:root {
  --bg: #0a0d12;
  --panel: #10141b;
  --panel-2: #141922;
  --line: #1d2430;
  --line-2: #273042;
  --text: #e7eaf0;
  --muted: #8b94a7;
  --faint: #5d6678;
  --up: #26b67f;
  --up-bg: rgba(38, 182, 127, 0.12);
  --down: #f0525f;
  --down-bg: rgba(240, 82, 95, 0.12);
  --accent: #8b9cff;
  --accent-bg: rgba(139, 156, 255, 0.12);
  --warn: #f2b84b;
  --warn-bg: rgba(242, 184, 75, 0.12);
  --radius: 10px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 13px/1.45 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
button {
  font: inherit; color: var(--text); background: var(--panel-2); border: 1px solid var(--line-2);
  border-radius: 8px; padding: 6px 12px; cursor: pointer; transition: background .15s, border-color .15s;
}
button:hover { background: #1b2230; border-color: #34405a; }
button.primary { background: var(--accent); border-color: var(--accent); color: #0b0e14; font-weight: 600; }
button.primary:hover { filter: brightness(1.08); }
button.danger { color: var(--down); border-color: rgba(240, 82, 95, .45); background: var(--down-bg); }
button.danger:hover { background: rgba(240, 82, 95, .2); }
button.ghost { background: transparent; }
button:disabled { opacity: .45; cursor: default; }
input, select {
  font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line-2);
  border-radius: 8px; padding: 7px 10px; width: 100%;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
.up { color: var(--up); } .down { color: var(--down); } .muted { color: var(--muted); } .faint { color: var(--faint); }
.warn { color: var(--warn); }

/* top bar */
.top {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 22px;
  padding: 10px 18px; background: rgba(10, 13, 18, .92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; letter-spacing: .2px; white-space: nowrap; }
.brand .mark { width: 22px; height: 22px; border-radius: 6px; background: conic-gradient(from 200deg, var(--accent), var(--up), var(--accent)); }
.badge { font-size: 11px; font-weight: 600; letter-spacing: .5px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--muted); }
.badge.paper { color: var(--accent); background: var(--accent-bg); border-color: transparent; }
.badge.testnet { color: var(--warn); background: var(--warn-bg); border-color: transparent; }
.badge.live { color: #fff; background: var(--down); border-color: transparent; }
.quote { display: flex; align-items: baseline; gap: 8px; }
.quote .px { font-size: 20px; font-weight: 650; }
.metrics { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.metric { display: flex; flex-direction: column; }
.metric .k { font-size: 11px; color: var(--muted); }
.metric .v { font-weight: 600; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--faint); margin-right: 6px; }
.dot.on { background: var(--up); box-shadow: 0 0 0 3px var(--up-bg); }
.dot.off { background: var(--down); }
.dot.busy { background: var(--accent); animation: pulse 1.2s infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(139,156,255,.5); } 50% { box-shadow: 0 0 0 5px rgba(139,156,255,0); } }
.controls { display: flex; gap: 8px; }

/* tabs */
.tabs { display: flex; gap: 2px; padding: 0 18px; border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 53px; z-index: 15; }
.tab { padding: 11px 14px; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; font-weight: 500; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }
main { padding: 16px 18px 40px; }
.view { display: none; }
.view.active { display: block; }

/* layout */
.grid-live { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 14px; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.card > .hd { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; border-bottom: 1px solid var(--line); }
.card > .hd h3 { margin: 0; font-size: 12.5px; font-weight: 600; color: var(--muted); letter-spacing: .3px; text-transform: uppercase; }
.card > .bd { padding: 12px 14px; }
.row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 3px 0; }
.row .k { color: var(--muted); }
.empty { color: var(--faint); padding: 14px 0; text-align: center; }

/* chart */
.chart-card { display: flex; flex-direction: column; min-height: 560px; }
.chart-tools { display: flex; gap: 4px; }
.chart-tools button { padding: 3px 9px; font-size: 12px; background: transparent; border-color: transparent; color: var(--muted); }
.chart-tools button.on { color: var(--text); background: var(--panel-2); border-color: var(--line-2); }
#chart { flex: 1; min-height: 520px; }
.legend { display: flex; gap: 14px; padding: 8px 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; flex-wrap: wrap; }
.legend i { display: inline-block; width: 14px; height: 2px; vertical-align: middle; margin-right: 5px; }

/* position */
.pos-side { font-weight: 700; font-size: 12px; padding: 2px 8px; border-radius: 6px; }
.pos-side.long { color: var(--up); background: var(--up-bg); }
.pos-side.short { color: var(--down); background: var(--down-bg); }
.pnl-big { font-size: 26px; font-weight: 700; }
.rbar { position: relative; height: 6px; background: var(--panel-2); border-radius: 4px; margin: 10px 0 4px; overflow: hidden; }
.rbar > span { position: absolute; top: 0; bottom: 0; }

