/* ==========================================================================
*  Fichier : timeline-center-side-V-1.0.css
*  Version : 1.0
    ========================================================================== */
/*
* Auteur : Emile SNYERS
* Date : 2025-06-22
----------------------------------------
*
* Emile SNYERS - Tous droits réservés - 2025
*
* 📢Toute utilisation nécessite une autorisation préalable du propriétaire (Emile SNYERS).
* 🚨Usage non commercial uniquement.
*
* Type d'utilisation autorisée: 
*   - Utilisation pour des projets éducatifs ou associatifs.
*   - Ne pas redistribuer sans autorisation.
*
* Critères d'attribution d'une autorisation: 
*   - Contribution à des projets éducatifs ou associatifs.
*   - L'entraide et le partage du savoir.
*   - Contribue à la promotion de l'éducation et de la culture.
*----------------------------------------
* ================================================================================
* Conditions d'utilisation : Uniquement à des fins éducatives ou associatives et non commerciales.
* Contact : emilesnyers@gmail.com
* Description :
*   Ce fichier CSS contient les styles pour les listes de fonctionnalités simples.
*   Il utilise un système de variables CSS pour assurer la cohérence des styles.
*   Examen par exemple de mettre en place le des plans de sites formelistes
*   pour les listes de fonctionnalités.
*   Il inclut des corrections pour les problèmes de couleurs et de responsive design.
* ================================================================================
*/


/* ====================================================================
   FRISE CHRONOLOGIQUE INTERACTIVE
==================================================================== */
/* ====================================================================
    FRISE CHRONOLOGIQUE INTERACTIVE
==================================================================== */

/*
 * Timeline Center Side - Main Container
 * A vertical timeline with alternating content positioning
 * Author: Emile SNYERS
 * 
 * This component creates an interactive timeline with items alternating
 * between left and right sides of a central line.
 */
.Emile-SNYERS-timeline-center-side-container {
     position: relative;
     padding: var(--spacing-xl) 0;
     margin: 0 auto;
     min-height: 500px; /* Hauteur minimale pour assurer la visibilité */
}

/* Ajout d'une ligne centrale */
.Emile-SNYERS-timeline-center-side-container::before {
     content: '';
     position: absolute;
     left: 50%;
     top: 0;
     bottom: 0;
     width: var(--timeline-line-width, 4px);
     background: linear-gradient(to bottom, var(--theme-primary), var(--theme-secondary));
     transform: translateX(-50%);
}

/*
 * Timeline Item
 * Each item in the timeline, containing content and marker
 */
.Emile-SNYERS-timeline-center-side-item {
     position: relative;
     margin-bottom: var(--spacing-3xl);
     display: flex;
     align-items: center;
}

/*
 * Odd-numbered items appear on the left side of the timeline
 */
.Emile-SNYERS-timeline-center-side-item:nth-child(odd) {
     flex-direction: row;
}

/*
 * Even-numbered items appear on the right side of the timeline
 */
.Emile-SNYERS-timeline-center-side-item:nth-child(even) {
     flex-direction: row-reverse;
}

/*
 * Timeline Content Container
 * The card that holds the timeline content
 */
.Emile-SNYERS-timeline-center-side-content {
     background: var(--theme-tertiary);
     padding: var(--spacing-lg);
     border-radius: var(--border-radius-lg);
     box-shadow: var(--theme-section-shadow);
     width: 45%;
     position: relative;
     transition: all var(--transition-speed) ease;
}

/*
 * Hover effect for content cards
 */
.Emile-SNYERS-timeline-center-side-content:hover {
     transform: translateY(-5px);
     box-shadow: var(--theme-card-shadow);
}

/*
 * Creates the triangle pointer from the content to the timeline
 */
.Emile-SNYERS-timeline-center-side-content::before {
     content: '';
     position: absolute;
     top: 50%;
     width: 0;
     height: 0;
     border: 15px solid transparent;
     transform: translateY(-50%);
}

/*
 * Triangle pointer for items on the left side
 */
.Emile-SNYERS-timeline-center-side-item:nth-child(odd) .Emile-SNYERS-timeline-center-side-content::before {
     right: -30px;
     border-left-color: var(--theme-tertiary);
}

/*
 * Triangle pointer for items on the right side
 */
.Emile-SNYERS-timeline-center-side-item:nth-child(even) .Emile-SNYERS-timeline-center-side-content::before {
     left: -30px;
     border-right-color: var(--theme-tertiary);
}

/*
 * Timeline Marker
 * The dot that appears on the timeline for each event
 */
.Emile-SNYERS-timeline-center-side-marker {
     width: 20px;
     height: 20px;
     background: var(--theme-primary);
     border: 4px solid var(--theme-tertiary);
     border-radius: var(--border-radius-full);
     position: absolute;
     left: 50%;
     transform: translateX(-50%);
     z-index: 10;
     transition: all var(--transition-speed) ease;
}

