.top-nav-menu {
    background-color: var(--color-black);
    border-bottom: 1px solid var(--color-border);
}

.nav-link {
    color: var(--color-light-grey);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link:hover, .nav-link:focus {
    color: var(--color-white);
    transform: translateY(-2px);
}

.nav-link:active {
    color: var(--color-white);
    transform: translateY(0);
}

.nav-link.active {
    color: var(--color-white) !important;
    font-weight: 700;
}

.signup-menu-button {
    width: 70px;
    height: 40px;
    font-size: 12px;
    padding: 5px;
}

/* Mobile navbar toggle styling */
.navbar-toggler {
    border: 1px solid var(--color-white);
    padding: var(--space-xs) var(--space-sm);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem var(--color-blue-light);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Mobile responsive styles */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: var(--color-black);
        padding: var(--space-md) 0;
        margin-top: var(--space-sm);
        border-top: 1px solid var(--color-border);
    }

    .navbar-nav {
        gap: var(--space-xs);
        align-items: flex-end;
    }

    .nav-item {
        width: auto;
        text-align: right;
    }

    .nav-link {
        padding: var(--space-md);
        border-radius: var(--radius-sm);
        display: inline-block;
        text-align: right;
    }

    .nav-link:hover, .nav-link:focus {
        background-color: var(--color-charcoal);
        transform: none;
    }

    .signup-menu-button {
        width: auto;
        height: auto;
        padding: var(--space-sm) var(--space-lg);
        margin-top: var(--space-sm);
        text-align: center;
    }

    .navbar-collapse.show,
    .navbar-collapse.collapsing {
        display: block !important;
    }
}

@media (max-width: 768px) {
    .content-container {
        padding: 0 var(--space-sm);
    }
}