/* ========== VARIABLES CSS ========== */
:root {
    /* Couleurs principales */
    --primary: #8B5CF6;
    --primary-dark: #7C3AED;
    --primary-light: #A78BFA;
    --secondary: #EC4899;
    --accent: #F59E0B;
    
    /* Couleurs de statut */
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    
    /* Couleurs neutres */
    --white: #FFFFFF;
    --black: #000000;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Couleurs spéciales */
    --gold: #FCD34D;
    --danger: #DC2626;
    
    /* Espacement */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Rayons de bordure */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Largeurs */
    --container-width: 1200px;
}

/* ========== RESET & BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* ========== CONTENEUR ========== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ========== NAVIGATION ========== */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.logo i {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--gray-700);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-link:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.nav-link i {
    margin-right: var(--spacing-xs);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Icônes de navigation */
.nav-icon {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--gray-600);
    transition: var(--transition);
}

.nav-icon:hover {
    background: var(--gray-100);
    color: var(--primary);
}

/* Notifications */
.notification-dropdown {
    position: relative;
}

.notification-btn {
    position: relative;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    color: var(--gray-600);
    transition: var(--transition);
}

.notification-btn:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.notification-btn .badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--error);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    min-width: 18px;
}

/* Dropdown menus */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 320px;
    max-height: 500px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.dropdown-header h4 {
    font-size: 1rem;
    color: var(--gray-800);
}

.dropdown-header .count {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.notifications-list {
    max-height: 400px;
    overflow-y: auto;
}

.notification-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}

.notification-item:hover {
    background: var(--gray-50);
}

.notif-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--primary-light);
    color: var(--primary);
    flex-shrink: 0;
}

.notif-content h5 {
    font-size: 0.875rem;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.notif-content p {
    font-size: 0.813rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xs);
}

.notif-content .time {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.no-notifications {
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--gray-500);
}

.no-notifications i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.view-all {
    display: block;
    padding: var(--spacing-md);
    text-align: center;
    color: var(--primary);
    font-weight: 600;
    border-top: 1px solid var(--gray-200);
}

/* Menu utilisateur */
.user-dropdown {
    position: relative;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.user-btn:hover {
    background: var(--gray-100);
}

.user-btn .avatar {
    width: 35px;
    height: 35px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--primary-light);
}

.user-btn .username {
    font-weight: 600;
    color: var(--gray-700);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    color: var(--gray-700);
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.dropdown-item i {
    width: 20px;
}

.dropdown-item.text-danger {
    color: var(--error);
}

.dropdown-item.text-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

/* Menu mobile */
.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--gray-700);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    transition: var(--transition);
    overflow-y: auto;
}

.mobile-menu.show {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.close-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--gray-700);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu-content {
    padding: var(--spacing-lg);
}

.mobile-user-info {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.mobile-user-info .avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.mobile-user-info h4 {
    font-size: 1rem;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.subscription-status {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.mobile-nav-list {
    list-style: none;
}

.mobile-nav-list li {
    margin-bottom: var(--spacing-sm);
}

.mobile-nav-list a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--gray-700);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.mobile-nav-list a:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.mobile-nav-list hr {
    margin: var(--spacing-md) 0;
    border: none;
    border-top: 1px solid var(--gray-200);
}

/* ========== BOUTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--white);
}

.btn-secondary:hover {
    background: #DB2777;
}

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

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

.btn-gold {
    background: var(--gold);
    color: var(--gray-900);
}

.btn-gold:hover {
    background: #FCD34D;
    filter: brightness(0.95);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover {
    background: var(--gray-100);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========== MESSAGES FLASH ========== */
.flash-message {
    position: fixed;
    top: 80px;
    right: var(--spacing-lg);
    z-index: 9999;
    animation: slideIn 0.3s ease;
}

.flash-message .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 300px;
}

.flash-success {
    border-left: 4px solid var(--success);
    color: var(--success);
}

.flash-error {
    border-left: 4px solid var(--error);
    color: var(--error);
}

