.navbar.fixed-top {
    background: rgba(26, 26, 46, 0.85) !important;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1020 !important;
    transition: all 0.3s ease;
}

body {
    padding-top: 75px;
}

.navbar-brand {
    letter-spacing: 1px;
}

@media (max-width: 991.98px) {
    .navbar.fixed-top {
        padding-top: 10px;
        padding-bottom: 10px;
    }
    body {
        padding-top: 70px;
    }
}

/* Alert simulation mode */
.alert-simulation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    border: none;
    font-weight: bold;
    padding: 10px;
    font-size: 14px;
    background: #e74c3c;
    color: white;
}

body.simulation-active {
    padding-top: 120px !important;
}

body.simulation-active .navbar.fixed-top {
    top: 48px !important;
}
