/* ===== MODERN HEADER STYLES ===== */
:root {
    --primary-color: #00AAE4;
    --dark-bg: #1a1a1a;
    --light-bg: #ffffff;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --border-color: #e9ecef;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Header Container modern-logo*/
.modern-header {
    background: var(--light-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.modern-header.scrolled {
    border-bottom: 2px solid var(--primary-color);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.98);
}

/* Main Navigation modern-mobile-nav-item */
.modern-nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80px;
    position: relative;
}

/* Logo Section */
.modern-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
}

.modern-logo:hover {
    transform: translateY(-2px);
}

.modern-logo img {
    height: 80px;
    width: auto;
    transition: var(--transition);
}

/* Search Section */
.modern-search-container {
    position: relative;
}

.modern-search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-dark);
}

.modern-search-toggle:hover {
    border-color: var(--primary-color);
    background: rgba(0, 170, 228, 0.05);
    color: var(--primary-color);
    transform: scale(1.05);
}

.modern-search-toggle svg {
    width: 20px;
    height: 20px;
}

.modern-search-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 400px;
    background: var(--light-bg);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    padding: 0.5rem;
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1002;
}

.modern-search-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.modern-search-form {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
}

.modern-search-input {
    flex: 1;
    height: 44px;
    padding: 0 50px 0 20px;
    border: none;
    border-radius: 20px;
    background: #f8f9fa;
    font-size: 15px;
    transition: var(--transition);
    outline: none;
}

.modern-search-input:focus {
    background: var(--light-bg);
    box-shadow: 0 0 0 2px rgba(0, 170, 228, 0.2);
}

.modern-search-input::placeholder {
    color: var(--text-light);
}

.modern-search-close {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modern-search-close:hover {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}

.modern-search-close svg {
    width: 16px;
    height: 16px;
}

/* Navigation Links */
.modern-nav-links {
    display: flex;
    align-items: center;
    gap: 1.2rem; /* Réduit l'espace entre les éléments */
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap; /* Permet aux éléments de passer à la ligne si nécessaire */
    justify-content: center; /* Centre les éléments */
}

.modern-nav-item {
    position: relative;
}

.modern-nav-link {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.6rem 0.8rem;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

.modern-nav-link:hover {
    color: var(--primary-color);
    background: rgba(0, 170, 228, 0.05);
    transform: translateY(-1px);
}

.modern-nav-link svg {
    width: 18px;
    height: 18px;
    transition: var(--transition);
}

/* User Actions */
.modern-user-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.modern-auth-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
}

.modern-auth-link:hover {
    background: #0088b8;
    border-color: #0088b8;
    transform: translateY(-1px);
}

.modern-auth-link.logout {
    background: #dc3545;
    border-color: #dc3545;
}

.modern-auth-link.logout:hover {
    background: #c82333;
    border-color: #c82333;
}

.modern-auth-link svg {
    width: 18px;
    height: 18px;
}

/* Icon Links */
.modern-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.modern-icon-link:hover {
    border-color: var(--primary-color);
    background: rgba(0, 170, 228, 0.05);
    color: var(--primary-color);
    transform: scale(1.05);
}

.modern-icon-link.logout:hover {
    border-color: #dc3545;
    background: rgba(220, 53, 69, 0.05);
    color: #dc3545;
}

.modern-icon-link svg {
    width: 20px;
    height: 20px;
    transition: var(--transition);
}



/* Mobile Menu Toggle */
.modern-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition);
}

.modern-mobile-toggle:hover {
    background: rgba(0, 170, 228, 0.1);
}

.modern-mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

.modern-mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.modern-mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.modern-mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Sub Menu */
.modern-submenu {
    background: #f8f9fa;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    display: none;
    position: relative;
    z-index: 999;
}

.modern-submenu.active {
    display: block;
    animation: slideDown 0.3s ease-out;
}

.modern-submenu-nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.modern-submenu-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    max-width: 1400px;
    margin: 0 auto;
}

.modern-submenu-item {
    position: relative;
    border-right: 1px solid var(--border-color);
    margin: 0 0.1rem;
}

