.source-main {
  min-width: 0;
  padding: 60px 0 80px;
}

.source-main h1,
.source-main h2,
.source-main h3,
.source-main p,
.source-main dl,
.source-main dd { margin: 0; }

.source-main a:focus-visible,
.source-main summary:focus-visible {
  outline: 2px solid var(--wire-focus);
  outline-offset: 2px;
}

.source-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(420px, 0.85fr);
  align-items: end;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--wire);
}

.source-eyebrow,
.source-focus > div > p,
.source-section-heading > div > p {
  margin-bottom: 8px !important;
  color: var(--signal-muted);
  font: 700 var(--type-meta)/1.3 "Ubuntu Mono", "Nimbus Mono PS", monospace;
  letter-spacing: 0.06em;
}

.source-hero h1 {
  color: var(--signal-ink);
  font-size: var(--type-display);
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.source-hero-copy > p:last-child {
  max-width: 680px;
  margin-top: 12px;
  color: var(--signal-secondary);
  font-size: var(--type-body);
  line-height: 1.5;
  text-wrap: pretty;
}

.source-hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--wire);
  border-radius: var(--radius-panel);
  background: var(--terminal-raised);
  overflow: hidden;
}

.source-hero-meta > div {
  min-width: 0;
  border-left: 1px solid var(--wire-soft);
  padding: 16px;
}

.source-hero-meta > div:first-child { border-left: 0; }
.source-hero-meta > div.state-trusted { box-shadow: inset 0 2px 0 var(--profit); }
.source-hero-meta > div.state-candidate,
.source-hero-meta > div.state-stale { box-shadow: inset 0 2px 0 var(--caution); }
.source-hero-meta > div.state-fresh { box-shadow: inset 0 2px 0 var(--tape-blue); }

.source-hero-meta dt {
  color: var(--signal-muted);
  font: 700 var(--type-meta)/1.3 "Ubuntu Mono", "Nimbus Mono PS", monospace;
}

.source-hero-meta dd {
  margin-top: 6px;
  color: var(--signal-ink);
  font-size: var(--type-body);
  font-weight: 650;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.source-hero-meta small {
  display: block;
  margin-top: 4px;
  color: var(--signal-muted);
  font-size: var(--type-meta);
  line-height: 1.35;
}

.source-focus {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
  gap: 32px;
  margin-top: 32px;
  border: 1px solid var(--wire);
  border-left: 2px solid var(--profit);
  border-radius: var(--radius-panel);
  background: var(--terminal-raised);
  padding: 24px;
}

.source-focus.state-candidate { border-left-color: var(--caution); }

.source-focus h2 {
  max-width: 720px;
  color: var(--signal-ink);
  font-size: var(--type-display);
  font-weight: 650;
  line-height: 1.16;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.source-focus > dl {
  display: grid;
  gap: 12px;
}

.source-focus > dl > div {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 12px;
  border-left: 1px solid var(--wire-soft);
  padding-left: 16px;
}

.source-focus dt,
.source-signal dt {
  color: var(--signal-muted);
  font-size: var(--type-meta);
  font-weight: 700;
}

.source-focus dd,
.source-signal dd {
  color: var(--signal-secondary);
  font-size: var(--type-body);
  line-height: 1.4;
}

.source-alert,
.source-boundary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-left: 2px solid var(--tape-blue);
  background: var(--tape-inset);
  margin-top: 16px;
  padding: 12px 16px;
}

.source-boundary.state-candidate { border-left-color: var(--caution); }
.source-alert.state-error { border-left-color: var(--risk); }
.source-alert strong,
.source-boundary strong {
  flex: 0 0 auto;
  color: var(--signal-ink);
  font-size: var(--type-meta);
}
.source-alert p,
.source-boundary p {
  color: var(--signal-secondary);
  font-size: var(--type-meta);
  line-height: 1.5;
  text-wrap: pretty;
}

.source-section { margin-top: 64px; }
.source-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 18px;
}
.source-section-heading h2 {
  color: var(--signal-ink);
  font-size: var(--type-key);
  font-weight: 700;
  line-height: 1.2;
}
.source-section-heading > p {
  max-width: 560px;
  color: var(--signal-tertiary);
  font-size: var(--type-meta);
  line-height: 1.5;
  text-align: right;
  text-wrap: pretty;
}

.source-pending {
  border: 1px solid var(--wire);
  border-left: 2px solid var(--caution);
  border-radius: var(--radius-panel);
  background: var(--terminal-raised);
  padding: 20px;
}
.source-pending .source-section-heading { margin: 0; }

