:root {
  --bg: #0e1117;
  --panel: #161b22;
  --panel2: #1c232c;
  --border: #2a323d;
  --text: #d6dee8;
  --muted: #7d8a99;
  --accent: #f5a623;
  --up: #ef4d4d;     /* 涨=红 */
  --down: #2ecc71;   /* 跌=绿 */
  --blue: #4ea8ff;
}
* { box-sizing: border-box; }

/* 模式切换 */
.mode { display: flex; gap: 8px; margin-bottom: 6px; }
.mode button {
  flex: 1; padding: 8px 0; border: 1px solid var(--border); background: var(--panel2);
  color: var(--muted); border-radius: 6px; cursor: pointer; font-size: 13px;
}
.mode button.active { color: #0e1117; background: var(--accent); border-color: var(--accent); font-weight: 700; }
body {
  margin: 0; font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
}
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 16px; }
.brand span { color: var(--accent); font-weight: 600; }
.tag { color: var(--muted); font-size: 12px; }
.layout { display: grid; grid-template-columns: 320px 1fr; gap: 16px; padding: 16px; }
@media (max-width: 860px) { .layout { grid-template-columns: 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.panel h2 { margin: 0 0 14px; font-size: 15px; color: var(--accent); }
.panel h3 { margin: 18px 0 8px; font-size: 14px; color: var(--text); border-left: 3px solid var(--accent); padding-left: 8px; }
label { display: block; margin: 10px 0 4px; color: var(--muted); font-size: 12px; }
select, input {
  width: 100%; padding: 8px 10px; background: var(--panel2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; font-size: 13px;
}
.params { margin: 8px 0; }
.params .prow { display: flex; gap: 8px; align-items: center; margin: 6px 0; }
.params .prow label { margin: 0; flex: 1; }
.params .prow input { width: 90px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.hint { display: inline-block; padding: 8px 0; color: var(--muted); font-size: 12px; }

.datanote { margin: 10px 0 4px; padding: 8px 12px; border-radius: 6px; font-size: 12px; line-height: 1.5; }
.datanote.ok { background: rgba(46,204,113,0.12); border: 1px solid rgba(46,204,113,0.4); color: #8fe3b0; }
.datanote.warn { background: rgba(245,166,35,0.12); border: 1px solid rgba(245,166,35,0.45); color: #f5c87a; }
.datanote.hidden { display: none; }
.livenote { margin: 8px 0 4px; padding: 8px 12px; border-radius: 6px; font-size: 12px; line-height: 1.5;
  background: rgba(78,168,255,0.12); border: 1px solid rgba(78,168,255,0.45); color: #a9d4ff; }
.livenote.hidden { display: none; }
button#run {
  margin-top: 14px; width: 100%; padding: 10px; background: var(--accent); color: #1a1206;
  border: none; border-radius: 6px; font-weight: 700; cursor: pointer; font-size: 14px;
}
button#run:hover { filter: brightness(1.08); }
button#run:disabled { opacity: .5; cursor: default; }
.status { margin-top: 10px; color: var(--blue); font-size: 12px; min-height: 16px; }
.placeholder { color: var(--muted); padding: 40px 0; text-align: center; }
.summary.hidden, .placeholder.hidden { display: none; }
.title { font-size: 15px; font-weight: 600; margin-bottom: 12px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
.card { background: var(--panel2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.card .k { color: var(--muted); font-size: 11px; }
.card .v { font-size: 18px; font-weight: 700; margin-top: 4px; }
.card .v.up { color: var(--up); }
.card .v.down { color: var(--down); }
.chart { background: var(--panel2); border: 1px solid var(--border); border-radius: 8px; padding: 8px; }
.chart svg { width: 100%; height: auto; display: block; }
.tablewrap { max-height: 320px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td { padding: 6px 8px; text-align: right; border-bottom: 1px solid var(--border); }
th:first-child, td:first-child, th:nth-child(2), td:nth-child(2) { text-align: left; }
thead th { position: sticky; top: 0; background: var(--panel2); color: var(--muted); }
tbody tr:hover { background: rgba(245,166,35,.06); }
.buy { color: var(--up); }
.sell { color: var(--down); }
.pos { color: var(--blue); }
.notes { margin-top: 14px; }
.notes .note { background: rgba(245,166,35,.08); border-left: 3px solid var(--accent); padding: 6px 10px; margin: 6px 0; border-radius: 4px; font-size: 12px; color: #e8d2a6; }
.muted { color: var(--muted); font-weight: 400; font-size: 12px; }
.disclaimer { margin-top: 16px; color: var(--muted); font-size: 11px; line-height: 1.6; border-top: 1px dashed var(--border); padding-top: 10px; }

