:root {
  --y4-ink: #172033;
  --y4-muted: #526176;
  --y4-line: #cbd5e1;
  --y4-blue: #1d5bbf;
  --y4-blue-soft: #eaf2ff;
  --y4-gold: #f5b82e;
  --y4-gold-soft: #fff8df;
  --y4-green: #157347;
  --y4-green-soft: #e8f7ef;
  --y4-red: #a52a2a;
  --y4-red-soft: #fff1f1;
  --y4-radius: 18px;
}

.curriculum-hero { color: var(--y4-ink); }
.curriculum-hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, .75fr); gap: 2rem; align-items: end; }
.curriculum-hero h1 { max-width: 900px; }
.curriculum-disclaimer { max-width: 920px; padding: .75rem 1rem; border-left: 4px solid var(--y4-gold); background: rgba(255, 255, 255, .8); color: #38475c; font-size: .9rem; line-height: 1.55; }
.curriculum-counts, .note-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem; margin: 0; }
.curriculum-counts div, .note-meta div { border: 1px solid rgba(29, 91, 191, .2); border-radius: 12px; background: rgba(255, 255, 255, .88); padding: .75rem; }
.curriculum-counts dt, .note-meta dt { color: var(--y4-muted); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.curriculum-counts dd, .note-meta dd { margin: .15rem 0 0; color: var(--y4-ink); font-weight: 800; }

.curriculum-section { background: #f7f9fc; }
.curriculum-filter-card, .curriculum-panel, .question-card, .result-panel { border: 1px solid var(--y4-line); border-radius: var(--y4-radius); background: #fff; box-shadow: 0 10px 30px rgba(23, 32, 51, .06); }
.curriculum-filter-card { padding: 1.2rem; margin-bottom: 2rem; }
.curriculum-filter-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .9rem; }
.curriculum-filter-card label, .practice-card label, .curriculum-answer-form label { display: grid; gap: .35rem; font-weight: 700; color: var(--y4-ink); }
.curriculum-filter-card input, .curriculum-filter-card select, .practice-card select, .curriculum-answer-form input, .curriculum-answer-form select, .curriculum-answer-form textarea { width: 100%; min-height: 46px; border: 1px solid #94a3b8; border-radius: 10px; background: #fff; padding: .65rem .75rem; color: var(--y4-ink); font: inherit; }
.curriculum-filter-card input:focus, .curriculum-filter-card select:focus, .practice-card select:focus, .curriculum-answer-form input:focus, .curriculum-answer-form select:focus, .curriculum-answer-form textarea:focus, .anchor-list a:focus, .print-option-list summary:focus { outline: 3px solid #f8c94c; outline-offset: 2px; border-color: var(--y4-blue); }
.curriculum-filter-actions, .curriculum-card-actions, .result-actions, .difficulty-links, .attempt-actions, .admin-export-actions { display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; margin-top: 1rem; }
.curriculum-results-heading, .panel-heading-row, .coverage-table-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: end; margin: 1.5rem 0 1rem; }
.curriculum-results-heading h2, .coverage-table-heading h2 { margin: 0; }

.curriculum-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.15rem; }
.curriculum-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--y4-line); border-top: 5px solid var(--y4-blue); border-radius: var(--y4-radius); background: #fff; padding: 1.2rem; box-shadow: 0 8px 24px rgba(23, 32, 51, .06); }
.curriculum-card h3 { margin: .8rem 0 .55rem; font-size: 1.18rem; line-height: 1.35; }
.curriculum-card h3 a { color: var(--y4-ink); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.curriculum-card > p { color: var(--y4-muted); }
.curriculum-card-actions { margin-top: auto; padding-top: 1rem; }
.curriculum-card-topline { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: space-between; align-items: center; }
.curriculum-code { display: inline-flex; min-height: 34px; align-items: center; border-radius: 999px; background: var(--y4-ink); color: #fff; padding: .35rem .7rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 800; letter-spacing: .02em; }
.strand-pill { display: inline-flex; align-items: center; min-height: 34px; border-radius: 999px; border: 1px solid #8bb3ee; background: var(--y4-blue-soft); color: #123f83; padding: .35rem .7rem; font-size: .84rem; font-weight: 800; }
.strand-measurement, .strand-space { border-color: #cf9b20; background: var(--y4-gold-soft); color: #624400; }
.strand-statistics, .strand-probability { border-color: #6eb491; background: var(--y4-green-soft); color: #0d5a38; }
.difficulty-counts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .4rem; margin: 1rem 0 0; }
.difficulty-counts div { border-radius: 9px; background: #f1f5f9; padding: .55rem .35rem; text-align: center; }
.difficulty-counts dt { color: var(--y4-muted); font-size: .72rem; font-weight: 700; }
.difficulty-counts dd { margin: .15rem 0 0; color: var(--y4-ink); font-size: 1.12rem; font-weight: 800; }
.difficulty-counts-large { margin-bottom: 1.2rem; }
.progress-status { width: fit-content; border-radius: 999px; padding: .35rem .7rem; font-weight: 800; font-size: .82rem; }
.progress-status.completed { background: var(--y4-green-soft); color: var(--y4-green); }
.progress-status.needs-review { background: var(--y4-gold-soft); color: #704e00; }
.progress-status.not-started { background: #eef2f7; color: #475569; }
.curriculum-empty { border: 1px dashed #94a3b8; border-radius: var(--y4-radius); background: #fff; padding: 2rem; text-align: center; }

