; }
  .result-panel { padding: 28px 18px; }
  .score-distribution { border-radius: var(--radius-control); padding: 20px 0 16px; margin-top: 22px; }
  .distribution-marker-text { font-size: 23px; }
  .distribution-tick { font-size: 24px; }
  .distribution-note { font-size: 12px; padding: 0 12px; }
  .breakdown > div { border-radius: var(--radius-control); padding: 14px; flex-direction: column; align-items: flex-start; gap: 0; }
  .review-card { border-radius: var(--radius-control); padding: 20px; }
  .review-card h3 { font-size: 19px; }
  .related { grid-template-columns: 1fr; }
  .quiz-focus { --quiz-gutter: 18px; }
  .quiz-focus .quiz-page { display: flex; align-items: center; padding: 24px 0; }
  .quiz-focus [data-quiz-id] { display: block; width: 100%; min-height: 0; }
  .quiz-focus .question-panel { min-height: min(580px, calc(100svh - 48px)); box-shadow: var(--shadow-card); }
  .quiz-focus .panel-bar { min-height: 60px; padding: 8px 12px; font-size: 14px; }
  .quiz-focus .quiz-back { font-size: 14px; padding-inline: 6px; }
  .quiz-focus .question-count { font-size: 14px; white-space: nowrap; }
  .quiz-focus .question-count strong { font-size: 24px; }
  .quiz-focus .question-body { grid-template-rows: minmax(160px, 1fr) auto; padding: 28px 22px; gap: 28px; }
  .quiz-focus .question-body h1 { font-size: clamp(23px, 5.8vw, 28px); line-height: 1.6; text-wrap: pretty; }
  .quiz-focus .option-button { min-height: 68px; padding: 14px; font-size: 22px; }
  .quiz-focus .answer-options { gap: 14px; }
}
@media (max-width: 360px) { .quiz-page { width: calc(100% - 28px); } .quiz-focus .question-body { padding-inline: 14px; } .quiz-focus .option-button { padding-inline: 10px; font-size: 22px; } }

/* Decorative only: never intercept result buttons or scrolling. */
.quiz-confetti { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 30; }
@media (prefers-reduced-motion: reduce) { .quiz-confetti { display: none; } }

.quiz-focus .multiple-choice .option-button { min-height: 70px; font-size: clamp(18px, 2vw, 26px); padding: 16px 34px; }
.quiz-focus .scenario-question .question-body { grid-template-rows: auto auto 1fr; gap: 18px; }
.question-context { margin: 0; text-align: center; color: var(--muted); font-size: clamp(17px, 2vw, 23px); }
.quiz-focus .scenario-question .question-body h1 { font-size: clamp(22px, 2.6vw, 36px); }
.quiz-focus .scenario-question .answer-options { align-content: center; }
.quiz-focus .scenario-question .option-button { font-size: clamp(16px, 1.7vw, 22px); line-height: 1.6; }
@media (max-width: 600px) {
  .quiz-focus .multiple-choice .question-body { gap: 18px; padding: 24px 18px; }
  .quiz-focus .multiple-choice .option-button { min-height: 60px; padding: 12px 30px; font-size: 17px; }
  .quiz-focus .multiple-choice .answer-options { gap: 12px; }
  .quiz-focus .scenario-question .question-body { grid-template-rows: auto auto auto; }
  .quiz-focus .scenario-question .option-button { font-size: 16px; }
  .quiz-focus .multiple-choice .panel-title { font-size: 12px; }
}

/* A single board keeps all twelve topics visible as one collection. */
.bingo-section { margin-top: 32px; }
.bingo-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.bingo-heading h2 { margin: 0; font-size: clamp(18px, 3vw, 24px); }
.bingo-heading > span { color: var(--muted); font-size: 14px; white-space: nowrap; }
.bingo-board { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2px; overflow: hidden; padding: 2px; border: 2px solid var(--ink); border-radius: var(--radius-card); background: #c8cfd8; box-shadow: var(--shadow-card); }
.bingo-tile { min-width: 0; min-height: 160px; padding: 22px 14px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 16px; text-align: center; text-decoration: none; background: #f0f1f3; color: #505c6d; transition: background 140ms ease, color 140ms ease; }
.bingo-title { font-size: clamp(16px, 2vw, 21px); line-height: 1.5; font-weight: 800; word-break: keep-all; overflow-wrap: anywhere; }
.bingo-status { font-size: 12px; font-weight: 600; }
.bingo-tile.is-complete { background: #dfedff; color: #185aba; }
.bingo-tile:focus-visible { outline: 3px solid var(--ink); outline-offset: -5px; border-radius: 8px; }
@media (hover: hover) { .bingo-tile:hover { background: #e4e7ec; } .bingo-tile.is-complete:hover { background: #cde1ff; } }
.bingo-note { margin: 18px 0 0; font-size: 13px; color: var(--muted); }
.bingo-dialog { width: min(560px, calc(100% - 32px)); text-align: center; }
.bingo-dialog-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.bingo-dialog-heading .eyebrow { margin: 0; }
.bingo-dialog-heading button { min-height: 44px; min-width: 44px; }
.bingo-dialog h2 { margin: 20px 0 12px; font-size: clamp(22px, 5vw, 30px); line-height: 1.5; word-break: keep-all; }
.bingo-result-score { color: var(--blue-strong, #185aba); }
.bingo-dialog .score-distribution { margin: 20px 0; }
.bingo-retry { width: 100%; }
.bingo-concept { display: inline-block; padding: 16px 8px 0; }
.result-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 24px; margin-top: 20px; }
.result-toolbar { display: flex; justify-content: flex-end; margin-bottom: 20px; }
.result-toolbar .button { width: auto; min-height: 44px; padding: 10px 14px; font-size: 14px; }
.result-links a { padding: 8px 0; }
@media (max-width: 600px) {
  .bingo-board { grid-template-columns: repeat(3, minmax(0, 1fr)); border-radius: 16px; }
  .bingo-tile { min-height: 120px; padding: 16px 8px; gap: 12px; }
  .bingo-title { font-size: clamp(14px, 3.8vw, 18px); }
  .bingo-status { font-size: 11px; }
}