/* AI News page-specific styles */
.reaction-btn {
    transition: all var(--duration) var(--ease);
}

.reaction-btn:active {
    transform: scale(0.9);
}

.reaction-btn.active {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
}

.news-list {
    align-items: stretch;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sp-6);
    grid-auto-flow: row;
}

.news-grid>* {
    min-width: 0;
}

.news-item {
    display: flex;
    flex-direction: column;
    height: 100%;
    border-radius: calc(var(--radius-xl) + 2px);
}

.news-card-cover-link {
    display: block;
    line-height: 0;
}

.news-item .card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.news-item .card-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--sp-3);
    flex: 1;
}

.news-card-title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: calc(var(--leading-tight) * 2em);
}

.news-card-excerpt {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 6.2em;
}

.news-article {
    max-width: 860px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: calc(var(--radius-xl) + 2px);
    padding: clamp(var(--sp-5), 2.5vw, var(--sp-8));
    box-shadow: var(--shadow-sm);
}

.news-article .story-cover {
    width: 100%;
    border-radius: calc(var(--radius-xl) + 2px);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--sp-6);
}

.story-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
}

.story-tag-link {
    text-decoration: none;
    transition: transform .16s ease, box-shadow .16s ease;
}

.story-tag-link:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-xs);
}

@media (min-width: 769px) and (max-width: 1100px) {
    .news-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .news-article {
        padding: var(--sp-5);
    }

    .news-grid {
        grid-template-columns: 1fr;
    }
}