/*
* Nom du fichier : mosaique_styles.css
* Version : v7 - 14/11/2025
* 
* Modifications : v7 - Design moderne et clair unifié pour index et mosaique
* Style moderne, tendance, compatible mobile avec animations
*/

/* ============================================================================
   VARIABLES CSS - DESIGN MODERNE ET CLAIR
   ============================================================================ */

:root {
    /* Couleurs principales */
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --primary-light: #60A5FA;
    --secondary: #8B5CF6;
    --secondary-dark: #7C3AED;
    --accent: #EC4899;
    --accent-light: #F472B6;

    /* Couleurs de statut */
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #06B6D4;

    /* Couleurs de texte */
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;

    /* Couleurs de fond */
    --bg-main: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
    --bg-section: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-hover: #F9FAFB;
    --bg-drop-zone: #F9FAFB;
    --bg-drop-zone-hover: #EFF6FF;

    /* Dégradés */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
    --gradient-hero: linear-gradient(135deg, #EFF6FF 0%, #F5F3FF 50%, #FCE7F3 100%);

    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Rayons de bordure */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-colored: 0 10px 25px rgba(59, 130, 246, 0.2);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================================
   RESET ET BASE
   ============================================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-main);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   HEADER - Style pour index.php
   ============================================================================ */

.header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    transition: var(--transition-base);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: var(--transition-base);
    letter-spacing: -0.5px;
}

.logo:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-base);
    position: relative;
    font-size: 0.95rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link:hover::after {
    width: 100%;
}

.lang-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-flag {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-base);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-hover);
}

.lang-flag:hover {
    border-color: var(--primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.lang-flag.active {
    border-color: var(--primary);
    background: var(--bg-drop-zone-hover);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* ============================================================================
   HEADER MOSAIQUE - Style pour mosaique.php
   ============================================================================ */

.mosaic_header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border-bottom: 3px solid transparent;
    border-image: var(--gradient-primary) 1;
}

.mosaic_header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    font-weight: 800;
    letter-spacing: -1px;
}

.mosaic_subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 500;
}

/* ============================================================================
   HERO SECTION - index.php
   ============================================================================ */

.bg-animated {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--gradient-hero);
    overflow: hidden;
}

.bg-animated::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: bgMove 20s linear infinite;
}

@keyframes bgMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

.hero {
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-xl);
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    z-index: 10;
    position: relative;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out;
    letter-spacing: -2px;
    line-height: 1.1;
}

.hero p {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.2s both;
    font-weight: 500;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    margin-bottom: var(--spacing-lg);
}

/* ============================================================================
   BOUTONS
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--transition-slow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-colored);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-small,
.mosaic_btn_small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
}

/* Boutons spécifiques à mosaique.php */
.mosaic_btn_primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
}

.mosaic_btn_primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-colored);
}

.mosaic_btn_action,
.mosaic_btn_secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
}

.mosaic_btn_action:hover,
.mosaic_btn_secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.mosaic_btn_small {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.mosaic_btn_small:hover {
    background: var(--primary);
    color: white;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================================================
   BARRE DE PROGRESSION DES ÉTAPES
   ============================================================================ */

.mosaic_progress_steps {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: white;
    margin: var(--spacing-lg) auto;
    max-width: 800px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.mosaic_step {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: var(--transition-base);
}

.mosaic_step_number {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: #E5E7EB;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-light);
    transition: var(--transition-base);
}

.mosaic_step_label {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.mosaic_step_active .mosaic_step_number {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.15);
    box-shadow: var(--shadow-colored);
}

.mosaic_step_active .mosaic_step_label {
    color: var(--primary);
    font-weight: 700;
}

.mosaic_step_completed .mosaic_step_number {
    background: var(--success);
    color: white;
}

.mosaic_step_completed .mosaic_step_label {
    color: var(--success);
}

.mosaic_step_separator {
    width: 60px;
    height: 3px;
    background: #E5E7EB;
    margin: 0 var(--spacing-sm);
    border-radius: var(--radius-full);
}

.mosaic_step_completed+.mosaic_step_separator {
    background: var(--success);
}

/* ============================================================================
   CONTENEURS
   ============================================================================ */

.mosaic_container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.mosaic_section {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
    animation: fadeIn 0.5s ease-out;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mosaic_section h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mosaic_section h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.3rem;
    font-weight: 700;
}

/* ============================================================================
   ZONES D'UPLOAD
   ============================================================================ */

.mosaic_upload_zone {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    border: 2px dashed var(--primary-light);
    border-radius: var(--radius-xl);
    background: var(--bg-drop-zone);
    transition: var(--transition-base);
}

