:root {
  --bg-primary: #000000;
}

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

html,
body {
  width: 600px;
  height: 600px;
  overflow: hidden;
  background: var(--bg-primary);
}

body {
  background: var(--bg-primary);
}

#app {
  width: 100%;
  height: 100%;
  padding: 8px;
}

.video-shell {
  width: 584px;
  height: 584px;
  overflow: hidden;
  border-radius: 18px;
  background: #000000;
  position: relative;
}

.video-player {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  background: #000000;
}

.start-button {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  min-width: 220px;
  min-height: 56px;
  padding: 12px 18px;
  border: 1px solid rgba(140, 255, 90, 0.45);
  border-radius: 14px;
  background: rgba(7, 17, 10, 0.88);
  color: #d9ffb3;
  font-family: Consolas, "Lucida Console", monospace;
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
}

.start-button:focus {
  outline: none;
  box-shadow: 0 0 24px rgba(140, 255, 90, 0.45);
  border-color: rgba(140, 255, 90, 0.9);
}