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.classroom-btn.secondary{background:hsla(0,0%,100%,.08);color:var(--starlight-white);border:1px solid var(--soft-glow)}.student-lesson-actions .classroom-btn.tertiary{background:transparent;color:var(--nebula-blue);border:1px solid var(--nebula-blue)}.student-lesson-embed-sim{margin:24px 0;border-radius:12px;overflow:hidden;border:1px solid var(--soft-glow)}.student-lesson-embed-sim-header{padding:12px 16px;background:hsla(0,0%,100%,.05);font-size:14px;font-weight:600;color:var(--starlight-white)}.student-lesson-embed-sim-body{min-height:360px;background:#0a0a18}.student-tagline{font-size:.95rem;color:var(--galaxy-gray);margin:-8px 0 20px;letter-spacing:.02em}.student-journey-pipeline{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:4px 2px;padding:14px 20px;margin-bottom:28px;background:rgba(0,0,0,.2);border:1px solid 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var(--soft-glow);opacity:.7}.student-apply-section,.student-assess-section,.student-concepts-section{margin-bottom:32px}.student-section-title{font-size:1.2rem;margin-bottom:6px;color:var(--starlight-white)}.student-section-desc{font-size:14px;color:var(--galaxy-gray);margin-bottom:16px}.student-concept-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));grid-gap:20px;gap:20px}.student-concept-card{padding:20px;border-radius:12px}.student-concept-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--soft-glow)}.student-concept-name{font-size:1.15rem;margin:0;color:var(--starlight-white)}.student-concept-progress{font-size:13px;font-weight:600;color:var(--nebula-blue);background:rgba(46,107,255,.15);padding:4px 10px;border-radius:20px}.student-concept-pillars{display:flex;flex-direction:column;gap:8px}.student-pillar{display:flex;align-items:center;gap:10px;padding:10px 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solid}.student-planet-node-label{font-size:13px;font-weight:600;text-align:center;line-height:1.2}.student-planet-node-progress{font-size:11px;color:var(--galaxy-gray)}.student-journey-legend{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:14px;font-size:12px;color:var(--galaxy-gray)}.student-legend-item{display:inline-flex;align-items:center;gap:6px}.student-legend-icon{width:14px;height:14px;border-radius:50%;border:2px solid}.student-legend-locked{background:hsla(0,0%,39%,.3);border-color:var(--galaxy-gray)}.student-legend-available{background:rgba(34,211,238,.25);border-color:var(--glow-cyan,#22d3ee)}.student-legend-progress{background:rgba(251,146,60,.25);border-color:var(--planet-orange,#fb923c)}.student-legend-done{background:rgba(52,211,153,.25);border-color:var(--aurora-green)}.student-concept-hub-page{max-width:1000px;margin:0 auto}.student-concept-hub-breadcrumb{margin-bottom:20px}.student-concept-hub-breadcrumb 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8px;color:var(--starlight-white)}.student-concept-hub-meta{font-size:14px;color:var(--galaxy-gray);margin-bottom:24px}.student-concept-hub-buttons{display:flex;flex-direction:column;gap:12px}.student-hub-btn{display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:10px;font-size:15px;font-weight:500;text-decoration:none;color:var(--starlight-white);background:rgba(30,58,138,.4);border:1px solid rgba(34,211,238,.35);transition:background .15s,border-color .15s,box-shadow .15s}.student-hub-btn:hover{background:rgba(30,58,138,.6);border-color:var(--glow-cyan,var(--nebula-blue));box-shadow:0 0 16px rgba(34,211,238,.2)}.student-hub-btn-icon{font-size:18px}.student-hub-done{margin-left:auto;color:var(--aurora-green);font-weight:600}.student-hub-btn-disabled{opacity:.6;cursor:default;pointer-events:none;color:var(--galaxy-gray)}.sim-cockpit{margin-bottom:24px;border-radius:16px;overflow:hidden;border:1px solid var(--soft-glow);background:rgba(0,0,0,.4)}.sim-cockpit-canvas-wrap{position:relative;width:100%;min-height:520px}.sim-cockpit-object-info{position:absolute;top:12px;left:12px;z-index:2;padding:10px 14px;background:rgba(11,18,37,.9);border:1px solid rgba(34,211,238,.3);border-radius:8px;color:var(--starlight-white);font-size:13px}.sim-cockpit-object-info strong{display:block;margin-bottom:4px}.sim-cockpit-meta{margin:0;font-size:11px;color:var(--galaxy-gray)}.sim-cockpit-controls{position:absolute;top:12px;right:12px;z-index:2;display:flex;flex-direction:column;gap:6px;padding:10px;background:rgba(11,18,37,.9);border:1px solid rgba(34,211,238,.3);border-radius:8px}.sim-cockpit-controls-label{font-size:11px;text-transform:uppercase;color:var(--galaxy-gray);margin-bottom:4px}.sim-cockpit-btn{padding:6px 