/* ============================================
   Skeleton Loading - مشوار تاورغاء 2026
   تأثيرات تحميل عصرية قبل عرض المحتوى
   ============================================ */

.skeleton-container {
  width: 100%;
  animation: fadeIn var(--transition-base) ease-out;
}

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

/* ===== Skeleton Base Styles (Natural Colors) ===== */
.skeleton-base {
  background: linear-gradient(90deg, 
    var(--olive-500) 0%, 
    var(--copper-400) 50%, 
    var(--olive-500) 100%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite ease-in-out;
  border-radius: var(--radius-md);
  opacity: 0.6;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  50% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

/* ===== Filter Skeleton ===== */
.skeleton-filters {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.skeleton-filter {
  @extend .skeleton-base;
  height: 48px;
  width: 120px;
  border-radius: var(--radius-full);
}

@media (max-width: 640px) {
  .skeleton-filters {
    flex-direction: column;
  }
  
  .skeleton-filter {
    width: 100%;
  }
}

/* ===== Cards Grid Skeleton ===== */
.skeleton-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 640px) {
  .skeleton-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .skeleton-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== Card Skeleton ===== */
.skeleton-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  padding: 0;
}

.skeleton-image {
  @extend .skeleton-base;
  height: 200px;
  width: 100%;
  border-radius: 0;
}

.skeleton-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.skeleton-title {
  @extend .skeleton-base;
  height: 24px;
  width: 70%;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  @extend .skeleton-base;
  height: 16px;
  width: 100%;
  border-radius: var(--radius-sm);
}

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

.skeleton-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.skeleton-button {
  @extend .skeleton-base;
  height: 40px;
  border-radius: var(--radius-md);
}

/* ===== Dark Mode Support ===== */
@media (prefers-color-scheme: dark) {
  .skeleton-base {
    background: linear-gradient(90deg, 
      var(--neutral-700) 25%, 
      var(--neutral-600) 50%, 
      var(--neutral-700) 75%);
    background-size: 200% 100%;
  }
}

[data-theme="dark"] .skeleton-base {
  background: linear-gradient(90deg, 
    var(--neutral-700) 25%, 
    var(--neutral-600) 50%, 
    var(--neutral-700) 75%);
  background-size: 200% 100%;
}

/* ===== Performance Optimizations ===== */
.skeleton-base {
  will-change: background-position;
  contain: layout style paint;
}

/* ===== Reduced Motion Support ===== */
@media (prefers-reduced-motion: reduce) {
  .skeleton-base {
    animation: none;
    background: var(--neutral-200);
  }
  
  [data-theme="dark"] .skeleton-base,
  @media (prefers-color-scheme: dark) {
    .skeleton-base {
      background: var(--neutral-700);
    }
  }
}