/**
 * @file
 * Loading spinner styles for content pages.
 * Uses theme colors from barrio_redaprende.
 */

/* Overlay */
.ra-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.92);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease-out, visibility 0.3s ease-out;
}

.ra-loading-overlay.ra-loading-overlay--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Spinner container */
.ra-loading-spinner {
  position: relative;
  width: 60px;
  height: 60px;
}

/* Main spinner ring */
.ra-loading-spinner__ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 4px solid var(--ra-color-tropical-blue, #B5C7E9);
  border-top-color: var(--ra-color-cobalt, #0943B5);
  border-radius: 50%;
  animation: ra-spin 1s linear infinite;
}

/* Secondary ring for visual depth */
.ra-loading-spinner__ring--inner {
  width: 40px;
  height: 40px;
  top: 10px;
  left: 10px;
  border: 3px solid var(--ra-color-solitude, #E5ECF8);
  border-top-color: var(--ra-color-havelock-blue, #4672C8);
  animation-duration: 0.8s;
  animation-direction: reverse;
}

/* Loading text */
.ra-loading-text {
  margin-top: 20px;
  font-family: var(--ra-font-base, 'Montserrat', sans-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ra-color-cobalt, #0943B5);
  letter-spacing: 0.5px;
}

/* Animated dots */
.ra-loading-text::after {
  content: '';
  animation: ra-dots 1.5s steps(4, end) infinite;
}

/* Pulse animation for the REDAprende logo effect */
.ra-loading-spinner__pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background-color: var(--ra-color-cobalt, #0943B5);
  border-radius: 50%;
  animation: ra-pulse 1s ease-in-out infinite;
}

/* Spin animation */
@keyframes ra-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Pulse animation */
@keyframes ra-pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0.6;
  }
  50% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

/* Animated dots */
@keyframes ra-dots {
  0% {
    content: '';
  }
  25% {
    content: '.';
  }
  50% {
    content: '..';
  }
  75% {
    content: '...';
  }
  100% {
    content: '';
  }
}

/* Accessibility: respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .ra-loading-spinner__ring,
  .ra-loading-spinner__pulse {
    animation: none;
  }

  .ra-loading-text::after {
    animation: none;
    content: '...';
  }

  .ra-loading-overlay {
    transition: none;
  }
}

/* Alternative: Progress bar variant (can be used instead) */
.ra-loading-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--ra-color-solitude, #E5ECF8);
  z-index: 10000;
  overflow: hidden;
}

.ra-loading-bar__progress {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--ra-color-cobalt, #0943B5) 0%,
    var(--ra-color-havelock-blue, #4672C8) 50%,
    var(--ra-color-cobalt, #0943B5) 100%
  );
  background-size: 200% 100%;
  animation: ra-progress 1.5s ease-in-out infinite;
}

@keyframes ra-progress {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}