html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #111;
  font-family: Arial, sans-serif;
}

.controls {
  padding: 8px;
  background: #222;
  display: flex;
  gap: 8px;
}

.video-grid {
  display: grid;
  width: 100vw;
  height: calc(100vh - 50px);
  gap: 8px;
  padding: 8px;
  box-sizing: border-box;
}

.video-grid video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: black;
  border-radius: 8px;
}