/* ================================
   Page Loader Component
   ================================ */

/* Loader overlay - shows while page loads */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Progress Bar */
.loader-spinner {
  width: 200px;
  height: 4px;
  background-color: rgba(91, 159, 215, 0.2);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.loader-spinner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #5B9FD7 0%, #4ECDC4 100%);
  border-radius: var(--radius-full);
  animation: progress 1.5s ease-in-out infinite;
  box-shadow: 0 0 10px rgba(91, 159, 215, 0.5);
}

/* Loading text with gradient */
.loader-text {
  margin-top: var(--space-8);
  font-family: var(--font-family-heading);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #5B9FD7 0%, #4ECDC4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: pulse 2s ease-in-out infinite;
}

/* Animations */
@keyframes progress {
  0% {
    transform: translateX(-100%);
  }
  50% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(100%);
  }
}

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

/* Mobile optimization */
@media (max-width: 768px) {
  .loader-spinner {
    width: 150px;
    height: 3px;
  }

  .loader-text {
    font-size: var(--font-size-base);
    margin-top: var(--space-6);
  }
}

/* Performance optimizations */
.loader-spinner,
.loader-text {
  will-change: transform, opacity;
  transform: translateZ(0);
  backface-visibility: hidden;
}