.flash-warning {
    border-left: 4px solid var(--warning);
    color: var(--warning);
}

.flash-info {
    border-left: 4px solid var(--info);
    color: var(--info);
}

.close-flash {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--gray-500);
    margin-left: auto;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

/* ========== CONTENU PRINCIPAL ========== */
.main-content {
    min-height: calc(100vh - 400px);
    padding: var(--spacing-2xl) 0;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--gray-400);
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: var(--gray-400);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-section ul li a:hover {
    color: var(--primary-light);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    color: var(--gray-300);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.help-resources {
    background: var(--gray-800);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.help-resources p {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.help-resources strong {
    color: var(--white);
}

.help-note {
    display: flex;
    gap: var(--spacing-sm);
    background: rgba(251, 191, 36, 0.1);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    color: var(--warning);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-lg);
}

.footer-bottom-content {
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.made-with {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

/* ========== BOUTON RETOUR EN HAUT ========== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* ========== BANNIÈRE D'ABONNEMENT ========== */
.subscription-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    padding: var(--spacing-md) 0;
    z-index: 998;
    box-shadow: var(--shadow-xl);
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.banner-content i {
    font-size: 2rem;
    color: var(--gold);
}

.banner-text strong {
    display: block;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.banner-text span {
    font-size: 0.875rem;
    opacity: 0.9;
}

.close-banner {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    width: 35px;
    height: 35px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
}

.close-banner:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ========== UTILITAIRES ========== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-danger { color: var(--error); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-gold { color: var(--gold); }

.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-lg); }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .nav-menu,
    .nav-actions .btn {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .user-btn .username {
        display: none;
    }
    
    /* Ajuster les dropdowns sur mobile */
    .dropdown-menu {
        min-width: 280px;
        right: -10px;
    }
    
    .flash-message {
        right: var(--spacing-sm);
        left: var(--spacing-sm);
    }
    
    .banner-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}



/* ========== NOTIFICATIONS PUSH ========== */

/* Notification push dans l'interface (foreground) */
.push-notification {
    position: fixed;
    top: 80px;
    right: -400px;
    z-index: 10000;
    width: 350px;
    max-width: calc(100vw - 40px);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
    opacity: 0;
}

.push-notification.show {
    right: 20px;
    opacity: 1;
}

.push-notification-content {
    display: flex;
    align-items: start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.push-notification-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.push-notification-text {
    flex: 1;
    min-width: 0;
}

.push-notification-text h4 {
    color: var(--gray-800);
    font-size: 1rem;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.push-notification-text p {
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.push-notification-close {
    background: transparent;
    border: none;
    color: var(--gray-500);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: var(--transition);
    flex-shrink: 0;
}

.push-notification-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

/* Bannière de demande de permission */
.notification-prompt {
    position: fixed;
    bottom: -200px;
    left: 20px;
    right: 20px;
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg);
    z-index: 9999;
    transition: var(--transition);
    opacity: 0;
}

.notification-prompt.show {
    bottom: 20px;
    opacity: 1;
}

.notification-prompt-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.notification-prompt-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.75rem;
    flex-shrink: 0;
}

.notification-prompt-text {
    flex: 1;
}

.notification-prompt-text h4 {
    color: var(--gray-800);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.notification-prompt-text p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.notification-prompt-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* Animation pour les notifications */
@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(200px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .push-notification {
        width: calc(100vw - 40px);
        top: 70px;
    }
    
    .push-notification.show {
        right: 20px;
        left: 20px;
    }
    
    .notification-prompt {
        left: 10px;
        right: 10px;
        padding: var(--spacing-md);
    }
    
    .notification-prompt-content {
        flex-direction: column;
        text-align: center;
    }
    
    .notification-prompt-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .notification-prompt-actions .btn {
        width: 100%;
    }
}

/* État de chargement */
.notification-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Badge sur l'icône de notification */
.notification-btn .badge {
    animation: pulse 2s ease-in-out infinite;
}

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