/* ============================================
   ADF System - Global Loading Indicator
   Top progress bar (AJAX/background) + full
   overlay (page navigation / heavy actions)
   Same design as the karimunjawa-explore system.
   ============================================ */

#adf-loader-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #6366f1, #0ea5e9, #22d3ee);
  background-size: 200% 100%;
  box-shadow:
    0 0 8px rgba(99, 102, 241, 0.7),
    0 0 3px rgba(14, 165, 233, 0.9);
  z-index: 2147483647;
  opacity: 0;
  transition:
    width 0.25s ease-out,
    opacity 0.2s ease-in-out;
  animation: adf-loader-bar-flow 1.4s linear infinite;
  pointer-events: none;
}

#adf-loader-bar.adf-active {
  opacity: 1;
}

@keyframes adf-loader-bar-flow {
  0% {
    background-position: 0% 0%;
  }
  100% {
    background-position: 200% 0%;
  }
}

#adf-loader-overlay {
  position: fixed;
  inset: 0;
  z-index: 2147483646;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease-in-out;
}

#adf-loader-overlay.adf-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.adf-loader-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 28px 36px;
  transform: translateY(6px) scale(0.96);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#adf-loader-overlay.adf-active .adf-loader-box {
  transform: translateY(0) scale(1);
}

.adf-loader-spinner {
  position: relative;
  width: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.adf-loader-spinner::before,
.adf-loader-spinner::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid transparent;
}

.adf-loader-spinner::before {
  border-top-color: #6366f1;
  border-right-color: #6366f1;
  animation: adf-loader-spin 0.9s linear infinite;
}

.adf-loader-spinner::after {
  inset: 6px;
  border-bottom-color: #0ea5e9;
  animation: adf-loader-spin 1.3s linear infinite reverse;
}

@keyframes adf-loader-spin {
  to {
    transform: rotate(360deg);
  }
}

.adf-loader-logo {
  position: relative;
  z-index: 1;
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 8px;
  /* Zoom in/out + cahaya redup-terang (warna emas logo dipertahankan lewat filter) */
  animation: adf-loader-pulse 1.4s ease-in-out infinite;
  filter: brightness(0) saturate(100%) invert(53%) sepia(82%) saturate(776%)
    hue-rotate(8deg) brightness(88%) contrast(97%)
    drop-shadow(0 0 2px rgba(251, 191, 36, 0.35));
  will-change: transform, filter;
}

@keyframes adf-loader-pulse {
  0%,
  100% {
    transform: scale(0.84);
    filter: brightness(0) saturate(100%) invert(53%) sepia(82%) saturate(776%)
      hue-rotate(8deg) brightness(80%) contrast(97%)
      drop-shadow(0 0 1px rgba(251, 191, 36, 0.25));
  }
  50% {
    transform: scale(1.14);
    filter: brightness(0) saturate(100%) invert(53%) sepia(82%) saturate(776%)
      hue-rotate(8deg) brightness(125%) contrast(105%)
      drop-shadow(0 0 10px rgba(251, 191, 36, 0.95))
      drop-shadow(0 0 22px rgba(245, 158, 11, 0.7));
  }
}

/* Lingkaran cahaya di belakang logo ikut berdenyut */
.adf-loader-spinner .adf-loader-glow {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.55) 0%, rgba(251, 191, 36, 0) 70%);
  animation: adf-loader-glow 1.4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes adf-loader-glow {
  0%,
  100% {
    opacity: 0.15;
    transform: scale(0.7);
  }
  50% {
    opacity: 1;
    transform: scale(1.35);
  }
}

/* Teks: putih terang di kapsul kaca. Selector kuat + !important karena style.css tema terang memaksa warna div. */
body #adf-loader-overlay .adf-loader-text,
body[data-theme] #adf-loader-overlay .adf-loader-text {
  font-family: "Inter", "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 13px !important;
  font-weight: 700 !important;
  letter-spacing: 0.06em;
  color: #ffffff !important;
  -webkit-text-fill-color: #ffffff !important;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 8px 24px -10px rgba(0, 0, 0, 0.6);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.45);
  animation: adf-loader-text 1.4s ease-in-out infinite;
}

@keyframes adf-loader-text {
  0%,
  100% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
  }
}
@media (prefers-reduced-motion: reduce) {
  .adf-loader-spinner::before,
  .adf-loader-spinner::after,
  .adf-loader-logo,
  .adf-loader-glow,
  .adf-loader-text,
  #adf-loader-bar {
    animation: none !important;
  }
}