:root{--bg:#0b0e11;--card:#15191e;--card-light:#1e242b;--border:#262d35;--text:#eaecef;--sub:#8a94a6;--green:#21d466;--green-dark:#0fa94c;--red:#f6465d;--gold:#e8b23c;--accent-text:#04130a}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}button{cursor:pointer;color:var(--text);background:var(--card-light);border:none;border-radius:10px;font-family:inherit;font-size:14px}button:disabled{opacity:.4;cursor:default}input,select{background:var(--card-light);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 10px;font-family:inherit;font-size:14px}.app-shell{flex-direction:column;min-height:100%;display:flex}.header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:14px 20px;display:flex}.brand{align-items:center;gap:10px;font-size:17px;font-weight:700;display:flex}.brand-logo{border-radius:7px;width:28px;height:28px}.brand .beta{color:var(--gold);border:1px solid var(--gold);border-radius:6px;padding:1px 6px;font-size:11px;font-weight:600}.appstore-btn{background:var(--text);color:#0b0e11;white-space:nowrap;border-radius:10px;align-items:center;gap:8px;padding:8px 14px;font-size:13px;font-weight:600;text-decoration:none;display:inline-flex}.appstore-btn:hover{background:#fff}.header-buttons{flex-wrap:wrap;gap:8px;display:flex}.promo-buttons{flex-direction:column;gap:8px;display:flex}.setup{width:100%;max-width:760px;margin:0 auto;padding:32px 20px 60px}.setup h1{letter-spacing:-.5px;margin:0 0 8px;font-size:30px}.setup .tagline{color:var(--sub);margin:0 0 28px;font-size:15px;line-height:1.5}.section-label{text-transform:uppercase;letter-spacing:1px;color:var(--sub);margin:22px 0 10px;font-size:12px;font-weight:600}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--border);background:var(--card);border-radius:10px;align-items:center;gap:6px;padding:9px 14px;font-size:14px;display:inline-flex}.chip .ticker{font-weight:700}.chip .name{color:var(--sub);font-size:12px}.chip.active{border-color:var(--green);background:#21d4661a}.chip.active .name{color:var(--text)}.start-btn{background:var(--green);width:100%;color:var(--accent-text);border-radius:12px;margin-top:32px;padding:15px;font-size:16px;font-weight:700}.start-btn:hover:not(:disabled){background:var(--green-dark);color:var(--text)}.error-box{border:1px solid var(--red);color:var(--red);background:#f6465d1f;border-radius:10px;margin-top:16px;padding:12px 14px;font-size:14px}.promo{border:1px solid var(--border);background:linear-gradient(135deg, var(--card) 0%, #10151b 100%);border-radius:16px;flex-wrap:wrap;align-items:center;gap:20px;margin-top:44px;padding:24px;display:flex}.promo-icon{border-radius:15px;flex-shrink:0;width:64px;height:64px}.promo-body{flex:1;min-width:220px}.promo-body h3{margin:0 0 6px;font-size:17px}.promo-body p{color:var(--sub);margin:0;font-size:14px;line-height:1.5}.replay{flex-direction:column;flex:1;min-height:0;display:flex}.replay-top{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;display:flex}.replay-top .sym{font-size:15px;font-weight:700}.replay-top .sym span{color:var(--sub);margin-left:6px;font-size:13px;font-weight:500}.stat-inline{flex-wrap:wrap;gap:18px;font-size:13px;display:flex}.stat-inline .lbl{color:var(--sub);margin-right:5px}.chart-wrap{flex:1;min-height:320px;position:relative}.chart-wrap .replay-done{z-index:5;background:var(--card);border:1px solid var(--gold);color:var(--gold);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;position:absolute;top:12px;left:50%;transform:translate(-50%)}.controls{border-top:1px solid var(--border);padding:12px 16px calc(12px + env(safe-area-inset-bottom));flex-direction:column;gap:12px;display:flex}.controls-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.play-btn{background:var(--card-light);border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;font-size:18px;display:inline-flex}.speed-btn{border:1px solid var(--border);background:var(--card);border-radius:9px;padding:8px 12px;font-size:13px;font-weight:600}.speed-btn.active{border-color:var(--gold);color:var(--gold)}.spacer{flex:1}.trade-inputs{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.trade-inputs label{color:var(--sub);flex-direction:column;gap:4px;font-size:12px;display:flex}.trade-inputs input{width:76px}.long-btn,.short-btn,.close-btn{color:#fff;border-radius:11px;padding:12px 22px;font-size:15px;font-weight:700}.long-btn{background:var(--green-dark)}.long-btn:hover:not(:disabled){background:var(--green);color:var(--accent-text)}.short-btn{background:#c8354a}.short-btn:hover:not(:disabled){background:var(--red)}.close-btn{background:var(--card-light);border:1px solid var(--gold);color:var(--gold)}.end-btn{border:1px solid var(--border);color:var(--sub);background:0 0;border-radius:10px;padding:10px 16px;font-size:13px}.end-btn:hover{color:var(--text);border-color:var(--sub)}.pos-banner{background:var(--card);border:1px solid var(--border);border-radius:12px;flex-wrap:wrap;align-items:center;gap:16px;padding:10px 14px;font-size:13px;display:flex}.pos-banner .side-long{color:var(--green);font-weight:700}.pos-banner .side-short{color:var(--red);font-weight:700}.pnl-pos{color:var(--green);font-weight:600}.pnl-neg{color:var(--red);font-weight:600}.results{width:100%;max-width:760px;margin:0 auto;padding:32px 20px 60px}.results h1{margin:0 0 4px;font-size:26px}.results .sub{color:var(--sub);margin:0 0 24px;font-size:14px}.big-pnl{letter-spacing:-1px;margin-bottom:24px;font-size:40px;font-weight:800}.stats-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;display:grid}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px}.stat-card .k{color:var(--sub);margin-bottom:6px;font-size:12px}.stat-card .v{font-size:18px;font-weight:700}.trades-table{border-collapse:collapse;width:100%;margin-top:12px;font-size:13px}.trades-table th{text-align:left;color:var(--sub);border-bottom:1px solid var(--border);padding:8px 10px;font-weight:600}.trades-table td{border-bottom:1px solid var(--border);padding:8px 10px}.results-actions{flex-wrap:wrap;gap:10px;margin-top:28px;display:flex}.results-actions .start-btn{flex:1;min-width:200px;margin-top:0}.secondary-btn{background:var(--card-light);border:1px solid var(--border);border-radius:12px;padding:15px 20px;font-size:15px;font-weight:600}.footer{border-top:1px solid var(--border);text-align:center;color:var(--sub);padding:20px;font-size:12px;line-height:1.6}.footer a{color:var(--sub)}.loading-overlay{z-index:50;color:var(--sub);background:#0b0e11d9;flex-direction:column;justify-content:center;align-items:center;gap:14px;font-size:14px;display:flex;position:fixed;inset:0}.spinner{border:3px solid var(--border);border-top-color:var(--green);border-radius:50%;width:34px;height:34px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}