:root {
  color-scheme: dark;
}

body.qcr-docs {
  background: #010103;
  color: var(--fors33-text);
  font-family: var(--fors33-font-sans);
  margin: 0;
  min-height: 100vh;
  display: flex;
}

.sidebar {
  width: 280px;
  border-right: 1px solid var(--fors33-border);
  background: rgba(0, 0, 0, 0.85);
  padding: 2rem 1.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sidebar h2 {
  margin: 0;
  font-family: var(--fors33-font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fors33-text-muted);
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-family: var(--fors33-font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.nav-list li {
  color: var(--fors33-text-muted);
}

.nav-list li span {
  color: var(--fors33-accent);
  margin-right: 0.35rem;
}

.node-map figure figcaption {
  text-align: center;
  font-size: 0.75rem;
  color: var(--fors33-text-secondary);
  margin-top: 0.5rem;
}

main {
  flex: 1;
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero p {
  margin: 0.5rem 0 0;
  color: var(--fors33-text-muted);
}

.definition-block {
  border: 1px solid var(--fors33-border);
  padding: 1.5rem;
  background: rgba(4, 4, 8, 0.95);
}

.definition-block h2 {
  margin: 0 0 0.75rem;
  font-family: var(--fors33-font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fors33-text-muted);
}

.definition-block p {
  margin: 0 0 1rem;
  line-height: 1.6;
}

.spec-block {
  border: 1px solid var(--fors33-border);
  background: #05050b;
  padding: 1.25rem;
  font-family: var(--fors33-font-mono);
  letter-spacing: 0.08em;
  font-size: 0.9rem;
}

.schema-block {
  border: 1px solid var(--fors33-border);
  padding: 1.5rem;
  background: rgba(3, 3, 7, 0.95);
}

.node-map {
  border: 1px solid var(--fors33-border);
  padding: 1.5rem;
  background: rgba(5, 5, 10, 0.95);
}

.node-map ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  font-family: var(--fors33-font-mono);
  display: grid;
  gap: 0.5rem;
}

footer.status-bar {
  font-family: var(--fors33-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-top: 1px solid var(--fors33-border);
  padding: 0.6rem 1.25rem;
  background: rgba(1, 1, 4, 0.95);
  display: flex;
  justify-content: space-between;
}

@media (max-width: 980px) {
  body.qcr-docs {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--fors33-border);
  }
  main {
    padding: 2rem;
  }
}

/* Quantum Telemetry Activity Bar */
.activity-bar {
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 4px;
  padding: 12px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.activity-label {
  font-family: var(--fors33-font-mono);
  font-size: 0.75rem;
  color: #00d4ff;
  letter-spacing: 0.1em;
}

.activity-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
}

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00d4ff;
  transition: all 0.3s ease;
}

.activity-text {
  font-family: var(--fors33-font-mono);
  font-size: 0.7rem;
  color: var(--fors33-text);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Live Node Status */
.node-status {
  margin-bottom: 32px;
}

.node-status h3 {
  font-family: var(--fors33-font-mono);
  font-size: 0.9rem;
  color: var(--fors33-text);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.node-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.node-card {
  background: rgba(20, 20, 30, 0.6);
  border: 1px solid var(--fors33-border);
  border-radius: 4px;
  padding: 12px;
  transition: all 0.2s ease;
}

.node-card.status-online {
  border-color: rgba(0, 212, 255, 0.3);
}

.node-card.status-maintenance {
  border-color: rgba(255, 217, 61, 0.3);
}

.node-name {
  font-family: var(--fors33-font-mono);
  font-size: 0.8rem;
  color: #00d4ff;
  margin-bottom: 8px;
}

.node-metrics {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--fors33-text-secondary);
  margin-bottom: 8px;
}

.node-status-indicator {
  font-size: 0.65rem;
  font-weight: bold;
  padding: 2px 6px;
  border-radius: 2px;
}

.node-status-indicator.online {
  background: rgba(0, 212, 255, 0.2);
  color: #00d4ff;
}

.node-status-indicator.maintenance {
  background: rgba(255, 217, 61, 0.2);
  color: #ffd93d;
}