/* ===== 顶部导航 ===== */
.nav { display: flex; gap: 6px; }
.nav button {
  padding: 7px 16px; border: 1px solid var(--border); background: var(--panel2);
  color: var(--muted); border-radius: 7px; cursor: pointer; font-size: 13px; font-weight: 600;
  transition: all .15s;
}
.nav button:hover { color: var(--text); border-color: var(--accent); }
.nav button.active { color: #0e1117; background: var(--accent); border-color: var(--accent); }
.view.hidden { display: none; }
.layout-wide { padding: 16px; max-width: 1280px; margin: 0 auto; }

/* ===== 因子库 ===== */
.fac-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.fac-head h2 { margin: 0; font-size: 17px; color: var(--accent); }
.fac-sub { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.fac-stats { display: flex; gap: 10px; flex-wrap: wrap; }
.fac-stat { background: var(--panel2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 14px; text-align: center; }
.fac-stat b { display: block; font-size: 20px; color: var(--text); }
.fac-stat span { font-size: 11px; color: var(--muted); }
.fac-stat.total b { color: var(--accent); }

.fac-filters { display: flex; gap: 8px; margin: 16px 0; flex-wrap: wrap; }
.chip {
  padding: 6px 14px; border: 1px solid var(--border); background: var(--panel2);
  color: var(--muted); border-radius: 20px; cursor: pointer; font-size: 12px;
}
.chip.on { background: rgba(245,166,35,.15); border-color: var(--accent); color: var(--accent); font-weight: 600; }

.fac-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; margin-top: 8px; }
.fac-card { background: var(--panel2); border: 1px solid var(--border); border-left: 3px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.fac-card.cat-动量 { border-left-color: #f5a623; }
.fac-card.cat-波动 { border-left-color: #4ea8ff; }
.fac-card.cat-量价 { border-left-color: #b07cff; }
.fac-card.cat-持仓 { border-left-color: #2ecc71; }
.fac-card.cat-微观结构 { border-left-color: #ff7a9c; }
.fac-card-top { display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.fac-name { font-size: 13.5px; font-weight: 700; color: var(--text); }
.badge.cat { font-size: 10px; color: var(--muted); border: 1px solid var(--border); border-radius: 4px; padding: 1px 5px; white-space: nowrap; }
.fac-dir { font-size: 12px; margin: 6px 0 4px; font-weight: 600; }
.fac-dir.up { color: var(--up); }
.fac-dir.down { color: var(--down); }
.fac-logic { font-size: 11.5px; color: var(--muted); line-height: 1.5; min-height: 32px; }
.fac-key { font-size: 10px; color: #55606e; margin-top: 6px; font-family: monospace; }

.fac-eval { margin-top: 24px; border-top: 1px solid var(--border); padding-top: 16px; }
.fac-eval-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.fac-eval-head h3 { margin: 0; font-size: 14px; color: var(--text); }
.fac-eval-ctl { display: flex; gap: 8px; align-items: center; }
.fac-eval-ctl select { width: auto; }
.fac-eval-ctl button {
  padding: 8px 14px; background: var(--accent); color: #1a1206; border: none; border-radius: 6px;
  font-weight: 700; cursor: pointer; font-size: 13px; white-space: nowrap;
}
.fac-eval-ctl button:disabled { opacity: .5; cursor: default; }
.fac-eval-note { margin-top: 10px; font-size: 11px; color: var(--muted); line-height: 1.6; }
#evalTable th, #evalTable td { font-size: 12px; }
#evalTable td.ev-name { font-family: monospace; color: var(--text); }
#evalTable td.ev-icir { font-weight: 700; }
#evalTable tr.ev-strong td.ev-icir { color: var(--up); }
#evalTable tr.ev-mid td.ev-icir { color: var(--accent); }
#evalTable tr.ev-weak td.ev-icir { color: var(--muted); }

