body, html {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, #1a1a2e 0%, #000000 100%);
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

#loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, #1a1a2e 0%, #000000 100%);
  z-index: 1000;
}

#loading-logo {
  width: 120px;
  height: 120px;
  margin-bottom: 32px;
  animation: pulse 2s ease-in-out infinite;
  filter: drop-shadow(0 0 20px rgba(138, 43, 226, 0.6));
}

#loading-text {
  color: #818cf8;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  animation: fadeInOut 2s ease-in-out infinite;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(138, 43, 226, 0.1);
  border-top-color: #818cf8;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 20px rgba(138, 43, 226, 0.6));
  }
  50% {
    transform: scale(1.05);
    filter: drop-shadow(0 0 30px rgba(138, 43, 226, 0.9));
  }
}

@keyframes fadeInOut {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}