* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background-color: #0b0f19;
  color: #e2e8f0;
  padding: 24px;
}

.lab-container {
  max-width: 1200px;
  margin: 0 auto;
}

.lab-header {
  margin-bottom: 24px;
  border-bottom: 1px solid #1e293b;
  padding-bottom: 16px;
}

.lab-header h1 {
  font-size: 1.8rem;
  color: #38bdf8;
  margin-bottom: 6px;
}

.lab-header p {
  color: #94a3b8;
  font-size: 0.95rem;
}

.lab-workspace {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
}

@media (max-width: 860px) {
  .lab-workspace {
    grid-template-columns: 1fr;
  }
}

.viewport-card, .telemetry-card {
  background-color: #131b2e;
  border: 1px solid #1e293b;
  border-radius: 8px;
  padding: 16px;
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #000;
  border-radius: 6px;
  overflow: hidden;
}

.video-wrapper video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.stream-controls {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  color: #94a3b8;
  font-weight: 500;
}

.stream-controls select {
  background: #0f172a;
  border: 1px solid #334155;
  color: #f8fafc;
  padding: 10px;
  border-radius: 6px;
  font-size: 0.9rem;
}

.control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 4px;
}

.toggle-label {
  font-size: 0.85rem;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.btn {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s;
}

.btn:hover {
  background: #1d4ed8;
}

.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0 20px 0;
}

.metric-box {
  background: #0f172a;
  padding: 12px;
  border-radius: 6px;
  border: 1px solid #1e293b;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow: hidden;
}

.metric-box.full-width {
  grid-column: span 2;
}

.metric-box .label {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: #64748b;
  letter-spacing: 0.05em;
}

.metric-box .value {
  font-size: 1rem;
  font-weight: 600;
  color: #38bdf8;
  font-family: monospace;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.metric-box .value.accent {
  color: #34d399;
}

.console-box {
  background: #050811;
  border: 1px solid #1e293b;
  border-radius: 6px;
  height: 240px;
  overflow-y: auto;
  padding: 12px;
  font-family: monospace;
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-entry.info { color: #94a3b8; }
.log-entry.user { color: #a7f3d0; }
.log-entry.net { color: #67e8f9; }
.log-entry.warning { color: #f59e0b; }
.log-entry.success { color: #10b981; }
.log-entry.error { color: #ef4444; }