/* Fullscreen App Loader - Critical CSS loaded first */
.app-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: #fefbff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.5s;
}

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

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  animation: loader-fade-in 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.loader-logo {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  animation: loader-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(0, 97, 164, 0.2);
  border-top-color: #0061a4;
  border-radius: 50%;
  animation: loader-spin 1s linear infinite;
}

.loader-text {
  color: #1a1c1e;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin: 0;
  opacity: 0.95;
  animation: loader-text-pulse 1.5s ease-in-out infinite;
}

@keyframes loader-fade-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes loader-pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

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

@keyframes loader-text-pulse {
  0%, 100% {
    opacity: 0.95;
  }
  50% {
    opacity: 0.7;
  }
}

/* Dark mode support for loader */
@media (prefers-color-scheme: dark) {
  .app-loader {
    background: #101418;
  }

  .loader-spinner {
    border: 4px solid rgba(158, 202, 255, 0.2);
    border-top-color: #9ecaff;
  }

  .loader-text {
    color: #e2e2e9;
  }
}