:root {
  --ink: #07162f;
  --ink-soft: #425069;
  --muted: #6f7b8e;
  --paper: #f3f6fa;
  --panel: #ffffff;
  --line: #dce3ec;
  --mint: #c7ff1a;
  --mint-dark: #617f00;
  --gain: #1f7a3a;
  --loss: #b3261e;
  --warn-bg: #fff4d6;
  --warn-ink: #6b4a00;
  --live-bg: #e7f7d0;
  --chart-line: #07162f;
  --chart-fill: rgba(199, 255, 26, 0.35);
  --chart-grid: #e4e9f0;
  --max: 1180px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8edf5;
    --ink-soft: #b7c2d3;
    --muted: #8f9bb0;
    --paper: #0b1220;
    --panel: #121b2d;
    --line: #26324a;
    --mint-dark: #c7ff1a;
    --gain: #6fd08c;
    --loss: #ff8a80;
    --warn-bg: #3a2f0f;
    --warn-ink: #ffd98a;
    --live-bg: #1f3313;
    --chart-line: #c7ff1a;
    --chart-fill: rgba(199, 255, 26, 0.12);
    --chart-grid: #1f2a40;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: inherit; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.88em; word-break: break-all; }
.wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.muted { color: var(--muted); margin: 0; font-size: 0.9rem; }

.top { position: sticky; top: 0; z-index: 5; background: var(--panel); border-bottom: 1px solid var(--line); }
.bar { height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { font-weight: 800; letter-spacing: -0.02em; text-decoration: none; font-size: 1.1rem; }
.brand span { background: var(--mint); color: #07162f; padding: 1px 6px; border-radius: 4px; margin-left: 2px; }
.mode-switch { display: flex; gap: 6px; }
.mode-switch button {
  font: inherit; font-size: 0.85rem; font-weight: 700; padding: 6px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink); cursor: pointer;
}
.mode-switch button[aria-pressed="true"] { background: var(--ink); color: var(--panel); border-color: var(--ink); }

.intro { padding: 44px 0 8px; }
.eyebrow { color: var(--mint-dark); font-weight: 700; margin: 0 0 8px; font-size: 0.92rem; }
.intro h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 14px; max-width: 760px; }
.lede { color: var(--ink-soft); max-width: 760px; font-size: 1.08rem; margin: 0 0 20px; }
.mode-banner { border-radius: 10px; padding: 14px 16px; font-weight: 700; border: 1px solid var(--line); background: var(--panel); }
.mode-banner.paper { background: var(--warn-bg); color: var(--warn-ink); border-color: transparent; }
.mode-banner.live { background: var(--live-bg); border-color: transparent; }
.mode-banner small { display: block; font-weight: 500; margin-top: 2px; }

.disclosure {
  margin: 20px 0; padding: 18px 20px; border-radius: 12px; border: 2px solid var(--ink);
  background: var(--panel);
}
.disclosure h2 { margin: 0 0 8px; font-size: 1.05rem; }
.disclosure ul { margin: 0; padding-left: 20px; display: grid; gap: 4px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin: 20px 0; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.tile .label { color: var(--muted); font-size: 0.82rem; font-weight: 600; }
.tile .value { font-size: 1.45rem; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.tile .sub { color: var(--muted); font-size: 0.8rem; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin: 16px 0; }
.panel-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.panel h2 { margin: 0; font-size: 1.1rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid2 .panel { margin: 0; }
@media (max-width: 820px) { .grid2 { grid-template-columns: 1fr; } }

.chart { width: 100%; min-height: 220px; }
.chart svg { width: 100%; height: 260px; display: block; }
.chart .axis { fill: var(--muted); font-size: 11px; }
.chart .grid { stroke: var(--chart-grid); stroke-width: 1; }
.chart .line { fill: none; stroke: var(--chart-line); stroke-width: 2; }
.chart .area { fill: var(--chart-fill); stroke: none; }
.chart .base { stroke: var(--muted); stroke-dasharray: 4 4; stroke-width: 1; }

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; }
td.num, th.num { text-align: right; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover, tbody tr.clickable:focus { background: var(--paper); outline: none; }
.gain { color: var(--gain); }
.loss { color: var(--loss); }
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 0.78rem; font-weight: 700; border: 1px solid var(--line); }
.pill.pass { color: var(--gain); }
.pill.fail { color: var(--loss); }
.empty { color: var(--muted); padding: 8px 0; margin: 0; }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 12px 0; }
.facts dt { color: var(--muted); font-weight: 600; }
.facts dd { margin: 0; }
.steps { padding-left: 20px; display: grid; gap: 6px; }

.trail-step { border-left: 3px solid var(--line); padding: 4px 0 10px 14px; margin-left: 4px; }
.trail-step h3 { margin: 0 0 4px; font-size: 0.95rem; }
.trail-step p { margin: 2px 0; }
.trail-step.fail { border-color: var(--loss); }
.trail-step.pass { border-color: var(--gain); }
.checks { list-style: none; padding: 0; margin: 6px 0 0; display: grid; gap: 3px; font-size: 0.86rem; }
.meta { color: var(--muted); font-size: 0.8rem; }
button.link { background: none; border: 0; color: var(--ink); text-decoration: underline; cursor: pointer; font: inherit; }

.foot { color: var(--muted); font-size: 0.85rem; padding: 24px 0 40px; }