.subject-asset-hub{background:var(--color-bg-card,#fff);border:1px solid var(--color-border,#e2e8f0);width:100%;box-shadow:var(--shadow-sm,0 1px 3px #0000000f);box-sizing:border-box;font-family:var(--font-family,inherit);border-radius:24px;margin:12px 0;padding:24px;transition:background-color .2s,border-color .2s}@media (width>=768px){.subject-asset-hub{padding:32px}}html.dark .subject-asset-hub,html[data-theme=dark] .subject-asset-hub{background:var(--color-bg-card,#0f172a);border-color:var(--color-border,#1e293b);box-shadow:0 4px 20px #00000040}.hub-header{border-bottom:1px solid var(--color-border,#f1f5f9);flex-direction:column;gap:16px;padding-bottom:24px;display:flex}html.dark .hub-header,html[data-theme=dark] .hub-header{border-bottom-color:var(--color-border,#1e293b)}.hub-badge{color:#4f46e5;text-transform:uppercase;letter-spacing:.05em;background:#6366f11a;border-radius:9999px;align-items:center;gap:8px;margin-bottom:8px;padding:4px 12px;font-size:11px;font-weight:700;display:inline-flex}html.dark .hub-badge,html[data-theme=dark] .hub-badge{color:#818cf8;background:#6366f133}.hub-title{color:var(--color-heading,#0f172a);letter-spacing:-.02em;margin:0;font-size:22px;font-weight:800;line-height:1.3}@media (width>=768px){.hub-title{font-size:28px}}html.dark .hub-title,html[data-theme=dark] .hub-title{color:#fff}.hub-desc{color:var(--color-text-muted,#64748b);max-width:650px;margin-top:6px;margin-bottom:0;font-size:13px;line-height:1.5}html.dark .hub-desc,html[data-theme=dark] .hub-desc{color:var(--color-text-muted,#94a3b8)}.hub-tabs-bar{-ms-overflow-style:none;scrollbar-width:none;align-items:center;gap:8px;padding:16px 0;display:flex;overflow-x:auto}.hub-tabs-bar::-webkit-scrollbar{display:none}.hub-tab-btn{white-space:nowrap;cursor:pointer;background:var(--color-bg-subtle,#f1f5f9);color:var(--color-text-secondary,#475569);border:1px solid #0000;border-radius:16px;align-items:center;gap:8px;padding:8px 16px;font-size:12px;font-weight:700;transition:all .2s;display:flex}.hub-tab-btn:hover{color:var(--color-heading,#0f172a);background:#e2e8f0}html.dark .hub-tab-btn,html[data-theme=dark] .hub-tab-btn{color:#94a3b8;background:#1e293b}html.dark .hub-tab-btn:hover,html[data-theme=dark] .hub-tab-btn:hover{color:#fff;background:#334155}.hub-tab-btn.active{color:#fff;box-shadow:var(--shadow-sm);background:#0f172a;transform:scale(1.03)}html.dark .hub-tab-btn.active,html[data-theme=dark] .hub-tab-btn.active{color:#0f172a;background:#fff}.hub-tab-count{color:inherit;background:#00000014;border-radius:9999px;padding:2px 6px;font-family:monospace;font-size:10px}.hub-tab-btn.active .hub-tab-count{color:#fff;background:#ffffff40}html.dark .hub-tab-btn.active .hub-tab-count,html[data-theme=dark] .hub-tab-btn.active .hub-tab-count{color:#0f172a;background:#00000026}.hub-toolbar{flex-direction:column;gap:12px;padding:8px 0 24px;display:flex}@media (width>=640px){.hub-toolbar{flex-direction:row;justify-content:space-between;align-items:center}}.hub-search-box{width:100%;position:relative}@media (width>=640px){.hub-search-box{width:320px}}.hub-search-icon{color:var(--color-text-muted,#94a3b8);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.hub-search-input{background:var(--color-bg-subtle,#f8fafc);border:1px solid var(--color-border,#e2e8f0);width:100%;color:var(--color-text,#0f172a);box-sizing:border-box;border-radius:16px;outline:none;padding:10px 16px 10px 38px;font-size:12px;font-weight:500;transition:border-color .2s,box-shadow .2s}.hub-search-input:focus{border-color:#6366f1;box-shadow:0 0 0 3px #6366f126}html.dark .hub-search-input,html[data-theme=dark] .hub-search-input{background:var(--color-bg-subtle,#090e1c);border-color:var(--color-border,#1e293b);color:#fff}.hub-filter-group{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.hub-filter-label{color:var(--color-text-muted,#64748b);align-items:center;gap:4px;font-size:12px;font-weight:600;display:flex}html.dark .hub-filter-label,html[data-theme=dark] .hub-filter-label{color:var(--color-text-muted,#94a3b8)}.hub-filter-btn{cursor:pointer;background:var(--color-bg-subtle,#f1f5f9);color:var(--color-text-muted,#64748b);border:none;border-radius:12px;padding:6px 