/**
 * static/css/loading.css
 * Loading state styles
 * Enhanced with color schema variables
 * Includes: Three-dot loading, circular preloader, and loading overlays
 */

/* ============ CSS VARIABLES ============ */
:root {
  /* Loading overlay colors */
  --loading-overlay-bg-light: var(--color-white-opacity-80);
  --loading-overlay-bg-dark: var(--color-opacity-70);
  --global-loading-overlay-bg-light: var(--color-white-opacity-90);
  --global-loading-overlay-bg-dark: var(--color-opacity-90);
  
  /* Loading spinner colors */
  --loading-spinner-bg: var(--theme-surface);
  --loading-spinner-shadow: var(--theme-shadow-lg);
  --loading-spinner-border: var(--theme-primary);
  --loading-spinner-border-transparent: transparent;
  --loading-spinner-text: var(--theme-text-secondary);
  
  /* Shimmer effect colors */
  --loading-shimmer-start-light: transparent;
  --loading-shimmer-mid-light: var(--color-white-opacity-40);
  --loading-shimmer-end-light: transparent;
  --loading-shimmer-start-dark: transparent;
  --loading-shimmer-mid-dark: var(--color-white-opacity-10);
  --loading-shimmer-end-dark: transparent;
  
  /* Button loading */
  --button-loading-border: currentColor;
  --button-loading-border-transparent: transparent;
  
  /* Form loading */
  --form-loading-opacity: 0.7;
  
  /* Table loading */
  --table-loading-opacity: 0.6;
  
  /* Skeleton loading */
  --skeleton-gradient-start: var(--theme-bg-secondary);
  --skeleton-gradient-mid: var(--theme-bg-tertiary);
  --skeleton-gradient-end: var(--theme-bg-secondary);
  --skeleton-text-height: 1rem;
  --skeleton-circle-size: 3rem;
  --skeleton-border-radius: 0.25rem;
  
  /* Three-dot loading animation */
  --three-dot-loading-bg-light: var(--color-primary-opacity-20);
  --three-dot-loading-bg-dark: var(--color-opacity-70);
  --three-dot-object-color: var(--theme-secondary);
  --three-dot-object-color-light: var(--theme-secondary-light);
  
  /* Circular preloader */
  --preloader-bg: var(--theme-bg-primary);
  --preloader-path-color: var(--color-primary-blue-alt);
  --preloader-progress-color: var(--theme-text-tertiary);
  --preloader-transition: opacity 0.5s ease;
}

/* ============ THREE-DOT LOADING ANIMATION ============ */
#loading {
  background-color: var(--three-dot-loading-bg-light);
  height: 100%;
  width: 100%;
  position: fixed;
  z-index: 99999;
  margin-top: 0px;
  top: 0px;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}

#loading-center {
  width: 100%;
  height: 100%;
  position: relative;
}

#loading-center-absolute {
  position: absolute;
  left: 50%;
  top: 50%;
  height: 150px;
  width: 150px;
  margin-top: -75px;
  margin-left: -75px;
}

.object {
  width: 20px;
  height: 20px;
  background-color: var(--three-dot-object-color);
  float: left;
  margin-right: 20px;
  margin-top: 65px;
  border-radius: 50%;
  animation-duration: 1.5s;
  animation-iteration-count: infinite;
}

#object_one {
  animation-name: object_one;
}

#object_two {
  animation-name: object_two;
  animation-delay: 0.25s;
}

#object_three {
  animation-name: object_three;
  animation-delay: 0.5s;
}

@keyframes object_one {
  75% {
    transform: scale(0);
  }
}

@keyframes object_two {
  75% {
    transform: scale(0);
  }
}

@keyframes object_three {
  75% {
    transform: scale(0);
  }
}

/* ============ CIRCULAR PRELOADER ============ */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--preloader-bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--preloader-transition);
}

.preloader-content {
  text-align: center;
}

.loader-circular {
  width: 50px;
  height: 50px;
  animation: rotate 2s linear infinite;
}

.loader-path {
  stroke: var(--preloader-path-color);
  stroke-width: 4;
  stroke-dasharray: 1, 200;
  stroke-dashoffset: 0;
  animation: dash 1.5s ease-in-out infinite;
  stroke-linecap: round;
}

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

@keyframes dash {
  0% {
    stroke-dasharray: 1, 200;
    stroke-dashoffset: 0;
  }
  50% {
    stroke-dasharray: 89, 200;
    stroke-dashoffset: -35;
  }
  100% {
    stroke-dasharray: 89, 200;
    stroke-dashoffset: -124;
  }
}

