:root {
  --opa-bg: #f7f3ec;
  --opa-panel: rgba(255, 255, 255, 0.82);
  --opa-panel-2: rgba(255, 255, 255, 0.68);
  --opa-border: rgba(29, 34, 48, 0.12);
  --opa-border-strong: rgba(29, 34, 48, 0.2);
  --opa-text: #171923;
  --opa-muted: rgba(23, 25, 35, 0.62);
  --opa-cyan: #086d83;
  --opa-green: #137a45;
  --opa-yellow: #a06900;
  --opa-red: #b6203f;
  --opa-purple: #6d4bb3;
  --opa-body-bg:
    radial-gradient(circle at 14% 8%, rgba(8, 109, 131, 0.13), transparent 24rem),
    radial-gradient(circle at 78% 16%, rgba(109, 75, 179, 0.13), transparent 22rem),
    linear-gradient(180deg, #fbf8f4 0%, #f7f3ec 52%, #f2ede5 100%);
  --opa-card-sheen: linear-gradient(180deg, rgba(255,255,255,0.72), rgba(255,255,255,0.18));
  --opa-card-shadow: 0 24px 70px rgba(46, 37, 30, 0.12);
  --opa-chip-bg: rgba(255,255,255,0.54);
  --opa-field-bg: rgba(255,255,255,0.74);
  --opa-soft-bg: rgba(255,255,255,0.46);
  --opa-code-bg: #111827;
  --opa-code-text: #edf5ff;
  --opa-graph-stroke: rgba(23, 25, 35, 0.34);
  --opa-orbit-grid: rgba(23, 25, 35, 0.045);
  --opa-orbit-glow: rgba(8, 109, 131, 0.16);
}

html.dark {
  --opa-bg: #07080d;
  --opa-panel: rgba(13, 17, 26, 0.93);
  --opa-panel-2: rgba(18, 24, 36, 0.88);
  --opa-border: rgba(157, 181, 218, 0.18);
  --opa-border-strong: rgba(157, 181, 218, 0.34);
  --opa-text: #f6f8ff;
  --opa-muted: rgba(246, 248, 255, 0.6);
  --opa-cyan: #5ee7ff;
  --opa-green: #6bff9d;
  --opa-yellow: #ffd166;
  --opa-red: #ff607d;
  --opa-purple: #b99cff;
  --opa-body-bg:
    radial-gradient(circle at 14% 8%, rgba(94, 231, 255, 0.14), transparent 24rem),
    radial-gradient(circle at 78% 16%, rgba(185, 156, 255, 0.16), transparent 22rem),
    linear-gradient(180deg, #080912 0%, #0d1019 52%, #06070c 100%);
  --opa-card-sheen: linear-gradient(180deg, rgba(255,255,255,0.035), transparent);
  --opa-card-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  --opa-chip-bg: rgba(255,255,255,0.045);
  --opa-field-bg: rgba(0,0,0,0.28);
  --opa-soft-bg: rgba(255,255,255,0.035);
  --opa-code-bg: #05070b;
  --opa-code-text: #d9e6ff;
  --opa-graph-stroke: rgba(246, 248, 255, 0.64);
  --opa-orbit-grid: rgba(255,255,255,0.04);
  --opa-orbit-glow: rgba(94, 231, 255, 0.08);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body {
  background: var(--opa-body-bg);
}

.opa-page {
  width: min(100%, 94rem);
  color: var(--opa-text);
}

.opa-hero,
.opa-section,
.opa-panel,
.dependency-ladder article,
.assist-card,
.export-card,
.cicd-grid article {
  border: 1px solid var(--opa-border);
  background: var(--opa-card-sheen), var(--opa-panel);
  border-radius: 1.15rem;
  box-shadow: var(--opa-card-shadow);
}

.opa-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 30rem);
  gap: 1rem;
  padding: clamp(1.2rem, 3vw, 2rem);
}

.opa-kicker,
.opa-section-head p {
  margin: 0;
  color: var(--opa-cyan);
  font-size: 0.74rem;
}

.opa-hero h1,
.opa-section-head h2 {
  margin: 0.62rem 0 0;
  text-transform: uppercase;
  letter-spacing: -0.075em;
  line-height: 0.9;
}