.modern-submenu-item:last-child {
    border-right: none;
}

.modern-submenu-link {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.6rem;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2px;
    font-size: 0.85rem;
    position: relative;
    transition: color 0.3s ease;
}

.modern-submenu-link:hover {
    color: var(--primary-color);
    background: rgba(0, 170, 228, 0.08);
    text-decoration: none;
}

.modern-submenu-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.modern-submenu-link:hover:after {
    width: 80%;
}

/* Special highlight for Grand Salon Entrepreneurial */
.modern-submenu-highlight {
    background: linear-gradient(135deg, rgba(0, 170, 228, 0.1), rgba(255, 193, 7, 0.1));
    border-radius: 8px;
    margin: 0 0.5rem;
    position: relative;
    overflow: hidden;
}

.modern-submenu-highlight:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.modern-submenu-highlight:hover:before {
    left: 100%;
}

.modern-submenu-special {
    color: #d63384;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.modern-submenu-special:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--primary-color), #d63384);
    transform: translateY(-2px);
}

.modern-submenu-special:after {
    background: linear-gradient(135deg, var(--primary-color), #d63384);
}

.modern-submenu-special svg {
    color: #ffc107;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Dropdown Menus */
.modern-dropdown {
    position: relative;
}

/* Menu déroulant multi-colonnes */
.modern-dropdown-multi-column {
    position: relative;
}

.modern-dropdown-multi-column .modern-dropdown-menu {
    width: auto;
    min-width: 600px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding: 1rem;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
}

.modern-dropdown-multi-column:hover .modern-dropdown-menu,
.modern-dropdown-multi-column .modern-dropdown-menu:hover {
    transform: translateX(-50%) translateY(0);
}

/* Mega menu - pour encore plus d'éléments */
.modern-mega-menu {
    position: relative;
}

.modern-mega-menu .modern-dropdown-menu {
    width: 100vw;
    max-width: 1200px;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 1.5rem;
    gap: 1rem;
}

.modern-mega-menu:hover .modern-dropdown-menu,
.modern-mega-menu .modern-dropdown-menu:hover {
    transform: translateX(-50%) translateY(0);
}

.modern-mega-menu-column {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.modern-mega-menu-featured {
    grid-column: span 2;
    background: rgba(0, 170, 228, 0.05);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.modern-mega-menu-featured-title {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.modern-mega-menu-featured-content {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.modern-mega-menu-featured-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

.modern-mega-menu-featured-text {
    font-size: 0.85rem;
    color: var(--text-color);
    line-height: 1.4;
}

.modern-dropdown-category {
    padding: 0.5rem 1rem;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modern-dropdown-group {
    padding: 0.5rem;
    margin-bottom: 0.5rem;
}

.modern-dropdown-group-title {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.85rem;
    padding: 0.25rem 0.75rem;
    margin-bottom: 0.25rem;
}

.modern-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--light-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    z-index: 1000;
    padding: 0.75rem 0;
    pointer-events: none;
    box-shadow: var(--shadow-medium);
    max-height: calc(100vh - 150px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--light-bg);
}

.modern-dropdown:hover .modern-dropdown-menu,
.modern-dropdown-menu:hover,
.modern-dropdown .modern-nav-link:focus + .modern-dropdown-menu,
.modern-dropdown .modern-nav-link:focus-within + .modern-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* Amélioration de l'accessibilité pour la navigation au clavier */
.modern-dropdown-item:focus-visible,
.modern-dropdown-link:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: -2px;
    background: rgba(0, 170, 228, 0.08);
}

/* Zone tampon pour stabiliser le dropdown */
.modern-dropdown::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 10px;
    background: transparent;
    z-index: 999;
}

/* Styles spécifiques pour les dropdowns du sous-menu */
.modern-submenu .modern-dropdown {
    position: relative;
}

.modern-submenu .modern-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    z-index: 1000;
    padding: 0.5rem 0;
    pointer-events: none;
}

