:root{--bg: #0d1117;--panel: #161b22;--border: #30363d;--text: #e6edf3;--muted: #8b949e;--green: #3fb950;--red: #f85149;--yellow: #d29922;--accent: #58a6ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;font-size:14px}.app{max-width:1280px;margin:0 auto;padding:16px 24px 48px}.header{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--border);margin-bottom:20px}.header h1{font-size:18px;margin:0;font-weight:600}.badge{padding:4px 12px;border-radius:999px;font-weight:700;font-size:12px;letter-spacing:.08em}.badge.paper{background:var(--yellow);color:#1c1505}.badge.live{background:var(--red);color:#fff}.badge.state-running{background:#3fb95026;color:var(--green);border:1px solid var(--green)}.badge.state-stopped{background:#8b949e26;color:var(--muted);border:1px solid var(--muted)}.badge.state-halted{background:#f8514926;color:var(--red);border:1px solid var(--red)}.header .spacer{flex:1}.header .meta{color:var(--muted);font-size:12px}button{font:inherit;border-radius:6px;border:1px solid var(--border);background:var(--panel);color:var(--text);padding:8px 16px;cursor:pointer}button:hover{border-color:var(--muted)}button.kill{background:var(--red);border-color:var(--red);color:#fff;font-weight:700;letter-spacing:.05em}button.kill:hover{background:#da3633}button.start{background:var(--green);border-color:var(--green);color:#03190a;font-weight:600}.grid{display:grid;grid-template-columns:2fr 1fr;gap:16px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px}.panel h2{margin:0 0 12px;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.full{grid-column:1 / -1}.charts{grid-column:1 / -1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}@media(max-width:900px){.charts{grid-template-columns:1fr}}.chart-wrap{position:relative}.legend{position:absolute;bottom:32px;left:8px;z-index:3;display:flex;gap:12px;align-items:center;background:#0d1117bf;border:1px solid var(--border);border-radius:6px;padding:4px 10px;font-size:11px;color:var(--muted);pointer-events:none}.legend .dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px;vertical-align:-1px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin-bottom:16px}.card{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:14px 16px}.card .label{color:var(--muted);font-size:12px;margin-bottom:6px}.card .value{font-size:20px;font-weight:600;font-variant-numeric:tabular-nums}.card .sub{color:var(--muted);font-size:12px;margin-top:4px;font-variant-numeric:tabular-nums}.pos{color:var(--green)}.neg{color:var(--red)}table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}th,td{text-align:right;padding:6px 8px;border-bottom:1px solid var(--border);white-space:nowrap}th:first-child,td:first-child{text-align:left}th{color:var(--muted);font-weight:500;font-size:12px}.empty{color:var(--muted);padding:16px 0;text-align:center}.log{max-height:320px;overflow-y:auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;line-height:1.7}.log .row{display:flex;gap:10px;border-bottom:1px solid rgba(48,54,61,.5);padding:2px 0}.log .time{color:var(--muted);flex-shrink:0}.log .type{flex-shrink:0;width:130px;color:var(--accent)}.log .level-warn .type{color:var(--yellow)}.log .level-error .type{color:var(--red)}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-box{display:flex;flex-direction:column;gap:14px;width:320px}.login-box h1{font-size:18px;margin:0;display:flex;align-items:center;gap:10px}.login-box input{font:inherit;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:10px 12px}.tabs{display:flex;gap:6px;margin-bottom:14px;border-bottom:1px solid var(--border);padding-bottom:10px}.tab{background:transparent;border:1px solid transparent;color:var(--muted);padding:6px 12px}.tab.active{background:var(--bg);border-color:var(--border);color:var(--text)}.strategy-blurb{color:var(--muted);font-size:12px;margin:0 0 12px}.heatmap th,.heatmap td{text-align:center;font-size:12px;padding:6px 10px}.heatmap td{font-variant-numeric:tabular-nums;cursor:default}.backtest-form{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap;margin-bottom:8px}.backtest-form label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}.backtest-form select,.backtest-form input{font:inherit;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:7px 10px;width:90px}.backtest-form .meta{color:var(--muted);font-size:12px;padding-bottom:9px}.halt-banner{background:#f851491f;border:1px solid var(--red);color:var(--red);border-radius:8px;padding:10px 16px;margin-bottom:16px;font-weight:600}.error-banner{background:#d299221f;border:1px solid var(--yellow);color:var(--yellow);border-radius:8px;padding:10px 16px;margin-bottom:16px}