:root{--bt-bg:#f4f7f6;--bt-panel:#ffffff;--bt-text:#0b1730;--bt-muted:#64716f;--bt-line:#dce6e3;--bt-soft:#f1f6f4;--bt-accent:#0e8f79;--bt-accent-strong:#087363;--bt-accent-soft:#e7f5f1;--bt-navy:#071b3a;--bt-good:#078b70;--bt-bad:#dc3e45;--bt-amber:#c66a1b}body:has(.positionx-backtest){background:var(--bt-bg);color:var(--bt-text)}.positionx-backtest{min-height:calc(100vh - 64px);width:100%;overflow:hidden;background:radial-gradient(circle at 8% 0,rgba(14,143,121,.055),transparent 24rem),var(--bt-bg);color:var(--bt-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Arial,sans-serif}.positionx-backtest *,.positionx-backtest :after,.positionx-backtest :before{box-sizing:border-box}.positionx-backtest h1,.positionx-backtest h2,.positionx-backtest p{margin:0}.positionx-backtest button,.positionx-backtest input{font:inherit}.backtest-shell{width:min(1440px,calc(100% - 40px));margin:0 auto;padding:18px 0 34px}.hero{display:flex;min-height:88px;align-items:center;justify-content:space-between;gap:24px;padding:0 4px}.hero-copy{min-width:0}.eyebrow{margin-bottom:6px!important;color:var(--bt-accent-strong);font-size:11px;font-weight:850;letter-spacing:.07em}.hero-title-row{display:flex;align-items:baseline;gap:16px}.positionx-backtest h1{color:var(--bt-text);font-size:clamp(24px,2.45vw,38px);font-weight:900;line-height:1.06;letter-spacing:-.035em}.lead{color:var(--bt-muted);font-size:13px;white-space:nowrap}.trust-badge{display:flex;flex:0 0 auto;align-items:center;gap:7px;color:#52635f;font-size:12px;font-weight:700}.trust-badge svg{width:16px;height:16px;color:var(--bt-accent)}.panel{border:1px solid var(--bt-line);border-radius:10px;background:var(--bt-panel);box-shadow:0 10px 28px rgba(23,61,54,.045)}.setup{display:grid;grid-template-columns:minmax(0,.86fr) minmax(620px,1.14fr);min-height:204px;overflow:hidden}.config-box,.upload-box{min-width:0;padding:16px 20px}.upload-box{border-right:1px solid var(--bt-line)}.compact-heading{display:flex;align-items:flex-start;gap:10px}.compact-heading h2,.section-title h2{color:var(--bt-text);font-size:15px;font-weight:850;line-height:1.3}.compact-heading p,.section-title p{margin-top:3px;color:var(--bt-muted);font-size:11px;line-height:1.4}.step-number{color:var(--bt-accent);font-size:22px;font-weight:900;line-height:1;letter-spacing:-.05em}.file-drop{display:flex;height:48px;align-items:center;gap:11px;margin-top:12px;border:1px dashed #a9cec6;border-radius:7px;background:#fbfdfc;padding:0 14px;color:#52635f;cursor:pointer;transition:border-color .16s ease,background .16s ease}.file-drop:hover{border-color:var(--bt-accent);background:var(--bt-accent-soft)}.file-drop input{display:none}.file-drop svg{width:22px;height:22px;flex:0 0 auto;color:var(--bt-accent)}.file-drop span{min-width:0;overflow:hidden;font-size:12px;text-overflow:ellipsis;white-space:nowrap}.file-drop strong{margin-left:3px;color:var(--bt-accent)}.upload-footer{margin-top:9px}.actions{display:grid;grid-template-columns:minmax(120px,1.1fr) minmax(100px,.9fr) 36px;gap:8px}.positionx-backtest .button,.positionx-backtest button{display:inline-flex;height:34px;align-items:center;justify-content:center;gap:7px;border:1px solid var(--bt-navy);border-radius:6px;background:var(--bt-navy);color:#fff;padding:0 12px;cursor:pointer;font-size:12px;font-weight:800;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.positionx-backtest .button:hover,.positionx-backtest button:hover{transform:translateY(-1px);box-shadow:0 6px 14px rgba(7,27,58,.12)}.positionx-backtest