:root {
  --bg: #0e0f12;
  --panel: #16181d;
  --text: #e8e8ea;
  --muted: #8a8f99;
  --accent: #5cc8ff;
  --good: #57d68d;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr 220px;
  gap: 0.75rem;
  padding: 0.75rem;
  height: 100%;
}

#stage {
  position: relative;
  background: #0e0f12;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

#video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: scaleX(-1);
}

#overlay {
  position: absolute;
  pointer-events: none;
}

#controls {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(20, 22, 27, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 0.4rem 0.55rem;
  font-size: 0.85rem;
  color: var(--text);
}

#controls label {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
  user-select: none;
}

#controls input[type="checkbox"] {
  accent-color: var(--accent);
}

#controls input[type="number"] {
  width: 52px;
  background: rgba(0, 0, 0, 0.4);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  padding: 0.2rem 0.35rem;
  font: inherit;
  font-variant-numeric: tabular-nums;
}

#controls button {
  background: var(--accent);
  color: #001722;
  border: none;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}

#controls button:disabled {
  opacity: 0.5;
  cursor: default;
}

#analytics {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 320px minmax(120px, 1fr);
  gap: 0.75rem;
  min-height: 0;
}

.analytics-col {
  background: var(--panel);
  border-radius: 12px;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
}

.analytics-col canvas {
  width: 100%;
  height: 100%;
  display: block;
}