/*
 * Hover effect for timeline markers
 */
.Emile-SNYERS-timeline-center-side-marker:hover {
     transform: translateX(-50%) scale(1.3);
     background: var(--theme-accent);
}

/*
 * Date display for timeline events
 */
.Emile-SNYERS-timeline-center-side-date {
     font-size: var(--font-size-sm);
     font-weight: 600;
     color: var(--theme-primary);
     margin-bottom: var(--spacing-xs);
}

/*
 * Title for timeline events
 */
.Emile-SNYERS-timeline-center-side-title {
     font-size: var(--font-size-lg);
     font-weight: 600;
     margin-bottom: var(--spacing-sm);
}

/*
 * Description text for timeline events
 */
.Emile-SNYERS-timeline-center-side-description {
     line-height: 1.6;
     color: var(--theme-text);
     opacity: 0.9;
     margin-bottom: var(--spacing-md);
}

/* 
 * Media Content Container 
 * Wrapper for images, videos, and audio elements
 */
.Emile-SNYERS-timeline-center-side-media {
     margin: var(--spacing-md) 0;
     overflow: hidden;
     border-radius: var(--border-radius-md);
}

/*
 * Image styling within timeline items
 */
.Emile-SNYERS-timeline-center-side-image {
     width: 100%;
     height: auto;
     border-radius: var(--border-radius-md);
     transition: transform var(--transition-speed) ease;
     display: block;
}

/*
 * Image hover effect
 */
.Emile-SNYERS-timeline-center-side-image:hover {
     transform: scale(1.05);
}

/*
 * Audio element styling
 */
.Emile-SNYERS-timeline-center-side-audio {
     width: 100%;
     height: 40px;
     margin: var(--spacing-sm) 0;
     border-radius: var(--border-radius-sm);
}

/*
 * Video element styling
 */
.Emile-SNYERS-timeline-center-side-video {
     width: 100%;
     border-radius: var(--border-radius-md);
     max-height: 200px;
     object-fit: cover;
}

/*
 * Caption for media elements
 */
.Emile-SNYERS-timeline-center-side-caption {
     font-size: var(--font-size-xs);
     color: var(--theme-text);
     opacity: 0.8;
     text-align: center;
     margin-top: var(--spacing-xs);
     font-style: italic;
}

/*
 * Media positioning options
 * Controls where media appears in relation to text
 */
.Emile-SNYERS-timeline-center-side-media-before-title {
     order: -1;
     margin-bottom: var(--spacing-sm);
}

.Emile-SNYERS-timeline-center-side-media-after-title {
     order: 0;
     margin-top: var(--spacing-sm);
     margin-bottom: var(--spacing-sm);
}

.Emile-SNYERS-timeline-center-side-media-after-description {
     order: 1;
     margin-top: var(--spacing-sm);
}



/* ====================================================================*/
/* ADVANCED IMAGE HANDLING SYSTEM */
/* ====================================================================*/

/*
 * Image Container with Click Indicator
 * Creates a container for clickable images with zoom indicator
 */
.Emile-SNYERS-timeline-center-side-image-container {
     position: relative;
     overflow: hidden;
     cursor: zoom-in;
}

/*
 * Visual indicator for clickable images (magnifying glass)
 */
.Emile-SNYERS-timeline-center-side-image-container::after {
     content: '\1F50E'; /* Magnifying glass icon */
     position: absolute;
     top: 10px;
     right: 10px;
     background-color: var(--theme-primary);
     color: white;
     width: 30px;
     height: 30px;
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 14px;
     opacity: 0;
     transition: opacity var(--transition-speed) ease;
}

/*
 * Show indicator on hover
 */
.Emile-SNYERS-timeline-center-side-image-container:hover::after {
     opacity: 0.9;
}

/*
 * Lightbox Modal
 * Full screen overlay for displaying enlarged images
 */
.Emile-SNYERS-timeline-center-side-lightbox {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background-color: rgba(0, 0, 0, 0.9);
     display: flex;
     align-items: center;
     justify-content: center;
     z-index: var(--z-modal, 1000);
     opacity: 0;
     visibility: hidden;
     transition: opacity var(--transition-speed) ease, visibility var(--transition-speed) ease;
}

/*
 * Active state for the lightbox
 */
.Emile-SNYERS-timeline-center-side-lightbox.active {
     opacity: 1;
     visibility: visible;
}

/*
 * Lightbox Content Container
 * Organizes the space within the lightbox
 */
.Emile-SNYERS-timeline-center-side-lightbox-content {
  position: relative;
  width: 95vw;
  height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  /* Space for controls at bottom */
  padding-bottom: 80px;
}

/*
 * Style for extra large images
 */
.Emile-SNYERS-timeline-center-side-lightbox-image.large-image {
  width: 95vw;
  height: 85vh;
  object-fit: contain;
}

