body {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #1e262c;
  /* Background image will be set via JavaScript after loading */
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  overflow: hidden; /* Prevent scrollbars in fullscreen */
  position: relative;
}

#canvas-container {
  display: block;
  position: relative;
  transition: all 0.3s ease;
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
  box-sizing: border-box;
  border: 1px solid #32a63d;
}

canvas {
  border: none;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  image-rendering: pixelated;
  width: 100%;
  height: 100%;
}

/* Fullscreen styles */
:fullscreen {
  background-color: #1e262c;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Improved modal styles for responsiveness */
.modal-overlay {
  position: absolute;
  transition: all 0.3s ease;
}

.modal-window {
  transition: all 0.3s ease;
}