.mri-feed-browser-block-root, #mri-feed-browser-block-root {
    width: 100%;
}
.mri-feed-list {
    float: left;
    min-width: 200px;
    max-width: 250px;
    margin-right: 2em;
}
.mri-feed-list ul {
    list-style: none;
    padding: 0;
}
.mri-feed-list li {
    margin-bottom: 8px;
}
.mri-feed-list a {
    text-decoration: none;
    color: #333;
    cursor: pointer;
}
.mri-feed-list a:hover {
    color: #0073aa;
}
.mri-feed-main {
    margin-left: 270px;
}
.mri-feed-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5em;
    grid-auto-rows: 1fr;
    align-items: stretch;
    padding: 10px 0;
    min-width: 0;
}
.mri-feed-item {
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fafafa;
    min-width: 0;
    padding: 1em;
    margin: 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.mri-feed-item h3 {
    margin-top: 0;
    margin-bottom: 0.5em;
    font-size: 1em;
    font-weight: 600;
    flex-shrink: 0;
    line-height: 1.3;
}
.mri-feed-item h3 a {
    text-decoration: none;
    color: #333;
    transition: color 0.2s ease-in-out;
}
.mri-feed-item h3 a:hover {
    color: #0073aa;
}
.mri-feed-image {
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    padding: 2px;
    max-width: 100%;
    height: auto;
    object-fit: cover;
    flex-shrink: 0;
}
.mri-feed-item p {
    margin-top: 0;
    margin-bottom: 0.3em;
    line-height: 1.5;
    color: #555;
}
.mri-feed-meta {
    padding-top: 10px;
    border-top: 1px solid #eee;
    font-size: 1em;
    color: #666;
    text-align: right;
    margin-top: auto;
}
.mri-feed-vertical-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.mri-feed-vertical-item {
    border-bottom: 1px solid #eee;
    padding: 0.5em 0;
    margin: 0;
}
.mri-feed-vertical-item:last-child {
    border-bottom: none;
}
.mri-feed-vertical-item a {
    font-weight: bold;
    text-decoration: none;
    color: #333;
}
.mri-feed-vertical-item a:hover {
    color: #0073aa;
}
.mri-feed-description {
    color: #555;
    font-size: 0.96em;
}
/* Responsive */
@media (max-width: 992px) {
    .mri-feed-container { grid-template-columns: repeat(2, 1fr); }
    .mri-feed-main { margin-left: 0; }
}
@media (max-width: 768px) {
    .mri-feed-container { grid-template-columns: 1fr; }
    .mri-feed-main { margin-left: 0; }
}