.simulator-page {
  --friendly: #3f91c9;
  --civilian: #d69223;
  --protected: #b83d26;
  --humanitarian: #4eb5a0;
  --route: #69a63c;
}

.simulator-intro {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) minmax(240px, 0.36fr);
  gap: 2rem;
  width: min(calc(100% - 3rem), var(--content));
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
}

.simulator-intro h1 {
  max-width: 800px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3.7rem, 8vw, 8rem);
  font-weight: 760;
  letter-spacing: -0.045em;
  line-height: 0.88;
}

.simulator-intro > div > p {
  max-width: 670px;
  margin: 1.5rem 0 0;
  color: var(--ink-soft);
  font-size: 1.15rem;
}

.simulator-intro aside {
  align-self: end;
  padding-top: 1rem;
  border-top: 2px solid var(--safety);
}

.simulator-intro aside span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.simulator-intro aside p {
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.simulator-workbench {
  padding: clamp(2.5rem, 5vw, 5rem) max(1.5rem, calc((100vw - var(--content)) / 2));
  color: white;
  background: var(--ink);
}

.simulator-workbench .section-label {
  color: var(--signal);
}

.workbench-heading {
  display: flex;
  gap: 2rem;
  align-items: end;
  justify-content: space-between;
}

.workbench-heading h2 {
  margin: 0.7rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 5rem);
  line-height: 0.95;
}

.sim-control,
.scenario-button {
  color: inherit;
  background: transparent;
  border: 1px solid var(--line-light);
  border-radius: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

.sim-control {
  min-height: 48px;
  padding: 0.75rem 1rem;
  font-size: 0.74rem;
}

.sim-control:hover,
.scenario-button:hover,
.scenario-button[aria-pressed="true"] {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
}

.sim-control:disabled,
.scenario-button:disabled {
  color: rgba(255, 255, 255, 0.35);
  background: transparent;
  border-color: var(--line-light);
  cursor: not-allowed;
}

.scenario-controls {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 2.5rem 0 1rem;
}

.scenario-button {
  min-height: 72px;
  padding: 0.8rem;
  font-size: 0.7rem;
  text-align: center;
}

.scenario-button + .scenario-button {
  border-left: 0;
}

.scenario-button:nth-child(6) {
  border-left: 1px solid var(--line-light);
}

.scenario-button:nth-child(n+6) {
  border-top: 0;
}

.simulator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.33fr);
  min-height: 620px;
  border: 1px solid var(--line-light);
}

.simulator-stage {
  position: relative;
  min-width: 0;
  overflow: hidden;
  background: #171a15;
}

.simulator-stage::after {
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 80px rgba(17, 19, 15, 0.14);
  content: "";
  pointer-events: none;
}

.simulator-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 620px;
  cursor: grab;
}

.simulator-stage canvas:active {
  cursor: grabbing;
}

.simulator-stage canvas:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: -3px;
}

.stage-status {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: flex;
  gap: 0.8rem;
  align-items: center;
  padding: 0.65rem 0.85rem;
  color: white;
  background: rgba(17, 19, 15, 0.82);
  border: 1px solid var(--line-light);
  pointer-events: none;
  backdrop-filter: blur(10px);
}

.status-phase {
  font-weight: 700;
}

.stage-status code,
.decision-code {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.stage-legend {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0.6rem 0.8rem;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(17, 19, 15, 0.78);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  pointer-events: none;
  backdrop-filter: blur(10px);
}

.stage-legend span {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
}

.stage-legend kbd {
  padding: 0.08rem 0.25rem;
  color: var(--ink);
  background: var(--signal);
  border: 0;
  border-radius: 2px;
  box-shadow: none;
  font: inherit;
  font-weight: 800;
}

.stage-legend i {
  display: block;
  width: 18px;
  height: 3px;
}

.legend-route { background: var(--route); }
.legend-boundary { background: var(--safety); }
.legend-bounder { background: var(--signal); }

.legend-explore {
  padding-left: 0.8rem;
  border-left: 1px solid var(--line-light);
  color: white;
}

.webgl-fallback {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(80%, 440px);
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  transform: translate(-50%, -50%);
}

.simulator-stage.is-ready .webgl-fallback {
  display: none;
}

.decision-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-left: 1px solid var(--line-light);
}

.decision-header {
  padding: 1.6rem;
  border-bottom: 1px solid var(--line-light);
}

.receipt-source {
  display: block;
  margin-top: 0.65rem;
  color: rgba(255, 255, 255, 0.52);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.decision-outcome {
  display: block;
  margin: 1.2rem 0 0.35rem;
  font-family: var(--font-display);
  font-size: 2.15rem;
  line-height: 1;
}

.decision-reason {
  min-height: 4.5rem;
  margin: 1rem 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.88rem;
}

