.evidence-key {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
}

.top-gap {
  margin-top: 12px;
}

.bottom-gap {
  margin-bottom: 12px;
}

.evidence-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 9px;
  background: var(--surface);
  font-size: 12px;
  font-weight: 800;
}

.evidence-tag.silicon {
  border-color: var(--teal);
  color: var(--teal);
}

.evidence-tag.patent {
  border-color: var(--blue);
  color: var(--blue);
}

.evidence-tag.simulation {
  border-color: var(--amber);
  color: var(--amber);
}

.evidence-tag.claim {
  border-color: var(--red);
  color: var(--red);
}

.evidence-tag.design {
  color: var(--ink);
}

.verdict-banner {
  display: grid;
  grid-template-columns: minmax(210px, 0.6fr) minmax(0, 1.4fr);
  gap: 16px;
  align-items: center;
  border-left: 5px solid var(--teal);
  padding: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.verdict-banner strong,
.verdict-banner span {
  display: block;
}

.verdict-banner strong {
  font-size: 24px;
  line-height: 1.2;
}

.verdict-banner span {
  margin-top: 6px;
  color: var(--muted);
}

.signal-path {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 9px;
}

.signal-stage {
  position: relative;
  min-width: 0;
  min-height: 148px;
  display: grid;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px;
  background: var(--surface);
}

.signal-stage:not(:last-child)::after {
  content: ">";
  position: absolute;
  z-index: 2;
  top: 52px;
  right: -9px;
  width: 17px;
  height: 24px;
  display: grid;
  place-items: center;
  background: var(--page);
  color: var(--muted);
  font-weight: 800;
}

.signal-stage b,
.signal-stage strong,
.signal-stage span,
.signal-stage code {
  display: block;
  overflow-wrap: anywhere;
}

.signal-stage b {
  color: var(--teal);
  font-size: 12px;
  text-transform: uppercase;
}

.signal-stage strong {
  margin: 5px 0;
}

.signal-stage span {
  color: var(--muted);
  font-size: 13px;
}

.signal-stage code {
  margin-top: 8px;
  color: var(--blue);
  font-size: 12px;
}

.equation-panel {
  display: grid;
  grid-template-columns: minmax(230px, 0.7fr) minmax(0, 1.3fr);
  gap: 14px;
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: var(--surface-2);
}

.equation-panel code {
  display: block;
  align-self: center;
  color: var(--blue);
  font-size: 18px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.equation-panel p {
  margin: 0;
}

.fault-stack {
  display: grid;
  gap: 8px;
}

.fault-level {
  display: grid;
  grid-template-columns: 64px minmax(170px, 0.6fr) minmax(0, 1.4fr) minmax(170px, 0.8fr);
  gap: 12px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: var(--surface);
}

.fault-level > b {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--soft-teal);
  color: var(--teal);
}

.fault-level strong,
.fault-level span,
.fault-level code {
  display: block;
}

.fault-level span,
.fault-level code {
  color: var(--muted);
  font-size: 13px;
}

.fault-level code {
  color: var(--blue);
  overflow-wrap: anywhere;
}

.plane-diagram {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
}

.plane {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 15px;
  background: var(--surface);
}

.plane.control {
  border-top: 4px solid var(--blue);
}

.plane.data {
  border-top: 4px solid var(--teal);
}

.plane h3 {
  margin-top: 0;
}

.plane-row {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: 10px;
  border-top: 1px solid var(--line);
  padding: 9px 0;
}

.plane-row:first-of-type {
  border-top: 0;
}

.plane-row strong,
.plane-row span {
  display: block;
}

.plane-row span {
  color: var(--muted);
  font-size: 13px;
}

.schema-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.schema-block {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}

.schema-block h3 {
  margin: 0;
  border-bottom: 1px solid var(--line);
  padding: 11px 14px;
  background: var(--surface-2);
  font-size: 15px;
}

.schema-block pre,
.algorithm-block pre {
  margin: 0;
  padding: 15px;
  overflow: auto;
  color: var(--ink);
  font: 13px/1.55 Consolas, "Courier New", monospace;
  tab-size: 2;
}

.algorithm-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}

.algorithm-block header {
  border-bottom: 1px solid var(--line);
  padding: 11px 14px;
  background: var(--surface-2);
}

.algorithm-block header strong,
.algorithm-block header span {
  display: block;
}

.algorithm-block header span {
  color: var(--muted);
  font-size: 13px;
}

.mesh-hierarchy {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.mesh-level {
  min-width: 0;
  border-top: 4px solid var(--teal);
  padding: 12px;
  background: var(--surface);
}

.mesh-level:nth-child(2n) {
  border-top-color: var(--blue);
}

.mesh-level b,
.mesh-level strong,
.mesh-level span {
  display: block;
  overflow-wrap: anywhere;
}

.mesh-level b {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.mesh-level strong {
  margin: 4px 0;
}

.mesh-level span {
  color: var(--muted);
  font-size: 13px;
}

.llm-path {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 9px;
}

.llm-stage {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: var(--surface);
}

.llm-stage.analog {
  border-top: 4px solid var(--teal);
}

.llm-stage.digital {
  border-top: 4px solid var(--blue);
}

.llm-stage.mixed {
  border-top: 4px solid var(--amber);
}

.llm-stage b,
.llm-stage strong,
.llm-stage span {
  display: block;
}

.llm-stage b {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.llm-stage span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.decision-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.decision-list li {
  border-left: 3px solid var(--line);
  padding: 8px 0 8px 12px;
}

.decision-list strong,
.decision-list span {
  display: block;
}

.decision-list span {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 1040px) {
  .signal-path,
  .mesh-hierarchy {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .signal-stage:nth-child(3)::after {
    content: none;
  }

  .llm-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .verdict-banner,
  .equation-panel,
  .plane-diagram,
  .schema-grid {
    grid-template-columns: 1fr;
  }

  .fault-level {
    grid-template-columns: 50px minmax(0, 1fr);
  }

  .fault-level > :nth-child(3),
  .fault-level > :nth-child(4) {
    grid-column: 2;
  }
}

@media (max-width: 620px) {
  .signal-path,
  .mesh-hierarchy,
  .llm-path {
    grid-template-columns: 1fr;
  }

  .signal-stage::after {
    content: none !important;
  }

  .plane-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}