.modern-submenu .modern-dropdown:hover .modern-dropdown-menu,
.modern-dropdown .modern-dropdown-menu:hover,
.modern-dropdown .modern-nav-link:focus + .modern-dropdown-menu,
.modern-dropdown .modern-nav-link:focus-within + .modern-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.modern-submenu .modern-dropdown-link {
    display: block;
    padding: 0.6rem 1rem;
    color: #495057;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease;
    border-radius: 0;
    margin: 0;
}

.modern-submenu .modern-dropdown-link:hover {
    background: #f8f9fa;
    color: #00AAE4;
    text-decoration: none;
}

/* Éviter les conflits avec les animations du sous-menu */
.modern-submenu .modern-dropdown::before {
    display: none;
}

/* Stabiliser les dropdowns avec un délai */
.modern-submenu .modern-dropdown {
    transition: none;
}

.modern-submenu .modern-dropdown:hover {
    transition: none;
}

/* Empêcher les animations concurrentes */
.modern-submenu .modern-dropdown-menu * {
    transition: background-color 0.15s ease, color 0.15s ease;
}

.modern-dropdown-item {
    list-style: none;
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    transition: background-color 0.2s ease, transform 0.2s ease;
    font-size: 0.9rem;
    gap: 0.5rem;
    border-radius: 4px;
    margin: 0 0.5rem;
}

.modern-dropdown-item:hover {
    background: rgba(0, 170, 228, 0.08);
    color: var(--primary-color);
    transform: translateX(3px);
}

.modern-dropdown-item i,
.modern-dropdown-item svg {
    width: 16px;
    height: 16px;
    color: var(--primary-color);
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.modern-dropdown-item:hover i,
.modern-dropdown-item:hover svg {
    opacity: 1;
}

.modern-dropdown-link {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.modern-dropdown-link:hover {
    background: rgba(0, 170, 228, 0.08);
    color: var(--primary-color);
    text-decoration: none;
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInFromLeft {
    from {
        transform: translateX(-30px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutToLeft {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(-30px);
        opacity: 0;
    }
}

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

/* Hide mobile menu on desktop and tablets */
@media (min-width: 768px) {
    .modern-mobile-menu,
    .modern-mobile-overlay {
        display: none !important;
    }
}

/* Large Desktop - 1400px+ */
@media (min-width: 1400px) {
    .modern-nav {
        padding: 0 3rem;
    }
    
    .modern-search {
        max-width: 600px;
        margin: 0 4rem;
    }
}

/* Desktop - 1200px to 1399px */
@media (max-width: 1399px) {
    .modern-nav {
        padding: 0 2rem;
    }
    
    .modern-search-dropdown {
        width: 350px;
    }
    
    .modern-nav-links {
        gap: 1.5rem;
    }
}

/* Tablet Large - 992px to 1199px */
@media (max-width: 1199px) {
    .modern-nav {
        padding: 0 1.5rem;
        min-height: 75px;
    }
    
    .modern-search-dropdown {
        width: 320px;
    }
    
    .modern-nav-links {
        gap: 1rem;
    }
    
    .modern-nav-link {
        padding: 0.6rem 0.8rem;
        font-size: 13px;
    }
    
    .modern-auth-link {
        padding: 0.6rem 1.2rem;
        font-size: 13px;
    }
    
    /* Submenu adjustments */
    .modern-submenu-nav {
        padding: 0 1.5rem;
    }
    
    .modern-submenu-link {
        padding: 0.6rem 1.2rem;
        font-size: 13px;
    }
}

/* Tablet - 768px to 991px */
@media (max-width: 991px) {
    .modern-nav {
        padding: 0 1rem;
        min-height: 70px;
    }
    
    /* Ajustement des menus multi-colonnes pour tablettes */
    .modern-dropdown-multi-column .modern-dropdown-menu {
        min-width: 450px;
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Ajustement des mega-menus pour tablettes */
    .modern-mega-menu .modern-dropdown-menu {
        max-width: 90vw;
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modern-mega-menu-featured {
        grid-column: span 1;
    }
    
    .modern-search-dropdown {
        width: 280px;
    }
    
    .modern-search-input {
        height: 44px;
        font-size: 14px;
    }
    
    .modern-nav-links {
        gap: 0.8rem;
    }
    
    .modern-nav-link {
        padding: 0.5rem 0.7rem;
        font-size: 12px;
    }
    