.curriculum-detail-layout { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(300px, .75fr); gap: 1.3rem; align-items: start; }
.curriculum-detail-main, .curriculum-detail-side { display: grid; gap: 1.2rem; }
.curriculum-detail-side { position: sticky; top: 1rem; }
.curriculum-panel { padding: 1.3rem; }
.curriculum-panel h2 { margin-top: 0; color: var(--y4-ink); }
.clause-list, .skill-list { display: grid; gap: .65rem; padding: 0; list-style: none; }
.clause-list li, .skill-list li { display: flex; align-items: flex-start; gap: .75rem; border: 1px solid #dbe2ea; border-radius: 12px; padding: .8rem; }
.clause-list li > span, .skill-list li > span, .anchor-list a > span { flex: 0 0 auto; border-radius: 8px; background: var(--y4-blue-soft); color: #12458e; padding: .3rem .45rem; font: 700 .76rem ui-monospace, monospace; }
.skill-list small { display: block; margin-top: .25rem; color: var(--y4-muted); }
.anchor-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem; }
.anchor-list a { display: grid; grid-template-columns: auto 1fr; gap: .15rem .65rem; border: 1px solid #c6d5e7; border-radius: 12px; padding: .8rem; color: var(--y4-ink); text-decoration: none; }
.anchor-list a:hover { border-color: var(--y4-blue); background: var(--y4-blue-soft); }
.anchor-list a > span { grid-row: span 2; }
.anchor-list small { color: var(--y4-muted); }
.practice-card form { display: grid; gap: .85rem; }
.btn-block { width: 100%; justify-content: center; }
.topic-progress-summary { display: grid; gap: .65rem; margin-top: 1.1rem; border-top: 1px solid var(--y4-line); padding-top: 1rem; }
.topic-progress-summary h3 { margin: 0; font-size: 1rem; }
.topic-progress-summary article { border-left: 4px solid var(--y4-blue); border-radius: 0 9px 9px 0; background: var(--y4-blue-soft); padding: .65rem .75rem; }
.topic-progress-summary h4, .topic-progress-summary p { margin: 0 0 .35rem; }
.print-option-list { display: grid; gap: .55rem; }
.print-option-list details { border: 1px solid #d5dde7; border-radius: 10px; padding: .55rem .7rem; }
.print-option-list summary { cursor: pointer; font-weight: 800; }
.print-option-list details > div { display: grid; gap: .45rem; margin-top: .65rem; }

