:root {
  --bg-primary: #0a0a12;
  --bg-secondary: #121220;
  --bg-card: rgba(22, 22, 38, 0.75);
  --border-color: rgba(121, 40, 202, 0.25);
  --border-glow: rgba(121, 40, 202, 0.5);
  --accent-purple: #7928ca;
  --accent-neon: #a855f7;
  --accent-cyan: #00c7b7;
  --accent-pink: #ec4899;
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
  --danger: #ef4444;
  --success: #10b981;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(121, 40, 202, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(0, 199, 183, 0.08) 0%, transparent 40%);
}

.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
  width: 100%;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pulse-dot {
  width: 12px;
  height: 12px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

h1 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.highlight {
  color: var(--accent-neon);
  text-shadow: 0 0 16px rgba(168, 85, 247, 0.4);
}

.badge {
  background: rgba(121, 40, 202, 0.2);
  border: 1px solid var(--accent-purple);
  color: var(--accent-neon);
  font-family: 'Fira Code', monospace;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}

.tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-primary);
  text-decoration: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.github-link:hover {
  border-color: var(--accent-purple);
  box-shadow: 0 0 10px rgba(121, 40, 202, 0.3);
}

/* Layout */
.main-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1.5rem;
  flex: 1;
}

@media (max-width: 950px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
}

/* Cards */
.viewport-card, .telemetry-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--danger);
}

.status-dot.active {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.metrics-row {
  display: flex;
  gap: 1rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.metrics-row b {
  color: var(--accent-cyan);
}

/* Canvas Viewport */
.canvas-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #000;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

#webcam {
  display: none;
}

#outputCanvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1); /* Mirror camera */
}

/* HUD Overlay */
.hud-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1rem;
}

.hud-box {
  background: rgba(10, 10, 18, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-family: 'Fira Code', monospace;
}

.hud-box.top-left {
  align-self: flex-start;
}

.hud-box.top-right {
  align-self: flex-end;
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.hud-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  display: block;
}

.hud-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-neon);
}

.hud-box.bottom-center {
  align-self: center;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  background: rgba(15, 23, 42, 0.85);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 14px rgba(0, 199, 183, 0.3);
  transition: all 0.2s ease;
}

/* Controls */
.controls-toolbar {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-neon));
  color: #fff;
  box-shadow: 0 4px 15px rgba(121, 40, 202, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(121, 40, 202, 0.6);
}

.btn-secondary {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-neon);
}

.btn-text {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.75rem;
}

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

/* Telemetry Grid */
.telemetry-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 1rem 0;
}

.action-tile {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.2s ease;
}

.action-tile.active {
  background: rgba(121, 40, 202, 0.2);
  border-color: var(--accent-neon);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
  transform: scale(1.03);
}

.action-icon {
  font-size: 1.8rem;
  margin-bottom: 0.25rem;
}

.action-name {
  font-size: 0.85rem;
  font-weight: 600;
}

.action-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Slider Track */
.slider-box {
  margin-top: 0.5rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.slider-header b {
  color: var(--accent-cyan);
  font-family: 'Fira Code', monospace;
}

.gauge-track {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.gauge-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
  border-radius: 4px;
  transition: width 0.08s ease;
}

/* Logs */
.log-card {
  flex: 1;
}

.log-stream {
  flex: 1;
  max-height: 200px;
  overflow-y: auto;
  font-family: 'Fira Code', monospace;
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-right: 0.5rem;
}

.log-item {
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid var(--accent-purple);
}

.log-item.info {
  border-left-color: var(--accent-cyan);
}

.log-item.action {
  border-left-color: var(--accent-pink);
  color: #fff;
}

/* Footer */
.app-footer {
  text-align: center;
  padding-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}