/* Year 9 Science — Static Curriculum Architecture v2 */
:root{--s9-blue:#2457d6;--s9-ink:#18324f;--s9-muted:#5f728a;--s9-line:#dce5f1;--s9-soft:#f5f8ff;--s9-green:#0b7a53;--s9-amber:#8a5a00}
body.curriculum-shell{background:#f6f8fc;color:var(--s9-ink)}
.curriculum-page{max-width:1120px;margin:0 auto;padding:18px 22px 54px}.main-nav{display:flex;gap:14px;flex-wrap:wrap;padding:10px 0}.main-nav a,.breadcrumb a{color:var(--s9-blue);font-weight:750;text-decoration:none}.breadcrumb ol{display:flex;gap:7px;flex-wrap:wrap;list-style:none;padding:0;margin:8px 0 16px;color:var(--s9-muted);font-size:.92rem}.breadcrumb li+li:before{content:'›';margin-right:7px}.curriculum-hero{background:#fff;border:1px solid var(--s9-line);border-radius:22px;padding:28px;box-shadow:0 12px 30px rgba(26,55,99,.06);margin-bottom:18px}.curriculum-eyebrow{margin:0 0 8px;color:var(--s9-blue);font-size:.8rem;font-weight:900;letter-spacing:.07em;text-transform:uppercase}.curriculum-hero h1{font-size:clamp(2rem,5vw,3.15rem);line-height:1.06;margin:.2rem 0 .7rem}.curriculum-hero__lead{max-width:900px;font-size:1.08rem;color:#304963}.topic-action-row,.curriculum-link-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.topic-action-row a,.curriculum-button,.report-issue-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cbd8ea;border-radius:999px;background:#fff;color:var(--s9-blue);font:inherit;font-weight:850;text-decoration:none;padding:9px 14px}.topic-action-row a.primary,.curriculum-button.primary{background:var(--s9-blue);border-color:var(--s9-blue);color:#fff}.report-issue-button{margin-top:12px;cursor:pointer}.curriculum-layout{max-width:980px;margin:0 auto}.curriculum-topic-section,.curriculum-supplement{background:#fff;border:1px solid var(--s9-line);border-radius:18px;margin:14px 0;overflow:hidden}.curriculum-topic-section>summary,.curriculum-supplement>summary{cursor:pointer;padding:18px 22px;font-size:1.22rem}.curriculum-detail-body{padding:0 22px 22px}.curriculum-detail-body h3{margin-top:1.15rem}.curriculum-detail-body li{margin:.52rem 0}.science-v2-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.science-v2-card,.worked-example,.practice-card,.science-v2-note{border:1px solid var(--s9-line);border-radius:14px;padding:15px;background:#fff}.worked-example{border-left:5px solid var(--s9-green);margin:12px 0}.science-v2-note{background:var(--s9-soft)}.misconception{border-left:5px solid var(--s9-amber);padding:10px 14px;margin:10px 0;background:#fffaf0}.question-level{font-size:.78rem;font-weight:900;color:var(--s9-blue);text-transform:uppercase;letter-spacing:.04em}.review-hint{background:#f4f8ff;border-left:4px solid var(--s9-blue);padding:10px 14px;margin:10px 0}.curriculum-table-wrap{overflow-x:auto}.science-map-table{border-collapse:collapse;width:100%;min-width:700px}.science-map-table th,.science-map-table td{border:1px solid var(--s9-line);padding:10px;text-align:left;vertical-align:top}.science-map-table th{background:#eef4ff}.science-concept-diagram{margin:16px 0;padding:14px;border:1px solid var(--s9-line);border-radius:16px;background:#fbfdff}.science-concept-diagram svg{display:block;width:100%;height:auto;max-height:330px}.science-concept-diagram figcaption{margin-top:8px;color:var(--s9-muted);font-size:.92rem}.science-flow{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;padding:18px;border:1px solid var(--s9-line);border-radius:14px;background:#fbfdff}.science-flow span:not(.science-flow-arrow){padding:9px 12px;border-radius:12px;background:#eef4ff;font-weight:750}.science-flow-arrow{font-size:1.3rem;color:var(--s9-blue)}.mastery-list li{margin:.55rem 0}.curriculum-source-list a{overflow-wrap:anywhere}.relationship{display:inline-block;padding:2px 7px;border-radius:999px;background:#eef4ff;color:#173968;font-size:.78rem;font-weight:850}.footer-note{text-align:center;color:var(--s9-muted);font-size:.88rem;margin:28px 0}@media(max-width:760px){.curriculum-page{padding:12px 14px 40px}.curriculum-hero{padding:21px}.science-v2-grid{grid-template-columns:1fr}.curriculum-topic-section>summary{padding:16px 17px}.curriculum-detail-body{padding:0 17px 18px}}@media print{.main-nav,.topic-action-row,.report-issue-button{display:none!important}.curriculum-page{max-width:none;padding:0}.curriculum-hero,.curriculum-topic-section{box-shadow:none;break-inside:avoid}.curriculum-topic-section{overflow:visible}.curriculum-topic-section>.curriculum-detail-body{display:block!important}}
/* Compact hero actions: override the shared full-width topic CTA contract. */
.curriculum-hero .topic-action-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;max-width:none;margin-top:14px}
.curriculum-hero .topic-action-row a{width:auto;min-height:34px;flex:0 0 auto;padding:6px 12px;font-size:.9rem;line-height:1.15}
.curriculum-hero .report-issue-button{min-height:32px;padding:5px 11px;font-size:.84rem;margin-top:10px}
@media(max-width:600px){.curriculum-hero .topic-action-row{gap:6px}.curriculum-hero .topic-action-row a{min-height:32px;padding:5px 10px;font-size:.84rem}.curriculum-hero .report-issue-button{min-height:30px;padding:4px 9px;font-size:.8rem}}