.note-toolbar { position: sticky; z-index: 5; top: 0; border-block: 1px solid var(--y4-line); background: rgba(255, 255, 255, .96); backdrop-filter: blur(12px); }
.note-toolbar .container { display: flex; flex-wrap: wrap; gap: .55rem; padding-block: .75rem; }
.note-layout { display: grid; grid-template-columns: minmax(210px, .42fr) minmax(0, 1.58fr); gap: 1.5rem; padding-block: 2rem 4rem; align-items: start; }
.note-contents { position: sticky; top: 6.5rem; max-height: calc(100vh - 8rem); overflow: auto; border: 1px solid var(--y4-line); border-radius: 14px; background: #fff; padding: 1rem; }
.note-contents h2 { margin: 0 0 .7rem; font-size: 1rem; }
.note-contents nav { display: grid; gap: .25rem; }
.note-contents a { border-radius: 8px; padding: .45rem .55rem; color: #24486f; font-size: .88rem; text-decoration: none; }
.note-contents a:hover, .note-contents a:focus { background: var(--y4-blue-soft); }
.note-content { display: grid; gap: 1.15rem; min-width: 0; }
.note-section { scroll-margin-top: 7rem; border: 1px solid var(--y4-line); border-radius: var(--y4-radius); background: #fff; padding: clamp(1.1rem, 2.5vw, 2rem); box-shadow: 0 8px 28px rgba(23, 32, 51, .05); }
.note-section > h2 { margin-top: 0; color: var(--y4-ink); }
.section-anchor-label { margin-bottom: .55rem; color: var(--y4-muted); font: 700 .78rem ui-monospace, monospace; }
.vocabulary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.vocabulary-grid div { border-left: 4px solid var(--y4-blue); background: var(--y4-blue-soft); padding: .75rem; }
.vocabulary-grid dt { font-weight: 800; }
.vocabulary-grid dd { margin: .25rem 0 0; }
.check-list { list-style: none; padding: 0; }
.check-list li { position: relative; padding-left: 1.8rem; margin: .45rem 0; }
.check-list li::before { position: absolute; left: 0; content: "✓"; color: var(--y4-green); font-weight: 900; }
.why-card, .reasoning-card { border-left: 5px solid var(--y4-gold); border-radius: 0 12px 12px 0; background: var(--y4-gold-soft); padding: .9rem 1rem; }
.why-card h3, .reasoning-card h3 { margin-top: 0; }
.representation-grid, .worked-example-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.representation-grid > div { border: 1px solid #d7e0ea; border-radius: 12px; padding: .8rem; }
.representation-grid h3 { margin-top: 0; }
.method-list { counter-reset: note-step; list-style: none; padding: 0; }
.method-list li { position: relative; min-height: 2.4rem; padding: .55rem 0 .55rem 3rem; border-bottom: 1px solid #e2e8f0; }
.method-list li::before { position: absolute; left: 0; top: .35rem; display: grid; width: 2rem; height: 2rem; place-items: center; border-radius: 50%; background: var(--y4-blue); color: #fff; counter-increment: note-step; content: counter(note-step); font-weight: 800; }
.worked-example { border: 1px solid #d7e0ea; border-radius: 12px; padding: .7rem; }
.worked-example summary { cursor: pointer; font-weight: 800; }
.worked-answer { border-radius: 8px; background: var(--y4-green-soft); padding: .6rem; }
.difficulty-label { display: inline-flex; border-radius: 999px; padding: .22rem .55rem; font-size: .78rem; font-weight: 800; }
.difficulty-easy { background: #e7f8ec; color: #11643a; }
.difficulty-medium { background: #fff4cf; color: #6a4c00; }
.difficulty-hard { background: #f4eaff; color: #5b2690; }
.justify-prompt { border: 2px dashed #9bb8dc; border-radius: 12px; padding: .8rem; }
.misconception-list { display: grid; gap: .75rem; }
.misconception-list article { border: 1px solid #efc2c2; border-radius: 12px; background: var(--y4-red-soft); padding: .85rem; }
.misconception-list h4 { margin-top: 0; }
.quick-checks, .note-practice-list { display: grid; gap: 1rem; }
.quick-checks > li, .note-practice-list > li { border-bottom: 1px solid #dbe2ea; padding-bottom: 1rem; }
.quick-checks summary, .practice-answer summary { cursor: pointer; color: #174e98; font-weight: 800; }
.practice-working-space { min-height: 5rem; border-bottom: 1px dashed #94a3b8; background-image: repeating-linear-gradient(to bottom, transparent, transparent 31px, #e2e8f0 32px); }