.mosaic_upload_zone:hover {
    border-color: var(--primary);
    background: var(--bg-drop-zone-hover);
}

.mosaic_drop_zone {
    border: 3px dashed var(--primary-light);
    border-radius: var(--radius-xl);
    padding: 60px 20px;
    text-align: center;
    background: white;
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.mosaic_drop_zone::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.05), transparent);
    transition: var(--transition-slow);
}

.mosaic_drop_zone:hover,
.mosaic_drop_zone_hover {
    border-color: var(--primary);
    background: var(--bg-drop-zone-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mosaic_drop_zone:hover::before {
    left: 100%;
}

.mosaic_upload_label {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.mosaic_upload_icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.mosaic_help_text {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #EFF6FF 0%, #E0E7FF 100%);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.mosaic_help_text strong {
    color: var(--primary);
    font-weight: 700;
}

/* ============================================================================
   PREVIEW IMAGE PRINCIPALE
   ============================================================================ */

.mosaic_preview_container {
    margin-top: var(--spacing-lg);
    text-align: center;
    position: relative;
    animation: scaleIn 0.3s ease-out;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.mosaic_crop_container {
    position: relative;
    display: inline-block;
    max-width: 100%;
    /* IMPORTANT: Le conteneur doit isoler l'overlay pour éviter qu'il déborde */
    isolation: isolate;
}

#mosaic_canvas_crop {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 3px solid white;
}

.mosaic_preview_container .mosaic_btn_remove_principale_overlay {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--danger);
    border: 3px solid white;
    color: white;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    z-index: 10;
    box-shadow: var(--shadow-lg);
}

.mosaic_preview_container .mosaic_btn_remove_principale_overlay:hover {
    background: #DC2626;
    transform: scale(1.1) rotate(90deg);
}

/* ============================================================================
   RECADRAGE
   ============================================================================ */

.mosaic_crop_overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    /* IMPORTANT: L'overlay reste contenu dans le crop_container */
}

.mosaic_crop_box {
    position: absolute;
    border: 3px solid var(--primary);
    /* Box-shadow assombrit uniquement l'extérieur du cadre de recadrage, PAS toute la page */
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.5), 0 0 0 9999px rgba(0, 0, 0, 0.6);
    pointer-events: all;
    cursor: move;
    z-index: 3;
}

.mosaic_crop_dark {
    position: absolute;
    background: rgba(0, 0, 0, 0.6);
    pointer-events: none;
    z-index: 2;
}

.mosaic_crop_handle {
    position: absolute;
    width: 20px;
    height: 20px;
    background: white;
    border: 3px solid var(--primary);
    border-radius: var(--radius-full);
    pointer-events: all;
    transition: var(--transition-base);
}

.mosaic_crop_handle:hover {
    background: var(--primary);
    transform: scale(1.3);
}

.mosaic_crop_handle_nw {
    top: -10px;
    left: -10px;
    cursor: nw-resize;
}

.mosaic_crop_handle_ne {
    top: -10px;
    right: -10px;
    cursor: ne-resize;
}

.mosaic_crop_handle_sw {
    bottom: -10px;
    left: -10px;
    cursor: sw-resize;
}

.mosaic_crop_handle_se {
    bottom: -10px;
    right: -10px;
    cursor: se-resize;
}

.mosaic_crop_controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

/* ============================================================================
   IMAGE MYSTÈRE
   ============================================================================ */

.mosaic_preview_mystere_wrapper {
    display: inline-block;
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.mosaic_preview_mystere_img {
    max-width: 300px;
    max-height: 300px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 3px solid white;
    transition: var(--transition-base);
}

.mosaic_preview_mystere_img:hover {
    transform: scale(1.05);
}

.mosaic_mystere_controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.mosaic_btn_mystere_control {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-base);
    font-size: 0.95rem;
}

.mosaic_btn_mystere_control:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================================================
   COLLECTION D'IMAGES
   ============================================================================ */

.mosaic_collection_preview {
    margin-top: var(--spacing-lg);
    animation: fadeIn 0.3s ease-out;
}

.mosaic_collection_header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-drop-zone);
    border-radius: var(--radius-md);
}

#mosaic_count_images {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.1rem;
}

.mosaic_thumbnails_grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
    max-height: 500px;
    overflow-y: auto;
    padding: var(--spacing-md);
    background: var(--bg-drop-zone);
    border-radius: var(--radius-md);
}

.mosaic_thumbnail {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    animation: scaleIn 0.3s ease-out;
    cursor: pointer;
}