12px;font-size:12px;font-weight:600;transition:all .2s}.hub-filter-btn:hover{color:var(--color-heading,#0f172a);background:#e2e8f0}.hub-filter-btn.active{color:#fff;background:#4f46e5}html.dark .hub-filter-btn,html[data-theme=dark] .hub-filter-btn{color:#94a3b8;background:#1e293b}html.dark .hub-filter-btn:hover,html[data-theme=dark] .hub-filter-btn:hover{color:#fff;background:#334155}html.dark .hub-filter-btn.active,html[data-theme=dark] .hub-filter-btn.active{color:#fff;background:#6366f1}.hub-loading{text-align:center;color:var(--color-text-muted,#64748b);padding:64px 0}.hub-loading-spinner{color:#4f46e5;width:32px;height:32px;margin:0 auto 8px;animation:1s linear infinite hubSpin}.hub-empty-state{text-align:center;border:2px dashed var(--color-border,#e2e8f0);color:var(--color-text-muted,#64748b);border-radius:24px;padding:64px 24px}html.dark .hub-empty-state,html[data-theme=dark] .hub-empty-state{border-color:var(--color-border,#1e293b)}.hub-asset-grid{grid-template-columns:1fr;gap:16px;display:grid}@media (width>=768px){.hub-asset-grid{grid-template-columns:repeat(2,1fr)}}@media (width>=1024px){.hub-asset-grid{grid-template-columns:repeat(3,1fr)}}.hub-asset-card{border:1px solid var(--color-border,#e2e8f0);box-shadow:var(--shadow-sm);box-sizing:border-box;background:#f8fafcb3;border-radius:24px;flex-direction:column;justify-content:space-between;padding:20px;transition:all .2s;display:flex}.hub-asset-card:hover{background:var(--color-bg-card,#fff);box-shadow:var(--shadow-md);border-color:#818cf8;transform:translateY(-2px)}html.dark .hub-asset-card,html[data-theme=dark] .hub-asset-card{border-color:var(--color-border,#1e293b);background:#0f172a66}html.dark .hub-asset-card:hover,html[data-theme=dark] .hub-asset-card:hover{background:var(--color-bg-card,#0f172a);border-color:#6366f1}.hub-card-badges{justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;display:flex}.hub-term-badge{text-transform:uppercase;border:1px solid;border-radius:8px;padding:2px 10px;font-size:10px;font-weight:800}.hub-term-midterm{color:#7e22ce;background:#faf5ff;border-color:#e9d5ff}html.dark .hub-term-midterm,html[data-theme=dark] .hub-term-midterm{color:#d8b4fe;background:#7e22ce33;border-color:#d8b4fe4d}.hub-term-finalterm{color:#be123c;background:#fff1f2;border-color:#fecdd3}html.dark .hub-term-finalterm,html[data-theme=dark] .hub-term-finalterm{color:#fda4af;background:#be123c33;border-color:#fda4af4d}.hub-term-general{color:#475569;background:#f1f5f9;border-color:#cbd5e1}html.dark .hub-term-general,html[data-theme=dark] .hub-term-general{color:#94a3b8;background:#1e293b;border-color:#334155}.hub-asset-title{color:var(--color-heading,#0f172a);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:14px;font-weight:700;line-height:1.4;transition:color .2s;display:-webkit-box;overflow:hidden}.hub-asset-card:hover .hub-asset-title{color:#4f46e5}html.dark .hub-asset-title,html[data-theme=dark] .hub-asset-title{color:#fff}html.dark .hub-asset-card:hover .hub-asset-title,html[data-theme=dark] .hub-asset-card:hover .hub-asset-title{color:#818cf8}.hub-asset-desc{color:var(--color-text-muted,#64748b);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:6px;margin-bottom:0;font-size:12px;line-height:1.5;display:-webkit-box;overflow:hidden}html.dark .hub-asset-desc,html[data-theme=dark] .hub-desc{color:#94a3b8}.hub-asset-meta{color:var(--color-text-muted,#94a3b8);flex-wrap:wrap;align-items:center;gap:6px;margin-top:12px;font-size:11px;display:flex}.hub-card-footer{border-top:1px solid var(--color-border,#f1f5f9);justify-content:flex-end;align-items:center;gap:8px;margin-top:16px;padding-top:16px;display:flex}html.dark .hub-card-footer,html[data-theme=dark] .hub-card-footer{border-top-color:var(--color-border,#1e293b)}.hub-btn-download{color:#fff;cursor:pointer;box-shadow:var(--shadow-sm);background:#4f46e5;border:none;border-radius:12px;align-items:center;gap:6px;padding:8px 14px;font-size:12px;font-weight:700;transition:all .2s;display:inline-flex}.hub-btn-download:hover{background:#4338ca;transform:scale(1.02)}.hub-btn-download:active{transform:scale(.96)}@keyframes hubSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}