.curriculum-attempt { display: grid; gap: 1rem; }
.attempt-header, .result-hero { display: flex; justify-content: space-between; align-items: center; gap: 1rem; border-radius: var(--y4-radius); background: linear-gradient(135deg, #eef5ff, #fff9e4); padding: 1.25rem; }
.attempt-header h1, .result-hero h1 { margin: .2rem 0; }
.attempt-progress-number { display: grid; flex: 0 0 auto; width: 86px; height: 86px; place-items: center; border: 5px solid #90b8ef; border-radius: 50%; background: #fff; font-weight: 900; }
.attempt-progress { height: 12px; overflow: hidden; border-radius: 999px; background: #dbe4ef; }
.attempt-progress span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--y4-blue), #45a5de); }
.question-card { padding: clamp(1.1rem, 3vw, 2rem); }
.question-card-meta { display: flex; gap: .5rem; margin-bottom: .75rem; }
.question-card-meta span { border-radius: 999px; background: #edf2f8; padding: .3rem .6rem; color: #3d4d61; font-size: .78rem; font-weight: 800; }
.question-card h2 { font-size: clamp(1.15rem, 2.2vw, 1.55rem); line-height: 1.5; }
.question-supporting { border-left: 4px solid #8bb3ee; background: var(--y4-blue-soft); padding: .75rem; }
.question-visual { max-width: 700px; margin: 1rem auto; }
.question-visual svg { display: block; width: 100%; height: auto; max-height: 420px; }
.question-visual figcaption { margin-top: .35rem; color: var(--y4-muted); font-size: .85rem; }
.question-visual figcaption summary { min-height: 44px; padding: .7rem .25rem; cursor: pointer; }
.curriculum-answer-form { display: grid; gap: 1rem; margin-top: 1.25rem; }
.curriculum-answer-form fieldset { min-width: 0; border: 0; padding: 0; }
.curriculum-answer-form legend { margin-bottom: .7rem; font-weight: 800; }
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.answer-choice { position: relative; cursor: pointer; }
.answer-choice > input { position: absolute; width: 1px; height: 1px; min-width: 1px; min-height: 1px; opacity: 0; pointer-events: none; }
.answer-choice > span { display: flex; min-height: 56px; align-items: center; gap: .65rem; border: 2px solid #b8c4d2; border-radius: 12px; padding: .75rem; font-weight: 600; }
.answer-choice > span strong { display: grid; flex: 0 0 30px; width: 30px; height: 30px; place-items: center; border-radius: 50%; background: #e7edf5; }
.answer-choice > input:focus + span { outline: 3px solid #f8c94c; outline-offset: 2px; }
.answer-choice > input:checked + span { border-color: var(--y4-blue); background: var(--y4-blue-soft); }
.answer-choice > input:checked + span strong { background: var(--y4-blue); color: #fff; }
.ordering-grid, .matching-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.written-answer textarea { resize: vertical; }
.curriculum-feedback { border: 2px solid #99aac0; border-radius: 14px; margin-top: 1.2rem; padding: 1rem; }
.curriculum-feedback.is-correct { border-color: #6eb491; background: var(--y4-green-soft); }
.curriculum-feedback.is-incorrect { border-color: #d0a43d; background: var(--y4-gold-soft); }
.curriculum-feedback h3 { margin-top: 0; }
.curriculum-feedback .feedback-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .8rem; }
.attempt-footer { display: flex; justify-content: space-between; align-items: center; gap: 1rem; border: 1px solid var(--y4-line); border-radius: 14px; background: #fff; padding: 1rem; }

.curriculum-result { display: grid; gap: 1rem; }
.result-score { display: grid; text-align: center; }
.result-score strong { color: #174e98; font-size: 2.2rem; }
.result-panel { padding: 1.2rem; }
.result-panel h2 { margin-top: 0; }
.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.table-scroll { max-width: 100%; overflow-x: auto; }
.result-panel table, .coverage-table, .matching-print-table { width: 100%; border-collapse: collapse; }
.result-panel th, .result-panel td, .coverage-table th, .coverage-table td, .matching-print-table th, .matching-print-table td { border: 1px solid #cbd5e1; padding: .55rem; text-align: left; vertical-align: top; }
.result-panel thead, .coverage-table thead, .matching-print-table thead { background: #edf3fa; }
.outcome-counts, .admin-curriculum-totals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .7rem; }
.outcome-counts div, .admin-curriculum-totals div { border-radius: 12px; background: #f1f5f9; padding: .8rem; text-align: center; }
.outcome-counts dt, .admin-curriculum-totals dt { color: var(--y4-muted); font-size: .8rem; font-weight: 700; }
.outcome-counts dd, .admin-curriculum-totals dd { margin: .2rem 0 0; font-size: 1.35rem; font-weight: 900; }
.review-note-links { display: grid; gap: .55rem; padding-left: 1.2rem; }

