/* Page Loading Indicator */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.page-loader.active {
  opacity: 1;
  visibility: visible;
}

.loader-content {
  text-align: center;
}

.loader-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  animation: spin 1.5s linear infinite;
}

.loader-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.loader-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: 600;
  letter-spacing: 0.05em;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Fade-in animation for page content */
.page-content-fade {
  animation: fadeIn 0.4s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Image optimization - prevent layout shift */
img {
  max-width: 100%;
  height: auto;
}

img[loading="lazy"] {
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Optimize font loading */
body {
  font-display: swap;
}