/* Lightweight Page Loading Indicator - GPU Accelerated */

:root {
  --loader-primary: #db473b;
  --loader-duration: 1.2s;
}

/* Page Loader Overlay */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.95);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(2px);
  will-change: opacity;
  pointer-events: none;
}

/* Visible state */
.page-loader.active {
  display: flex;
  animation: fadeIn 0.3s ease-out forwards;
}

/* Hidden state */
.page-loader.hidden {
  animation: fadeOut 0.4s ease-out forwards;
  pointer-events: none;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
    display: none;
  }
}

/* Loader Container */
.loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  will-change: transform;
}

/* Spinner */
.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid #f0f0f0;
  border-top: 4px solid var(--loader-primary);
  border-radius: 50%;
  animation: spin var(--loader-duration) linear infinite;
  will-change: transform;
  transform: translateZ(0); /* Force GPU rendering */
}

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

/* Loader Text */
.loader-text {
  font-size: 1rem;
  color: var(--loader-primary);
  font-weight: 600;
  letter-spacing: 0.05em;
  animation: pulse 1.5s ease-in-out infinite;
  will-change: opacity;
}

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

/* Reduce motion support */
@media (prefers-reduced-motion: reduce) {
  .loader-spinner,
  .loader-text,
  .page-loader {
    animation: none !important;
  }

  .loader-spinner {
    border-left-color: var(--loader-primary);
  }
}

/* Mobile optimization */
@media (max-width: 480px) {
  .loader-spinner {
    width: 40px;
    height: 40px;
    border-width: 3px;
  }

  .loader-text {
    font-size: 0.9rem;
  }
}