.opa-hero h1 {
  max-width: 64rem;
  font-size: clamp(2.7rem, 7vw, 6.4rem);
}

.opa-hero p:not(.opa-kicker),
.opa-positioning-card small,
.opa-panel p,
.dependency-ladder p,
.cicd-grid p,
.live-card p {
  color: var(--opa-muted);
}

.opa-workflow {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.opa-workflow span,
.opa-count,
.dependency-ladder span,
.validation-pill {
  border: 1px solid var(--opa-border);
  border-radius: 999px;
  background: var(--opa-chip-bg);
  padding: 0.42rem 0.7rem;
}

.opa-workflow b {
  color: var(--opa-green);
}

.opa-positioning-card {
  position: relative;
  min-height: 18rem;
  display: grid;
  align-content: end;
  gap: 0.45rem;
  overflow: hidden;
  padding: 1rem;
  border: 1px solid var(--opa-border-strong);
  border-radius: 1rem;
  background:
    repeating-linear-gradient(90deg, var(--opa-orbit-grid) 0 1px, transparent 1px 18px),
    linear-gradient(135deg, rgba(94, 231, 255, 0.13), rgba(185, 156, 255, 0.09));
}

.opa-orbit {
  position: absolute;
  top: 1.4rem;
  right: -4rem;
  width: 18rem;
  height: 18rem;
  border: 1px solid rgba(94, 231, 255, 0.36);
  border-radius: 999px;
  box-shadow: inset 0 0 48px var(--opa-orbit-glow), 0 0 42px var(--opa-orbit-glow);
}

.opa-orbit::before,
.opa-orbit::after {
  content: "";
  position: absolute;
  border-radius: 999px;
}

.opa-orbit::before {
  inset: 3.4rem;
  border: 1px solid rgba(107, 255, 157, 0.28);
}

.opa-orbit::after {
  top: 4rem;
  left: 2.6rem;
  width: 0.78rem;
  height: 0.78rem;
  background: var(--opa-green);
  box-shadow: 0 0 24px rgba(107, 255, 157, 0.9);
  animation: opa-pulse 1.6s infinite;
}

@keyframes opa-pulse {
  to { box-shadow: 0 0 0 28px rgba(107, 255, 157, 0); }
}

.opa-section {
  margin-top: 1rem;
  padding: 1rem;
}

.opa-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: end;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--opa-border);
}

.opa-section-head h2 {
  grid-column: 1;
  font-size: clamp(1.65rem, 3.6vw, 3.65rem);
}

.opa-count {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  color: var(--opa-muted);
  font-size: 0.72rem;
}

.dependency-ladder,
.import-grid,
.graph-layout,
.simulation-grid,
.live-grid,
.governance-grid,
.cicd-grid,
.telemetry-grid {
  margin-top: 1rem;
  display: grid;
  gap: 0.8rem;
}

.dependency-ladder {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.dependency-ladder article,
.cicd-grid article {
  padding: 1rem;
}

.dependency-ladder span {
  display: inline-flex;
  color: var(--opa-cyan);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
}

.dependency-ladder strong,
.live-card strong,
.cicd-grid strong {
  display: block;
  margin-top: 0.85rem;
  text-transform: uppercase;
}

.import-grid,
.simulation-grid {
  grid-template-columns: minmax(0, 1.25fr) minmax(20rem, 0.75fr);
}

.opa-panel {
  padding: 1rem;
  background: var(--opa-panel-2);
}

.import-source-row {
  display: grid;
  grid-template-columns: minmax(12rem, 0.7fr) minmax(0, 1fr);
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.import-source-row label,
.simulation-label {
  display: grid;
  gap: 0.35rem;
}

.import-source-row span,
.simulation-label span,
.prompt-row label {
  color: var(--opa-cyan);
  font-size: 0.72rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--opa-border);
  border-radius: 0.75rem;
  background: var(--opa-field-bg);
  color: var(--opa-text);
  padding: 0.8rem;
  font: inherit;
}

textarea {
  min-height: 21rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.55;
}

.button-row,
.prompt-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 0.8rem;
}

.opa-button {
  min-height: 2.65rem;
  border: 1px solid var(--opa-border);
  border-radius: 999px;
  background: var(--opa-chip-bg);
  color: var(--opa-text);
  padding: 0.64rem 0.95rem;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.opa-button:hover,
.assist-card:hover,
.export-card:hover {
  transform: translateY(-1px);
  border-color: var(--opa-cyan);
}

