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/* ===== Myers Science Hub unified course shell ===== */
.msh-coursebar{background:#0a2b49;color:#d8ebfa;border-bottom:1px solid rgba(255,255,255,.08)}
.msh-coursebar .inner{max-width:1180px;margin:auto;padding:8px 22px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.78rem;font-weight:800}
.msh-coursebar a{color:#d8ebfa;text-decoration:none}.msh-coursebar a:hover{color:#fff;text-decoration:underline}.crumb-sep{opacity:.48}
.lesson-hero{border-bottom:1px solid rgba(255,255,255,.1)}
.lesson-hero .inner{max-width:1180px}
.lesson-hero .lesson-label{font-size:.76rem;text-transform:uppercase;letter-spacing:.09em;font-weight:900;color:#9edcff;margin-bottom:8px}
.lesson-hero .lesson-meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.lesson-hero .meta-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);font-size:.78rem;font-weight:800;color:#e8f6ff}
.lesson-layout{max-width:1180px;padding-top:24px}
.lesson-dashboard{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin:0 0 20px}
.lesson-stat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:14px 16px;box-shadow:0 7px 22px rgba(15,35,55,.05)}
.lesson-stat small{display:block;color:#6b8296;text-transform:uppercase;letter-spacing:.07em;font-size:.68rem;font-weight:900;margin-bottom:2px}.lesson-stat b{font-size:.96rem;color:#183249}
.lesson-navcard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 14px;margin-bottom:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 7px 22px rgba(15,35,55,.05)}
.lesson-navcard .left{display:flex;align-items:center;gap:10px;min-width:0}.lesson-navcard .course-icon{width:38px;height:38px;border-radius:11px;background:var(--subject-accent,#0b4f7d);color:#fff;display:grid;place-items:center;font-weight:950;font-size:.75rem;flex:0 0 auto}.lesson-navcard strong{display:block;font-size:.9rem}.lesson-navcard span{display:block;font-size:.76rem;color:#6b8296}.lesson-navcard .quicklinks{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.lesson-navcard .quicklinks a{padding:7px 9px;border-radius:9px;background:#f4f9fc;border:1px solid #dceaf3;color:#0b4f7d;text-decoration:none;font-weight:850;font-size:.76rem}
body.course-bio{--subject-accent:#15803d;--subject-soft:#effaf2}body.course-chem{--subject-accent:#6d28d9;--subject-soft:#f6f1ff}body.course-phys{--subject-accent:#c2410c;--subject-soft:#fff5ef}
body.course-bio .lesson-hero,body.course-chem .lesson-hero,body.course-phys .lesson-hero{background:radial-gradient(circle at 88% 0%,rgba(56,189,248,.16),transparent 27%),linear-gradient(135deg,#071a2f 0%,#0a3457 63%,color-mix(in srgb,var(--subject-accent) 63%,#0a3457) 100%)}
.panel{position:relative;overflow:hidden}.panel:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--subject-accent,#0b4f7d);opacity:.82}.panel h2{display:flex;align-items:center;gap:9px;color:#15324a}.panel h2:after{content:"";height:1px;background:#e5edf4;flex:1;margin-left:6px}
.toc{position:sticky;top:69px;z-index:14;background:rgba(244,248,252,.95);backdrop-filter:blur(8px);padding:9px 0;border-bottom:1px solid #e2ebf2;margin-bottom:20px}.toc a{transition:.15s}.toc a:hover{border-color:#a9cfdf;color:#075985;transform:translateY(-1px)}
.question{border-left:4px solid #cad9e5}.question:hover{border-left-color:var(--subject-accent,#0b4f7d)}
.question .qhead b{font-weight:800}.marks{background:var(--subject-soft,#eef2ff);color:var(--subject-accent,#3730a3);border:1px solid color-mix(in srgb,var(--subject-accent,#3730a3) 20%,transparent)}
.section-band{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:9px}.section-band .tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:var(--subject-accent,#0b4f7d)}
.msh-footer-actions{max-width:1180px;margin:0 auto;padding:0 22px 28px;display:flex;gap:10px;flex-wrap:wrap}.msh-footer-actions a{flex:0 0 auto}
.footer .inner{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.footer .footer-links{display:flex;gap:9px;flex-wrap:wrap}.footer .footer-links a{text-decoration:none;font-weight:800}
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/* ===== CSEC Science Centre rich landing page ===== */
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solid rgba(255,255,255,.16);border-radius:24px;padding:22px;backdrop-filter:blur(9px);box-shadow:0 24px 60px rgba(0,0,0,.18)}.command-head{display:flex;justify-content:space-between;gap:16px;align-items:start}.command-kicker{display:block;text-transform:uppercase;letter-spacing:.1em;color:#8fdaff;font-size:.7rem;font-weight:900}.command-head strong{font-size:1.26rem}.live-dot{font-size:.62rem;font-weight:950;letter-spacing:.08em;padding:5px 8px;border-radius:999px;background:rgba(34,197,94,.15);color:#a7f3d0;border:1px solid rgba(34,197,94,.3)}.overall-progress,.subject-progress{height:8px;border-radius:999px;overflow:hidden;background:rgba(255,255,255,.12);margin:18px 0 7px}.overall-progress 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span{display:block;color:#71869a;font-size:.82rem;margin-top:1px}.centre-ribbon a{white-space:nowrap;text-decoration:none;color:#0b6d9f;font-weight:900}.title-row{display:flex;align-items:end;justify-content:space-between;gap:20px}.centre-badge,.lesson-count{border:1px