/* feed */
.feed { max-height: 420px; overflow: auto; }
.feed .item { padding: 8px 14px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 54px 1fr; gap: 8px; }
.feed .item:last-child { border-bottom: 0; }
.feed .t { color: var(--faint); font-size: 11.5px; padding-top: 1px; }
.feed .kind { font-size: 10.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .4px; margin-right: 6px; }
.k-trade { color: var(--accent); } .k-sweep { color: #c49bff; } .k-candidate { color: #6fb6ff; }
.k-decision, .k-manage { color: var(--warn); } .k-risk { color: var(--down); } .k-lesson { color: var(--up); }
.k-shock, .k-news { color: var(--warn); } .k-system, .k-control { color: var(--muted); }
.k-prebrief, .k-brain { color: var(--accent); }
.reasoning { white-space: pre-wrap; background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 12px 14px; color: #d3d8e3; line-height: 1.55; max-height: 460px; overflow: auto; }
.preview { color: var(--muted); max-width: 520px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* thinking */
.brainbox { padding: 12px 14px; }
.brainbox .thesis { color: var(--text); margin-top: 6px; }
.chip { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line-2); color: var(--muted); margin: 2px 4px 2px 0; }
.chip.good { color: var(--up); border-color: transparent; background: var(--up-bg); }
.chip.bad { color: var(--down); border-color: transparent; background: var(--down-bg); }
.chip.acc { color: var(--accent); border-color: transparent; background: var(--accent-bg); }

/* tables */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12px; padding: 9px 12px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--panel); }
td { padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--panel-2); }
td.num, th.num { text-align: right; }
.reason { color: var(--muted); max-width: 520px; }
.status { font-size: 11.5px; font-weight: 600; }
.st-taken { color: var(--up); } .st-skipped, .st-below_threshold, .st-stale { color: var(--faint); }
.st-rejected_by_risk, .st-blocked, .st-brain_error, .st-order_failed, .st-error { color: var(--down); }
.st-queued { color: var(--accent); }

/* kpis */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 14px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.kpi .k { color: var(--muted); font-size: 12px; }
.kpi .v { font-size: 22px; font-weight: 650; margin-top: 4px; }
.kpi .s { color: var(--faint); font-size: 12px; margin-top: 2px; }
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.lesson { padding: 10px 14px; border-bottom: 1px solid var(--line); }
.lesson .rule { margin-top: 4px; color: var(--warn); }
.lesson.retired { opacity: .45; }

/* settings */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px 16px; }
.field label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 5px; }
.field .hint { color: var(--faint); font-size: 11.5px; margin-top: 4px; }
.keyrow { display: grid; grid-template-columns: 210px 1fr auto; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); }
.keyrow:last-child { border-bottom: 0; }
.toggle { display: inline-flex; gap: 8px; align-items: center; cursor: pointer; }
.toggle input { width: auto; }
.note { background: var(--accent-bg); color: #c9d0ff; border-radius: 8px; padding: 10px 12px; font-size: 12.5px; }
.note.warnbox { background: var(--warn-bg); color: #f6d79a; }
.note.badbox { background: var(--down-bg); color: #ffb3b9; }

/* modal */
.modal { position: fixed; inset: 0; background: rgba(4, 6, 10, .7); display: none; align-items: flex-start; justify-content: center; z-index: 50; padding: 40px 16px; overflow: auto; }
.modal.open { display: flex; }
.modal .sheet { width: min(980px, 100%); background: var(--panel); border: 1px solid var(--line-2); border-radius: 14px; }
.modal .sheet > .hd { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.modal .sheet > .bd { padding: 16px 18px; }
pre.json { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; max-height: 360px; overflow: auto; font-size: 11.5px; color: #c7cdda; white-space: pre-wrap; word-break: break-word; }
.toast { position: fixed; right: 18px; bottom: 18px; background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 10px; padding: 10px 14px; z-index: 60; display: none; max-width: 420px; }
.toast.show { display: block; }
.banner { margin: 0 0 14px; }

html, body { overflow-x: hidden; }
.quote .px { white-space: nowrap; }
#spread { white-space: nowrap; font-size: 12px; }
@media (max-width: 1100px) {
  .grid-live { grid-template-columns: 1fr; }
  .cols-2, .cols-3 { grid-template-columns: 1fr; }
  .top { flex-wrap: wrap; row-gap: 10px; }
  .metrics { gap: 16px; margin-left: 0; width: 100%; justify-content: space-between; }
  .tabs { top: 0; position: relative; }
}
@media (max-width: 900px) {
  #spread { display: none; }
  .controls button { padding: 6px 10px; }
}
@media (max-width: 720px) {
  .top { gap: 10px 16px; padding: 10px 16px; }
  .metrics { flex-wrap: wrap; gap: 10px 16px; }
  .controls { width: 100%; }
  .controls button { flex: 1; }
  .tabs { overflow-x: auto; padding: 0 8px; }
  main { padding: 12px 16px 32px; }
  .keyrow { grid-template-columns: 1fr; }
  #chart { min-height: 380px; }
  .chart-card { min-height: 420px; }
}
.tab { white-space: nowrap; }
.tabs { scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.card > .hd { flex-wrap: wrap; gap: 8px; }
.chart-tools { flex-wrap: wrap; }
.chart-tools button { white-space: nowrap; }