.rule-stack {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rule-stack li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: 0.9rem 1.6rem;
  border-bottom: 1px solid var(--line-light);
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.83rem;
}

.rule-stack strong {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.rule-stack li.is-failed {
  color: white;
  background: rgba(184, 61, 38, 0.22);
}

.rule-stack li.is-failed strong {
  color: #ff9f8d;
}

.rule-stack li.is-monitoring strong {
  color: white;
}

.actuation-state {
  margin-top: auto;
  padding: 1.5rem 1.6rem;
  border-top: 1px solid var(--line-light);
}

.actuation-state span {
  display: block;
  color: rgba(255, 255, 255, 0.52);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.actuation-state strong {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.9rem;
}

.receipt-details {
  border-top: 1px solid var(--line-light);
  color: rgba(255, 255, 255, 0.7);
}

.receipt-details summary {
  padding: 1rem 1.6rem;
  color: white;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
}

.receipt-details dl {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0 1.6rem;
}

.receipt-details dl > div {
  display: grid;
  grid-template-columns: 5.4rem minmax(0, 1fr);
  gap: 0.8rem;
  padding: 0.55rem 0;
  border-top: 1px solid var(--line-light);
}

.receipt-details dt,
.receipt-details dd {
  margin: 0;
  font-size: 0.68rem;
}

.receipt-details dt {
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.receipt-details dd {
  overflow-wrap: anywhere;
}

.receipt-details p {
  margin: 0;
  padding: 1rem 1.6rem 1.4rem;
  font-size: 0.72rem;
}

.receipt-details a {
  color: var(--signal);
}

.rules-context {
  padding-top: clamp(5rem, 10vw, 10rem);
  padding-bottom: clamp(5rem, 10vw, 10rem);
}

.rules-context-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.rules-context-grid article {
  padding: 2rem;
  border-right: 1px solid var(--line);
}

.rules-context-grid article:first-child { padding-left: 0; }
.rules-context-grid article:last-child { padding-right: 0; border-right: 0; }
.rules-context-grid span { color: var(--safety); font-size: 1.8rem; }
.rules-context-grid h3 { margin: 2rem 0 0.7rem; }
.rules-context-grid p { margin: 0; color: var(--ink-soft); font-size: 0.9rem; }

.simulator-boundary-note {
  display: grid;
  grid-template-columns: minmax(180px, 0.3fr) 1fr;
  gap: 2rem;
  margin-top: 4rem;
  padding-top: 1.4rem;
  border-top: 2px solid var(--safety);
}

.simulator-boundary-note p {
  max-width: 790px;
  margin: 0;
  color: var(--ink-soft);
}

@media (max-width: 1050px) {
  .simulator-intro { grid-template-columns: 150px 1fr; }
  .simulator-intro aside { grid-column: 2; }
  .scenario-controls { grid-template-columns: repeat(2, 1fr); }
  .scenario-button:nth-child(odd) { border-left: 1px solid var(--line-light); }
  .scenario-button:nth-child(n+3) { border-top: 0; }
  .simulator-grid { grid-template-columns: 1fr; }
  .decision-panel { border-top: 1px solid var(--line-light); border-left: 0; }
  .decision-reason { min-height: 0; }
  .actuation-state { margin-top: 0; }
}

@media (max-width: 680px) {
  .simulator-intro { grid-template-columns: 1fr; }
  .simulator-intro aside { grid-column: 1; }
  .workbench-heading { align-items: flex-start; flex-direction: column; }
  .scenario-controls { grid-template-columns: 1fr 1fr; }
  .simulator-grid { min-height: 0; }
  .simulator-stage canvas { min-height: 440px; }
  .stage-legend { right: auto; left: 1rem; flex-direction: column; gap: 0.4rem; }
  .rules-context-grid { grid-template-columns: 1fr; }
  .rules-context-grid article,
  .rules-context-grid article:first-child,
  .rules-context-grid article:last-child { padding: 1.8rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .rules-context-grid article:last-child { border-bottom: 0; }
  .simulator-boundary-note { grid-template-columns: 1fr; }
}

.simulator-embed body {
  background: var(--ink);
}

.simulator-embed .site-header,
.simulator-embed .simulator-intro,
.simulator-embed .rules-context,
.simulator-embed .site-footer {
  display: none;
}

.simulator-embed .simulator-workbench {
  padding: 0;
}

.simulator-embed .workbench-heading {
  justify-content: flex-end;
  padding: 1rem 0;
}

.simulator-embed .workbench-heading > div {
  display: none;
}

.simulator-embed .scenario-controls {
  margin-top: 0;
}

@media (prefers-reduced-motion: reduce) {
  .simulator-stage canvas { cursor: default; }
}