/* Système de notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    color: white;
    font-weight: 500;
    z-index: 9999;
    animation: slideIn 0.3s ease-out;
    max-width: 400px;
}

.notification.success {
    background: #27ae60;
}

.notification.error {
    background: #e74c3c;
}

.notification.info {
    background: #3498db;
}

@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;
    }
}

.notification.hide {
    animation: slideOut 0.3s ease-out forwards;
}