.preloader-progress {
  margin-top: 20px;
  font-size: 14px;
  color: var(--preloader-progress-color);
}

.loaded .preloader {
  opacity: 0;
  visibility: hidden;
}

/* ============ LOADING OVERLAY SYSTEM ============ */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--loading-overlay-bg-light);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  border-radius: inherit;
}

/* Loading spinner wrapper */
.loading-spinner-wrapper {
  text-align: center;
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.loading-spinner.spinner-small {
  flex-direction: row;
  gap: 0.5rem;
}

.loading-text {
  color: var(--loading-spinner-text);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

/* Global loading overlay */
.global-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--global-loading-overlay-bg-light);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.global-loading-spinner {
  text-align: center;
  padding: 2rem;
  background: var(--loading-spinner-bg);
  border-radius: 0.5rem;
  box-shadow: var(--loading-spinner-shadow);
}

/* Loading state for elements */
.is-loading {
  position: relative;
  overflow: hidden;
}

.is-loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--loading-shimmer-start-light),
    var(--loading-shimmer-mid-light),
    var(--loading-shimmer-end-light)
  );
  animation: loading-shimmer 1.5s infinite;
  z-index: 1;
}

@keyframes loading-shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Button loading states */
.btn[data-loading="true"] {
  position: relative;
  color: transparent !important;
}

.btn[data-loading="true"]::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--button-loading-border);
  border-top-color: var(--button-loading-border-transparent);
  border-radius: 50%;
  animation: button-spin 0.75s linear infinite;
}

@keyframes button-spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* Form loading states */
.form-loading {
  opacity: var(--form-loading-opacity);
  pointer-events: none;
}

/* Card loading states */
.card.is-loading .card-body {
  min-height: 100px;
}

/* Table loading states */
.table.is-loading tbody tr {
  opacity: var(--table-loading-opacity);
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--skeleton-gradient-start) 25%,
    var(--skeleton-gradient-mid) 50%,
    var(--skeleton-gradient-end) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--skeleton-border-radius);
}

.skeleton-text {
  height: var(--skeleton-text-height);
  margin-bottom: 0.5rem;
}

.skeleton-circle {
  width: var(--skeleton-circle-size);
  height: var(--skeleton-circle-size);
  border-radius: 50%;
}

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

/* ============ DARK THEME ADJUSTMENTS ============ */
[data-theme="dark"],
.dark-theme {
  /* Loading overlay colors */
  --loading-overlay-bg-light: var(--color-opacity-70);
  --loading-overlay-bg-dark: var(--color-opacity-80);
  --global-loading-overlay-bg-light: var(--color-opacity-90);
  --global-loading-overlay-bg-dark: var(--color-opacity-95);
  
  /* Loading spinner colors */
  --loading-spinner-bg: var(--theme-surface-elevated);
  --loading-spinner-shadow: var(--theme-shadow-lg);
  --loading-spinner-border: var(--theme-primary-light);
  --loading-spinner-text: var(--theme-text-secondary);
  
  /* Shimmer effect colors */
  --loading-shimmer-start-light: transparent;
  --loading-shimmer-mid-light: var(--color-white-opacity-10);
  --loading-shimmer-end-light: transparent;
  
  /* Skeleton loading adjustments */
  --skeleton-gradient-start: var(--color-gray-150);
  --skeleton-gradient-mid: var(--color-gray-200);
  --skeleton-gradient-end: var(--color-gray-150);
  
  /* Button loading adjustments */
  --button-loading-border: currentColor;
  
  /* Three-dot loading animation */
  --three-dot-loading-bg-light: var(--color-opacity-80);
  --three-dot-object-color: var(--three-dot-object-color-light);
  
  /* Circular preloader */
  --preloader-bg: var(--theme-bg-primary);
  --preloader-path-color: var(--theme-primary-light);
  --preloader-progress-color: var(--theme-text-tertiary);
}

/* Dark theme specific overrides */
.dark-theme .loading-overlay {
  background-color: var(--loading-overlay-bg-light);
}

.dark-theme .global-loading-overlay {
  background-color: var(--global-loading-overlay-bg-light);
}

.dark-theme .global-loading-spinner {
  background: var(--loading-spinner-bg);
  box-shadow: var(--loading-spinner-shadow);
}

