/**
 * Appnalyzer Page Loader Styles
 * Progressive loading indicators with purple/blue gradient theme
 */

/* Progress Bar - Top of page */
.page-loader-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  z-index: 999999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.page-loader-progress.page-loader-active {
  opacity: 1;
}

.page-loader-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #9578fb 0%, #3b82f6 50%, #60a5fa 100%);
  box-shadow: 0 0 10px rgba(149, 120, 251, 0.5);
  transition: width 0.3s ease;
}

/* Spinner Overlay - Appears after 2s */
.page-loader-spinner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.page-loader-spinner.page-loader-active {
  opacity: 1;
  pointer-events: all;
}

.page-loader-spinner-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.page-loader-spinner-circle {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(149, 120, 251, 0.2) 0%, rgba(59, 130, 246, 0.2) 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  animation: page-loader-pulse 2s ease-in-out infinite;
}

.page-loader-spinner-inner {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #9578fb;
  border-right-color: #3b82f6;
  border-bottom-color: #60a5fa;
  animation: page-loader-spin 1s linear infinite;
}

.page-loader-spinner-text {
  color: #e2e8f0;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Slow Connection Message - Appears after 5s */
.page-loader-slow-message {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(30, 41, 59, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(149, 120, 251, 0.3);
  border-radius: 16px;
  padding: 10px 10px;
  max-width: 400px;
  width: calc(100% - 48px);
  z-index: 9999997;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  box-shadow: 
    0 10px 40px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(149, 120, 251, 0.1);
}

.page-loader-slow-message.page-loader-active {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}

.page-loader-slow-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.page-loader-slow-content > i {
  font-size: 2rem;
  color: #ff6d00;
  animation: page-loader-pulse 2s ease-in-out infinite;
}

.page-loader-slow-title {
  color: #e2e8f0;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.page-loader-slow-subtitle {
  color: #94a3b8;
  font-family: 'Poppins', sans-serif;
  font-size: 0.875rem;
  margin: 0;
}

.page-loader-slow-tips {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
  width: 100%;
}

.page-loader-slow-tip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: rgba(149, 120, 251, 0.1);
  border-radius: 8px;
  text-align: left;
}

.page-loader-slow-tip i {
  color: #9578fb;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.page-loader-slow-tip span {
  color: #cbd5e1;
  font-family: 'Poppins', sans-serif;
  font-size: 0.813rem;
  line-height: 1.4;
}

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

@keyframes page-loader-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.9;
  }
}

/* Responsive Design */
@media (max-width: 480px) {
  .page-loader-slow-message {
    bottom: 16px;
    padding: 16px 20px;
    width: calc(100% - 32px);
  }
  
  .page-loader-slow-content > i {
    font-size: 1.5rem;
  }
  
  .page-loader-slow-title {
    font-size: 0.938rem;
  }
  
  .page-loader-slow-subtitle {
    font-size: 0.813rem;
  }
  
  .page-loader-slow-tip {
    padding: 6px 10px;
  }
  
  .page-loader-slow-tip span {
    font-size: 0.75rem;
  }
  
  .page-loader-spinner-circle {
    width: 50px;
    height: 50px;
  }
  
  .page-loader-spinner-inner {
    width: 40px;
    height: 40px;
  }
  
  .page-loader-spinner-text {
    font-size: 0.938rem;
  }
}

/* Ensure loader is always on top */
.page-loader-progress,
.page-loader-spinner,
.page-loader-slow-message {
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}