:root {
  --bg: #f6f7f9; --surface: #ffffff; --text: #1b1f24; --muted: #57606a; --border: #d8dee4;
  --accent: #2563eb; --accent-soft: #e8efff; --good: #15803d; --good-soft: #e7f6ec; --bad: #b42318; --bad-soft: #fdecea;
  --line: #0f766e; --dev: #7c3aed; --admin: #c2410c;
  --radius: 14px; --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1216; --surface: #171b21; --text: #e6e9ee; --muted: #9aa4b2; --border: #2a3039;
    --accent: #6c9cff; --accent-soft: #1b2740; --good: #4ade80; --good-soft: #13281b; --bad: #f87171; --bad-soft: #2d1515;
    --line: #2dd4bf; --dev: #a78bfa; --admin: #fb923c; --shadow: none;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1216; --surface: #171b21; --text: #e6e9ee; --muted: #9aa4b2; --border: #2a3039;
  --accent: #6c9cff; --accent-soft: #1b2740; --good: #4ade80; --good-soft: #13281b; --bad: #f87171; --bad-soft: #2d1515;
  --line: #2dd4bf; --dev: #a78bfa; --admin: #fb923c; --shadow: none;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 16px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
a { color: var(--accent); }
h1 { font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.1; margin: .2em 0 .3em; }
h2 { font-size: 1.35rem; margin: 0 0 .35em; }
.site-header { padding: 40px 0 24px; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; color: var(--muted); margin: 0; font-weight: 600; }
.lede { font-size: 1.1rem; color: var(--muted); max-width: 70ch; margin: 0; }
main section { margin: 0 0 20px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.explain { color: var(--muted); margin: 0 0 12px; max-width: 75ch; }
.takeaways { border-left: 5px solid var(--accent); }
.takeaways ul { margin: .3em 0 0; padding-left: 1.2em; }
.takeaways li { margin: .45em 0; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.kpi .label { font-weight: 600; margin: 0; }
.kpi .value { font-size: clamp(1.45rem, 2.2vw, 1.75rem); font-weight: 700; margin: .15em 0; font-variant-numeric: tabular-nums; white-space: nowrap; }
.kpi .change { display: inline-block; font-size: .9rem; font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.kpi .change.up { color: var(--good); background: var(--good-soft); } .kpi .change.down { color: var(--bad); background: var(--bad-soft); }
.kpi .help { color: var(--muted); font-size: .92rem; margin: .5em 0 0; }
.value.loss { color: var(--bad); } .value.profit { color: var(--good); }
.section-head { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: flex-start; }
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: .95rem; }
.controls select { font: inherit; padding: 6px 8px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); }
.toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.toggle button { font: inherit; border: 0; background: transparent; color: var(--text); padding: 7px 14px; cursor: pointer; }
.toggle button[aria-checked="true"] { background: var(--accent); color: #fff; }
button:focus-visible, select:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.chart { width: 100%; height: 380px; }
.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; min-width: 560px; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: right; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
thead th { font-size: .9rem; color: var(--muted); font-weight: 600; }
td.loss { color: var(--bad); font-weight: 600; } td.profit { color: var(--good); font-weight: 600; }
.glossary { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; margin: 0; }
.glossary dt { font-weight: 700; } .glossary dd { margin: 0; color: var(--muted); }
.about p { max-width: 80ch; }
.sources { columns: 2 320px; padding-left: 1.1em; font-size: .92rem; }
.sources li { break-inside: avoid; margin: .25em 0; }
details summary { cursor: pointer; font-weight: 600; margin-top: 8px; }
.site-footer { color: var(--muted); font-size: .9rem; padding: 8px 16px 40px; }
@media (max-width: 640px) {
  body { font-size: 16px; } .card { padding: 16px; } .chart { height: 300px; }
  .glossary { grid-template-columns: 1fr; } .glossary dd { margin-bottom: 8px; }
  table { min-width: 0; } th, td { padding: 8px 6px; font-size: .92rem; }
  #yearTable th:nth-child(5), #yearTable td:nth-child(5) { display: none; }   /* keep profit/loss visible without scrolling */
}