:root {
  color-scheme: light;
  --paper: #f5f2ec;
  --wash: #eeeae3;
  --surface: #faf8f4;
  --open: #ece8f7;
  --ink: #191621;
  --muted: #625c69;
  --line: #d4cec5;
  --line-dark: #aaa2ad;
  --aubergine: #2a1d52;
  --lavender: #b9a8f0;
  --warning: #63440a;
  --warning-bg: #f7e8bd;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #e8e3dc;
  color: var(--ink);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.product-bar {
  min-height: 58px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 1px solid var(--aubergine);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.product-name {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  white-space: nowrap;
}
.product-name strong { color: var(--lavender); }
.product-name:focus-visible { outline: 2px solid var(--lavender); outline-offset: 3px; }
.run-meta { display: flex; align-items: center; color: #d5cedd; }
.run-meta span,
.run-meta time { padding: 0 14px; border-left: 1px solid #4c4654; }
.run-meta time { padding-right: 0; }

.report {
  width: min(calc(100% - 40px), var(--max));
  margin: 28px auto 0;
  background: var(--paper);
  border: 1px solid var(--line-dark);
}
.priority-records { border-bottom: 1px solid var(--line-dark); }
.signal-record { background: var(--surface); border-bottom: 1px solid var(--line); }
.signal-record:last-child { border-bottom: 0; }
.signal-record summary {
  padding: 30px 28px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 22px;
  list-style: none;
  cursor: pointer;
  transition: background-color .16s ease;
}
.signal-record summary::-webkit-details-marker { display: none; }
.signal-record summary::marker { content: ""; }
.signal-record summary:hover { background: var(--wash); }
.signal-record summary:focus-visible { outline: 3px solid var(--aubergine); outline-offset: -3px; }
.signal-record[open] summary { background: var(--open); }
.record-number {
  padding-top: 6px;
  color: var(--aubergine);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
}
.record-body { min-width: 0; display: block; }
.record-title-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.record-title { font-size: 36px; font-weight: 750; line-height: 1; letter-spacing: -.04em; }
.confidence {
  flex: 0 0 auto;
  padding: 6px 8px 5px;
  background: var(--open);
  color: var(--aubergine);
  border: 1px solid #c8bde2;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.confidence.conditional { background: var(--warning-bg); color: var(--warning); border-color: #d2bb76; }
.evidence-copy {
  max-width: 75ch;
  margin-top: 20px;
  display: block;
  color: #332f38;
  font-size: 18px;
  line-height: 1.56;
  letter-spacing: -.01em;
}
.record-control {
  margin-top: 24px;
  padding-top: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--aubergine);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.record-control b { font-size: 18px; font-weight: 500; transition: transform .16s ease; }
.close-label { display: none; }
.signal-record[open] .open-label { display: none; }
.signal-record[open] .close-label { display: inline; }
.signal-record[open] .record-control b { transform: rotate(45deg); }

.record-detail {
  padding: 26px 28px 30px 98px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px 26px;
  background: var(--wash);
  border-top: 1px solid var(--line);
}
.record-detail p,
.record-detail blockquote { margin: 0; }
.why-special { grid-column: 1 / -1; max-width: 75ch; }
.why-special h3 {
  margin: 0 0 12px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.why-special ul { margin: 0; padding-left: 20px; color: #332f38; font-size: 16px; line-height: 1.55; }
.why-special li + li { margin-top: 6px; }
.seller-line,
.boundary {
  min-height: 128px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  border: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.5;
}
.seller-line { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.seller-line strong,
.boundary strong {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.seller-line strong { color: var(--lavender); }
.seller-line p { max-width: 58ch; font-weight: 650; }
.boundary { background: var(--surface); color: #49434e; border-color: var(--aubergine); }
.fit-note { grid-column: 1 / -1; max-width: 75ch; color: var(--muted); font-size: 14px; line-height: 1.5; }
.sources { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.sources a {
  min-width: 44px;
  min-height: 44px;
  padding: 10px 0 8px;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid currentColor;
  color: var(--aubergine);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
  font-weight: 750;
  text-decoration: none;
  text-transform: uppercase;
}
.sources a:focus-visible { outline: 2px solid var(--aubergine); outline-offset: 3px; }
.method-boundary { margin: 0; padding: 22px 28px 24px 98px; color: var(--muted); font-size: 12px; line-height: 1.5; }
footer {
  width: min(calc(100% - 40px), var(--max));
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

@media (max-width: 620px) {
  .product-bar { min-height: 54px; padding: 0 14px; }
  .product-name { font-size: 10px; }
  .run-meta span { display: inline; }
  .run-meta time { display: none; }
  .report { width: 100%; margin: 0; border-left: 0; border-right: 0; }
  .signal-record summary { padding: 24px 16px; grid-template-columns: 28px minmax(0, 1fr); gap: 10px; }
  .record-number { font-size: 10px; }
  .record-title-row { align-items: flex-start; flex-direction: column; gap: 10px; }
  .record-title { font-size: 28px; }
  .evidence-copy { margin-top: 16px; font-size: 16px; line-height: 1.55; }
  .record-detail { padding: 22px 16px 26px 54px; grid-template-columns: 1fr; gap: 12px; }
  .why-special,
  .sources,
  .fit-note { grid-column: 1; }
  .seller-line,
  .boundary { min-height: 0; }
  .method-boundary { padding: 20px 16px 24px 54px; }
  footer { width: 100%; min-height: 92px; padding: 20px 16px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .signal-record summary,
  .record-control b { transition: none; }
}