/* Page Loading Overlay - Smooth transitions for page loads */

/* Loading overlay container with dark glassmorphism background */
.page-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.881);
  backdrop-filter: blur(10px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.98);
  backdrop-filter: blur(0px) saturate(100%);
  -webkit-backdrop-filter: blur(0px) saturate(100%);
  transition: 
    opacity 1.2s cubic-bezier(0.23, 1, 0.32, 1),
    visibility 1.2s cubic-bezier(0.23, 1, 0.32, 1),
    transform 1.2s cubic-bezier(0.23, 1, 0.32, 1),
    backdrop-filter 1.2s cubic-bezier(0.23, 1, 0.32, 1);
  will-change: opacity, transform, backdrop-filter;
}

/* Show overlay with immediate smooth appearing */
.page-loading-overlay.showing {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  backdrop-filter: blur(10px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* Hide overlay when page is loaded with smooth dissolve */
.page-loading-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(1.05);
  backdrop-filter: blur(0px) saturate(100%);
  -webkit-backdrop-filter: blur(0px) saturate(100%);
}

/* Quick appearing animation for instant feedback */
.page-loading-overlay.appearing {
  animation: overlayQuickAppear 0.8s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

@keyframes overlayQuickAppear {
  0% {
    opacity: 0;
    transform: scale(0.96);
    backdrop-filter: blur(0px) saturate(100%);
    -webkit-backdrop-filter: blur(0px) saturate(100%);
  }
  100% {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
  }
}

/* Content container */
.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Logo styling with enhanced smooth fade animation */
.loading-logo {
  width: 120px;
  height: auto;
  max-width: 120px;
  animation: logoSmoothFade 3s cubic-bezier(0.445, 0.05, 0.55, 0.95) infinite;
  filter: drop-shadow(0 0 25px rgba(255, 255, 255, 0.4));
  will-change: opacity, transform, filter;
  transition: filter 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Enhanced smooth fade in/out animation */
@keyframes logoSmoothFade {
  0% { 
    opacity: 0.3; 
    transform: scale(0.96) translateY(2px); 
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.2));
  }
  25% {
    opacity: 0.7;
    transform: scale(0.98) translateY(1px);
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.3));
  }
  50% { 
    opacity: 1; 
    transform: scale(1) translateY(0px); 
    filter: drop-shadow(0 0 25px rgba(255, 255, 255, 0.4));
  }
  75% {
    opacity: 0.7;
    transform: scale(0.98) translateY(1px);
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.3));
  }
  100% { 
    opacity: 0.3; 
    transform: scale(0.96) translateY(2px); 
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.2));
  }
}

/* Fallback text styling for when logo image fails to load */
.loading-logo-fallback {
  color: rgba(255, 255, 255, 0.9);
  font-family: 'Montserrat', sans-serif;
  font-size: 24px;
  font-weight: 300;
  letter-spacing: 3px;
  text-align: center;
  animation: logoSmoothFade 3s cubic-bezier(0.445, 0.05, 0.55, 0.95) infinite;
  will-change: opacity, transform;
}

/* Mobile responsive adjustments - Enhanced logo sizes for better visibility */
@media (max-width: 640px) {
  .loading-logo {
    width: 110px;
    max-width: 110px;
  }
}

@media (max-width: 480px) {
  .loading-logo {
    width: 90px;
    max-width: 90px;
  }
}

@media (max-width: 360px) {
  .loading-logo {
    width: 80px;
    max-width: 80px;
  }
}

/* Performance optimizations */
.page-loading-overlay,
.loading-content,
.loading-logo {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Reduced motion accessibility */
@media (prefers-reduced-motion: reduce) {
  .loading-logo {
    animation: none;
    opacity: 0.8;
  }
  
  .page-loading-overlay {
    transition-duration: 0.3s;
  }
}