.dark-theme .is-loading::before {
  background: linear-gradient(
    90deg,
    var(--loading-shimmer-start-dark),
    var(--loading-shimmer-mid-dark),
    var(--loading-shimmer-end-dark)
  );
}

.dark-theme #loading {
  background-color: var(--three-dot-loading-bg-light);
}

.dark-theme .object {
  background-color: var(--three-dot-object-color);
}

.dark-theme .preloader {
  background: var(--preloader-bg);
}

.dark-theme .loader-path {
  stroke: var(--preloader-path-color);
}

.dark-theme .preloader-progress {
  color: var(--preloader-progress-color);
}

/* ============ ACCESSIBILITY ENHANCEMENTS ============ */
/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .object,
  .loader-circular,
  .is-loading::before,
  .btn[data-loading="true"]::after,
  .skeleton,
  .loader-path {
    animation-duration: 0.1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.1ms !important;
  }
  
  .is-loading::before {
    animation: none !important;
    background: none !important;
  }
  
  .skeleton {
    animation: none !important;
    background: var(--theme-bg-secondary) !important;
  }
  
  .loader-circular {
    animation: none !important;
  }
  
  .loader-path {
    animation: none !important;
    stroke-dasharray: 100, 200;
    stroke-dashoffset: 0;
  }
}

/* High contrast mode adjustments */
@media (prefers-contrast: high) {
  #loading,
  .loading-overlay {
    background-color: var(--color-overlay-dark) !important;
    backdrop-filter: none !important;
  }
  
  .dark-theme #loading,
  .dark-theme .loading-overlay {
    background-color: var(--color-overlay-darker) !important;
  }
  
  .global-loading-overlay,
  .preloader {
    background-color: var(--color-overlay-darker) !important;
    backdrop-filter: none !important;
  }
  
  .dark-theme .global-loading-overlay,
  .dark-theme .preloader {
    background-color: var(--color-overlay-black) !important;
  }
  
  .object {
    background-color: var(--color-success-dark) !important;
  }
  
  .loader-path {
    stroke: var(--color-primary-darker) !important;
    stroke-width: 5 !important;
  }
  
  .is-loading::before {
    background: linear-gradient(
      90deg,
      transparent,
      var(--color-white-opacity-30),
      transparent
    ) !important;
  }
  
  .skeleton {
    background: linear-gradient(
      90deg,
      var(--color-gray-200),
      var(--color-gray-300),
      var(--color-gray-200)
    ) !important;
  }
}

/* ============ SIZE VARIATIONS ============ */
/* Extra small three-dot loading */
.loading-three-dots-sm #loading-center-absolute {
  height: 75px;
  width: 75px;
  margin-top: -37.5px;
  margin-left: -37.5px;
}

.loading-three-dots-sm .object {
  width: 10px;
  height: 10px;
  margin-right: 10px;
  margin-top: 32.5px;
}

/* Large three-dot loading */
.loading-three-dots-lg #loading-center-absolute {
  height: 200px;
  width: 200px;
  margin-top: -100px;
  margin-left: -100px;
}

.loading-three-dots-lg .object {
  width: 30px;
  height: 30px;
  margin-right: 30px;
  margin-top: 85px;
}

/* Small circular preloader */
.preloader-sm .loader-circular {
  width: 30px;
  height: 30px;
}

.preloader-sm .loader-path {
  stroke-width: 3;
}

/* Large circular preloader */
.preloader-lg .loader-circular {
  width: 80px;
  height: 80px;
}

.preloader-lg .loader-path {
  stroke-width: 5;
}

/* ============ COLOR VARIANTS ============ */
/* Primary variant */
.three-dot-loading-primary .object {
  background-color: var(--theme-primary);
}

.circular-preloader-primary .loader-path {
  stroke: var(--theme-primary);
}

/* Accent variant */
.three-dot-loading-accent .object {
  background-color: var(--theme-accent);
}

.circular-preloader-accent .loader-path {
  stroke: var(--theme-accent);
}

/* Success variant */
.three-dot-loading-success .object {
  background-color: var(--color-success);
}

.circular-preloader-success .loader-path {
  stroke: var(--color-success);
}

/* Warning variant */
.three-dot-loading-warning .object {
  background-color: var(--color-warning);
}

.circular-preloader-warning .loader-path {
  stroke: var(--color-warning);
}

/* Error variant */
.three-dot-loading-error .object {
  background-color: var(--color-error);
}

