/* ========================================
   LOADING INDICATORS & SPINNERS
   ======================================== */

/* Global Page Loader */
#globalLoader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(246, 248, 252, 0.92) 0%, rgba(238, 242, 248, 0.96) 100%);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 99999;
  padding: 20px;
  backdrop-filter: blur(8px) saturate(108%);
  -webkit-backdrop-filter: blur(8px) saturate(108%);
}

body.loader-active {
  overflow: hidden;
}

#globalLoader .loader-content {
  position: relative;
  width: min(460px, 94vw);
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 10px 12px;
  text-align: center;
  color: #0b1f3a;
  box-shadow: none;
  overflow: visible;
}

#globalLoader .loader-content::after {
  content: none;
}

#globalLoader .loader-brand {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 16px;
}

#globalLoader .loader-brand img {
  width: min(320px, 78vw);
  height: auto;
  background: transparent !important;
  border-radius: 0;
  box-shadow: none;
}

.loader-flight-track {
  display: none;
}

.loader-flight-dot {
  display: none;
}

.loader-flight-dot::before {
  content: ">";
}

.global-loader-spinner {
  display: none !important;
}

.global-loader-spinner::after {
  content: none;
}

/* Spinning Loader Animation */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #111111;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Small spinner for buttons */
.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
  margin-right: 8px;
}

/* Button loading state */
button.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

button .spinner {
  display: none;
  margin-right: 8px;
}

button.loading .spinner {
  display: inline-block;
}

button.loading .text {
  opacity: 0.5;
}

/* Inline Loader */
.inline-loader {
  display: inline-flex;
  align-items: center;
  margin-left: 10px;
}

.inline-loader .spinner-border-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.2em;
}

/* Skeleton Loader */
.skeleton-loader {
  animation: skeleton-loading 1s linear infinite alternate;
}

.skeleton-line {
  height: 20px;
  margin: 10px 0;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: 4px;
}

.skeleton-line:nth-child(1) { width: 100%; }
.skeleton-line:nth-child(2) { width: 85%; }
.skeleton-line:nth-child(3) { width: 70%; }

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

/* Overlay Loader */
.overlay-loader {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

/* Pulse Animation for Loading Text */
#globalLoader .loading-text {
  margin: 0;
  color: #0b1f3a;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.12px;
}

#globalLoader .loader-subtext {
  margin: 0;
  color: #334f73;
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 20px;
}

#globalLoader .loader-skeleton {
  width: min(380px, 88vw);
  margin: 14px auto 0;
  display: grid;
  gap: 10px;
}

#globalLoader .loader-skeleton-line {
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(152, 176, 206, 0.42) 25%, rgba(226, 236, 248, 0.94) 50%, rgba(152, 176, 206, 0.42) 75%);
  background-size: 220% 100%;
  animation: globalSkeletonShimmer 1.15s ease-in-out infinite;
}

#globalLoader .loader-skeleton-line:nth-child(1) {
  width: 100%;
}

#globalLoader .loader-skeleton-line:nth-child(2) {
  width: 84%;
}

#globalLoader .loader-skeleton-line:nth-child(3) {
  width: 68%;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5;  }
}

@keyframes globalSkeletonShimmer {
  0% {
    background-position: 180% 0;
  }
  100% {
    background-position: -40% 0;
  }
}

/* Progress Bar */
.progress-bar-container {
  width: 100%;
  height: 4px;
  background: #f3f3f3;
  border-radius: 2px;
  overflow: hidden;
  margin: 20px 0;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #007bff, #0056b3);
  animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

/* Dots Loading Animation */
#globalLoader .loading-dots::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0%, 20% { content: ''; }
  40% { content: '.'; }
  60% { content: '..'; }
  80%, 100% { content: '...'; }
}

@keyframes loaderSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes flightMove {
  0% { left: 8px; }
  100% { left: calc(100% - 34px); }
}

@keyframes loaderBar {
  0% { left: -40%; }
  100% { left: 100%; }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  #globalLoader .loader-content {
    width: min(360px, 94vw);
    padding: 10px 8px;
  }

  #globalLoader .loader-brand img {
    width: min(260px, 72vw);
  }

  .global-loader-spinner {
    width: 46px;
    height: 46px;
  }

  #globalLoader .loading-text {
    font-size: 0.94rem;
  }

  #globalLoader .loader-subtext {
    font-size: 0.8rem;
  }

  #globalLoader .loader-skeleton {
    width: min(300px, 88vw);
    gap: 7px;
  }

  #globalLoader .loader-skeleton-line {
    height: 10px;
  }
}