    .modern-auth-link {
        padding: 0.5rem 1rem;
        font-size: 12px;
    }
    
    .modern-logo img {
        height: 45px;
    }
    
    /* Submenu for tablet */
    .modern-submenu-nav {
        padding: 0 1rem;
    }
    
    .modern-submenu-list {
        gap: 0;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .modern-submenu-item {
        flex-shrink: 0;
        border-right: 1px solid var(--border-color);
    }
    
    .modern-submenu-link {
        padding: 0.6rem 1rem;
        font-size: 12px;
        white-space: nowrap;
    }
}

/* Mobile Large - 576px to 767px */
@media (max-width: 767px) {
    /* Hide desktop elements */
    .modern-search-container,
    .modern-nav-links {
        display: none;
    }
    
    /* Ajustement des menus multi-colonnes pour mobile */
    .modern-dropdown-multi-column .modern-dropdown-menu {
        min-width: 100%;
        grid-template-columns: 1fr;
        left: 0;
        transform: translateX(0) translateY(-8px);
    }
    
    .modern-dropdown-multi-column:hover .modern-dropdown-menu,
    .modern-dropdown-multi-column .modern-dropdown-menu:hover {
        transform: translateX(0) translateY(0);
    }
    
    /* Ajustement des mega-menus pour mobile */
    .modern-mega-menu .modern-dropdown-menu {
        min-width: 100%;
        max-width: 100%;
        grid-template-columns: 1fr;
        left: 0;
        transform: translateX(0) translateY(-8px);
        padding: 1rem;
    }
    
    .modern-mega-menu:hover .modern-dropdown-menu,
    .modern-mega-menu .modern-dropdown-menu:hover {
        transform: translateX(0) translateY(0);
    }
    
    .modern-mega-menu-featured-content {
        flex-direction: column;
    }
    
    .modern-mega-menu-featured-image {
        width: 100%;
        height: auto;
        max-height: 120px;
    }
    
    /* Mobile Menu Overlay */
    .modern-mobile-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
    }
    
    .modern-mobile-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    /* Show mobile toggle */
    .modern-mobile-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 44px;
        height: 44px;
        background: transparent;
        border: none;
        border-radius: 8px;
        cursor: pointer;
        transition: var(--transition);
        padding: 8px;
        gap: 4px;
        z-index: 1001;
    }
    
    .modern-mobile-toggle:hover {
        background: rgba(0, 170, 228, 0.05);
    }
    
    .modern-mobile-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--text-dark);
        border-radius: 2px;
        transition: var(--transition);
        transform-origin: center;
    }
    
    .modern-mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(6px);
    }
    
    .modern-mobile-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }
    
    .modern-mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-6px);
    }
    
    .modern-nav {
        min-height: 65px;
        padding: 0 1rem;
        position: relative;
    }
    
    .modern-logo img {
        height: 42px;
    }
    
    .modern-user-actions {
        gap: 0.5rem;
    }
    
    .modern-auth-link {
        padding: 0.5rem 1rem;
        font-size: 12px;
        border-radius: 20px;
    }
    
    /* Mobile Toggle Button - Styles déjà définis plus haut */
    
    /* Styles des spans déjà définis plus haut */
    
    /* Le bouton est déjà configuré pour s'afficher en flex */
    
    /* Mobile Overlay .modern-logo img*/
    .modern-mobile-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 1000;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        pointer-events: none;
    }
    
    .modern-mobile-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    /* Menu mobile */
    .modern-mobile-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--primary-color);
        padding: 20px 1rem 1rem;
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.3s ease, visibility 0.3s ease;
        z-index: 1001;
        box-shadow: 2px 0 20px rgba(0, 0, 0, 0.15);
        will-change: transform, opacity, visibility;
        overflow-y: auto;
        border-right: 1px solid var(--border-color);
        display: flex;
        flex-direction: column;
    }
    
