html, body {
  margin: 0;
  padding: 0;
  background: #14161a;
  color: #cfd3da;
  font-family: "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
}

#cockpit {
  display: flex;
  gap: 14px;
  justify-content: center;
  align-items: flex-start;
  padding: 14px;
  flex-wrap: wrap;
}

.display-unit {
  background: linear-gradient(180deg, #3a3d42, #23252a 12%, #1b1d21);
  border: 1px solid #000;
  border-radius: 10px;
  padding: 8px 14px 14px 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.08);
  flex: 1 1 640px;
  max-width: 1060px;
  min-width: 480px;
}

.bezel-top {
  text-align: center;
  font-size: 11px;
  letter-spacing: 3px;
  color: #8a8f98;
  padding: 3px 0 7px 0;
  user-select: none;
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  background: #000;
  border: 2px solid #0a0a0a;
  border-radius: 4px;
}

#help {
  text-align: center;
  font-size: 13px;
  color: #9aa0aa;
  padding: 4px 12px 16px 12px;
  user-select: none;
}
#help b { color: #cfd3da; }