/* Shared by the public 历史回测 (/backtest) and 实盘 (/live) pages. */
:root{color-scheme:dark;--page:#0a1017;--line:#263443;--line2:#1e2a37;--text:#e7edf3;--muted:#91a0af;--teal:#45d4b2;--red:#ff7185;--amber:#ffc36a;--bench:#7d8ea0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC",sans-serif}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(ellipse at 50% -25%,#1b3041 0,var(--page) 52%);color:var(--text)}
.shell{max-width:1280px;margin:0 auto;padding:24px 24px 40px}
.topline{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:6px}
.brand{display:flex;align-items:center;gap:12px}
.mark{width:40px;height:40px;display:grid;place-items:center;border:1px solid #317967;border-radius:12px;color:var(--teal);background:linear-gradient(145deg,#17372f,#10211f);font-weight:800}
.brand h1{margin:0;font-size:19px}
.sim-badge{border:1px solid #674d2e;border-radius:999px;background:#2b2116;color:#ffd18a;padding:6px 11px;font-size:12px;white-space:nowrap}
.lede{margin:0 0 16px;color:var(--muted);font-size:12px;line-height:1.7}
.panel{border:1px solid var(--line);border-radius:14px;background:linear-gradient(160deg,rgba(19,29,40,.98),rgba(15,23,32,.98));box-shadow:0 16px 45px #0003}
.section{padding:14px 16px;margin-bottom:14px}
h2{margin:0;font-size:15px}
h3{margin:16px 0 8px;font-size:13px}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.muted{color:var(--muted);font-size:11px}
.rules{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.rule{border:1px solid var(--line2);border-radius:10px;padding:10px 12px;font-size:12px;line-height:1.6;color:#c4d0db}
.rule strong{display:block;color:var(--text);font-size:12px;margin-bottom:2px}
.sleeves{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:12px}
.metric{min-width:0;padding:12px 14px;border:1px solid var(--line2);border-radius:10px}
.metric-label{color:var(--muted);font-size:11px;margin-bottom:6px}
.metric-value{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}
.metric-sub{color:var(--muted);font-size:11px;margin-top:4px;font-variant-numeric:tabular-nums}
.positive{color:var(--teal)}.negative{color:var(--red)}.neutral{color:var(--text)}
.legend{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:11px}
.legend i{display:inline-block;width:14px;height:3px;border-radius:2px;margin-right:5px;vertical-align:3px}
.chart-wrap{position:relative;width:100%;height:290px}
.chart-wrap svg{display:block;width:100%;height:100%}
.gridline{stroke:#263443;stroke-width:1}
.axis{fill:#91a0af;font:10px -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.cursor{stroke:#5d7184;stroke-width:1;stroke-dasharray:3 3}
.tip{position:absolute;pointer-events:none;background:#0d151e;border:1px solid #2a3a49;border-radius:8px;padding:6px 8px;font-size:11px;line-height:1.5;white-space:nowrap;font-variant-numeric:tabular-nums;z-index:2}
.chart-msg{height:100%;display:grid;place-items:center;border:1px dashed var(--line);border-radius:10px;color:var(--muted);font-size:12px;text-align:center;padding:16px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{font:inherit;font-size:12px;color:var(--text);border:1px solid #2a3a49;border-radius:999px;background:#0d151e;padding:5px 10px;cursor:pointer}
.chip:hover{border-color:#429e89}
.chip.active{border-color:var(--teal);background:#15302b}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:12px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line2);white-space:nowrap}
th{position:sticky;top:0;color:var(--muted);font-size:11px;font-weight:600;background:#121b25;z-index:1}
td{font-variant-numeric:tabular-nums}
td.num,th.num{text-align:right}
tr.clickable{cursor:pointer}
tr.clickable:hover td{background:#16212d}
tr.selected td{background:#15232c}
.tag{display:inline-block;border-radius:6px;padding:1px 7px;font-size:11px;margin-left:6px}
.tag-ai{background:#1d2a45;color:#9cb9ff}.tag-agent{background:#2a1d3a;color:#c9a7ff}.tag-product{background:#15302b;color:var(--teal)}.tag-blend{background:#2b2116;color:#ffd18a}
.tag-promoted{background:#15302b;color:var(--teal)}.tag-candidate{background:#1c2733;color:var(--muted)}