/* ===== 关于 ===== */
.about-lead { color: var(--text); font-size: 14px; line-height: 1.7; margin: 8px 0 18px; }
.about-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.about-card { background: var(--panel2); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.about-ic { font-size: 18px; font-weight: 800; color: var(--accent); }
.about-card h4 { margin: 6px 0 8px; font-size: 14px; color: var(--text); }
.about-card p { margin: 0; font-size: 12px; color: var(--muted); line-height: 1.6; }
.about-rule { margin-top: 20px; background: rgba(245,166,35,.06); border: 1px solid rgba(245,166,35,.3); border-radius: 10px; padding: 14px 16px; }
.about-rule h4 { margin: 0 0 8px; font-size: 14px; color: var(--accent); }
.about-rule ul { margin: 0; padding-left: 18px; }
.about-rule li { font-size: 12.5px; color: var(--text); line-height: 1.7; }

@media (max-width: 860px) {
  .tag { display: none; }
  .topbar { flex-wrap: wrap; gap: 8px; }
}

/* ===== 过拟合体检（DSR / PBO） ===== */
.diag { margin-top: 20px; border-top: 1px solid var(--border); padding-top: 16px; }
.diag h3 { margin: 0 0 12px; font-size: 14px; color: var(--text); border-left: 3px solid var(--blue); padding-left: 8px; }
.diag-cards { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); margin-bottom: 12px; }
.diag-pbo { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.diag-pbo button {
  padding: 8px 14px; background: var(--blue); color: #06121f; border: none; border-radius: 6px;
  font-weight: 700; cursor: pointer; font-size: 13px; white-space: nowrap;
}
.diag-pbo button:disabled { opacity: .5; cursor: default; }
.pbo-result { background: var(--panel2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; margin-bottom: 10px; }
.pbo-head { font-size: 13px; margin-bottom: 8px; }
.pbo-head b { font-size: 15px; }
.pbo-tbl { width: 100%; border-collapse: collapse; margin-top: 4px; }
.pbo-tbl th, .pbo-tbl td { border: 1px solid var(--border); padding: 5px 8px; font-size: 12px; text-align: left; }
.pbo-tbl th { background: var(--panel); color: var(--muted); font-weight: 600; }
.pbo-tbl td:first-child { font-family: monospace; color: var(--muted); }
.pbo-sub { margin-top: 8px; font-size: 11.5px; color: var(--muted); line-height: 1.6; }
.diag-note { font-size: 11px; color: var(--muted); line-height: 1.6; background: rgba(78,168,255,.06); border: 1px solid rgba(78,168,255,.25); border-radius: 8px; padding: 8px 10px; }

/* ===== 组合回测（截面组合层） ===== */
.pf-symbols { display: flex; flex-wrap: wrap; gap: 6px 10px; margin-bottom: 8px; max-height: 140px; overflow-y: auto; }
.pf-chip { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--text); background: var(--panel2); border: 1px solid var(--border); border-radius: 6px; padding: 4px 8px; cursor: pointer; }
.pf-chip input { margin: 0; }
.pf-selall { display: flex; gap: 8px; margin-bottom: 12px; }
.pf-selall button { padding: 5px 12px; background: var(--panel2); color: var(--text); border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-size: 12px; }
.pf-selall button:hover { border-color: var(--accent); }
.pf-weights { background: var(--panel2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.pf-wrow { display: flex; align-items: center; gap: 10px; margin: 6px 0; }
.pf-wname { width: 64px; font-size: 12px; color: var(--muted); font-family: monospace; }
.pf-wbar { flex: 1; height: 14px; background: var(--panel); border-radius: 7px; overflow: hidden; }
.pf-wfill { height: 100%; border-radius: 7px; min-width: 2px; }
.pf-wval { width: 52px; text-align: right; font-size: 12px; color: var(--text); font-variant-numeric: tabular-nums; }

