.navbar {
    background: rgba(0, 0, 0, 0.9) !important;
    backdrop-filter: blur(20px);
    border-bottom: 2px solid rgba(26, 188, 156, 0.3);
    font-size: 12px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-right: 15px;
}

.navbar-brand {
    color: #fff !important;
    font-weight: 800;
}

.highlight {
    color: #1abc9c;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 600;
    cursor: pointer;
    padding: 15px 20px !important;
    position: relative;
    transition: all 0.3s ease;
    margin: 0 5px;
    border-radius: 10px;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 20px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #1abc9c, #16a085);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(26, 188, 156, 0.5);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #1abc9c !important;
    text-shadow: 0 0 10px rgba(26, 188, 156, 0.5);
    background: rgba(26, 188, 156, 0.1);
}

/* Style spécial pour le bouton Veille */
.navbar-nav .nav-link-veille {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff;
    font-weight: 700;
    padding: 15px 25px;
    border-radius: 5px;
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
    margin: 0 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
}

.navbar-nav .nav-link-veille::after {
    display: none;
}

.navbar-nav .nav-link-veille:hover {
    background: linear-gradient(135deg, #c0392b, #a93226);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.navbar-nav .nav-link-veille:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(231, 76, 60, 0.3);
}

/* Sous-menu horizontal sous la navbar */
.submenu-bar {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid rgba(26, 188, 156, 0.3);
    padding: 15px 0;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 999;
    font-size: 12px;
}

.submenu-bar.show {
    transform: translateY(0);
    opacity: 1;
}

.submenu-content {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.submenu-content a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.submenu-content a:hover {
    color: #1abc9c;
}

/* Masquer le sous-menu sur mobile/tablette */
@media (max-width: 992px) {
    .submenu-bar {
        display: none;
    }
    
    /* Ajustement du bouton Veille sur mobile */
    .navbar-nav .nav-link-veille {
        margin: 0 5px;
        margin-top: 10px;
        display: inline-block;
        text-align: center;
    }
}