button.secondary{border-color:#a9b8b5;background:#fff;color:var(--bt-text)}.positionx-backtest .icon-button{width:36px;padding:0;border-color:var(--bt-line);background:#fff;color:var(--bt-muted)}.export-button svg,.icon-button svg,.run-button svg{width:15px;height:15px}.status{height:20px;margin-top:7px!important;overflow:hidden;color:var(--bt-muted);font-size:10.5px;line-height:20px;text-overflow:ellipsis;white-space:nowrap}.config-box{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 150px;grid-template-rows:auto 1fr;column-gap:14px}.config-box>.compact-heading{grid-column:1/-1}.config-grid{display:grid;grid-column:1;grid-row:2;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px 14px;margin-top:11px}.config-grid label{min-width:0}.config-grid label>span{display:block;margin-bottom:4px;color:#52635f;font-size:10.5px;font-weight:700}.input-shell{position:relative}.input-shell input{width:100%;height:32px;border:1px solid var(--bt-line);border-radius:6px;outline:none;background:#fbfdfc;padding:0 45px 0 10px;color:var(--bt-text);font-size:12px;font-weight:700;transition:border-color .15s ease,box-shadow .15s ease}.input-shell input:focus{border-color:var(--bt-accent);box-shadow:0 0 0 3px rgba(14,143,121,.1)}.input-shell em{position:absolute;top:50%;right:9px;color:#8a9693;font-size:9.5px;font-style:normal;transform:translateY(-50%)}.positionx-backtest .run-button{grid-column:2;grid-row:2;width:100%;align-self:end;border-color:var(--bt-navy);background:var(--bt-navy)}.result-band{display:grid;grid-template-columns:310px minmax(0,1fr);min-height:136px;margin-top:14px;overflow:hidden}.result-summary{display:flex;flex-direction:column;justify-content:center;border-right:1px solid var(--bt-line);padding:18px 22px}.result-kicker{color:var(--bt-muted);font-size:10.5px;font-weight:750}.result-summary>strong{display:block;margin-top:8px;color:var(--bt-text);font-size:clamp(18px,1.6vw,25px);font-weight:900;line-height:1.18;letter-spacing:-.025em}.improvement{display:flex;align-items:center;gap:8px;margin-top:10px;color:var(--bt-good)}.improvement span{font-size:11px;font-weight:750}.improvement b{font-size:25px;line-height:1}.improvement svg{width:24px;height:24px}.result-metrics{display:grid;grid-template-columns:repeat(6,minmax(0,1fr))}.metric{position:relative;display:flex;min-width:0;flex-direction:column;justify-content:center;border-right:1px solid var(--bt-line);padding:14px 13px}.metric:last-child{border-right:0}.metric>span{overflow:hidden;color:var(--bt-muted);font-size:10.5px;font-weight:750;text-overflow:ellipsis;white-space:nowrap}.metric>strong{margin-top:9px;color:var(--bt-text);font-size:clamp(16px,1.4vw,22px);font-weight:900;line-height:1.15;letter-spacing:-.02em}.metric>small,.metric>strong{display:block;white-space:nowrap}.metric>small{margin-top:8px;overflow:hidden;color:#86918e;font-size:9.5px;line-height:1.25;text-overflow:ellipsis}.metric-trend:after{position:absolute;right:12px;bottom:28px;left:12px;height:3px;border-radius:999px;background:linear-gradient(90deg,var(--bt-bad) 0 42%,var(--bt-good) 42% 100%);content:"";opacity:.86}.metric-trend>small{margin-top:17px}.positive{color:var(--bt-good)!important}.negative{color:var(--bt-bad)!important}.health-panel{margin-top:14px;overflow:hidden;border-color:#dcd6fb;background:#faf9ff}.health-toolbar{display:flex;min-height:52px;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid #e2ddfb;background:rgba(255,255,255,.88);padding:8px 14px}.health-toolbar .section-title>svg{background:#6d35e8;color:#fff}.health-toolbar-right{display:flex;min-width:0;align-items:center;gap:10px}.profile-chips{display:flex;min-width:0;overflow:hidden;border:1px solid #e7e3f7;border-radius:6px;background:#fbfaff}.profile-chips span{min-width:0;border-right:1px solid #e7e3f7;padding:5px 9px;color:#7d7890;font-size:9px;white-space:nowrap}.profile-chips span:last-child{border-right:0}.profile-chips b{margin-left:4px;color:#332a4c;font-size:9.5px}.health-badge,.window-status{display:inline-flex;flex:0 0 auto;align-items:center;justify-content:center;border:1px solid;border-radius:999px;font-style:normal;font-weight:800;white-space:nowrap}.health-badge{min-height:24px;padding:0 9px;font-size:9.5px}.health-badge.neutral,.window-status.neutral{border-color:#d9dfdd;background:#f2f5f4;color:#687571}.health-badge.healthy,.window-status.healthy{border-color:#a9dfd1;background:#eaf8f4;color:#087a67}.health-badge.watch{border-color:#f0cf9e;background:#fff8eb;color:#a45b17}.health-badge.stopped,.window-status.stopped{border-color:#f3b9bd;background:#fff0f1;color:#c52f38}.health-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(285px,.78fr);gap:9px;padding:9px}.health-recommendation,.health-window{min-width:0;min-height:92px;border:1px solid var(--bt-line);border-radius:8px;background:#fff}.health-window{display:grid;grid-template-columns:minmax(118px,1.04fr) minmax(220px,1.8fr);align-items:center;padding:8px 10px}.health-window-main{min-width:0;border-right:1px solid #edf0ef;padding-right:10px}.health-window-title{display:flex;align-items:center;justify-content:space-between;gap:7px;color:var(--bt-muted);font-size:9px}.window-status{min-height:17px;padding:0 6px;font-size:8px}.health-window-main>strong{display:block;margin-top:4px;color:var(--bt-text);font-size:19px;font-weight:900;line-height:1}.health-window-main>small{display:block;margin-top:5px;overflow:hidden;color:#7d8986;font-size:8.5px;text-overflow:ellipsis;white-space:nowrap}.health-stats{display:grid;grid-template-columns:1.15fr repeat(4,minmax(0,1fr));min-width:0;margin:0;padding-left:10px}.health-stats div{min-width:0;padding:0 5px}.health-stats dt{color:#969e9c;font-size:7.5px;line-height:1.2}.health-stats dd,.health-stats dt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.health-stats dd{margin:6px 0 0;color:#24344b;font-size:8.5px;font-weight:850}.health-recommendation{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:10px 12px}.health-recommendation.healthy{border-color:#b7e0d6;background:#eef9f6}.health-recommendation.watch{border-color:#edd5ad;background:#fff9ef}.health-recommendation.stopped{border-color:#f1c0c3;background:#fff2f3}.recommendation-copy{min-width:0}.recommendation-budget>span,.recommendation-copy>span{display:block;color:#777f7d;font-size:8.5px}.recommendation-copy>strong{display:block;margin-top:5px;overflow:hidden;color:var(--bt-text);font-size:12px;font-weight:900;text-overflow:ellipsis;white-space:nowrap}.recommendation-copy>small{display:-webkit-box;margin-top:5px;overflow:hidden;color:#6f7b78;font-size:8px;line-height:1.35;-webkit-box-orient:vertical;-webkit-line-clamp:2}.recommendation-budget{flex:0 0 auto;text-align:right}.recommendation-budget>strong{display:block;margin-top:3px;color:#6d35e8;font-size:23px;font-weight:950;line-height:1}.health-recommendation.stopped .recommendation-budget>strong{color:var(--bt-bad)}.recommendation-budget>small{display:block;margin-top:6px;color:#7d8986;font-size:8px;white-space:nowrap}.recommendation-budget b{color:#34433f}.chart-panel,.table-panel{margin-top:14px;padding:16px 