.release-banner { display: grid; grid-template-columns: 1fr 1fr 2fr; gap: .8rem; border: 1px solid #bfd0e4; border-radius: 14px; background: #edf5ff; padding: 1rem; }
.release-banner div { min-width: 0; }
.release-banner span { display: block; color: var(--y4-muted); font-size: .75rem; font-weight: 700; text-transform: uppercase; }
.release-banner code { display: block; overflow-wrap: anywhere; font-size: .75rem; }
.admin-curriculum-totals { grid-template-columns: repeat(5, minmax(0, 1fr)); margin: 1rem 0; }
.checkbox-filter { display: flex !important; align-items: center; align-self: end; min-height: 46px; gap: .55rem !important; border: 1px solid #cbd5e1; border-radius: 10px; padding: .6rem; }
.checkbox-filter input { width: 22px; min-height: 22px; }
.coverage-table-wrap { border: 1px solid var(--y4-line); border-radius: 12px; background: #fff; }
.coverage-table { min-width: 1240px; font-size: .82rem; }
.coverage-table th { position: sticky; top: 0; z-index: 1; }
.coverage-table td:nth-child(2), .coverage-table td:nth-child(3) { min-width: 230px; }
.coverage-table small { color: var(--y4-muted); }
.status-badge { display: inline-block; border-radius: 999px; background: #e8edf3; padding: .25rem .5rem; font-size: .75rem; font-weight: 800; text-transform: capitalize; }
.status-published, .status-ready-to-publish { background: var(--y4-green-soft); color: var(--y4-green); }
.status-draft { background: #edf0f4; color: #465467; }
.check-failed { color: var(--y4-red); }

.curriculum-print-toolbar { border-bottom: 1px solid var(--y4-line); background: #fff; }
.curriculum-print-toolbar .container { display: flex; justify-content: space-between; gap: .8rem; padding-block: .8rem; }
.printable-quiz { max-width: 900px; padding-block: 2rem 4rem; color: #111827; }
.print-document-header { border-bottom: 3px solid var(--y4-ink); padding-bottom: 1rem; }
.print-brand { color: #174e98; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.student-fields { display: flex; justify-content: space-between; gap: 1rem; margin-block: 1rem; }
.print-question-list { padding-left: 2rem; }
.print-question { break-inside: avoid; border-bottom: 1px solid #9ca3af; padding: 1rem 0; }
.print-question-heading { display: flex; justify-content: space-between; }
.print-stem { font-weight: 700; }
.print-options { display: grid; gap: .35rem; }
.print-working-space { min-height: 100px; background: repeating-linear-gradient(to bottom, transparent, transparent 31px, #d1d5db 32px); }
.print-answer-block { border-left: 4px solid #174e98; background: #eff6ff; padding: .8rem; }
.print-answer-block h2 { font-size: 1rem; }

@media (max-width: 1050px) {
  .curriculum-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .curriculum-filter-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .representation-grid, .worked-example-grid { grid-template-columns: 1fr; }
  .release-banner { grid-template-columns: 1fr 1fr; }
  .release-banner div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .curriculum-hero-grid, .curriculum-detail-layout, .note-layout, .result-grid { grid-template-columns: 1fr; }
  .curriculum-card-grid, .curriculum-filter-grid, .anchor-list, .choice-grid, .ordering-grid, .matching-grid { grid-template-columns: 1fr; }
  .curriculum-detail-side, .note-contents { position: static; max-height: none; }
  .note-contents nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vocabulary-grid { grid-template-columns: 1fr; }
  .attempt-header, .result-hero, .attempt-footer, .student-fields, .curriculum-results-heading, .panel-heading-row { align-items: flex-start; flex-direction: column; }
  .attempt-progress-number { width: auto; height: auto; border-width: 2px; border-radius: 999px; padding: .45rem .7rem; }
  .admin-curriculum-totals { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .release-banner { grid-template-columns: 1fr; }
  .release-banner div:last-child { grid-column: auto; }
  .note-toolbar { position: static; }
  .note-toolbar .btn { flex: 1 1 230px; }
}

