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12px;border:1px solid var(--border);border-radius:var(--radius-sm)}.drilldown-history-attempt{font-size:14px;color:var(--text-primary)}.drilldown-history-score{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}.drilldown-history-date{font-size:12px;color:var(--text-muted)}.drilldown-ai{background:#f7f9ff;border:1px solid #e5ecfb;border-radius:var(--radius-md, 12px);padding:14px 16px}.drilldown-ai .drilldown-h3{color:#2563eb}.drilldown-ai-lines{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px}.drilldown-ai-lines li{font-size:14px;color:var(--text-primary);line-height:1.45}.admin-analytics-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 24px;text-align:center;gap:8px}.analytics-demo-toggle{align-self:center;padding:6px 12px;border-radius:8px;border:1px solid var(--border, #d0d5dd);background:#fff;font-size:13px;font-weight:600;color:#475467;cursor:pointer}.analytics-demo-toggle.active{border-color:#b54708;background:#fef6ee;color:#b54708}.analytics-demo-banner{margin:0 0 16px;padding:8px 14px;border-radius:8px;background:#fef6ee;border:1px solid #f9dbaf;color:#b54708;font-size:13px}.admin-analytics-empty-title{font-size:16px;font-weight:600;color:var(--text-primary, #111);margin:0}.admin-analytics-empty-sub{font-size:14px;color:var(--text-secondary, #666);margin:0}.admin-analytics-layout{display:flex;gap:20px;align-items:flex-start}.admin-analytics-layout .heatmap-tiles{flex:1;min-width:0}.assistant-panel{flex:0 0 340px;position:sticky;top:16px;align-self:flex-start;max-height:calc(100vh - 32px);display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md, 12px);overflow:hidden}@media (max-width: 1100px){.admin-analytics-layout{flex-direction:column}.assistant-panel{flex-basis:auto;width:100%;position:static;max-height:none}}.assistant-head{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--border);font-weight:600;font-size:15px;color:var(--text-primary)}.assistant-head svg{color:#2563eb}.assistant-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:14px}.assistant-cards{display:flex;flex-direction:column;gap:10px}.assistant-card{position:relative;border:1px solid var(--border);border-left-width:3px;border-radius:var(--radius-sm);padding:11px 30px 11px 12px;background:var(--bg-subtle, #fafafa)}.assistant-card--attention{border-left-color:#e5484d}.assistant-card--change{border-left-color:#2563eb}.assistant-card--positive{border-left-color:#2a7a4b}.assistant-card-title{margin:0 0 4px;font-size:13.5px;font-weight:600;color:var(--text-primary)}.assistant-card-detail{margin:0;font-size:12.5px;line-height:1.45;color:var(--text-secondary)}.assistant-card-dismiss{position:absolute;top:8px;right:8px;border:none;background:none;cursor:pointer;color:var(--text-muted);display:flex;padding:2px}.assistant-card-link{margin-top:8px;border:none;background:none;padding:0;color:#2563eb;font-size:12.5px;font-weight:500;cursor:pointer}.assistant-messages{display:flex;flex-direction:column;gap:10px}.assistant-msg{font-size:13.5px;line-height:1.5;border-radius:12px;padding:9px 12px;max-width:92%}.assistant-msg p{margin:0}.assistant-msg--assistant{background:#f4f6fb;color:var(--text-primary);align-self:flex-start;border-bottom-left-radius:4px}.assistant-msg--user{background:#2563eb;color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.assistant-refs{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:5px}.assistant-refs li button,.assistant-refs li span{font-size:12.5px;text-align:left}.assistant-refs li button{border:none;background:none;padding:0;cursor:pointer;color:#2563eb;text-decoration:underline;text-underline-offset:2px}.assistant-suggestions{display:flex;flex-wrap:wrap;gap:6px}.assistant-suggestions button{border:1px solid var(--border);background:var(--bg-card);border-radius:999px;padding:6px 11px;font-size:12px;color:var(--text-secondary);cursor:pointer}.assistant-suggestions button:hover{border-color:#bcd3f7;color:#2563eb}.assistant-input{display:flex;align-items:center;gap:8px;padding:10px 12px;border-top:1px solid var(--border)}.assistant-input input{flex:1;border:1px solid var(--border);border-radius:999px;padding:9px 14px;font-size:13.5px;outline:none;color:var(--text-primary);background:var(--bg-card)}.assistant-input input:focus{border-color:#2563eb}.assistant-input button{flex:0 0 auto;width:34px;height:34px;border-radius:50%;border:none;background:#2563eb;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}.assistant-offline{margin-left:auto;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);border:1px solid var(--border);border-radius:4px;padding:1px 5px}.assistant-typing{display:inline-flex;gap:4px;align-items:center;width:fit-content}.assistant-typing span{width:6px;height:6px;border-radius:50%;background:#9ca3af;animation:assistant-blink 1.2s infinite ease-in-out both}.assistant-typing span:nth-child(2){animation-delay:.2s}.assistant-typing