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

body {
  background-color: #1a1a2e;
  color: #e0e0e0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  padding: 40px 20px;
}

header {
  text-align: center;
  margin-bottom: 40px;
}

header h1 {
  font-size: 3rem;
  letter-spacing: 0.05em;
  color: #8fd032;
}

header .description {
  margin-top: 10px;
  font-size: 1.1rem;
  color: #a0a0b0;
  max-width: 600px;
}

#unity-container {
  width: 960px;
  max-width: 100%;
  aspect-ratio: 16 / 10;
  background-color: #0f0f1a;
  border: 2px solid #7864c6;
  border-radius: 4px;
  overflow: hidden;
}

#unity-canvas {
  width: 100%;
  height: 100%;
  display: block;
}