.source-operation-book {
  border: 1px solid var(--wire);
  border-radius: var(--radius-panel);
  background: var(--terminal-raised);
  overflow: hidden;
}
.source-operation-book table {
  width: 100%;
  border-collapse: collapse;
}
.source-operation-book th {
  background: var(--tape-inset);
  color: var(--signal-muted);
  font: 700 var(--type-meta)/1.3 "Ubuntu Mono", "Nimbus Mono PS", monospace;
  padding: 12px;
  text-align: left;
}
.source-operation-book td {
  border-top: 1px solid var(--wire-soft);
  color: var(--signal-secondary);
  font-size: var(--type-body);
  line-height: 1.45;
  padding: 12px;
  vertical-align: top;
}
.source-operation-book tr.state-bullish td:first-child { box-shadow: inset 2px 0 0 var(--profit); }
.source-operation-book tr.state-bearish td:first-child { box-shadow: inset 2px 0 0 var(--risk); }
.source-operation-book tr.state-neutral td:first-child { box-shadow: inset 2px 0 0 var(--caution); }
.source-operation-book td:first-child a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--signal-ink);
  font: 700 var(--type-body)/1 "Ubuntu Mono", "Nimbus Mono PS", monospace;
  text-decoration: none;
}

.source-stance {
  display: inline-flex;
  min-height: 22px;
  align-items: center;
  border-radius: var(--radius-control);
  padding: 2px 6px;
  color: var(--caution);
  font: 700 var(--type-meta)/1.3 "Ubuntu Mono", "Nimbus Mono PS", monospace;
}
.source-stance.state-bullish { color: var(--profit); }
.source-stance.state-bearish { color: var(--risk); }
.source-number,
.source-proof time,
.source-signal time,
.source-evidence-item time {
  font-family: "Ubuntu Mono", "Nimbus Mono PS", monospace;
  font-variant-numeric: tabular-nums;
}
.source-proof { min-width: 124px; }
.source-proof time { display: block; color: var(--signal-muted); font-size: var(--type-meta); }

.source-main a {
  color: var(--tape-blue);
  text-decoration: none;
  transition: color 150ms ease-out, transform 120ms ease-out;
}
.source-main a:hover { color: var(--profit); }
.source-main a:active { transform: scale(0.97); }
.source-proof a,
.source-signal footer a,
.source-evidence-body a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.source-signal-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.source-index-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.source-signal {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(150px, 0.55fr) minmax(0, 1.25fr) minmax(124px, auto);
  gap: 16px;
  border: 1px solid var(--wire);
  border-left: 2px solid var(--caution);
  border-radius: var(--radius-panel);
  background: var(--terminal-raised);
  padding: 16px;
}
.source-signal.state-bullish { border-left-color: var(--profit); }
.source-signal.state-bearish { border-left-color: var(--risk); }
.source-signal header {
  display: flex;
  align-content: start;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 8px;
}
.source-signal header a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  color: var(--signal-ink);
  font: 700 var(--type-key)/1 "Ubuntu Mono", "Nimbus Mono PS", monospace;
}
.source-signal header > span {
  color: var(--caution);
  font: 700 var(--type-meta)/1.3 "Ubuntu Mono", "Nimbus Mono PS", monospace;
}
.source-signal.state-bullish header > span { color: var(--profit); }
.source-signal.state-bearish header > span { color: var(--risk); }
.source-signal header > small {
  flex-basis: 100%;
  color: var(--signal-muted);
  font-size: var(--type-meta);
}
.source-signal > p {
  color: var(--signal-secondary);
  font-size: var(--type-body);
  line-height: 1.5;
  text-wrap: pretty;
}
.source-signal > dl {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  align-content: start;
  gap: 6px 10px;
}
.source-signal footer {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--wire-soft);
  padding-top: 8px;
}
.source-signal footer time { color: var(--signal-muted); font-size: var(--type-meta); }
.source-index-list .source-signal {
  grid-template-columns: 1fr;
}
.source-index-list .source-signal footer { grid-column: 1; }

.source-evidence-list {
  border: 1px solid var(--wire);
  border-radius: var(--radius-panel);
  background: var(--terminal-raised);
  overflow: hidden;
}
.source-evidence-item { border-top: 1px solid var(--wire-soft); }
.source-evidence-item:first-child { border-top: 0; }
.source-evidence-item > summary {
  min-height: 52px;
  display: grid;
  grid-template-columns: minmax(168px, 0.65fr) minmax(160px, 0.55fr) minmax(120px, 1fr) 24px;
  align-items: center;
  gap: 16px;
  color: var(--signal-secondary);
  cursor: pointer;
  list-style: none;
  padding: 12px 16px;
}
.source-evidence-item > summary::-webkit-details-marker { display: none; }
.source-evidence-item > summary::after {
  content: "+";
  color: var(--signal-muted);
  font: 700 var(--type-key)/1 "Ubuntu Mono", monospace;
  transition: transform 150ms cubic-bezier(0.23, 1, 0.32, 1);
}
.source-evidence-item[open] > summary::after { transform: rotate(45deg); }
.source-evidence-item > summary:hover { background: var(--tape-surface); }
.source-evidence-item > summary span,
.source-evidence-item > summary small {
  color: var(--signal-muted);
  font-size: var(--type-meta);
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.source-evidence-item > summary strong {
  color: var(--signal-ink);
  font-size: var(--type-body);
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.source-evidence-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, auto);
  gap: 24px;
  border-top: 1px solid var(--wire-soft);
  background: var(--tape-inset);
  padding: 16px;
}
.source-evidence-body > p {
  color: var(--signal-secondary);
  font-size: var(--type-body);
  line-height: 1.55;
  overflow-wrap: anywhere;
  text-wrap: pretty;
}
.source-evidence-body > div {
  display: grid;
  justify-items: end;
  align-content: start;
  gap: 4px;
}
.source-evidence-body > div > span { color: var(--signal-muted); font-size: var(--type-meta); }