solid #cfe1ee;background:#eef7fc;color:#0a5a85;font-size:.72rem;font-weight:950;letter-spacing:.08em;border-radius:999px;padding:7px 11px;white-space:nowrap}.subject-dashboard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}.subject-dashboard{background:#fff;border:1px solid var(--line);border-radius:22px;padding:21px;box-shadow:var(--shadow);position:relative;overflow:hidden}.subject-dashboard:before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--dash,#0b4f7d)}.subject-dashboard-top{display:grid;grid-template-columns:48px 1fr 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0;width:100%;font:inherit;color:#334155}.lesson-library{display:grid;gap:10px}.lesson-tile{display:flex;align-items:center;gap:15px;padding:15px 17px;background:#fff;border:1px solid #dbe6ee;border-radius:16px;text-decoration:none;color:inherit;box-shadow:0 6px 16px rgba(15,35,55,.035);transition:.18s}.lesson-tile:hover{transform:translateX(4px);box-shadow:0 10px 23px rgba(15,35,55,.08);border-color:#bcd4e2}.tile-index{width:46px;height:46px;border-radius:13px;color:#fff;display:grid;place-items:center;font-weight:950;flex:0 0 auto}.tile-index.chem{background:#6d28d9}.tile-index.bio{background:#15803d}.tile-index.phys{background:#c2410c}.tile-main{flex:1}.tile-subject{display:block;color:#73879a;font-size:.64rem;font-weight:950;letter-spacing:.09em}.tile-main h3{margin:1px 0 3px;font-size:1.05rem}.tile-main p{margin:0;color:#64788a;font-size:.83rem}.tile-tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:8px}.tile-tags span{font-size:.62rem;font-weight:900;padding:3px 6px;border-radius:6px;background:#f1f5f9;color:#586d80}.tile-arrow{font-size:1.3rem;color:#8ba2b5}.empty-state{text-align:center;padding:30px;color:#6b8296;background:#fff;border:1px dashed #cddbe5;border-radius:16px}.exam-studio{margin-top:42px;margin-bottom:42px;background:linear-gradient(135deg,#071a2f,#0b456d);color:#fff;border-radius:26px;padding:34px}.exam-studio-head{display:flex;justify-content:space-between;align-items:center;gap:25px}.light-kicker{color:#7dd3fc}.exam-studio h2{font-size:2rem;margin:3px 0 7px}.exam-studio-head p{color:#c7deed;max-width:760px}.exam-ring{width:108px;height:108px;border-radius:50%;border:8px solid rgba(125,211,252,.24);display:flex;align-items:center;justify-content:center;gap:4px;flex:0 0 auto}.exam-ring strong,.exam-ring span,.exam-ring b{font-size:.7rem}.exam-path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:22px}.exam-path{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.11);border-radius:17px;padding:18px}.exam-path>span{display:inline-grid;place-items:center;width:31px;height:31px;border-radius:9px;background:rgba(125,211,252,.13);color:#7dd3fc;font-size:.69rem;font-weight:950}.exam-path h3{margin:11px 0 4px}.exam-path p{color:#c5dbea;font-size:.83rem;min-height:66px}.exam-path a{color:#7dd3fc;text-decoration:none;font-weight:900;font-size:.8rem}.syllabus-centre{padding-top:22px}.strong-link{font-size:.9rem}.syllabus-grid{display:grid;gap:11px;margin-top:20px}.syllabus-card{display:grid;grid-template-columns:50px 1fr auto;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:17px;padding:15px 17px}.syllabus-icon{width:50px;height:50px;border-radius:14px;color:#fff;display:grid;place-items:center;font-weight:950;font-size:1.2rem}.chem-bg{background:#6d28d9}.bio-bg{background:#15803d}.phys-bg{background:#c2410c}.syllabus-card span{font-size:.65rem;letter-spacing:.09em;font-weight:950;color:#71869a}.syllabus-card h3{margin:0;font-size:1rem}.syllabus-card p{margin:2px 0 0;color:#667d90;font-size:.82rem}.syllabus-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.syllabus-actions a{padding:7px 9px;border-radius:9px;background:#f4f9fc;border:1px solid #d9e7f0;color:#0b5c88;text-decoration:none;font-weight:850;font-size:.72rem}.next-stage{padding-top:15px}.next-stage-card{display:flex;align-items:center;justify-content:space-between;gap:28px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:25px;box-shadow:var(--shadow)}.next-stage-card h2{margin:2px 0 5px}.next-stage-card p{margin:0;color:#657b8f;max-width:780px}
@media(max-width:900px){.csec-hero-grid,.subject-dashboard-grid,.exam-path-grid{grid-template-columns:1fr}.csec-hero{padding-top:52px}.command-card{max-width:620px}.curriculum-toolbar,.title-row,.exam-studio-head,.next-stage-card{align-items:flex-start;flex-direction:column}.search-box{width:100%;min-width:0}.syllabus-card{grid-template-columns:46px 1fr}.syllabus-actions{grid-column:1/-1;justify-content:flex-start}.exam-ring{display:none}}
@media(max-width:620px){.csec-hero h1{font-size:2.65rem}.centre-ribbon-inner{align-items:flex-start;flex-direction:column}.command-progress-row{display:block}.command-progress-row span{display:block;margin-top:3px}.subject-dashboard-top{grid-template-columns:44px 1fr}.subject-num{display:none}.dashboard-actions{align-items:flex-start;flex-direction:column}.lesson-tile{align-items:flex-start}.tile-arrow{display:none}.exam-studio{border-radius:0;margin-left:-22px;margin-right:-22px}.filter-tabs{overflow-x:auto;flex-wrap:nowrap;width:100%;padding-bottom:3px}.filter-btn{white-space:nowrap}}