/* CONCRETOS GENESIS TRUE S+16 P172 — Concrete decision and evidence authority */
body.s16-p172.p35-concrete {
  --p172-ink: var(--s16-text, #182a28);
  --p172-muted: var(--s16-text-muted, #6f7f7c);
  --p172-line: color-mix(in srgb, var(--s16-border, #d4ddda) 78%, transparent);
  --p172-teal: var(--s16-accent, #477d73);
  --p172-gold: var(--s16-gold, #c9a93f);
}

/* Turn the seven technical lanes into a deliberate decision sequence. */
body.s16-p172.p35-concrete .p35-lanes {
  counter-reset: concrete-lane;
  position: relative;
}
body.s16-p172.p35-concrete .p35-lane {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-color: var(--p172-line);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--s16-surface, #fff) 97%, var(--p172-teal) 3%), var(--s16-surface, #fff));
}
body.s16-p172.p35-concrete .p35-lane::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--p172-teal), var(--p172-gold));
  opacity: .62;
}
body.s16-p172.p35-concrete .p35-lane::after {
  content: "";
  position: absolute;
  width: 160px;
  aspect-ratio: 1;
  inset-inline-end: -92px;
  bottom: -98px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--p172-teal) 18%, transparent);
  box-shadow: 0 0 0 26px color-mix(in srgb, var(--p172-teal) 4%, transparent);
  z-index: -1;
}
body.s16-p172.p35-concrete .p35-lane.featured {
  background: linear-gradient(145deg, color-mix(in srgb, var(--p172-teal) 92%, #10231f), #17352f);
  border-color: color-mix(in srgb, var(--p172-gold) 42%, transparent);
  color: #f7fbfa;
}
body.s16-p172.p35-concrete .p35-lane.featured :is(h3,p,li) { color: inherit; }
body.s16-p172.p35-concrete .p35-lane.featured p,
body.s16-p172.p35-concrete .p35-lane.featured li { color: rgba(247,251,250,.76); }
body.s16-p172.p35-concrete .p35-lane.featured .p35-lane-index { color: var(--p172-gold); }

/* Make every transfer show input, decision and release—not decorative cards. */
body.s16-p172.p35-concrete .p40-track {
  position: relative;
  gap: clamp(1rem, 1.8vw, 1.5rem);
}
body.s16-p172.p35-concrete .p40-track::before {
  content: "";
  position: absolute;
  top: 44px;
  inset-inline: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--p172-gold) 14%, var(--p172-teal) 50%, var(--p172-gold) 86%, transparent);
  opacity: .55;
  pointer-events: none;
}
body.s16-p172.p35-concrete .p40-stage {
  position: relative;
  z-index: 1;
  border: 1px solid var(--p172-line);
  background: color-mix(in srgb, var(--s16-surface, #fff) 96%, var(--p172-teal) 4%);
  box-shadow: 0 18px 44px rgba(24, 52, 47, .08);
}
body.s16-p172.p35-concrete .p40-stage:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--p172-gold) 72%, white);
  outline-offset: 4px;
}
body.s16-p172.p35-concrete .p40-stage-output {
  margin-top: auto;
  border-top: 1px solid var(--p172-line);
  padding-top: 1rem;
}
body.s16-p172.p35-concrete .p40-stage-output small {
  color: var(--p172-teal);
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 800;
}