.opa-button--primary {
  border-color: rgba(94, 231, 255, 0.5);
  background: rgba(94, 231, 255, 0.15);
}

.validation-panel h3,
.node-inspector h3 {
  margin: 0;
  text-transform: uppercase;
}

.validation-list,
.opa-metrics,
.decision-tree,
.telemetry-grid,
.execution-stream {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.8rem;
}

.validation-item,
.metric-tile,
.governance-item,
.telemetry-card,
.stream-row {
  border: 1px solid var(--opa-border);
  border-radius: 0.8rem;
  background: var(--opa-soft-bg);
  padding: 0.75rem;
}

.validation-item strong,
.metric-tile strong,
.governance-item strong,
.telemetry-card strong {
  display: block;
}

.validation-item span,
.metric-tile span,
.governance-item span,
.telemetry-card span,
.stream-row span {
  display: block;
  color: var(--opa-muted);
  font-size: 0.8rem;
}

.severity-critical,
.severity-high { border-color: rgba(255, 96, 125, 0.58); }
.severity-medium { border-color: rgba(255, 209, 102, 0.55); }
.severity-low,
.severity-ok { border-color: rgba(107, 255, 157, 0.4); }

.graph-layout {
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 28rem);
}

.graph-canvas {
  min-height: 30rem;
  overflow: hidden;
}

#policy-graph {
  width: 100%;
  height: 30rem;
}

.graph-edge {
  stroke: rgba(157, 181, 218, 0.44);
  stroke-width: 1.4;
}

.graph-edge-label {
  fill: var(--opa-muted);
  font: 10px var(--font-mono);
}

.graph-node {
  cursor: pointer;
}

.graph-node circle,
.graph-node rect {
  stroke: var(--opa-graph-stroke);
  stroke-width: 1;
  filter: drop-shadow(0 0 14px rgba(94, 231, 255, 0.18));
}

.graph-node text {
  fill: var(--opa-text);
  font: 700 11px var(--font-mono);
  pointer-events: none;
}

.node-inspector pre,
.assist-output,
.export-output,
.workflow-snippet {
  min-height: 10rem;
  overflow: auto;
  border: 1px solid var(--opa-border);
  border-radius: 0.75rem;
  background: var(--opa-code-bg);
  color: var(--opa-code-text);
  padding: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.55;
  white-space: pre-wrap;
}

.assist-grid,
.export-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

.assist-card,
.export-card {
  min-height: 8rem;
  display: grid;
  align-content: start;
  gap: 0.45rem;
  color: var(--opa-text);
  cursor: pointer;
  text-align: left;
  padding: 1rem;
}

.assist-card span,
.export-card span {
  color: var(--opa-muted);
}

.assist-output,
.export-output,
.workflow-snippet {
  margin-top: 0.85rem;
}

#simulation-input {
  min-height: 15rem;
}

.decision-result {
  display: grid;
  place-items: center;
  min-height: 6rem;
  border-radius: 0.9rem;
  background: rgba(94, 231, 255, 0.08);
  border: 1px solid rgba(94, 231, 255, 0.25);
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  font-weight: 900;
  text-transform: uppercase;
}

.decision-result.is-deny {
  color: var(--opa-red);
  border-color: rgba(255, 96, 125, 0.58);
  background: rgba(255, 96, 125, 0.1);
}

.decision-result.is-allow {
  color: var(--opa-green);
  border-color: rgba(107, 255, 157, 0.42);
  background: rgba(107, 255, 157, 0.08);
}

.live-grid,
.governance-grid,
.cicd-grid,
.telemetry-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.live-card,
.governance-item,
.telemetry-card {
  min-height: 9rem;
}

.prompt-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
}

.execution-stream {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stream-row {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.stream-row.is-alert {
  border-color: rgba(255, 96, 125, 0.56);
}

@media (max-width: 78rem) {
  .opa-hero,
  .dependency-ladder,
  .import-grid,
  .graph-layout,
  .simulation-grid,
  .assist-grid,
  .export-grid,
  .live-grid,
  .governance-grid,
  .cicd-grid,
  .telemetry-grid,
  .execution-stream {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 44rem) {
  .opa-section-head,
  .import-source-row,
  .prompt-row {
    grid-template-columns: 1fr;
  }

  .opa-count {
    grid-column: auto;
    grid-row: auto;
  }
}