/* ============================================
   ADF System - Global Loading Indicator
   Top progress bar (AJAX/background) + full
   overlay (page navigation / heavy actions)
   ============================================ */

#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;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 20px 45px -12px rgba(15, 23, 42, 0.45);
  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 {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 8px;
  animation: adf-loader-pulse 1.6s ease-in-out infinite;
  /* Force the logo to render gold, regardless of its original PNG colors:
       brightness(0) flattens it to a black silhouette (keeps transparency),
       the rest re-tints that silhouette to a gold tone (~#D4AF37). */
  filter: brightness(0) saturate(100%) invert(72%) sepia(46%) saturate(923%)
    hue-rotate(1deg) brightness(101%) contrast(92%);
}

@keyframes adf-loader-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(0.9);
    opacity: 0.75;
  }
}

.adf-loader-text {
  font-family: "Inter", "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #334155;
}

@media (prefers-reduced-motion: reduce) {
  .adf-loader-spinner::before,
  .adf-loader-spinner::after,
  .adf-loader-logo,
  #adf-loader-bar {
    animation: none !important;
  }
}