.pass{color:var(--teal)}.fail{color:var(--red)}.wait{color:var(--muted)}
.empty{padding:22px 12px;color:var(--muted);text-align:center;border:1px dashed var(--line);border-radius:10px;font-size:12px}
details.notes{padding:12px 16px;color:var(--muted);font-size:11px;line-height:1.7}
details.notes summary{cursor:pointer;color:var(--text);font-size:13px}
details.notes p{margin:6px 0}
.warn{border:1px solid #674d2e;border-radius:10px;background:#21190f;color:#ffd18a;padding:8px 12px;font-size:12px;line-height:1.6;margin-bottom:10px}
.error{margin:16vh auto;max-width:760px;padding:20px;border:1px solid #67333f;border-radius:12px;background:#321c23;color:#ffd0d6}
.hidden{display:none!important}
@media(max-width:900px){.shell{padding:16px 12px 32px}.rules,.sleeves{grid-template-columns:1fr 1fr}.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.chart-wrap{height:240px}}
@media(max-width:560px){.brand h1{font-size:17px}.rules,.sleeves{grid-template-columns:1fr}.metric-value{font-size:17px}.chart-wrap{height:220px}}
:root{--s1:#3987e5;--s2:#d95926;--s3:#199e70;--s4:#c98500;--s5:#d55181;--s6:#9085e9;--s7:#008300;--s8:#e66767}
.swatch{display:inline-block;width:14px;height:3px;border-radius:2px;margin-right:6px;vertical-align:3px;background:var(--c)}
.swatch.dash{background:repeating-linear-gradient(90deg,var(--bench) 0 4px,transparent 4px 7px)}
.chart-wrap.big{height:380px}
.tip .row{display:flex;justify-content:space-between;gap:14px}
tr.bench td{color:var(--muted)}
.range-note{color:var(--muted);font-size:11px;margin:6px 0 0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:900px){.split{grid-template-columns:1fr}.chart-wrap.big{height:300px}}
.nav{display:flex;align-items:center;gap:6px}
.nav a{font-size:12px;color:var(--muted);text-decoration:none;border:1px solid #2a3a49;border-radius:999px;padding:5px 11px}
.nav a.active{color:var(--text);border-color:var(--teal);background:#15302b}
.nav a:focus-visible,.lang-button:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
/* Language: a quiet ghost control set apart from the page tabs by a hairline. */
.lang-switch{position:relative;display:inline-flex;margin-left:6px;padding-left:10px;border-left:1px solid var(--line)}
.lang-button{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 9px;font:inherit;font-size:12px;line-height:1;color:var(--muted);background:transparent;border:0;border-radius:999px;cursor:pointer;transition:color .15s ease-out,background-color .15s ease-out}
.lang-button:hover,.lang-button[aria-expanded="true"]{color:var(--text);background:#16222e}
.lang-button svg{flex:none}
.lang-button .lang-chevron{opacity:.7;transition:transform .15s ease-out}
.lang-button[aria-expanded="true"] .lang-chevron{transform:rotate(180deg)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);z-index:30;min-width:160px;padding:4px;border:1px solid var(--line);border-radius:12px;background:#121c27;box-shadow:0 12px 28px rgba(0,0,0,.45),0 2px 6px rgba(0,0,0,.3);display:flex;flex-direction:column;gap:1px;transform-origin:top right;animation:lang-menu-in .14s ease-out}
@keyframes lang-menu-in{from{opacity:0;transform:translateY(-4px) scale(.98)}}
.nav .lang-menu a.lang-item{display:flex;align-items:center;justify-content:space-between;gap:16px;height:34px;padding:0 10px;border:0;border-radius:8px;font-size:13px;line-height:1;color:#c4d0db;background:none;outline:none}
.nav .lang-menu a.lang-item:hover,.nav .lang-menu a.lang-item:focus-visible{color:var(--text);background:#1b2937}
.nav .lang-menu a.lang-item.active{color:var(--text);font-weight:600}
.lang-item .lang-check{color:var(--teal);visibility:hidden}
.lang-item.active .lang-check{visibility:visible}
@media(prefers-reduced-motion:reduce){.lang-menu{animation:none}.lang-button,.lang-button .lang-chevron{transition:none}}
tr.group td{background:#0f1720;color:var(--muted);font-size:11px;font-weight:600;padding:6px 10px}
.tag-backup{background:#1c2733;color:var(--muted)}
.swatch.dot{background:repeating-linear-gradient(90deg,var(--c) 0 3px,transparent 3px 5px)}
#ai-lab th{white-space:normal;vertical-align:bottom}