/* =============================================================================
   PAGE LOADER - Prevents Flash of Unstyled Content (FOUC)
   Shows loading screen while CSS/JS/Fonts load
   ============================================================================= */

/* Page Loader Overlay */
#page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  #page-loader {
    background-color: #1a1a1a;
  }
}

/* Loader content */
.loader-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

/* Loader logo */
.loader-logo {
  max-width: 180px;
  height: auto;
  animation: pulse 2s ease-in-out infinite;
}

/* Spinner */
.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-left-color: #ff6b35;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@media (prefers-color-scheme: dark) {
  .loader-spinner {
    border-color: rgba(255, 255, 255, 0.1);
    border-left-color: #ff6b35;
  }
}

/* Loader text */
.loader-text {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 0.875rem;
  color: #666;
  font-weight: 500;
}

@media (prefers-color-scheme: dark) {
  .loader-text {
    color: #999;
  }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Hide loader when loaded */
#page-loader.loaded {
  opacity: 0;
  visibility: hidden;
}

/* Prevent body scroll while loading */
body.loading {
  overflow: hidden;
}

/* Show content only when loaded */
body.loading main,
body.loading header,
body.loading footer {
  visibility: hidden;
}

body.loaded main,
body.loaded header,
body.loaded footer {
  visibility: visible;
}