#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  font-family: var(--terminal-font);
  transition: opacity 0.3s ease;
  overflow: hidden;
}

#loading-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

.loading-tile {
  box-sizing: border-box;
  perspective: 1000px;
  transform-style: preserve-3d;
}

/* Fade in animation for shell container */
#shell-container.fade-in {
  animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Optional: Add a subtle loading text that appears after tiles start flipping */
#loading-screen::after {
  content: 'Loading...';
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--terminal-font);
  font-size: 14px;
  color: var(--text-secondary);
  opacity: 0;
  animation: fadeInText 0.5s ease-in forwards 1s;
  letter-spacing: 2px;
}

@keyframes fadeInText {
  to {
    opacity: 0.6;
  }
}