:root {
    --bg-color: #343a40;
    --navbar-brand-color: #009df8;
    --navbar-link-color: #ffffff;
    --navbar-link-hover-color: #009df8;
    --navbar-toggler-border-color: #ffffff;
    --navbar-toggler-icon-color: white;
    --login-bg-color: #007bff;
    --login-bg-hover-color: #66a4e2;
    --text-shadow-color: rgba(0, 0, 0, 0.5);
    --text-shadow-hover-color: rgba(0, 0, 0, 0.7);
}

#customNavbar {
    background-color: var(--bg-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 5;
    padding: 0.5rem 1rem;
}

#customNavbar .navbar-brand {
    font-size: 2rem;
    font-weight: bold;
    color: var(--navbar-brand-color) !important;
    text-shadow: 2px 2px 4px var(--text-shadow-color);
    transition: color 0.3s ease;
    margin-left: 0.5rem;
    margin-right: 0.5rem;
}

#customNavbar .navbar-brand:hover {
    color: var(--navbar-link-color);
    text-shadow: 4px 4px 6px var(--text-shadow-hover-color);
}

#customNavbar .nav-link {
    color: var(--navbar-link-color);
    padding: 0.5rem;
    font-weight: bold;
}

#customNavbar .nav-link:hover {
    color: var(--navbar-link-hover-color);
}

#customNavbar .navbar-toggler {
    border-color: var(--navbar-toggler-border-color);
    margin: 0 0.5rem;
}

#customNavbar .navbar-toggler-icon {
    color: var(--navbar-toggler-icon-color);
}

.login {
    background-color: var(--login-bg-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 1rem !important;
    text-decoration: none;
}

.login:hover {
    background-color: var(--login-bg-hover-color);
    text-decoration: none;
    color: white;
    font-weight: bold;
}

@media (max-width: 768px) {
    #customNavbar .nav-link {
        padding: 0.75rem 1rem;
    }

    #customNavbar .navbar-brand {
        font-size: 1.5rem;
        margin-left: 0.75rem;
        margin-right: 0.75rem;
    }

    #customNavbar .navbar-toggler {
        margin: 0 0.75rem;
    }
}