.mosaic_thumbnail:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.mosaic_thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* Bouton de rotation */
.mosaic_thumbnail_rotate {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    border: none;
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.mosaic_thumbnail:hover .mosaic_thumbnail_rotate {
    opacity: 1;
}

.mosaic_thumbnail_rotate:hover {
    background: var(--primary);
    color: white;
    transform: rotate(90deg) scale(1.1);
}

/* Bouton de suppression */
.mosaic_thumbnail_remove,
.mosaic_btn_remove_thumbnail {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--danger);
    border: 3px solid white;
    color: white;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    opacity: 0;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.mosaic_thumbnail:hover .mosaic_thumbnail_remove,
.mosaic_thumbnail:hover .mosaic_btn_remove_thumbnail {
    opacity: 1;
}

.mosaic_thumbnail_remove:hover,
.mosaic_btn_remove_thumbnail:hover {
    background: #DC2626;
    transform: scale(1.15) rotate(90deg);
}

/* ============================================================================
   SLIDERS ET CONTRÔLES
   ============================================================================ */

.mosaic_action_zone {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.mosaic_btn_large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.mosaic_controls_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.mosaic_control_group {
    background: var(--bg-drop-zone);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.mosaic_control_group:hover {
    background: var(--bg-drop-zone-hover);
    box-shadow: var(--shadow-md);
}

.mosaic_control_label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1rem;
}

.mosaic_control_value {
    color: var(--primary);
    font-weight: 800;
    font-size: 1.1rem;
}

.mosaic_slider {
    width: 100%;
    height: 8px;
    border-radius: var(--radius-full);
    background: linear-gradient(to right, var(--primary-light), var(--primary));
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.mosaic_slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: white;
    border: 3px solid var(--primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.mosaic_slider::-webkit-slider-thumb:hover {
    transform: scale(1.3);
    box-shadow: var(--shadow-lg), var(--shadow-colored);
}

.mosaic_slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: white;
    border: 3px solid var(--primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.mosaic_slider::-moz-range-thumb:hover {
    transform: scale(1.3);
}

.mosaic_slider_help {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ============================================================================
   CONFIGURATION
   ============================================================================ */

.mosaic_config_group {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    background: var(--bg-drop-zone);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(59, 130, 246, 0.15);
    transition: var(--transition-base);
}

.mosaic_config_group:hover {
    border-color: var(--primary-light);
    background: var(--bg-drop-zone-hover);
}

.mosaic_config_group h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.mosaic_radio_group,
.mosaic_checkbox_group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mosaic_radio_label,
.mosaic_checkbox_label {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    border: 2px solid transparent;
    font-weight: 500;
}

.mosaic_radio_label:hover,
.mosaic_checkbox_label:hover {
    border-color: var(--primary);
    background: var(--bg-drop-zone-hover);
    transform: translateX(4px);
}

.mosaic_radio_label input,
.mosaic_checkbox_label input {
    margin-right: var(--spacing-md);
    cursor: pointer;
    width: 20px;
    height: 20px;
}

.mosaic_slider_group {
    margin-bottom: var(--spacing-lg);
}

.mosaic_slider_group label {
    display: block;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    color: var(--text-primary);
}

/* ============================================================================
   PROGRESSION
   ============================================================================ */

.mosaic_progress_container {
    padding: var(--spacing-xl);
    background: var(--bg-drop-zone);
    border-radius: var(--radius-xl);
}

.mosaic_progress_label {
    display: block;
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
}

.mosaic_progress_bar {
    width: 100%;
    height: 32px;
    background: #E5E7EB;
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.mosaic_progress_fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 15px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.mosaic_progress_percent {
    color: white;
    font-weight: 800;
    font-size: 1rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* ============================================================================
   LOADER
   ============================================================================ */

.mosaic_loader {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.mosaic_spinner {
    width: 60px;
    height: 60px;
    border: 5px solid #E5E7EB;
    border-top-color: var(--primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

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

.mosaic_loader p {
    margin-top: var(--spacing-lg);
    color: var(--text-secondary);
    font-weight: 600;
}

/* ============================================================================
   VISUALISATION DU RÉSULTAT
   ============================================================================ */

.mosaic_viewer_container {
    background: var(--bg-drop-zone);
    border: 2px solid var(--primary-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    max-height: 70vh;
    overflow: auto;
}

.mosaic_viewer_scroll {
    overflow: auto;
    max-height: 65vh;
}

#mosaic_canvas_resultat {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
}

.mosaic_viewer_controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

/* ============================================================================
   STATISTIQUES
   ============================================================================ */