.source-empty {
  grid-column: 1 / -1;
  border: 1px solid var(--wire);
  border-radius: var(--radius-panel);
  background: var(--terminal-raised);
  padding: 20px;
}
.source-empty strong { color: var(--signal-ink); font-size: var(--type-body); }
.source-empty p {
  margin-top: 6px;
  color: var(--signal-muted);
  font-size: var(--type-meta);
  line-height: 1.5;
}

@media (max-width: 980px) {
  .source-hero,
  .source-focus { grid-template-columns: 1fr; }
  .source-hero-meta { max-width: 720px; }
  .source-signal-list,
  .source-index-list { grid-template-columns: 1fr; }
}

@media (max-width: 840px) {
  .source-main { padding-top: 36px; }
  .source-operation-book { border: 0; background: transparent; overflow: visible; }
  .source-operation-book thead { display: none; }
  .source-operation-book tbody { display: grid; gap: 12px; }
  .source-operation-book tr {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border: 1px solid var(--wire);
    border-left: 2px solid var(--caution);
    border-radius: var(--radius-panel);
    background: var(--terminal-raised);
    padding: 12px;
  }
  .source-operation-book tr.state-bullish { border-left-color: var(--profit); }
  .source-operation-book tr.state-bearish { border-left-color: var(--risk); }
  .source-operation-book td {
    display: grid;
    grid-template-columns: minmax(92px, 0.45fr) minmax(0, 1fr);
    align-items: start;
    gap: 8px;
    border: 0;
    border-top: 1px solid var(--wire-soft);
    padding: 10px 4px;
  }
  .source-operation-book td:nth-child(-n + 2) { border-top: 0; }
  .source-operation-book td::before {
    content: attr(data-label);
    color: var(--signal-muted);
    font: 700 var(--type-meta)/1.3 "Ubuntu Mono", monospace;
  }
  .source-operation-book tr.state-bullish td:first-child,
  .source-operation-book tr.state-bearish td:first-child,
  .source-operation-book tr.state-neutral td:first-child { box-shadow: none; }
  .source-operation-book td:nth-child(6),
  .source-operation-book td:nth-child(7) { grid-column: 1 / -1; }
  .source-signal { grid-template-columns: minmax(140px, 0.45fr) minmax(0, 1fr); }
  .source-signal > dl { grid-column: 1 / -1; }
  .source-evidence-item > summary { grid-template-columns: minmax(150px, 0.8fr) minmax(120px, 1fr) 24px; }
  .source-evidence-item > summary small { grid-column: 1 / 3; }
  .source-evidence-item > summary::after { grid-column: 3; grid-row: 1; }
}

@media (max-width: 600px) {
  .source-main { padding-bottom: 64px; }
  .source-hero { gap: 32px; padding-bottom: 32px; }
  .source-hero h1,
  .source-focus h2 { font-size: var(--type-display); line-height: 1.18; }
  .source-hero-meta { grid-template-columns: 1fr; }
  .source-hero-meta > div,
  .source-hero-meta > div:first-child { border-left: 0; border-top: 1px solid var(--wire-soft); }
  .source-hero-meta > div:first-child { border-top: 0; }
  .source-focus { gap: 24px; padding: 16px; }
  .source-focus > dl > div { grid-template-columns: 1fr; gap: 4px; }
  .source-alert,
  .source-boundary { display: grid; gap: 4px; }
  .source-section { margin-top: 48px; }
  .source-section-heading { display: grid; gap: 8px; }
  .source-section-heading > p { text-align: left; }
  .source-operation-book tr { grid-template-columns: 1fr; }
  .source-operation-book td,
  .source-operation-book td:nth-child(6),
  .source-operation-book td:nth-child(7) { grid-column: 1; }
  .source-operation-book td:nth-child(2) { border-top: 1px solid var(--wire-soft); }
  .source-signal { grid-template-columns: 1fr; }
  .source-signal > dl,
  .source-signal footer { grid-column: 1; }
  .source-evidence-item > summary { grid-template-columns: minmax(0, 1fr) 24px; gap: 6px 12px; }
  .source-evidence-item > summary strong,
  .source-evidence-item > summary small { grid-column: 1; }
  .source-evidence-item > summary::after { grid-column: 2; grid-row: 1 / 3; }
  .source-evidence-body { grid-template-columns: 1fr; gap: 12px; }
  .source-evidence-body > div { justify-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  .source-main a,
  .source-evidence-item > summary::after {
    transition-duration: 0.01ms;
  }
}