/* Styles pour la barre de navigation */
nav .nav-wrapper {
    padding: 0 15px;
}
nav .brand-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
}
.logo-img {
    height: 28px;
    margin-right: 10px;
    vertical-align: middle;
}
.logo-img-mobile {
    height: 50px;
    margin: 10px auto;
}
.side-nav-header {
    padding: 15px 0;
    margin-bottom: 10px;
}
.side-nav-title {
    font-size: 1.2rem;
    margin-top: 5px;
}
#nav-mobile li a {
    font-weight: 500;
    padding: 0 15px;
    transition: background-color 0.3s;
}
#nav-mobile li.active a {
    background-color: rgba(0,0,0,0.1);
}
.btn-flat {
    text-transform: none;
    letter-spacing: 0;
}
@media only screen and (max-width: 992px) {
    nav .brand-logo {
        left: 60px;
        transform: none;
        font-size: 1.3rem;
    }
    .logo-img {
        height: 30px;
    }
}