/* ==========================================================================
   PREMIUM E-COMMERCE CORE LAYOUT STYLESHEET (PRODUCTION READY)
   ========================================================================== */

/* 1. Global Document Root Configuration & Smooth Scroll */
html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  overflow-x: hidden;
}

/* 2. Premium Custom Scrollbar Subsystem */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9; /* slate-100 */
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1; /* slate-300 */
  border-radius: 9999px;
  border: 2px solid #f1f5f9;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8; /* slate-400 */
}

/* 3. CSS Custom Utility: Line Clamp Fallbacks */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;  
  overflow: hidden;
}

/* 4. Advanced Glassmorphism UI Classes */
.glass-panel {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.glass-panel-dark {
  background: rgba(15, 23, 42, 0.65); /* slate-900 with alpha */
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* 5. Skeleton Loader Keyframe Animation System */
@keyframes skeleton-shine {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.skeleton-placeholder {
  background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shine 1.6s infinite linear;
}

/* 6. Micro-interactions and Image Hover Effects */
.aspect-square {
  aspect-ratio: 1 / 1;
}

.group:hover .group-hover\:scale-105 {
  transform: scale(1.05);
}

.group:hover .group-hover\:text-indigo-600 {
  color: #4f46e5;
}

/* 7. Focus Ring Enhancement for Accessibility Protocols */
input:focus, select:focus, textarea:focus {
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}