    .modern-mobile-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
        animation: slideIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        display: block;
    }
    /* .modern-mobile-logo img */
    @keyframes slideIn {
        0% {
            transform: translateX(-100%);
            opacity: 0;
        }
        100% {
            transform: translateX(0);
            opacity: 1;
        }
    }
    
    .modern-mobile-nav {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        height: auto;
        flex: 1;
    }
    
    .modern-mobile-nav-item {
        margin-bottom: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        padding: 0.2rem 22px;
        width: 100%;
    }
    
    .modern-mobile-nav-item:last-child {
        border-bottom: none;
        margin-bottom: 0;
    }
    
    .modern-mobile-nav-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 1rem 0.5rem;
        color: white;
        text-decoration: none;
        border-radius: 8px;
        transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        font-size: 16px;
        width: 100%;
        min-height: 50px;
        transform: translateX(-20px);
        opacity: 0;
    }
    
    /* Icône pour indiquer les sous-menus */
    .modern-mobile-nav-link .dropdown-icon {
        width: 24px;
        height: 24px;
        transition: transform 0.3s ease;
        opacity: 0.7;
    }
    
    .modern-mobile-nav-link.active .dropdown-icon {
        transform: rotate(180deg);
        opacity: 1;
    }
    
    .modern-mobile-menu.active .modern-mobile-nav-link {
        animation: slideInFromLeft 0.5s ease-out forwards;
    }
    
    .modern-mobile-menu.active .modern-mobile-nav-item:nth-child(1) .modern-mobile-nav-link {
        animation-delay: 0.1s;
    }
    
    .modern-mobile-menu.active .modern-mobile-nav-item:nth-child(2) .modern-mobile-nav-link {
        animation-delay: 0.2s;
    }
    
    .modern-mobile-menu.active .modern-mobile-nav-item:nth-child(3) .modern-mobile-nav-link {
        animation-delay: 0.3s;
    }
    
    .modern-mobile-menu.active .modern-mobile-nav-item:nth-child(4) .modern-mobile-nav-link {
        animation-delay: 0.4s;
    }
    
    .modern-mobile-menu.active .modern-mobile-nav-item:nth-child(5) .modern-mobile-nav-link {
        animation-delay: 0.5s;
    }
    
    .modern-mobile-menu.active .modern-mobile-nav-item:nth-child(6) .modern-mobile-nav-link {
        animation-delay: 0.6s;
    }
    
    .modern-mobile-menu.active .modern-mobile-nav-item:nth-child(7) .modern-mobile-nav-link {
        animation-delay: 0.7s;
    }
    
    .modern-mobile-menu.active .modern-mobile-nav-item:nth-child(8) .modern-mobile-nav-link {
        animation-delay: 0.8s;
    }
    
    /* Logo dans le menu mobile */
    .modern-mobile-logo {
        display: flex;
        justify-content: center;
        margin-bottom: 1.5rem;
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        animation: fadeIn 0.8s ease-in-out forwards;
        opacity: 0;
    }
    
    .modern-mobile-menu.active .modern-mobile-logo {
        animation: fadeIn 0.6s ease-in-out 0.2s forwards;
    }
    
    .modern-mobile-logo img {
        max-width: 40%;
        height: auto;
        filter: brightness(0) invert(1);
        transition: transform 0.3s ease;
    }
    
    .modern-mobile-logo img:hover {
        transform: scale(1.05);
    }
    
    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .modern-mobile-nav-link:hover,
    .modern-mobile-nav-link:focus-visible {
        background: rgba(255, 255, 255, 0.2);
        color: white;
        transform: translateX(8px);
        outline: none;
    }
    
    .modern-mobile-nav-link:focus-visible {
        box-shadow: 0 0 0 2px var(--primary-color);
        border-radius: 4px;
    }
    
    /* Styles pour l'icône de flèche déroulante */
    .dropdown-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-left: auto;
        transition: transform 0.3s ease;
    }
    
    .dropdown-icon svg {
        width: 18px;
        height: 18px;
        stroke: currentColor;
        stroke-width: 2;
    }
    
    .modern-mobile-nav-link.active .dropdown-icon {
        transform: rotate(180deg);
    }
    
