/* ===============================
   🔥 FULL PAGE LOADER - TIKTOK TIER
   =============================== */
.page-loader {
  position: fixed;
  inset: 0;
  background: #0a0a0a;
  z-index: 9999;
  overflow: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#appContent {
  transition: opacity 0.4s ease 0.1s;
}

#appContent.ready {
  opacity: 1 !important;
  visibility: visible !important;
}

.skeleton {
  background: linear-gradient(90deg, 
    rgba(255,255,255,0.04) 0%, 
    rgba(255,255,255,0.08) 50%, 
    rgba(255,255,255,0.04) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

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

.loader-header {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.skeleton-logo {
  width: 140px;
  height: 32px;
}

.skeleton-nav {
  width: 300px;
  height: 32px;
}

.loader-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 80px 20px;
  gap: 20px;
}

.skeleton-title {
  width: 400px;
  height: 60px;
  max-width: 80%;
}

.skeleton-subtitle {
  width: 300px;
  height: 20px;
  max-width: 60%;
}

.skeleton-btn {
  width: 180px;
  height: 48px;
  margin-top: 20px;
}

.loader-section {
  padding: 40px;
}

.skeleton-section-title {
  width: 200px;
  height: 28px;
  margin-bottom: 24px;
}

.skeleton-row {
  display: flex;
  gap: 16px;
  overflow: hidden;
}

.skeleton-card {
  flex: 0 0 180px;
  height: 240px;
  border-radius: 12px;
}

@media (max-width: 768px) {
  .loader-header { padding: 16px 20px; }
  .skeleton-nav { display: none; }
  .loader-section { padding: 20px; }
  .skeleton-card { flex: 0 0 140px; height: 200px; }
}