:root {
  --bg-obsidian: #090e16;
  --bg-surface: rgba(14, 22, 34, 0.78);
  --bg-surface-solid: #0f1826;
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-highlight: rgba(249, 115, 22, 0.42);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-coral: #f97316;
  --accent-amber: #fb923c;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  min-height: 100dvh;
  background-color: var(--bg-obsidian);
  color: var(--text-primary);
  font-family: var(--font-display);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.lab-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 20px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.lab-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 20px;
  border-radius: 20px;
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 18px 36px -14px rgba(4, 9, 18, 0.65);
}

.brand-cluster {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-emblem {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(249, 115, 22, 0.14);
  border: 1px solid var(--border-highlight);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-coral);
  flex-shrink: 0;
}

.brand-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-subtitle {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.header-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.edge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.32);
  color: #67e8f9;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

.stage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.85fr) minmax(320px, 1fr);
  gap: 20px;
  align-items: stretch;
}

.viewport-card {
  position: relative;
  min-height: 560px;
  border-radius: 24px;
  overflow: hidden;
  background: #0d1522;
  border: 1px solid var(--border-glass);
  box-shadow: 0 24px 48px -18px rgba(4, 8, 16, 0.8);
  display: flex;
  flex-direction: column;
}

.viewport-canvas-wrap {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 500px;
}

#webgl-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}

#webgl-canvas:active {
  cursor: grabbing;
}

.viewport-top-bar {
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  pointer-events: none;
  z-index: 10;
}

.viewport-top-bar > * {
  pointer-events: auto;
}

.viewport-bottom-bar {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  pointer-events: none;
  z-index: 10;
}

.viewport-bottom-bar > * {
  pointer-events: auto;
}

.hud-badge-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 16px;
  background: rgba(9, 14, 22, 0.78);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.hud-kv {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
}

.hud-kv strong {
  color: var(--text-primary);
  font-weight: 600;
}

.cockpit-column {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.glass-panel {
  padding: 18px;
  border-radius: 22px;
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.panel-title {
  font-size: 0.86rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.telemetry-kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.kpi-tile {
  padding: 12px;
  border-radius: 14px;
  background: rgba(9, 14, 22, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.kpi-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  display: block;
}

.kpi-num {
  font-family: var(--font-mono);
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--text-primary);
}

.kpi-unit {
  font-size: 0.72rem;
  color: var(--accent-coral);
  font-family: var(--font-mono);
}

.slider-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.slider-label-row span:last-child {
  font-family: var(--font-mono);
  color: var(--accent-amber);
}

input[type='range'] {
  width: 100%;
  accent-color: var(--accent-coral);
  cursor: pointer;
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.btn-action {
  min-height: 44px;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  background: rgba(15, 23, 42, 0.82);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 150ms cubic-bezier(0.22, 1, 0.36, 1), border-color 150ms ease, background 150ms ease;
}

.btn-action:hover {
  border-color: var(--border-highlight);
  background: rgba(30, 41, 59, 0.9);
}

.btn-action:active {
  transform: scale(0.98);
}

.btn-action.is-active,
.btn-action.btn-primary {
  background: rgba(249, 115, 22, 0.2);
  border-color: var(--accent-coral);
  color: #ffedd5;
}

#telemetry-scope {
  width: 100%;
  height: 92px;
  border-radius: 12px;
  background: rgba(6, 10, 17, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.scope-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

@media (max-width: 1024px) {
  .stage-grid {
    grid-template-columns: 1fr;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .lab-shell {
    padding: 12px 12px 36px;
  }
  .viewport-card {
    min-height: 430px;
  }
  .viewport-canvas-wrap {
    min-height: 390px;
  }
  .telemetry-kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}