    /* Styles pour les liens avec sous-menus */
    .modern-mobile-nav-link.has-dropdown {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    /* Mobile Submenu */
    .modern-mobile-submenu {
        padding: 0;
        margin: 0;
        list-style: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, margin 0.3s ease;
        background-color: rgba(0, 0, 0, 0.03);
        border-radius: 8px;
        margin-left: 1rem;
        opacity: 0;
        transform: translateY(-10px);
    }
    
    .modern-mobile-submenu.active {
        max-height: 500px;
        margin-top: 0.5rem;
        margin-bottom: 0.5rem;
        opacity: 1;
        transform: translateY(0);
        transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease, transform 0.4s ease, margin 0.3s ease;
    }
    
    @media (prefers-reduced-motion: reduce) {
        .modern-mobile-submenu {
            transition: max-height 0.1s linear, opacity 0.1s linear;
            transform: none;
        }
        
        .modern-mobile-submenu.active {
            transition: max-height 0.1s linear, opacity 0.1s linear;
            transform: none;
        }
    }
    
    .modern-mobile-submenu-item {
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .modern-mobile-submenu-item:last-child {
        border-bottom: none;
    }
    
    .modern-mobile-submenu-link {
        display: flex;
        align-items: center;
        padding: 0.75rem 1rem;
        color: var(--text-dark);
        text-decoration: none;
        font-size: 14px;
        transition: all 0.3s ease;
        position: relative;
    }
    
    .modern-mobile-submenu-link:before {
        content: '';
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background-color: var(--primary-color);
        margin-right: 10px;
        opacity: 0.5;
        transition: all 0.3s ease;
    }
    
    .modern-mobile-submenu-link:hover {
        color: var(--primary-color);
        background-color: rgba(0, 170, 228, 0.05);
        padding-left: 1.25rem;
    }
    
    .modern-mobile-submenu-link:hover:before {
        opacity: 1;
    }
    
    /* Accessibilité pour la navigation au clavier */
    .modern-mobile-submenu-link:focus-visible {
        outline: 2px solid var(--primary-color);
        outline-offset: -2px;
        background-color: rgba(0, 170, 228, 0.05);
    }
    
    /* Indicateur visuel pour les liens actifs */
    .modern-mobile-nav-link.active {
        background-color: rgba(0, 170, 228, 0.1);
        color: var(--primary-color);
        font-weight: 500;
    }
    
    /* Animation pour les items du sous-menu */
    .modern-mobile-submenu.active .modern-mobile-submenu-item {
        animation: fadeInDown 0.3s ease forwards;
        opacity: 0;
    }
    
    .modern-mobile-submenu.active .modern-mobile-submenu-item:nth-child(1) {
        animation-delay: 0.05s;
    }
    
    .modern-mobile-submenu.active .modern-mobile-submenu-item:nth-child(2) {
        animation-delay: 0.1s;
    }
    
    .modern-mobile-submenu.active .modern-mobile-submenu-item:nth-child(3) {
        animation-delay: 0.15s;
    }
    
    .modern-mobile-submenu.active .modern-mobile-submenu-item:nth-child(4) {
        animation-delay: 0.2s;
    }
    
    .modern-mobile-submenu.active .modern-mobile-submenu-item:nth-child(5) {
        animation-delay: 0.25s;
    }
    
    @keyframes fadeInDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    @media (prefers-reduced-motion: reduce) {
        .modern-mobile-submenu.active .modern-mobile-submenu-item {
            animation: none;
            opacity: 1;
        }
    }
    
    /* Styles pour les sous-menus du menu principal */
    .modern-submenu {
        padding: 0.5rem 0;
    }
    
    .modern-submenu-nav {
        padding: 0 1rem;
    }
    
    .modern-submenu-list {
        flex-direction: column;
        gap: 0;
        align-items: stretch;
    }
    
    .modern-submenu-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        width: 100%;
    }
    
    .modern-submenu-item:last-child {
        border-bottom: none;
    }
    
    .modern-submenu-link {
        padding: 0.75rem 1rem;
        font-size: 13px;
        justify-content: space-between;
    }
    
