:root {
  color-scheme: dark;
  background: #111;
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body,
#game,
#unity-canvas {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: #111;
}

#game {
  position: relative;
}

#unity-canvas {
  display: block;
  background: #111;
  outline: none;
}

#loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 14px;
  padding: 24px;
  background: #111;
  color: #f6f6f6;
}

#loading[hidden] {
  display: none;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid #555;
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.progress {
  width: min(280px, 70vw);
  height: 6px;
  overflow: hidden;
  background: #3b3b3b;
}

#progress-bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: #f4cf3a;
  transition: transform 120ms linear;
}

#loading-label {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0;
}

#loading.error .spinner,
#loading.error .progress {
  display: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}