:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:#e2e8f0;background-color:#0f0f1a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-card: #1e1e2e;--bg-hover: #2a2a3e;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--accent: #6366f1;--accent-hover: #818cf8;--border: #334155;--success: #10b981;--danger: #ef4444}body{background:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}#root{max-width:none;margin:0;padding:0;text-align:left}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--bg-secondary);padding:16px 24px;border-bottom:1px solid var(--border)}.app-header h1{font-size:1.5rem;font-weight:700;color:var(--accent)}.app-header p{color:var(--text-secondary);font-size:.85rem;margin-top:2px}.tab-nav{display:flex;gap:4px;margin-top:12px}.tab-btn{padding:8px 16px;border:1px solid var(--border);border-radius:6px;background:transparent;color:var(--text-secondary);cursor:pointer;font-size:.85rem;transition:all .2s}.tab-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.tab-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.app-body{display:flex;flex:1;overflow:hidden}.sidebar{width:280px;min-width:280px;background:var(--bg-secondary);border-right:1px solid var(--border);padding:16px;overflow-y:auto;max-height:calc(100vh - 100px)}.param-panel h3{font-size:1rem;margin-bottom:12px;color:var(--accent)}.param-group{margin-bottom:10px}.param-group label{display:block;font-size:.8rem;color:var(--text-secondary);margin-bottom:4px}.param-group input[type=range]{width:100%;accent-color:var(--accent)}.param-group input[type=checkbox]{accent-color:var(--accent)}.param-group select{width:100%;padding:6px 8px;background:var(--bg-primary);border:1px solid var(--border);border-radius:4px;color:var(--text-primary);font-size:.85rem}.run-btn{width:100%;padding:10px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:.9rem;font-weight:600;cursor:pointer;transition:background .2s;margin-top:8px}.run-btn:hover:not(:disabled){background:var(--accent-hover)}.run-btn:disabled{opacity:.5;cursor:not-allowed}.run-btn.secondary{background:var(--bg-hover);border:1px solid var(--border)}.sim-list{margin-top:20px}.sim-list h4{font-size:.85rem;color:var(--text-secondary);margin-bottom:8px}.sim-item{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;border-radius:4px;cursor:pointer;font-size:.8rem;transition:background .2s;margin-bottom:4px}.sim-item:hover{background:var(--bg-hover)}.sim-item.active{background:var(--accent);color:#fff}.remove-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:.9rem;padding:0 4px}.sim-item.active .remove-btn{color:#ffffffb3}.main-content{flex:1;padding:16px 24px;overflow-y:auto;max-height:calc(100vh - 100px)}.timeline-slider{background:var(--bg-card);padding:12px 16px;border-radius:8px;margin-bottom:16px;border:1px solid var(--border)}.timeline-slider label{font-size:.85rem;color:var(--text-secondary)}.timeline-slider strong{color:var(--accent)}.timeline-slider input[type=range]{accent-color:var(--accent);margin-top:6px}.chart-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(480px,1fr));gap:16px}.chart-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:16px}.chart-card.wide{grid-column:1 / -1}.chart-card h4{font-size:.9rem;color:var(--text-secondary);margin-bottom:12px}.chart-card h3{font-size:1.1rem;color:var(--accent);margin-bottom:8px}.stat-row{display:flex;gap:24px;margin-bottom:16px;flex-wrap:wrap}.stat{display:flex;flex-direction:column}.stat-label{font-size:.75rem;color:var(--text-secondary)}.stat-value{font-size:1.3rem;font-weight:700;color:var(--text-primary)}.stats-table{width:100%;border-collapse:collapse;font-size:.8rem}.stats-table th,.stats-table td{padding:6px 10px;text-align:right;border-bottom:1px solid var(--border)}.stats-table th{color:var(--text-secondary);font-weight:600}.stats-table td:first-child,.stats-table th:first-child{text-align:left;color:var(--text-secondary)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 40px;text-align:center}.empty-state h2{color:var(--accent);margin-bottom:16px}.empty-state p{color:var(--text-secondary);max-width:500px;line-height:1.6}.empty-state ul{text-align:left;color:var(--text-secondary);margin-top:16px;line-height:2}.error-banner{background:#991b1b;color:#fff;padding:10px 24px;display:flex;justify-content:space-between;align-items:center;font-size:.85rem}.error-banner button{background:#fff3;border:none;color:#fff;padding:4px 12px;border-radius:4px;cursor:pointer}.strategy-panel{display:grid;grid-template-columns:280px 1fr;gap:24px}.strategy-inputs{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:16px}.strategy-inputs h3{font-size:1rem;color:var(--accent);margin-bottom:16px}.strategy-inputs h4{font-size:.85rem;color:var(--text-secondary);margin:12px 0 8px}.strategy-results,.hypothesis-view{display:flex;flex-direction:column;gap:16px}.verdict{font-size:.9rem;line-height:1.5}.recharts-tooltip-cursor{stroke:var(--border)}.recharts-legend-item-text{color:var(--text-secondary)!important;font-size:.8rem}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#475569}@media(max-width:900px){.app-body{flex-direction:column}.sidebar{width:100%;min-width:auto;max-height:none;border-right:none;border-bottom:1px solid var(--border)}.chart-grid,.strategy-panel{grid-template-columns:1fr}}