/* Context Integrity Proof — page-local styles. */

.proof-hero {
  padding-block: clamp(64px, 8vw, 108px);
  background:
    linear-gradient(135deg, rgba(14, 90, 64, 0.04), transparent 42%),
    var(--paper);
  border-bottom: 1px solid var(--line);
}

.proof-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: 48px;
  align-items: center;
}

.proof-callout {
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: var(--panel);
  padding: 22px;
}

.proof-callout p { color: var(--muted); }
.proof-callout strong { color: var(--ink); }
.proof-kicker {
  margin: 0 0 8px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--green-deep) !important;
}

.proof-scenarios {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 24px;
}

.proof-scenario {
  appearance: none;
  text-align: left;
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 15px;
  cursor: pointer;
}

.proof-scenario:hover { border-color: var(--line-strong); }
.proof-scenario.is-active {
  border-color: var(--green);
  box-shadow: inset 0 0 0 1px var(--green);
  background: var(--green-wash);
}
.proof-scenario > span {
  display: block;
  font-family: var(--mono);
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 8px;
}
.proof-scenario strong { display: block; margin-bottom: 4px; }
.proof-scenario small { display: block; color: var(--muted); line-height: 1.35; }

.proof-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.15fr);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--paper);
}

.proof-stage > section {
  padding: 22px;
  min-width: 0;
}
.proof-stage > section + section { border-left: 1px solid var(--line); }

.proof-step-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.proof-step-label > span {
  display: inline-grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--green-deep);
}

.proof-facts,
.proof-source-meta {
  margin: 0;
}
.proof-facts > div,
.proof-source-meta > div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}
.proof-facts dt,
.proof-source-meta dt {
  font-size: 12px;
  color: var(--muted);
}
.proof-facts dd,
.proof-source-meta dd {
  margin: 0;
  font-size: 13.5px;
}

.proof-context blockquote {
  margin: 0 0 18px;
  padding: 14px 16px;
  border-left: 3px solid var(--green);
  background: var(--panel);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.45;
}

.proof-source {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.proof-source > p { font-size: 14px; color: var(--muted); }
.proof-source-name {
  margin-bottom: 4px;
  color: var(--ink) !important;
  font-weight: 600;
}

.proof-verdict {
  margin-top: 18px;
  padding: 22px;
  border-radius: var(--r);
  background: var(--graphite);
  color: var(--ink-invert);
}
.proof-verdict .proof-step-label { color: var(--muted-invert); }
.proof-verdict .proof-step-label > span { border-color: var(--line-invert); color: var(--green-lift); }
.proof-verdict h3 { color: var(--ink-invert); }
.proof-verdict p { color: var(--muted-invert); }
.proof-verdict-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.proof-verdict-state {
  display: inline-block;
  padding: 4px 9px;
  border: 1px solid var(--line-invert);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}
.proof-verdict-state[data-state="CURRENT"] { color: var(--green-lift); border-color: rgba(127, 216, 174, 0.55); }
.proof-verdict-state[data-state="CHANGED"] { color: #f4d98d; border-color: rgba(244, 217, 141, 0.5); }
.proof-verdict-state[data-state="UNRESOLVED"] { color: #f3b3ae; border-color: rgba(243, 179, 174, 0.5); }
.proof-next {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line-invert);
  font-size: 13.5px;
}

.proof-checks,
.proof-record {
  margin-top: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--paper);
}
.proof-checks h3,
.proof-record h3 { margin-bottom: 16px; }

.proof-check-state {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid var(--line-strong);
  white-space: nowrap;
}
.proof-check-state[data-state="PASS"] { color: var(--green-deep); background: var(--green-wash); }
.proof-check-state[data-state="FAIL"] { color: var(--red); background: rgba(163, 55, 47, 0.06); border-color: rgba(163, 55, 47, 0.25); }
.proof-check-state[data-state="REVIEW"] { color: var(--gold-deep); background: var(--gold-wash); border-color: rgba(125, 98, 32, 0.26); }

.proof-record-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.proof-record pre { max-height: 360px; }

.proof-boundary-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}
.proof-boundary-list p { color: var(--muted-invert); }
.proof-boundary-list strong { color: var(--ink-invert); }

.mt-l { margin-top: 24px; }

@media (max-width: 940px) {
  .proof-hero-grid,
  .proof-boundary-grid { grid-template-columns: 1fr; }
  .proof-scenarios { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-stage { grid-template-columns: 1fr; }
  .proof-stage > section + section { border-left: 0; border-top: 1px solid var(--line); }
}

@media (max-width: 560px) {
  .proof-scenarios { grid-template-columns: 1fr; }
  .proof-record-head { align-items: stretch; flex-direction: column; }
  .proof-facts > div,
  .proof-source-meta > div { grid-template-columns: 1fr; gap: 2px; }
}