/* ===== AI 模拟交易（虚拟盘，仿真实盘终端） ===== */
.sim-wrap { display: flex; flex-direction: column; gap: 14px; padding: 16px; }
.sim-bar { padding: 12px 16px; }
.sim-bar-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.sim-bar-row .fld { flex: 1; min-width: 110px; }
.sim-bar-row .fld-btns { flex: 0 0 auto; display: flex; gap: 8px; align-items: flex-end; min-width: 160px; }
.sim-bar-row .fld label { margin-top: 0; }
.sim-body { display: grid; grid-template-columns: 1fr 340px; grid-template-areas: "left right" "bottom bottom"; gap: 14px; }
@media (max-width: 980px) { .sim-body { grid-template-columns: 1fr; grid-template-areas: "left" "right" "bottom"; } }
.sim-col { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.sim-col-left { grid-area: left; }
.sim-col-right { grid-area: right; }
.sim-col-bottom { grid-area: bottom; }
.sim-quote-top { display: flex; justify-content: space-between; align-items: flex-start; }
.sim-symname { font-size: 17px; font-weight: 700; }
.sim-hint { font-size: 11.5px; color: var(--muted); line-height: 1.5; }
.sim-price-box { text-align: right; }
.sim-price { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.sim-chg { font-size: 13px; font-weight: 600; }
.sim-quote-meta { display: flex; gap: 18px; margin-top: 10px; font-size: 12px; color: var(--muted); align-items: center; }
.sim-quote-meta b { color: var(--text); }
.sim-virtual-tag { margin-left: auto; font-size: 11px; color: var(--accent); border: 1px solid var(--accent); border-radius: 4px; padding: 1px 6px; }
.sim-progbar { height: 5px; background: var(--panel2); border-radius: 3px; margin-top: 8px; overflow: hidden; }
.sim-progbar > div { height: 100%; background: var(--accent); width: 0%; transition: width .2s; }
.sim-ai-row { display: flex; align-items: center; gap: 14px; }
.sim-ai-exp { font-size: 13px; color: var(--muted); }
.sim-ai-exp b { color: var(--text); font-size: 16px; }
.sim-badge { font-size: 18px; font-weight: 700; padding: 4px 16px; border-radius: 6px; }
.sim-badge-long { color: var(--up); background: rgba(239,77,77,.12); border: 1px solid var(--up); }
.sim-badge-short { color: var(--down); background: rgba(46,204,113,.12); border: 1px solid var(--down); }
.sim-badge-flat { color: var(--muted); background: var(--panel2); border: 1px solid var(--border); }
.sim-ai-facs { margin-top: 10px; }
.sim-fac-chips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.sim-fac-chips .chip { font-size: 11px; font-family: monospace; background: var(--panel2); border: 1px solid var(--border); border-radius: 4px; padding: 2px 7px; color: var(--blue); }
.sim-kv { display: flex; justify-content: space-between; padding: 5px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }
.sim-kv span { color: var(--muted); }
.sim-kv b { font-variant-numeric: tabular-nums; }
.sim-kv.big { font-size: 15px; }
.sim-kv.big b { font-size: 20px; }
.sim-order-grid { display: flex; gap: 10px; }
.sim-order-grid .fld { flex: 1; }
.sim-order-btns { display: flex; gap: 8px; margin-top: 12px; }
.sim-order-btns button { flex: 1; padding: 9px 0; border-radius: 6px; border: 1px solid var(--border); cursor: pointer; font-weight: 700; font-size: 13px; background: var(--panel2); color: var(--text); }
.sim-order-btns .buy { color: var(--up); border-color: var(--up); }
.sim-order-btns .buy:hover { background: rgba(239,77,77,.15); }
.sim-order-btns .sell { color: var(--down); border-color: var(--down); }
.sim-order-btns .sell:hover { background: rgba(46,204,113,.15); }
.sim-order-btns .flat { color: var(--muted); }
.sim-order-btns .flat:hover { border-color: var(--accent); color: var(--accent); }
.sim-auto-btn { width: 100%; padding: 14px 0; font-size: 16px; font-weight: 700; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: #0e1117; cursor: pointer; margin-top: 4px; }
.sim-auto-btn.running { background: var(--up); border-color: var(--up); color: #fff; }
.sim-auto-btn:hover { filter: brightness(1.08); }
.sim-metrics { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 12px; font-size: 12px; color: var(--muted); }
.sim-metrics b { color: var(--text); font-variant-numeric: tabular-nums; }
.sim-tabs { display: flex; gap: 6px; margin-bottom: 10px; }
.sim-tab { padding: 5px 14px; background: var(--panel2); border: 1px solid var(--border); border-radius: 6px; color: var(--muted); cursor: pointer; font-size: 12px; }
.sim-tab.active { color: #0e1117; background: var(--accent); border-color: var(--accent); font-weight: 700; }
.sim-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.sim-table th, .sim-table td { text-align: left; padding: 4px 8px; border-bottom: 1px solid var(--border); font-variant-numeric: tabular-nums; }
.sim-table th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--panel); }
.sim-table-wrap { max-height: 240px; overflow-y: auto; }
.sim-log { max-height: 240px; overflow-y: auto; font-size: 12px; font-family: monospace; line-height: 1.7; }
.sim-log .lg { display: flex; gap: 8px; }
.sim-log .lg-time { color: var(--muted); flex: 0 0 90px; }
.sim-log .lg-tag { flex: 0 0 48px; font-weight: 700; }
.sim-log .lg-tag.TRADE { color: var(--blue); }
.sim-log .lg-tag.ORDER { color: var(--muted); }
.sim-log .lg-tag.AUTO { color: var(--accent); }
.sim-log .lg-tag.RISK { color: var(--up); }
.sim-log .lg-tag.ERROR { color: var(--up); }
.sim-log .lg-tag.SYSTEM { color: var(--down); }
.primary { background: var(--accent); color: #0e1117; font-weight: 700; border: 1px solid var(--accent); }
.sim-status, .status { margin-top: 8px; font-size: 12px; color: var(--muted); min-height: 16px; }