@media (max-width: 440px) {
  .curriculum-counts, .note-meta, .difficulty-counts, .outcome-counts, .admin-curriculum-totals { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .note-contents nav { grid-template-columns: 1fr; }
}

@media print {
  @page { size: A4; margin: 14mm 13mm 16mm; }
  .site-header, .site-footer, .academy-final-cta, .chat-widget, .announcement-bar, .no-print, .dashboard-sidebar { display: none !important; }
  body, .academy-site, main, .section, .dashboard-wrap { background: #fff !important; color: #000 !important; }
  .container, .dashboard-layout, .dashboard-main, .printable-quiz { width: 100% !important; max-width: none !important; margin: 0 !important; padding: 0 !important; }
  .note-layout { display: block; padding: 0; }
  .note-content { display: block; }
  .note-section { break-inside: auto; border: 0; border-bottom: 1px solid #777; border-radius: 0; box-shadow: none; padding: 7mm 0; }
  .concept-section { break-before: page; }
  .note-section h2, .note-section h3, .worked-example summary { break-after: avoid; }
  .worked-example, .misconception-list article, .quick-checks > li, .note-practice-list > li, .print-question, .question-visual { break-inside: avoid; }
  .curriculum-hero { padding: 0 0 7mm !important; background: #fff !important; }
  .curriculum-disclaimer { border: 1px solid #777; background: #fff; }
  .curriculum-visual { max-height: 75mm; }
  .practice-answer { display: none; }
  body.print-practice-only .note-hero, body.print-practice-only .note-content > :not(#practice) { display: none !important; }
  body.print-practice-only #practice { display: block !important; border: 0; }
  a { color: #000; text-decoration: none; }
  .print-answer-block { background: #fff; border-color: #000; }
}

/* The notice remains visible in complete and practice-only print views. */
.curriculum-reference > summary { cursor: pointer; font-weight: 700; padding: .4rem 0; }
.curriculum-reference > summary:focus-visible { outline: 3px solid #2759b8; outline-offset: 4px; }
.year4-quiz-preview fieldset { border: 0; padding: 0; margin: 1.25rem 0; min-width: 0; }
.year4-quiz-preview .choice-grid { display: grid; gap: .65rem; }
.year4-quiz-preview .answer-choice { min-height: 48px; cursor: pointer; }
.year4-quiz-preview .answer-choice:has(input:checked) { border-color: #2759b8; background: #e8effb; }
.year4-quiz-preview .answer-choice:focus-within { outline: 3px solid #2759b8; outline-offset: 3px; }
.note-question-stem { font-size: 1.12rem; line-height: 1.65; font-weight: 600; }
.note-choice-list { display: grid; gap: .5rem; padding-left: 2rem; }
.note-choice-list li { padding: .65rem .8rem; border: 1px solid #a8b3c5; border-radius: .5rem; line-height: 1.6; overflow-wrap: anywhere; }
.question-visual svg { display: block; width: 100%; height: auto; }
.question-visual { min-width: 0; max-width: 100%; }
.preview-feedback { min-height: 1.5em; font-weight: 600; }
.year4-quiz-preview details { margin-top: 1rem; }
.diagram-dialog { max-width: min(94vw, 1000px); max-height: 90dvh; border: 2px solid #172b4d; border-radius: 1rem; padding: 1rem; color: #172b4d; background: #fff; }
.diagram-dialog::backdrop { background: rgb(23 43 77 / 65%); }
.diagram-pan { overflow: auto; max-width: 100%; max-height: 65dvh; border: 1px solid #a8b3c5; padding: .5rem; }
.diagram-pan svg { display: block; min-width: 640px; width: 100%; height: auto; }
.diagram-pan:focus-visible { outline: 3px solid #2759b8; }
@media (max-width: 600px) {
  .year4-quiz-preview .choice-grid { grid-template-columns: 1fr; }
}
.curriculum-early-access-notice { max-width: 920px; margin: 1rem 0; padding: .9rem 1rem; border: 2px solid #9a6700; border-radius: 10px; background: #fff8df; color: #493100; line-height: 1.55; break-inside: avoid; }
.curriculum-early-access-notice strong { display: block; font-size: 1rem; }
.curriculum-early-access-notice p { margin: .25rem 0 0; font-size: .95rem; }
@media print {
  .curriculum-early-access-notice { border: 2px solid #444; background: #fff; color: #111; border-radius: 0; }
}