.rss-feed .card-img-top {
    aspect-ratio: 16 / 9;
    height: auto;
    object-fit: cover;
    width: 100%;
}

/**
 * Grouping Mode Styles for MPC RSS
 * Customize navigation appearance based on grouping mode
 */

/* Base navigation styles */
.rss-categories[role="navigation"] {
    margin-bottom: 1.5rem;
}

.rss-categories h3 {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Mode-specific styling */
.rss-categories ul[data-grouping-mode="category"] .nav-link {
    border-left: 3px solid transparent;
}

.rss-categories ul[data-grouping-mode="category"] .nav-link.active {
    border-left-color: #0d6efd;
}

.rss-categories ul[data-grouping-mode="source"] .nav-link {
    font-weight: 500;
}

.rss-categories ul[data-grouping-mode="source"] .nav-link .badge {
    background-color: #6c757d !important;
}

.rss-categories ul[data-grouping-mode="date"] .nav-link {
    min-width: 120px;
    text-align: center;
}

.rss-categories ul[data-grouping-mode="date"] .nav-link .badge {
    background-color: #17a2b8 !important;
}

/* Responsive adjustments */
@media (width <= 768px) {
    .rss-categories ul {
        gap: 0.5rem !important;
    }

    .rss-categories .nav-link {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
    }

    .rss-categories ul[data-grouping-mode="date"] .nav-link {
        min-width: auto;
    }
}

/* Icon badge animations */
.rss-categories .nav-link .badge {
    transition: transform 0.2s ease;
}

.rss-categories .nav-link:hover .badge {
    transform: scale(1.1);
}

/* Active state enhancements */
.rss-categories .nav-link.active {
    font-weight: 600;
}