.demo-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.demo-page {
  padding: 88px 24px 40px;
  max-width: 1400px;
  margin: 0 auto;
}

.demo-header {
  text-align: center;
  margin-bottom: 36px;
}

.demo-header h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}

.demo-header p {
  color: var(--text-muted);
  font-size: 16px;
}

.demo-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  align-items: start;
}

.demo-canvas-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

#meshCanvas {
  display: block;
  width: 100%;
  height: 600px;
  cursor: crosshair;
}

.canvas-legend {
  display: flex;
  gap: 20px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.legend-active { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.legend-orch { background: #f59e0b; box-shadow: 0 0 8px #f59e0b; }

.legend-line {
  width: 24px;
  height: 2px;
}

.legend-wg { background: rgba(59, 130, 246, 0.5); }
.legend-bond { background: var(--success); }
.legend-down { background: var(--danger); border-top: 2px dashed var(--danger); height: 0; }

/* sidebar */
.demo-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.demo-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.demo-panel h3 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.demo-btn {
  display: block;
  width: 100%;
  padding: 10px 16px;
  margin-bottom: 8px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
}

.demo-btn:last-child { margin-bottom: 0; }

.demo-btn:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.demo-btn.btn-outline {
  background: transparent;
  color: var(--text-muted);
}

.demo-btn.btn-outline:hover {
  color: var(--text);
}

/* stats */
.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.stat-row:last-child { border-bottom: none; }

.stat-key {
  font-size: 13px;
  color: var(--text-muted);
}

.stat-val {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.stat-danger { color: var(--danger); }

/* event log */
.event-log {
  max-height: 180px;
  overflow-y: auto;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--text-muted);
}

.event-log::-webkit-scrollbar { width: 4px; }
.event-log::-webkit-scrollbar-track { background: transparent; }
.event-log::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.event-log .ev {
  padding: 2px 0;
  border-bottom: 1px solid rgba(34, 34, 51, 0.5);
}

.ev-time { color: var(--text-dim); }
.ev-info { color: var(--accent-bright); }
.ev-success { color: var(--success); }
.ev-warn { color: var(--warning); }
.ev-danger { color: var(--danger); }

/* tailscale callout */
.ts-callout {
  display: flex;
  gap: 12px;
  border-color: rgba(59, 130, 246, 0.3) !important;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), rgba(99, 102, 241, 0.03)) !important;
}

.ts-callout-icon { font-size: 24px; }

.ts-callout h4 {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--accent-bright);
}

.ts-callout p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .demo-layout {
    grid-template-columns: 1fr;
  }
  #meshCanvas {
    height: 400px;
  }
}