/* Navbar sofisticada e elegante */
.navbar {
    background: linear-gradient(90deg, #232526 0%, #414345 100%) !important;
    box-shadow: 0 4px 18px rgba(44, 62, 80, 0.08);
    font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
    border-bottom: 2px solid #007bff10;
}

.navbar-brand {
    font-size: 1.7rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: #fff !important;
    text-shadow: 0 2px 8px #0002;
}

.navbar-nav .nav-link {
    color: #e0e0e0 !important;
    font-size: 1.08rem;
    font-weight: 500;
    margin: 0 8px;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    padding: 8px 16px;
    position: relative;
}

.navbar-nav .nav-link.active, .navbar-nav .nav-link:focus, .navbar-nav .nav-link:hover {
    color: #fff !important;
    background: #007bff33;
    box-shadow: 0 2px 8px #007bff22;
    text-decoration: none;
}

.dropdown-menu {
    background: #232526;
    border-radius: 10px;
    box-shadow: 0 8px 32px #0003;
    border: none;
    margin-top: 8px !important;
    min-width: 210px;
    animation: fadeInDropdown 0.25s;
}

@keyframes fadeInDropdown {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
    color: #e0e0e0;
    font-weight: 500;
    border-radius: 6px;
    transition: background 0.18s, color 0.18s;
    padding: 10px 18px;
}

.dropdown-item:hover, .dropdown-item:focus {
    background: #007bff33;
    color: #fff;
}

.dropdown-submenu > .dropdown-menu {
    left: 100% !important;
    top: 0 !important;
    margin-left: 0.1rem;
    margin-right: 0.1rem;
    z-index: 1050 !important;
}

.navbar-toggler {
    border: none;
    background: #007bff22;
    border-radius: 8px;
}

.navbar-toggler:focus {
    outline: none;
    box-shadow: 0 0 0 2px #007bff55;
}

@media (max-width: 991.98px) {
    .navbar-nav .nav-link {
        margin: 4px 0;
        padding: 10px 18px;
    }
    .dropdown-menu {
        min-width: 100%;
    }
}