20px}.panel-toolbar{min-height:38px;justify-content:space-between;gap:18px}.panel-toolbar,.section-title{display:flex;align-items:center}.section-title{min-width:0;gap:9px}.section-title>svg{width:26px;height:26px;flex:0 0 auto;border-radius:6px;background:var(--bt-accent-soft);color:var(--bt-accent);padding:5px}.table-controls,.toolbar-actions{display:flex;flex:0 0 auto;align-items:center;gap:8px}.segmented{display:inline-flex;overflow:hidden;border:1px solid var(--bt-line);border-radius:6px;background:#fff}.positionx-backtest .segmented button{height:30px;min-width:50px;border:0;border-right:1px solid var(--bt-line);border-radius:0;background:#fff;color:#596763;padding:0 11px;box-shadow:none;font-size:10.5px}.positionx-backtest .segmented button:last-child{border-right:0}.positionx-backtest .segmented button:hover{transform:none;background:var(--bt-soft)}.positionx-backtest .segmented button.active{background:var(--bt-navy);color:#fff}.positionx-backtest .export-button{height:30px;border-color:var(--bt-line);color:var(--bt-text)}.chart-layout{display:grid;grid-template-columns:minmax(0,1fr) 205px;gap:14px;margin-top:12px}.chart-main{min-width:0}.chart-wrap{height:320px;overflow:hidden;border:1px solid var(--bt-line);border-radius:8px;background:#fbfdfc}.chart-wrap svg{display:block;width:100%;height:100%}.legend{display:flex;gap:18px;margin-top:8px;color:var(--bt-muted);font-size:10px}.legend i{display:inline-block;width:24px;height:2px;margin-right:7px;vertical-align:middle}.legend-original{background:#aab3bd}.legend-px{background:var(--bt-accent)}.chart-insights{display:grid;overflow:hidden;border:1px solid var(--bt-line);border-radius:8px;background:#fbfdfc}.chart-insights>div{display:flex;min-height:70px;flex-direction:column;justify-content:center;border-bottom:1px solid var(--bt-line);padding:11px 13px}.chart-insights>div:last-child{border-bottom:0}.chart-insights span{color:var(--bt-muted);font-size:9.5px}.chart-insights strong{margin-top:5px;color:var(--bt-text);font-size:17px;font-weight:900}.chart-insights small{margin-top:4px;color:var(--bt-good);font-size:9.5px;font-weight:750}.table-toolbar{align-items:flex-start}.table-segmented button{min-width:44px!important}.search-control{display:flex;width:142px;height:30px;align-items:center;gap:6px;border:1px solid var(--bt-line);border-radius:6px;background:#fff;padding:0 9px}.search-control svg{width:13px;height:13px;flex:0 0 auto;color:#8b9693}.search-control input{min-width:0;width:100%;border:0;outline:0;background:transparent;color:var(--bt-text);font-size:10.5px}.positionx-backtest .filter-menu{display:none;width:30px;height:30px;border-color:var(--bt-line);background:#fff;color:var(--bt-muted);padding:0}.filter-menu svg{width:14px;height:14px}.table-wrap{margin-top:10px;overflow-x:auto;border:1px solid var(--bt-line);border-radius:7px;background:#fff}.positionx-backtest table{width:100%;min-width:1040px;border-collapse:collapse;font-size:11px}.positionx-backtest td,.positionx-backtest th{height:36px;border-bottom:1px solid #e9efed;padding:0 11px;text-align:left;white-space:nowrap}.positionx-backtest th{height:34px;background:#f2f5f4;color:#55625f;font-size:10.5px;font-weight:800}.positionx-backtest tbody tr:hover{background:#fbfdfc}.positionx-backtest tbody tr:last-child td{border-bottom:0}.empty{height:120px!important;color:var(--bt-muted);text-align:center!important}.rule{display:inline-block;border-radius:999px;background:#eff2f1;padding:3px 