/**
 * Skeleton Loading Styles
 * Theme-aware skeleton loaders using CSS variables
 * Compatible with CDN libraries when wrapped in theme-aware containers
 * 
 * @package NaturRo
 */

/* ==================================================================
   SKELETON BASE
   ================================================================== */

.skeleton-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  min-height: 400px;
  align-items: center;
  justify-content: flex-start;
  padding: var(--spacing-md, 2rem) 0;
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--skeleton-base, var(--color-light-gray, #f0f0f0)) 0%,
    var(--skeleton-highlight, rgba(0, 64, 14, 0.1)) 50%,
    var(--skeleton-base, var(--color-light-gray, #f0f0f0)) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm, 8px);
}

/* ==================================================================
   SKELETON TYPES
   ================================================================== */

/* Icon skeleton (circular) - matches status-icon 48px */
.skeleton-icon {
  width: 48px;
  min-width: 48px;
  height: 48px;
  min-height: 48px;
  border-radius: 50%;
  margin: 0 auto var(--spacing-md, 2rem);
}

/* Text line skeleton - matches status-text 1.5rem font-size */
.skeleton-text {
  height: 1.5rem;
  min-height: 1.5rem;
  width: 100%;
  border-radius: 4px;
  margin-bottom: var(--spacing-md, 2rem);
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-text.medium {
  width: 80%;
}

.skeleton-text.long {
  width: 100%;
}

/* Table wrapper skeleton - matches details-table */
.skeleton-table-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
  text-align: left;
}

/* Table row skeleton - matches details-table tr */
.skeleton-table-row {
  display: flex;
  flex-direction: row;
  gap: 0;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-light-gray, #f0f0f0);
  width: 100%;
  min-height: 32px;
}

.skeleton-table-row:last-child {
  border-bottom: none;
}

/* Skeleton line - matches table cells */
.skeleton-table-row .skeleton-line {
  height: 1rem;
  min-height: 1rem;
  background: linear-gradient(
    90deg,
    var(--skeleton-base, var(--color-light-gray, #f0f0f0)) 0%,
    var(--skeleton-highlight, rgba(0, 64, 14, 0.1)) 50%,
    var(--skeleton-base, var(--color-light-gray, #f0f0f0)) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: 4px;
}

/* Label skeleton - matches table-label (40% width) */
.skeleton-table-row .skeleton-line.skeleton-label {
  width: 40%;
  min-width: 120px;
  max-width: 40%;
}

/* Content skeleton - matches table-content (60% width) */
.skeleton-table-row .skeleton-line.skeleton-content {
  width: 60%;
  min-width: 150px;
  max-width: 60%;
}

/* Button skeleton */
.skeleton-button {
  height: 48px;
  width: 200px;
  border-radius: var(--radius-md, 16px);
}

/* Card skeleton */
.skeleton-card {
  padding: 1.5rem;
  border-radius: var(--radius-md, 16px);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ==================================================================
   SHIMMER ANIMATION
   ================================================================== */

@keyframes skeleton-shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* ==================================================================
   THEME VARIATIONS
   ================================================================== */

/* Yellow theme (booking-complete page) */
[data-theme="yellow"] .skeleton,
[data-theme="yellow"] .skeleton-table-row,
[data-theme="yellow"] .skeleton-table-row .skeleton-line {
  --skeleton-base: rgba(0, 64, 14, 0.1);
  --skeleton-highlight: rgba(0, 64, 14, 0.2);
}

/* Green theme */
[data-theme="green"] .skeleton,
[data-theme="green"] .skeleton-table-row,
[data-theme="green"] .skeleton-table-row .skeleton-line {
  --skeleton-base: rgba(255, 255, 255, 0.2);
  --skeleton-highlight: rgba(255, 255, 255, 0.3);
}

/* Teal theme */
[data-theme="teal"] .skeleton,
[data-theme="teal"] .skeleton-table-row,
[data-theme="teal"] .skeleton-table-row .skeleton-line {
  --skeleton-base: rgba(255, 255, 255, 0.2);
  --skeleton-highlight: rgba(255, 255, 255, 0.3);
}

/* ==================================================================
   FADE IN TRANSITION
   ================================================================== */

.skeleton-fade-out {
  opacity: 0;
  transition: opacity var(--transition-base, 0.3s) ease;
}

.skeleton-fade-in {
  opacity: 1;
  transition: opacity var(--transition-base, 0.3s) ease;
}

/* ==================================================================
   CDN LIBRARY WRAPPER
   ================================================================== */

/* Theme-aware wrapper for CDN skeleton libraries */
.skeleton-wrapper {
  --skeleton-base: var(--color-light-gray, #f0f0f0);
  --skeleton-highlight: var(--color-green, #00400e);
}

/* Example: react-content-loader integration */
.skeleton-wrapper svg {
  width: 100%;
  height: auto;
}

.skeleton-wrapper svg rect,
.skeleton-wrapper svg circle {
  fill: var(--skeleton-base);
}

.skeleton-wrapper svg rect[class*="highlight"],
.skeleton-wrapper svg circle[class*="highlight"] {
  fill: var(--skeleton-highlight);
}