:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  /* diverging pair: blue = long / bullish, red = short / bearish */
  --pos: #2a78d6;
  --pos-soft: #9ec5f4;
  --neg: #e34948;
  --neg-soft: #f4b0ae;
  --mid: #f0efec;
  --series-1: #2a78d6;
  --hover: rgba(11, 11, 11, 0.04);
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --pos: #3987e5;
    --pos-soft: #1c5cab;
    --neg: #e66767;
    --neg-soft: #8f3433;
    --mid: #383835;
    --series-1: #3987e5;
    --hover: rgba(255, 255, 255, 0.05);
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: inherit; }
.muted { color: var(--muted); }
.secondary { color: var(--ink-2); }
.num { font-variant-numeric: tabular-nums; }

.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 24px;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; }
nav { display: flex; gap: 4px; }
nav a {
  text-decoration: none; padding: 6px 12px; border-radius: 6px; color: var(--ink-2);
}
nav a.active { background: var(--hover); color: var(--ink); font-weight: 600; }
.status { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 13px; }
button, select, input {
  font: inherit; color: var(--ink);
  background: var(--surface); border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 12px;
}
button { cursor: pointer; }
button:hover { background: var(--hover); }
button:disabled { opacity: .6; cursor: progress; }

main { padding: 24px; max-width: 1400px; margin: 0 auto; }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 0; }
.lede { color: var(--ink-2); margin: 0 0 20px; max-width: 760px; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px;
}

/* stat tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile .label { color: var(--ink-2); font-size: 12px; }
.tile .value { font-size: 26px; font-weight: 600; }

/* build-up breadth */
.breadth { margin-bottom: 20px; }
.breadth-row { display: grid; grid-template-columns: 44px 1fr; align-items: center; gap: 8px; margin-top: 8px; }
.stack { display: flex; height: 18px; gap: 2px; }
.stack > div { border-radius: 4px; min-width: 2px; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--ink-2); margin-top: 10px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }

/* filters */
.filters { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.filters input[type=search] { min-width: 240px; }
.filters label { display: flex; gap: 6px; align-items: center; color: var(--ink-2); }

/* industry pair cards */
.pairs { display: grid; grid-template-columns: repeat(auto-fill, minmax(520px, 1fr)); gap: 12px; }
.pair-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.pair-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.col-title { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.col-title.long { color: var(--pos); }
.col-title.short { color: var(--neg); }
.pick {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 8px;
  padding: 8px; border-radius: 8px; cursor: pointer; text-decoration: none;
  border-left: 3px solid transparent;
}
.pick:hover { background: var(--hover); }
.pick.long { border-left-color: var(--pos); }
.pick.short { border-left-color: var(--neg); }
.pick .sym { font-weight: 600; }
.pick .meta { font-size: 12px; color: var(--ink-2); }
.pick .spark { grid-row: span 2; align-self: center; }
.chips { display: flex; gap: 3px; margin-top: 4px; }
.chip {
  font-size: 10px; font-weight: 600; line-height: 1; padding: 3px 4px; border-radius: 4px;
  color: var(--ink); background: var(--mid);
}
.chip.LB { background: var(--pos); color: #fff; }
.chip.SC { background: var(--pos-soft); }
.chip.LU { background: var(--neg-soft); }
.chip.SB { background: var(--neg); color: #fff; }
.chip.na { color: var(--muted); }
.empty { color: var(--muted); font-size: 12px; padding: 8px; }

/* rankings table */
.table-wrap { overflow: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { padding: 6px 10px; text-align: left; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th { font-size: 12px; color: var(--ink-2); font-weight: 600; cursor: pointer; user-select: none; position: sticky; top: 0; background: var(--surface); }
th.sorted::after { content: " ▾"; }
th.sorted.asc::after { content: " ▴"; }
td.r, th.r { text-align: right; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--hover); }
.heat { display: inline-block; min-width: 34px; text-align: center; border-radius: 4px; padding: 1px 6px; }
.badge { font-size: 11px; font-weight: 600; padding: 2px 6px; border-radius: 4px; }
.badge.long { color: var(--pos); border: 1px solid var(--pos); }
.badge.short { color: var(--neg); border: 1px solid var(--neg); }
.up { color: var(--pos); }
.down { color: var(--neg); }

/* stock detail */
.detail-head { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 12px; }
.detail-grid .span { grid-column: 1 / -1; }
.chart-title { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
svg text { fill: var(--muted); font-size: 11px; }
.peers li { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px solid var(--grid); }
.peers ul { list-style: none; margin: 0; padding: 0; }
.peers a { text-decoration: none; }
.peers .me { font-weight: 700; }

.method ol li { margin-bottom: 10px; }
.method code { background: var(--hover); padding: 1px 4px; border-radius: 4px; }

#tooltip {
  position: fixed; pointer-events: none; z-index: 20;
  background: var(--surface); color: var(--ink); border: 1px solid var(--border);
  box-shadow: 0 4px 16px rgba(0,0,0,.12); border-radius: 6px; padding: 6px 8px; font-size: 12px;
}

@media (max-width: 900px) {
  .pairs { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; }
}

/* strongest pairs table */
table.top-pairs td { vertical-align: middle; }
.leg { display: flex; align-items: center; gap: 8px; text-decoration: none; justify-content: space-between; min-width: 170px; }
.leg .sym { font-weight: 600; }
.leg.long .sym { color: var(--pos); }
.leg.short .sym { color: var(--neg); }
.leg .meta { font-size: 12px; color: var(--ink-2); }
.meter { display: inline-block; width: 64px; height: 8px; background: var(--mid); border-radius: 4px; vertical-align: middle; margin-right: 6px; overflow: hidden; }
.meter > span { display: block; height: 100%; background: var(--ink-2); border-radius: 4px; }
.meter.score > span { background: var(--series-1); }
.cc-wrap { display: inline-flex; flex-direction: column; gap: 2px; vertical-align: middle; }
.cc-leg { display: inline-flex; gap: 2px; }
.cc { width: 12px; height: 10px; border-radius: 2px; border: 1.5px solid var(--axis); }
.cc.ok.long { background: var(--pos); border-color: var(--pos); }
.cc.ok.short { background: var(--neg); border-color: var(--neg); }
.cc.na { border-style: dashed; opacity: .5; }
.warn { font-size: 11px; font-weight: 600; color: var(--ink-2); border: 1px dashed var(--axis); border-radius: 4px; padding: 1px 4px; }