/* Evidence readiness becomes a controlled publication register. */
body.s16-p172.p35-concrete .p45-evidence-grid {
  gap: clamp(1rem, 1.8vw, 1.5rem);
}
body.s16-p172.p35-concrete .p45-evidence-grid > article {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  border: 1px solid var(--p172-line);
  border-radius: clamp(1.15rem, 1.6vw, 1.6rem);
  background: var(--s16-surface, #fff);
  box-shadow: 0 18px 44px rgba(24, 52, 47, .08);
  overflow: hidden;
}
body.s16-p172.p35-concrete .p45-evidence-grid > article::before {
  content: "PUBLICATION GATE";
  display: block;
  margin: -1px -1px 1.2rem;
  padding: .72rem 1.25rem;
  background: color-mix(in srgb, var(--p172-teal) 9%, var(--s16-surface, #fff));
  border-bottom: 1px solid var(--p172-line);
  color: var(--p172-teal);
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .11em;
}
html[dir="rtl"] body.s16-p172.p35-concrete .p45-evidence-grid > article::before {
  content: "بوابة النشر";
  letter-spacing: 0;
}
body.s16-p172.p35-concrete .p45-state.pending {
  width: fit-content;
  border: 1px solid color-mix(in srgb, var(--p172-gold) 48%, transparent);
  background: color-mix(in srgb, var(--p172-gold) 12%, white);
  color: color-mix(in srgb, var(--p172-gold) 72%, #4b3b08);
}
body.s16-p172.p35-concrete .p45-proof-rule {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr) auto;
  gap: clamp(1rem, 2vw, 2rem);
  align-items: center;
  border-left: 4px solid var(--p172-gold);
  box-shadow: 0 18px 44px rgba(24, 52, 47, .08);
}
html[dir="rtl"] body.s16-p172.p35-concrete .p45-proof-rule {
  border-left: 1px solid var(--p172-line);
  border-right: 4px solid var(--p172-gold);
}
body.s16-p172.p35-concrete .p45-proof-rule a {
  white-space: nowrap;
}

/* Standards and boundaries are evidence controls, not generic feature cards. */
body.s16-p172.p35-concrete .p35-standard {
  position: relative;
  padding-top: 2rem;
}
body.s16-p172.p35-concrete .p35-standard::before {
  content: "";
  position: absolute;
  top: 0;
  inset-inline: 1.25rem;
  height: 2px;
  background: linear-gradient(90deg, var(--p172-gold), var(--p172-teal));
  opacity: .72;
}
body.s16-p172.p35-concrete .p35-boundary {
  border: 1px solid color-mix(in srgb, var(--p172-gold) 48%, var(--p172-line));
  background: color-mix(in srgb, var(--p172-gold) 7%, var(--s16-surface, #fff));
  box-shadow: 0 16px 38px rgba(24, 52, 47, .06);
}

/* Dark mode receives equivalent hierarchy rather than inverted light surfaces. */
body.dark.s16-p172.p35-concrete .p35-lane,
body.dark.s16-p172.p35-concrete .p40-stage,
body.dark.s16-p172.p35-concrete .p45-evidence-grid > article {
  background: linear-gradient(145deg, #182c28, #11231f);
  border-color: rgba(207, 223, 218, .14);
  box-shadow: 0 22px 52px rgba(0,0,0,.26);
}
body.dark.s16-p172.p35-concrete .p45-evidence-grid > article::before {
  background: rgba(89, 139, 127, .12);
  border-bottom-color: rgba(207, 223, 218, .12);
}
body.dark.s16-p172.p35-concrete .p45-state.pending {
  background: rgba(201,169,63,.14);
  color: #f0d77f;
}
body.dark.s16-p172.p35-concrete .p35-boundary {
  background: rgba(201,169,63,.08);
  border-color: rgba(201,169,63,.32);
}

@media (max-width: 1080px) {
  body.s16-p172.p35-concrete .p40-track::before { display: none; }
  body.s16-p172.p35-concrete .p45-proof-rule { grid-template-columns: 1fr; }
  body.s16-p172.p35-concrete .p45-proof-rule a { white-space: normal; width: fit-content; }
}
@media (max-width: 700px) {
  body.s16-p172.p35-concrete .p35-lane::after { width: 120px; inset-inline-end: -72px; bottom: -76px; }
  body.s16-p172.p35-concrete .p45-evidence-grid > article::before { margin-bottom: 1rem; }
}