body {
  margin: 0;
  min-height: 100vh;
  background: #000;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#webcam {
  display: block;
}

#webcam.mirrored {
  transform: scaleX(-1);
  -webkit-transform: scaleX(-1);
}

/* --- Sidebar panel --- */
.metrics-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  overflow: auto;
}

.metrics-controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.control {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  opacity: .9;
}

.control.toggle input {
  margin-right: 6px;
  accent-color: #00ffc8;
}

/* --- Radio focus control --- */
.control-group {
  border: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  opacity: .9;
}

.control-group legend {
  margin-bottom: 4px;
  font-weight: 500;
}

.radio-options {
  display: flex;
  gap: 3px;
}

.radio-options label {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.radio-options input[type="radio"] {
  accent-color: #00ffc8;
}

/* --- Metric cards --- */
.panel-body {
  display: grid;
  gap: 6px;
}

.metric-card {
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 12px;
  padding: 3px;
}

.metric-card h2 {
  margin: 0 0 8px 0;
  font-size: .9rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  opacity: .8;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  margin: 3px 0;
  font-size: .95rem;
}

.metric-row .label {
  opacity: .85;
}

.metric-row .value {
  font-weight: 600;
}

/* Left-right layout: give left a sensible minimum */
.app {
  display: grid;
  grid-template-columns: minmax(720px, 1fr) 360px; /* <- bigger left column */
  gap: 16px;
  width: 100vw;
  height: 100vh;
  padding: 16px;
  box-sizing: border-box;
  background: #000;
}

/* Ensure the left column is a real container and fills available space */
.videoView {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;     /* center the scaled video */
  justify-content: center; /* center the scaled video */
}

/* The inner shell must fill so absolute canvas can overlay */
.video-shell {
  position: relative;
  display: inline-block;
  width: 100%;
  height: 100%;
}

/* Constrain media to the container (not viewport) */
#webcam,
#output_canvas {
  max-width: 100%;
  max-height: 100%;
  border-radius: 24px;
  overflow: hidden;
}

/* Canvas should overlay the video perfectly */
#output_canvas,
#output_canvas_3d {
  position: absolute;
  left: 0;
  top: 0;
}

/* 3D canvas specific styles - no interaction, just overlay */
#output_canvas_3d {
  pointer-events: none; /* Allow clicks to pass through to video */
}

input[type="range"] {
  width: 100%;
  accent-color: #00ffc8;
  cursor: pointer;
}
/* Narrow screens: stack video above the panel and let the page scroll */
@media (max-width: 1000px) {
  body {
    display: block;
    overflow: auto;
  }

  .app {
    grid-template-columns: 1fr;
    height: auto;
  }

  .videoView {
    height: 60vh;
  }
}

/* Startup error message, centered over the video area */
.status {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  max-width: 80%;
  margin: 0;
  padding: 16px 20px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  text-align: center;
}

/* Article link and last-modified stamp */
.page-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  font-size: .75rem;
  color: rgba(255, 255, 255, 0.6);
}