10px;font-size:12px;background:rgba(30,58,138,.5);border:1px solid rgba(34,211,238,.35);border-radius:6px;color:var(--starlight-white);cursor:pointer;transition:background .15s}.sim-cockpit-btn:hover:not(:disabled){background:rgba(30,58,138,.8)}.sim-cockpit-btn:disabled{opacity:.6;cursor:default}.sim-cockpit-viewport{position:absolute;inset:0;min-height:500px}.sim-cockpit-viewport>*{width:100%;height:100%;min-height:500px}.sim-cockpit-actions{position:absolute;bottom:12px;left:12px;right:12px;z-index:2;display:flex;justify-content:flex-start}.mission-layout{display:grid;grid-template-columns:1fr 260px;grid-gap:24px;gap:24px;align-items:start}@media (max-width:900px){.mission-layout{grid-template-columns:1fr}}.mission-goal{margin-bottom:20px}.mission-steps{padding:16px;background:hsla(0,0%,100%,.04);border-radius:12px}.mission-steps h4{margin:0 0 12px;font-size:14px;color:var(--galaxy-gray)}.mission-steps ol{margin:0;padding-left:20px}.mission-steps li{margin-bottom:8px;font-size:14px;color:var(--starlight-white)}.investigation-layout .inv-question{font-size:1.1rem;margin-bottom:16px}.investigation-layout .inv-conclusion,.investigation-layout .inv-hypothesis,.investigation-layout .inv-observation{padding:12px 16px;margin-bottom:16px;background:hsla(0,0%,100%,.04);border:1px solid var(--soft-glow);border-radius:10px;min-height:60px}.investigation-layout label{display:block;font-size:12px;color:var(--galaxy-gray);margin-bottom:6px}.investigation-layout textarea{width:100%;min-height:80px;padding:10px;border-radius:8px;background:rgba(0,0,0,.2);border:1px solid var(--soft-glow);color:var(--starlight-white);font-size:14px}.student-mastery-panel{padding:20px;margin-bottom:28px}.student-mastery-list{display:flex;flex-wrap:wrap;gap:12px 24px;margin-bottom:20px}.student-mastery-row{display:flex;align-items:center;gap:10px;padding:8px 14px;background:hsla(0,0%,100%,.04);border-radius:8px;border:1px solid var(--soft-glow)}.student-mastery-name{font-size:14px;color:var(--starlight-white)}.student-mastery-badge{font-size:12px;color:var(--galaxy-gray)}.student-mastery-row[data-state=done] .student-mastery-badge{color:var(--aurora-green)}.student-mastery-row[data-state=progress] .student-mastery-badge{color:var(--planet-orange,#fb923c)}.student-journey-progress-bar{display:flex;align-items:center;gap:12px}.student-journey-progress-label{font-size:13px;color:var(--galaxy-gray);min-width:60px}.student-journey-progress-track{flex:1 1;height:10px;background:hsla(0,0%,100%,.08);border-radius:5px;overflow:hidden}.student-journey-progress-fill{height:100%;background:linear-gradient(90deg,var(--nebula-blue),var(--glow-cyan,#22d3ee));border-radius:5px;transition:width .3s ease}.student-journey-progress-pct{font-size:14px;font-weight:600;color:var(--starlight-white);min-width:40px}.teacher-class-switcher label{margin-right:8px;color:var(--galaxy-gray);font-size:14px}.teacher-journey-bars{display:flex;flex-direction:column;gap:14px}.teacher-journey-bar-row{display:flex;align-items:center;gap:12px}.teacher-journey-bar-label{min-width:140px;font-size:14px;color:var(--starlight-white)}.teacher-journey-bar-track{flex:1 1;height:10px;background:hsla(0,0%,100%,.08);border-radius:5px;overflow:hidden}.teacher-journey-bar-fill{height:100%;background:linear-gradient(90deg,var(--nebula-blue),var(--glow-cyan,#22d3ee));border-radius:5px;transition:width .3s}.teacher-journey-bar-pct{min-width:40px;font-size:13px;font-weight:600;color:var(--starlight-white)}.teacher-heatmap-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));grid-gap:12px;gap:12px}.teacher-heatmap-cell{padding:14px;background:hsla(0,0%,100%,.04);border-radius:10px;border:1px solid var(--soft-glow);display:flex;flex-direction:column;gap:4px}.teacher-heatmap-name{font-size:13px;color:var(--starlight-white)}.teacher-heatmap-value{font-size:1.1rem;font-weight:700;color:var(--glow-cyan,var(--nebula-blue))}.student-profile-page{max-width:560px;margin:0 auto}.student-profile-stats{padding:24px;margin-bottom:28px}.student-profile-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--soft-glow)}.student-profile-row:last-child{border-bottom:none}.student-profile-label{font-size:14px;color:var(--galaxy-gray)}.student-profile-value{font-size:16px;font-weight:600;color:var(--starlight-white)}.student-profile-rank{color:var(--glow-cyan,var(--nebula-blue))}.student-profile-badges{margin-bottom:28px}.student-badge-list{display:flex;flex-wrap:wrap;gap:10px}.student-badge{padding:8px 14px;background:rgba(34,211,238,.15);border:1px solid rgba(34,211,238,.4);border-radius:20px;font-size:13px;color:var(--starlight-white)}