    .modern-submenu-link:after {
        display: none;
    }
    
    .modern-submenu-link:hover {
        background: rgba(0, 170, 228, 0.08);
        transform: translateX(5px);
    }
    
    /* Mobile Dropdown */
    .modern-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        border: none;
        border-radius: 0;
        background: #f1f3f4;
        margin-top: 0.5rem;
        padding: 0;
    }
    
    .modern-dropdown:hover .modern-dropdown-menu {
        display: block;
    }
    
    .modern-dropdown-link {
        padding: 0.5rem 1.5rem;
        font-size: 12px;
        border-bottom: 1px solid #e0e0e0;
    }
    
    .modern-dropdown-link:hover {
        background: rgba(0, 170, 228, 0.05);
        transform: translateX(3px);
    }
}

/* Mobile Medium - 480px to 575px */
@media (max-width: 575px) {
    .modern-nav {
        padding: 0 0.75rem;
        min-height: 60px;
    }

    .modern-icon-link {
        display: none;
    }
    
    .modern-logo img {
        height: 65px !important;
    }
    
    .modern-auth-link {
        padding: 0.3rem 0.6rem;
        font-size: 10px;
    }
    
    .modern-mobile-menu {
        padding: 0.75rem;
    }
    
    .modern-mobile-nav-link {
        font-size: 12px;
        padding: 0.5rem 0.25rem;
    }
    
    .modern-submenu-link {
        font-size: 11px;
        padding: 0.5rem 0.75rem;
    }
    
    .modern-nav-link {
        font-size: 12px;
        padding: 0.5rem 0.8rem;
    }
    
    .modern-search-input {
        font-size: 13px;
        height: 40px;
    }
    
    .modern-dropdown-link {
        font-size: 11px;
        padding: 0.4rem 1rem;
    }
}

/* Mobile Small - 320px to 479px */
@media (max-width: 479px) {
    .modern-nav {
        padding: 0 0.5rem;
        min-height: 50px;
    }
    
    .modern-logo img {
        height: 32px;
    }
    
    .modern-auth-link {
        padding: 0.25rem 0.5rem;
        font-size: 9px;
        gap: 0.2rem;
    }
    
    .modern-auth-link svg {
        width: 12px;
        height: 12px;
    }
    
    .modern-mobile-toggle {
        padding: 0.2rem;
    }
    
    .modern-mobile-toggle span {
        width: 18px;
        height: 2px;
    }
    
    .modern-mobile-menu {
        padding: 0.5rem;
    }
    
    .modern-mobile-nav-link {
        font-size: 11px;
        padding: 0.4rem 0;
    }
    
    .modern-submenu-link {
        font-size: 10px;
        padding: 0.4rem;
    }
    
    .modern-nav-link {
        font-size: 11px;
        padding: 0.4rem 0.6rem;
    }
    
    .modern-search-input {
        font-size: 12px;
        height: 38px;
    }
    
    .modern-dropdown-link {
        font-size: 9px;
        padding: 0.3rem 0.8rem;
    }
    
    .modern-logo span {
        font-size: 14px;
    }
    
    .modern-logo-text {
        font-size: 12px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus States */
.modern-nav-link:focus,
.modern-auth-link:focus,
.modern-search-input:focus {
    outline: none;
}

.modern-mobile-toggle:focus {
    outline: none;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000;
        --text-light: #333;
    }
}

/* Animation pour l'étoile scintillante du Grand Salon */
@keyframes sparkle {
    0%, 100% { 
        transform: scale(1) rotate(0deg);
        opacity: 1;
        filter: brightness(1) hue-rotate(0deg);
    }
    25% { 
        transform: scale(1.3) rotate(90deg);
        opacity: 0.8;
        filter: brightness(1.8) hue-rotate(60deg);
    }
    50% { 
        transform: scale(0.7) rotate(180deg);
        opacity: 1;
        filter: brightness(2.2) hue-rotate(120deg);
    }
    75% { 
        transform: scale(1.1) rotate(270deg);
        opacity: 0.9;
        filter: brightness(1.5) hue-rotate(180deg);
    }
}
/* .modern-logo img */