.circular-preloader-error .loader-path {
  stroke: var(--color-error);
}

/* ============ LOADING TRANSITION UTILITIES ============ */
/* Fade transitions */
.loading-fade-enter,
.loading-fade-leave-to {
  opacity: 0;
}

.loading-fade-enter-active,
.loading-fade-leave-active {
  transition: opacity 0.3s ease;
}

/* Slide transitions */
.loading-slide-enter,
.loading-slide-leave-to {
  transform: translateY(-20px);
  opacity: 0;
}

.loading-slide-enter-active,
.loading-slide-leave-active {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Scale transitions */
.loading-scale-enter,
.loading-scale-leave-to {
  transform: scale(0.8);
  opacity: 0;
}

.loading-scale-enter-active,
.loading-scale-leave-active {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ============ LOADING STATE CLASSES ============ */
/* Visibility control */
.loading-visible {
  visibility: visible;
  opacity: 1;
}

.loading-hidden {
  visibility: hidden;
  opacity: 0;
}

.loading-removed {
  display: none;
}

/* Loading completion states */
.loading-complete {
  pointer-events: auto;
  opacity: 1;
}

.loading-incomplete {
  pointer-events: none;
  opacity: 0.6;
}

/* Loading progress indicators */
.loading-progress-container {
  width: 100%;
  height: 4px;
  background-color: var(--theme-bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
  margin: 10px 0;
}

.loading-progress-bar {
  height: 100%;
  background-color: var(--theme-primary);
  width: 0%;
  transition: width 0.3s ease;
  border-radius: 2px;
}

/* ============ RESPONSIVE ADJUSTMENTS ============ */
@media (max-width: 768px) {
  #loading-center-absolute {
    height: 120px;
    width: 120px;
    margin-top: -60px;
    margin-left: -60px;
  }
  
  .object {
    width: 16px;
    height: 16px;
    margin-right: 16px;
    margin-top: 52px;
  }
  
  .loader-circular {
    width: 40px;
    height: 40px;
  }
  
  .global-loading-spinner {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  #loading-center-absolute {
    height: 100px;
    width: 100px;
    margin-top: -50px;
    margin-left: -50px;
  }
  
  .object {
    width: 14px;
    height: 14px;
    margin-right: 14px;
    margin-top: 43px;
  }
  
  .loader-circular {
    width: 30px;
    height: 30px;
  }
  
  .global-loading-spinner {
    padding: 1rem;
  }
}

/* ============ PRINT STYLES ============ */
@media print {
  #loading,
  .preloader,
  .loading-overlay,
  .global-loading-overlay,
  .is-loading::before,
  .btn[data-loading="true"]::after,
  .skeleton,
  .object,
  .loader-circular {
    display: none !important;
  }
  
  .form-loading,
  .table.is-loading {
    opacity: 1 !important;
  }
}

/* ============ PERFORMANCE OPTIMIZATIONS ============ */
/* Will-change for smoother animations */
#loading-center-absolute,
.loading-spinner,
.is-loading::before,
.skeleton,
.loader-circular {
  will-change: transform, opacity;
}

/* Hardware acceleration */
.object,
.loader-circular,
.is-loading::before,
.btn[data-loading="true"]::after {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* GPU acceleration for smoother animations */
#loading,
.preloader {
  transform: translate3d(0, 0, 0);
}
/*!
 * Course progress and video components
 * File: course-components.css
 * Category: components
 * Generated: 2025-12-16 22:01:11
 * Size: 1088 bytes
 * Lines: 63
 */

.course-progress {
  height: 4px;
  background: var(--color-rating-inactive);
  border-radius: 2px;
  overflow: hidden;
}

.lesson-item.active {
  background: var(--color-rating-active);
  color: var(--color-named-white);
}

.lesson-item.completed .lesson-title {
  text-decoration: line-through;
  color: var(--color-course-download);
}

.video-container {
  background: var(--color-carousel-dot-border);
  border-radius: 8px;
  overflow: hidden;
}

.sidebar-lessons {
  max-height: 600px;
  overflow-y: auto;
}

.module-header {
  background: var(--color-course-module);
  border-left: 4px solid var(--color-rating-active);
}

.download-resources {
  border-left: 4px solid var(--color-course-download);
}

.replies {
  border-color: var(--color-rating-inactive) !important;
}

.reply {
  padding-left: 1rem;
  border-left: 2px solid var(--color-border-light);
}

.bi-hand-thumbs-up.fill {
  color: var(--color-rating-active);
}

.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/*# sourceMappingURL=static-bc666bfc.13a1f9d3.min.css.map*/