/*
 * Container for full-screen image display
 */
.Emile-SNYERS-timeline-center-side-lightbox-image-container {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 95vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

/*
 * Image within the lightbox
 */
.Emile-SNYERS-timeline-center-side-lightbox-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.3s ease;
  transform-origin: center;
  border-radius: var(--border-radius-lg);
  /* Minimum size to prevent tiny images */
  min-width: 70vw;
  min-height: 60vh;
}

/*
 * Caption within the lightbox
 */
.Emile-SNYERS-timeline-center-side-lightbox-caption {
  color: white;
  text-align: center;
  padding: 10px 20px;
  font-size: var(--font-size-sm);
  max-width: 95vw;
  background-color: rgba(0, 0, 0, 0.7);
  border-radius: var(--border-radius-md);
  margin-top: 10px;
  backdrop-filter: blur(10px);
  /* Height limit for caption */
  max-height: 8vh;
  overflow-y: auto;
}

/*
 * Top controls container for the lightbox
 */
.Emile-SNYERS-timeline-center-side-lightbox-controls {
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     padding: 15px;
     display: flex;
     justify-content: space-between;
     z-index: 1;
}

/*
 * Close button for the lightbox
 */
.Emile-SNYERS-timeline-center-side-lightbox-close {
     position: absolute;
     top: 15px;
     right: 15px;
     width: 40px;
     height: 40px;
     background-color: var(--theme-primary);
     border: none;
     border-radius: 50%;
     color: white;
     font-size: 20px;
     cursor: pointer;
     display: flex;
     align-items: center;
     justify-content: center;
     transition: all var(--transition-speed) ease;
     z-index: 2;
}

/*
 * Hover effect for close button
 */
.Emile-SNYERS-timeline-center-side-lightbox-close:hover {
     background-color: var(--theme-accent);
     transform: scale(1.1);
}

/*
 * Navigation container for previous/next buttons
 */
.Emile-SNYERS-timeline-center-side-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 0 30px;
  pointer-events: none;
  z-index: 9;
}

/*
 * Previous and Next navigation buttons
 */
.Emile-SNYERS-timeline-center-side-lightbox-prev,
.Emile-SNYERS-timeline-center-side-lightbox-next {
  background-color: rgba(0, 0, 0, 0.7);
  border: none;
  color: white;
  font-size: 24px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed) ease;
  pointer-events: auto;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/*
 * Hover effects for navigation buttons
 */
.Emile-SNYERS-timeline-center-side-lightbox-prev:hover,
.Emile-SNYERS-timeline-center-side-lightbox-next:hover {
  background-color: rgba(var(--theme-primary-rgb, 195, 155, 119), 0.9);
  transform: scale(1.1);
}

/*
 * Disabled state for navigation buttons
 */
.Emile-SNYERS-timeline-center-side-lightbox-prev:disabled,
.Emile-SNYERS-timeline-center-side-lightbox-next:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

/*
 * Image counter display
 */
.Emile-SNYERS-timeline-center-side-lightbox-counter {
  position: absolute;
  top: 20px;
  right: 20px;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 8px 15px;
  border-radius: 20px;
  font-size: var(--font-size-sm);
  backdrop-filter: blur(10px);
  z-index: 10;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/*
 * Zoom controls container
 */
.Emile-SNYERS-timeline-center-side-lightbox-zoom-controls {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: row;
  gap: 15px;
  z-index: 10;
  background-color: rgba(0, 0, 0, 0.6);
  padding: 10px 20px;
  border-radius: 25px;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/*
 * Zoom control buttons
 */
.Emile-SNYERS-timeline-center-side-lightbox-zoom-in,
.Emile-SNYERS-timeline-center-side-lightbox-zoom-out,
.Emile-SNYERS-timeline-center-side-lightbox-zoom-reset {
  width: 40px;
  height: 40px;
  background-color: rgba(var(--theme-primary-rgb, 195, 155, 119), 0.9);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed) ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/*
 * Hover effects for zoom buttons
 */
.Emile-SNYERS-timeline-center-side-lightbox-zoom-in:hover,
.Emile-SNYERS-timeline-center-side-lightbox-zoom-out:hover,
.Emile-SNYERS-timeline-center-side-lightbox-zoom-reset:hover {
  background-color: var(--theme-primary);
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

/*
 * Responsive adjustments for mobile devices
 */
@media (max-width: 768px) {
  .Emile-SNYERS-timeline-center-side-lightbox-zoom-controls {
        bottom: 15px;
        right: 15px;
        gap: 6px;
  }
  
  .Emile-SNYERS-timeline-center-side-lightbox-zoom-in,
  .Emile-SNYERS-timeline-center-side-lightbox-zoom-out,
  .Emile-SNYERS-timeline-center-side-lightbox-zoom-reset {
        width: 40px;
        height: 40px;
        font-size: 16px;
  }
}