/* ===== 实时真实行情状态条 ===== */
.sim-live-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px;
  margin-top: 10px; padding: 8px 10px; font-size: 12px; color: var(--muted);
  background: var(--panel2); border: 1px solid var(--border); border-radius: 6px; }
.sim-live-row b { color: var(--text); font-variant-numeric: tabular-nums; }
.sim-live-row b.up { color: var(--up); }
.sim-live-row b.down { color: var(--down); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: 0 0 auto; }
.live-dot.on { background: var(--down); box-shadow: 0 0 0 3px rgba(46,204,113,.18); animation: livePulse 1.6s infinite; }
.live-dot.off { background: var(--muted); opacity: .6; }
@keyframes livePulse { 0%{box-shadow:0 0 0 0 rgba(46,204,113,.35)} 70%{box-shadow:0 0 0 6px rgba(46,204,113,0)} 100%{box-shadow:0 0 0 0 rgba(46,204,113,0)} }

/* 通用隐藏规则：此前只有 .view.hidden 等特例，导致 .fld.hidden 无效（实时模式步速未隐藏）*/ 
.hidden { display: none !important; }

/* ==================== 交易总览 ==================== */
.desk-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin: 4px 0 8px; }
.desk-head h2 { margin: 0; }
.desk-sub { font-size: 12px; color: var(--muted); }
.desk-virtual-tag { font-size: 11px; color: var(--down); border: 1px solid var(--down);
  border-radius: 4px; padding: 2px 8px; opacity: .85; }
.desk-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 12px; }
@media (max-width: 980px) { .desk-cards { grid-template-columns: repeat(2, 1fr); } }
.desk-card { padding: 14px 16px; }
.desk-card-main { box-shadow: inset 0 0 0 1px var(--accent); }
.desk-card-label { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.desk-card-value { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1.2; }
.desk-card-sub { font-size: 11px; color: var(--muted); margin-top: 6px; }
.desk-card-sub b { color: var(--text); font-variant-numeric: tabular-nums; }
.desk-mid { display: grid; grid-template-columns: 380px 1fr; gap: 12px; margin-bottom: 12px; }
@media (max-width: 980px) { .desk-mid { grid-template-columns: 1fr; } }
.desk-curve-panel canvas { width: 100%; height: 260px; }
.desk-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 11px; color: var(--muted); margin-top: 6px; }
.desk-legend .sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.desk-hint { font-size: 11px; color: var(--muted); font-weight: 400; }
.desk-calendar { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.desk-cal-cell { border: 1px solid var(--border); border-radius: 4px; padding: 5px 6px; min-height: 52px;
  font-size: 11px; display: flex; flex-direction: column; justify-content: space-between; background: var(--panel2); }
.desk-cal-cell .d { color: var(--muted); }
.desk-cal-cell .v { font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
.desk-cal-pos { background: rgba(231, 76, 60, .16); }
.desk-cal-neg { background: rgba(46, 204, 113, .13); }
.desk-cal-empty { opacity: .35; }