span:nth-child(3){animation-delay:.4s}@keyframes assistant-blink{0%,80%,to{opacity:.25}40%{opacity:1}}.drilldown-scoreline--split{align-items:flex-start;gap:32px}.drilldown-stat{display:flex;flex-direction:column;gap:3px}.drilldown-stat-label{font-size:12px;color:var(--text-muted)}.drilldown-stat-row{display:flex;align-items:baseline;gap:8px}.drilldown-score--sm{font-size:26px}.drilldown-note{margin:-4px 0 12px;font-size:12px;color:var(--text-muted)}.content-session-view{max-width:760px;margin:0 auto;padding:32px 24px 80px;color:var(--app-navy)}.content-session-back{display:inline-flex;align-items:center;gap:6px;background:none;border:none;color:var(--text-muted);font-size:14px;cursor:pointer;padding:0;margin-bottom:24px}.content-session-loading,.content-session-empty{color:var(--text-muted);padding:40px 0}.content-session-eyebrow{font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted);margin-bottom:4px}.content-session-title{font-size:1.6rem;font-weight:700;margin:0 0 16px;display:flex;align-items:center;gap:10px}.content-session-badge{font-size:11px;text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted);border:1px solid var(--line, #e4e4e4);border-radius:999px;padding:2px 10px;font-weight:500}.content-session-takeaway{font-size:1.05rem;font-weight:600;padding:16px 20px;background:var(--learner-blue-soft, #f0f4ff);border-radius:10px;margin-bottom:24px}.content-session-section{border-top:1px solid var(--line, #e4e4e4);padding-top:18px;margin-top:18px}.content-session-section:first-of-type{border-top:0;padding-top:0;margin-top:0}.content-session-section h2{font-size:1.15rem;margin:0 0 8px}.content-session-section p{line-height:1.6;margin:0 0 8px}.content-session-example{background:#fafafa;border-left:3px solid var(--learner-blue, #3b5bdb);padding:10px 14px;margin-top:10px;border-radius:0 6px 6px 0}.content-session-example-label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted);margin-bottom:4px}.content-session-footer{margin-top:32px;display:flex;justify-content:flex-start}.content-session-complete-btn{background:var(--app-navy);color:#fff;border:none;border-radius:8px;padding:10px 18px;font-size:14px;cursor:pointer}.content-session-done{color:var(--learner-blue, #3b5bdb);font-weight:600;font-size:14px}.content-session-illustration{max-width:100%;border-radius:8px;margin:0 0 20px;display:block}.content-session-font-large{font-size:1.15em}.content-session-font-large .content-session-section h2{font-size:1.3em}.content-session-high-contrast{background:#fff;color:#000}.content-session-high-contrast .content-session-section{border-top-color:#000}.content-session-high-contrast .content-session-example{border-left-color:#0b3d91;background:#f5f5f5}.open-session-chip{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;border:1px solid var(--accent-border);background:var(--accent-light);color:var(--accent);font-weight:600;font-size:.85em;line-height:1.6}.open-session-sources-trigger{display:inline-flex;align-items:center;margin-left:8px;padding:2px 10px;border-radius:999px;border:1px solid var(--accent-border);background:transparent;color:var(--accent);font-weight:600;font-size:.85em;line-height:1.6;cursor:pointer}.open-session-sources-trigger:hover{background:var(--accent-light)}.explain-card{padding:18px 20px}.explain-card .session-card-heading h2{margin:0 0 8px;font-size:17px}.explain-card-general{margin:0 0 8px;font-size:12px;color:var(--text-secondary);font-style:italic}.explain-card-points{margin:0;padding-left:18px;display:grid;gap:6px;font-size:14px;line-height:1.45}.explain-card-example{margin:12px 0 0;padding:8px 10px;border-left:3px solid var(--accent);background:var(--accent-light);border-radius:6px;font-size:13px;line-height:1.45}.explain-card-example span{display:block;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--accent);margin-bottom:2px}.open-session-prestart{display:grid;gap:10px;justify-items:center;max-width:460px}.open-session-prestart-title{display:inline-flex;align-items:center;gap:10px;font-size:17px;color:#f8fafc}.open-session-prestart-edit{padding:1px 10px;border-radius:999px;border:1px solid rgba(248,250,252,.35);background:transparent;color:#e2e8f0;font-size:12px;cursor:pointer}.open-session-prestart-edit:hover{background:#f8fafc14}.open-session-prestart-rename{display:inline-flex;gap:8px;align-items:center}.open-session-prestart-rename input{min-width:240px;padding:6px 10px;border-radius:8px;border:1px solid rgba(248,250,252,.35);background:#0f172a99;color:#f8fafc;font-size:14px}.tutor-video-stage-placeholder .open-session-prestart-goal{padding:10px 14px;border-radius:10px;background:#f8fafc14;color:#f8fafc;font-style:italic}.open-session-prestart-goal span{display:block;margin-bottom:4px;font-style:normal;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#fdba74}@media (min-width: 1101px){.session-body.session-body-open{grid-template-columns:minmax(0,1fr) minmax(280px,390px)}}