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

html, body {
  height: 100%;
  overflow: hidden;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background: #000;
  color: #fff;
}

#app {
  width: 100vw;
  height: 100vh;
  position: relative;
}

.logo {
  position: absolute;
  top: 2rem;
  left: 2rem;
  z-index: 100;
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  letter-spacing: 0.5px;
  user-select: none;
}

#three-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

@media (max-width: 768px) {
  .logo {
    top: 1rem;
    left: 1rem;
    font-size: 1.25rem;
  }
}