7px;color:#73807c;font-size:9.5px}.rule.triggered{background:#fff2e8;color:var(--bt-amber)}.table-footer{display:flex;min-height:45px;align-items:center;justify-content:space-between;color:var(--bt-muted);font-size:10.5px}.page-numbers,.pagination{display:flex;align-items:center;gap:4px}.positionx-backtest .pagination button{width:28px;height:28px;border-color:transparent;background:transparent;color:var(--bt-text);padding:0;box-shadow:none}.positionx-backtest .pagination button:hover{transform:none;background:var(--bt-soft)}.positionx-backtest .pagination button.active{background:var(--bt-navy);color:#fff}.positionx-backtest .pagination button:disabled{cursor:not-allowed;opacity:.35}@media (max-width:1180px){.backtest-shell{width:min(100% - 28px,1100px)}.setup{grid-template-columns:minmax(0,.8fr) minmax(540px,1.2fr)}.result-band{grid-template-columns:260px minmax(0,1fr)}.result-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.metric:nth-child(3){border-right:0}.metric:nth-child(-n+3){border-bottom:1px solid var(--bt-line)}.health-toolbar{align-items:flex-start}.health-toolbar-right{align-items:flex-end;flex-direction:column-reverse}.health-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.health-recommendation{grid-column:1/-1}}@media (max-width:900px){.hero{align-items:flex-start}.hero-title-row{display:block}.lead{margin-top:5px!important}.setup{grid-template-columns:1fr}.upload-box{border-right:0;border-bottom:1px solid var(--bt-line)}.config-box{display:block;min-height:188px}.result-band{grid-template-columns:1fr}.result-summary{border-right:0;border-bottom:1px solid var(--bt-line)}.chart-layout{grid-template-columns:1fr}.chart-insights{grid-template-columns:repeat(4,minmax(0,1fr))}.chart-insights>div{min-height:74px;border-right:1px solid var(--bt-line);border-bottom:0}.chart-insights>div:last-child{border-right:0}.table-controls{max-width:55%}.profile-chips span:nth-child(3),.profile-chips span:nth-child(4),.table-segmented{display:none}.positionx-backtest .filter-menu{display:inline-flex}}@media (max-width:640px){.backtest-shell{width:min(100% - 20px,620px);padding-top:10px}.hero{min-height:108px;flex-direction:column;justify-content:center;gap:8px}.positionx-backtest h1{font-size:25px}.trust-badge{align-self:flex-start}.chart-panel,.config-box,.health-panel,.table-panel,.upload-box{padding:14px}.health-panel{padding:0}.config-box{position:relative;padding-bottom:58px}.config-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.positionx-backtest .run-button{position:absolute;right:14px;bottom:14px;left:14px;width:auto}.result-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.health-toolbar{min-height:52px;align-items:center;padding:11px}.health-toolbar-right{flex:0 0 auto}.profile-chips{display:none}.health-grid{grid-template-columns:1fr;padding:8px}.health-window{grid-template-columns:112px minmax(0,1fr)}.health-recommendation{grid-column:auto;min-height:104px}.metric{min-height:96px}.metric:nth-child(2n){border-right:0}.metric:nth-child(3){border-right:1px solid var(--bt-line)}.metric:nth-child(-n+4){border-bottom:1px solid var(--bt-line)}.panel-toolbar{align-items:flex-start}.section-title p{display:none}.toolbar-actions{flex-direction:column;align-items:flex-end}.chart-wrap{height:250px}.chart-insights{grid-template-columns:repeat(2,minmax(0,1fr))}.chart-insights>div{border-bottom:1px solid var(--bt-line)}.chart-insights>div:nth-child(2n){border-right:0}.chart-insights>div:nth-last-child(-n+2){border-bottom:0}.table-toolbar{flex-direction:column}.table-controls{width:100%;max-width:none}.search-control{width:100%}}