.mosaic_stats_container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.mosaic_stat {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #EFF6FF 0%, #E0E7FF 100%);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid rgba(59, 130, 246, 0.2);
    transition: var(--transition-base);
}

.mosaic_stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.mosaic_stat_label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.mosaic_stat_value {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================================
   SECTIONS INDEX.PHP
   ============================================================================ */

.section-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.animation-container {
    width: 100%;
    max-width: 1200px;
    margin: var(--spacing-2xl) auto;
    padding: 0;
    /* L'animation gère son propre style de cadre */
}

/* Features */
.features {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: linear-gradient(135deg, #F9FAFB 0%, #EFF6FF 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-light);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    animation: bounce 2s infinite;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
    font-weight: 800;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-card h5 {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: var(--gradient-hero);
}

.cta-section h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--spacing-xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-cta-container {
    position: relative;
    display: inline-block;
}

.cursor-pointer {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    animation: bounce 1.5s infinite;
}

/* How It Works */
.how-it-works {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: white;
}

.how-it-works-content {
    max-width: 1000px;
    margin: 0 auto;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.step {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #EFF6FF 0%, #F5F3FF 100%);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-lg);
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 900;
    box-shadow: var(--shadow-colored);
}

.step p {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
}

/* Trust */
.trust {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: var(--gradient-hero);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.trust-item {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.trust-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.trust-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.trust-item h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
    font-weight: 800;
}

.trust-item p {
    color: var(--text-secondary);
}

/* Pricing */
.pricing {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: white;
}

.pricing-content {
    max-width: 600px;
    margin: 0 auto;
}

.pricing-card {
    background: linear-gradient(135deg, #EFF6FF 0%, #E0E7FF 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    text-align: center;
    border: 3px solid var(--primary);
}

.price {
    font-size: 4rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xl);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.pricing-features li {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--text-primary);
}

.pricing-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 900;
    margin-right: var(--spacing-sm);
    font-size: 1.2rem;
}

/* FAQ */
.faq {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: var(--gradient-hero);
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-xl);
}

.faq-question {
    padding: var(--spacing-xl);
    font-weight: 800;
    color: var(--text-primary);
    font-size: 1.1rem;
    cursor: pointer;
    background: linear-gradient(135deg, #F9FAFB 0%, #EFF6FF 100%);
}

.faq-answer {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Footer */
.footer,
.mosaic_footer {
    background: white;
    padding: var(--spacing-3xl) var(--spacing-lg);
    border-top: 3px solid transparent;
    border-image: var(--gradient-primary) 1;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.2rem;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-base);
    font-weight: 600;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: var(--spacing-sm);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 2px solid #E5E7EB;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.mosaic_footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-2xl);
}

/* ============================================================================
   UTILITIES
   ============================================================================ */

.mosaic_text_center {
    text-align: center;
}

.mosaic_hidden {
    display: none !important;
}

.mosaic_mt-small {
    margin-top: var(--spacing-sm);
}

.mosaic_mt-medium {
    margin-top: var(--spacing-lg);
}

.mosaic_mt-large {
    margin-top: var(--spacing-xl);
}

.mosaic_mb-small {
    margin-bottom: var(--spacing-sm);
}

.mosaic_mb-medium {
    margin-bottom: var(--spacing-lg);
}

.mosaic_mb-large {
    margin-bottom: var(--spacing-xl);
}

/* ============================================================================
   ACCESSIBILITÉ
   ============================================================================ */

*:focus {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 768px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }

    .header-content {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
    }

    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }

    .hero {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .mosaic_progress_steps {
        flex-wrap: wrap;
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .mosaic_step_separator {
        display: none;
    }

    .mosaic_section {
        padding: var(--spacing-lg);
    }

    .mosaic_controls_grid {
        grid-template-columns: 1fr;
    }

    .features-grid,
    .trust-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .mosaic_thumbnails_grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .mosaic_thumbnails_grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: var(--spacing-sm);
    }
}

/* ============================================================================
   ANIMATIONS SUPPLÉMENTAIRES
   ============================================================================ */

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

/* Effet de chargement skeleton */
.skeleton {
    background: linear-gradient(90deg, #F3F4F6 25%, #E5E7EB 50%, #F3F4F6 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Scroll smooth pour les ancres */
html {
    scroll-padding-top: 80px;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #F3F4F6;
    border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ============================================================================
   === BOUTONS ZOOM - ÉTAPE VISUALISATION (v17/11/2025) ===
   ============================================================================ */

/* Conteneur des boutons zoom */
.mosaic_zoom_controls,
#mosaic_zoom_controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

