/**
 * Loading Indicator Component
 * Accessible loading states with spinner and text
 */

/* Base loading container */
.loading-indicator {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  color: #1f2933;
}

html.dark .loading-indicator {
  background: rgba(31, 41, 55, 0.9);
  color: #f9fafb;
}

/* Spinner animation */
.loading-indicator__spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(27, 42, 74, 0.2);
  border-top-color: #1B2A4A;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

html.dark .loading-indicator__spinner {
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top-color: #6B5B95;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Loading text */
.loading-indicator__text {
  font-size: 14px;
  font-weight: 500;
  color: inherit;
}

/* Inline variant (smaller) */
.loading-indicator--inline {
  padding: 8px 12px;
  gap: 8px;
}

.loading-indicator--inline .loading-indicator__spinner {
  width: 18px;
  height: 18px;
  border-width: 2px;
}

.loading-indicator--inline .loading-indicator__text {
  font-size: 13px;
}

/* Full-width variant */
.loading-indicator--full {
  width: 100%;
  justify-content: center;
}

/* Screen reader only text */
.loading-indicator__sr-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .loading-indicator__spinner {
    animation: none;
    border-top-color: transparent;
    background: linear-gradient(to right, #1B2A4A 50%, rgba(27, 42, 74, 0.2) 50%);
    background-size: 200% 100%;
    animation: pulse 1.5s ease-in-out infinite;
  }

  html.dark .loading-indicator__spinner {
    background: linear-gradient(to right, #6B5B95 50%, rgba(255, 255, 255, 0.2) 50%);
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
  }
}

/* Hidden state */
.loading-indicator--hidden {
  display: none;
}