/* Mobile Bottom Navigation Styles */
.mobile-bottom-nav {
    display: none;
    /* Hidden by default (desktop) */
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--background-color);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding-bottom: env(safe-area-inset-bottom);
    /* iPhone X safe area */
    transition: var(--transition-normal);
}

.mobile-bottom-nav__item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 0;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.3s ease;
}

.mobile-bottom-nav__item i {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.mobile-bottom-nav__item.nav-active {
    color: var(--primary-color);
    font-weight: 600;
}

.mobile-bottom-nav__item:hover {
    color: var(--primary-color);
}

/* Dark mode overrides */
body.dark-mode .mobile-bottom-nav {
    background-color: #222;
    border-top: 1px solid #333;
}

body.dark-mode .mobile-bottom-nav__item {
    color: #bbb;
}

body.dark-mode .mobile-bottom-nav__item.nav-active {
    color: var(--primary-color);
}

/* Show on mobile screens */
@media (max-width: 767.98px) {
    .mobile-bottom-nav {
        display: flex;
        justify-content: space-around;
    }

    /* Move floating buttons up to avoid overlap with bottom nav */
    .dark-mode-toggle {
        bottom: 80px;
        /* 20px + ~60px nav height */
    }

    #backToTop {
        bottom: 140px;
        /* 80px + ~60px nav height */
    }

    /* Hide standard navbar toggler on mobile since we have bottom nav */
    .navbar-toggler {
        display: none !important;
    }

    /* Adjust main content padding to not be covered by bottom nav */
    body {
        padding-bottom: 70px;
    }
}