/* Styles de base pour les boutons zoom */
.mosaic_btn_zoom,
button[id*="zoom"],
#mosaic_btn_zoom_moins,
#mosaic_btn_zoom_normal,
#mosaic_btn_zoom_plus {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
    min-width: 140px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

/* Effet de survol */
.mosaic_btn_zoom:hover,
button[id*="zoom"]:hover,
#mosaic_btn_zoom_moins:hover,
#mosaic_btn_zoom_normal:hover,
#mosaic_btn_zoom_plus:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-colored);
}

/* Effet de clic */
.mosaic_btn_zoom:active,
button[id*="zoom"]:active,
#mosaic_btn_zoom_moins:active,
#mosaic_btn_zoom_normal:active,
#mosaic_btn_zoom_plus:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

/* Bouton actif */
.mosaic_btn_zoom.mosaic_btn_active,
button[id*="zoom"].mosaic_btn_active,
#mosaic_btn_zoom_moins.mosaic_btn_active,
#mosaic_btn_zoom_normal.mosaic_btn_active,
#mosaic_btn_zoom_plus.mosaic_btn_active {
    background: var(--primary-dark);
    box-shadow: var(--shadow-lg), 0 0 0 3px rgba(212, 165, 116, 0.3);
}

/* Bouton désactivé */
.mosaic_btn_zoom:disabled,
button[id*="zoom"]:disabled,
#mosaic_btn_zoom_moins:disabled,
#mosaic_btn_zoom_normal:disabled,
#mosaic_btn_zoom_plus:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Icônes pour les boutons (avec emojis ou caractères) */
.mosaic_btn_zoom::before,
#mosaic_btn_zoom_moins::before,
#mosaic_btn_zoom_normal::before,
#mosaic_btn_zoom_plus::before {
    margin-right: 0.5rem;
    font-size: 1.1em;
}

#mosaic_btn_zoom_moins::before {
    content: '🔍-';
}

#mosaic_btn_zoom_normal::before {
    content: '🔍';
}

#mosaic_btn_zoom_plus::before {
    content: '🔍+';
}

/* Style responsive pour petits écrans */
@media (max-width: 768px) {

    .mosaic_zoom_controls,
    #mosaic_zoom_controls {
        gap: 0.5rem;
    }

    .mosaic_btn_zoom,
    button[id*="zoom"],
    #mosaic_btn_zoom_moins,
    #mosaic_btn_zoom_normal,
    #mosaic_btn_zoom_plus {
        padding: 0.625rem 1.25rem;
        min-width: 100px;
        font-size: 0.9rem;
    }
}

/* Animation au chargement */
@keyframes zoomButtonAppear {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mosaic_zoom_controls>*,
#mosaic_zoom_controls>* {
    animation: zoomButtonAppear 0.3s ease-out forwards;
}

.mosaic_zoom_controls>*:nth-child(2),
#mosaic_zoom_controls>*:nth-child(2) {
    animation-delay: 0.1s;
}

.mosaic_zoom_controls>*:nth-child(3),
#mosaic_zoom_controls>*:nth-child(3) {
    animation-delay: 0.2s;
}

/* Animation pour l'image mystère */
.mosaic_mystere_highlight {
    position: absolute;
    pointer-events: none;
    z-index: 1000;
    border: 4px solid rgba(255, 215, 0, 0.9);
    box-shadow:
        0 0 20px rgba(255, 215, 0, 0.8),
        0 0 40px rgba(255, 215, 0, 0.6),
        inset 0 0 20px rgba(255, 215, 0, 0.3);
    background: rgba(255, 215, 0, 0.2);
    border-radius: 8px;
    animation: mystere-blink 1s ease-in-out infinite;
}

@keyframes mystere-blink {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
        box-shadow:
            0 0 20px rgba(255, 215, 0, 0.8),
            0 0 40px rgba(255, 215, 0, 0.6),
            inset 0 0 20px rgba(255, 215, 0, 0.3);
    }

    50% {
        opacity: 0.6;
        transform: scale(1.05);
        box-shadow:
            0 0 30px rgba(255, 215, 0, 1),
            0 0 60px rgba(255, 215, 0, 0.8),
            inset 0 0 30px rgba(255, 215, 0, 0.5);
    }
}

/* ============================================================================
   SÉLECTEUR DE LANGUE
   ============================================================================ */

.lang-switcher {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
    z-index: 1000;
}

.lang-flag {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all .3s ease;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.lang-flag:hover {
    border-color: var(--mosaic-color-primary);
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.lang-flag.active {
    border-color: var(--mosaic-color-primary);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, .2);
    background: #f9f4f0;
}