*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,sans-serif;background:#f0f2f5;color:#1e293b;font-size:14px;line-height:1.6}button{font-family:inherit;cursor:pointer;border:none;outline:none}input,select,textarea{font-family:inherit;font-size:14px}a{color:inherit}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:500;transition:all .15s}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:#1d4ed8;color:#fff}.btn-primary:hover:not(:disabled){background:#1e40af}.btn-secondary{background:#e2e8f0;color:#334155}.btn-secondary:hover:not(:disabled){background:#cbd5e1}.btn-danger{background:#dc2626;color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-ghost{background:transparent;color:#64748b;padding:6px 12px}.btn-ghost:hover{background:rgba(255,255,255,.15);color:#fff}.btn-lg{padding:12px 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#0000000d}.stat-number{font-size:32px;font-weight:800;color:#1d4ed8}.stat-label{font-size:12px;color:#94a3b8;font-weight:500;margin-top:4px}.complete-learning{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:1.5rem;margin:1.5rem 0;text-align:left}.complete-learning h3{font-size:16px;font-weight:700;color:#0f172a;margin-bottom:1rem}.learning-items{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.learning-item{display:flex;gap:.75rem;align-items:flex-start;font-size:13.5px;color:#334155}.li-icon{font-size:20px;flex-shrink:0}.complete-actions{margin:1.5rem 0 2rem}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:99px}.sim-body ::-webkit-scrollbar-thumb{background:#334155}.live-mode-badge{background:#ef4444;color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:99px;letter-spacing:.5px;animation:pulse-live 2s infinite}@keyframes 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