html, body { margin: 0; height: 100%; background: #f7faf6; }
@media (prefers-color-scheme: dark) { html, body { background: #111411; } }

#loading {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}
#loading img { border-radius: 22px; }
#loading .bar {
  width: 120px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, #2E7D32, transparent) 0 0 / 50% 100% no-repeat, #2E7D3233;
  animation: slide 1s linear infinite;
}
@keyframes slide { from { background-position: -60px 0, 0 0; } to { background-position: 180px 0, 0 0; } }