/* ========================================================
   ZANKETH STORE - PAGE TRANSITION LOADER (OPTION 3)
   ======================================================== */
#zk-page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  font-family: 'Inter', sans-serif;
  /* Default: Dark Theme */
  background: radial-gradient(circle at 50% 45%, rgba(30, 58, 138, 0.28) 0%, rgba(6, 9, 19, 0.96) 60%, #03060d 100%);
  color: #f8fafc;
}

#zk-page-loader.active {
  opacity: 1;
  pointer-events: auto;
}

/* Light Mode Overlay */
html[data-theme="light"] #zk-page-loader,
[data-theme="light"] #zk-page-loader {
  background: radial-gradient(circle at 50% 45%, rgba(219, 234, 254, 0.75) 0%, rgba(241, 245, 249, 0.98) 65%, #f8fafc 100%) !important;
  color: #0f172a !important;
}

/* Logo Container - Pure Transparent Floating Logo (No Box Background) */
#zk-loader-logo-box {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

html[data-theme="light"] #zk-loader-logo-box,
[data-theme="light"] #zk-loader-logo-box {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

/* Logo Switching (Strict Root Scoped) */
.zk-logo-dark {
  display: block !important;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.zk-logo-light {
  display: none !important;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

html[data-theme="light"] .zk-logo-dark,
[data-theme="light"] .zk-logo-dark {
  display: none !important;
}

html[data-theme="light"] .zk-logo-light,
[data-theme="light"] .zk-logo-light {
  display: block !important;
}

/* Shimmer Title - Default Dark */
.zk-loader-title {
  background: linear-gradient(90deg, #fff 0%, #38bdf8 30%, #fff 60%, #818cf8 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: zk-shimmer-text 3s linear infinite;
}

/* Shimmer Title - Light Mode */
html[data-theme="light"] .zk-loader-title,
[data-theme="light"] .zk-loader-title {
  background: linear-gradient(90deg, #0f172a 0%, #0284c7 35%, #1e1b4b 70%, #0f172a 100%) !important;
  background-size: 200% auto !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

/* Subtitle */
.zk-loader-sub {
  color: #94a3b8;
}
html[data-theme="light"] .zk-loader-sub,
[data-theme="light"] .zk-loader-sub {
  color: #475569 !important;
}

/* Progress Track & Line */
.zk-loader-track {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(30, 41, 59, 0.9);
}
html[data-theme="light"] .zk-loader-track,
[data-theme="light"] .zk-loader-track {
  background: #e2e8f0 !important;
  border: 1px solid #cbd5e1 !important;
}

/* Status Badge */
.zk-loader-badge {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(30, 41, 59, 0.85);
  color: #94a3b8;
}
html[data-theme="light"] .zk-loader-badge,
[data-theme="light"] .zk-loader-badge {
  background: rgba(255, 255, 255, 0.95) !important;
  border: 1px solid #cbd5e1 !important;
  color: #475569 !important;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04) !important;
}

/* Keyframe Animations */
@keyframes zk-radar-sweep {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes zk-spin-dual-1 {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes zk-breath-logo {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 10px rgba(6,182,212,0.5)); }
  50% { transform: scale(1.06); filter: drop-shadow(0 0 25px rgba(6,182,212,0.9)); }
}
@keyframes zk-breath-logo-light {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 8px rgba(37,99,235,0.25)); }
  50% { transform: scale(1.06); filter: drop-shadow(0 0 18px rgba(6,182,212,0.6)); }
}
html[data-theme="light"] .zk-logo-breath,
[data-theme="light"] .zk-logo-breath {
  animation: zk-breath-logo-light 2.2s ease-in-out infinite !important;
}
@keyframes zk-shimmer-text {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes zk-progress-line {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(30%); }
  100% { transform: translateX(200%); }
}

.zk-radar-ring {
  animation: zk-radar-sweep 2.8s linear infinite;
}
.zk-dual-spin {
  animation: zk-spin-dual-1 1.6s cubic-bezier(0.68, -0.55, 0.27, 1.55) infinite;
}
.zk-logo-breath {
  animation: zk-breath-logo 2.2s ease-in-out infinite;
}
.zk-line-indeterminate {
  animation: zk-progress-line 1.8s ease-in-out infinite;
}

/* Responsive Sizing */
.zk-loader-orbit-wrap {
  position: relative;
  width: 5rem;
  height: 5rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (min-width: 640px) {
  .zk-loader-orbit-wrap {
    width: 7rem;
    height: 7rem;
  }
}

.zk-loader-logo-wrap {
  position: relative;
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (min-width: 640px) {
  .zk-loader-logo-wrap {
    width: 4.75rem;
    height: 4.75rem;
  }
}