/* Discovery is a library; articles keep their own readable line length. */
.knowledge-shell { display: grid; gap: 1rem; width: 100%; max-width: none; }
.knowledge-search { display: flex; flex-wrap: wrap; align-items: end; gap: .75rem; }
.knowledge-search__query { display: flex; gap: .6rem; flex: 1 1 20rem; min-width: 0; }
.knowledge-search__query input { flex: 1; min-width: 0; margin: 0; }
.knowledge-search__filters { display: flex; flex-wrap: wrap; align-items: end; gap: .6rem 1rem; }
.knowledge-search__filters label { display: grid; gap: .3rem; color: var(--muted-color); font-size: var(--text-sm); }
.knowledge-search__filters select { margin: 0; min-width: 10rem; }
.knowledge-categories { display: flex; flex-wrap: wrap; gap: .4rem; }
.knowledge-categories a { display: inline-flex; align-items: center; min-height: 2.75rem; padding: .5rem .85rem; border: 1px solid var(--border-color); border-radius: var(--radius-pill); color: var(--text-color); text-decoration: none; font-size: var(--text-sm); }
.knowledge-categories a[aria-current="page"] { color: var(--accent-strong); background: var(--accent-soft); border-color: var(--accent-color); font-weight: 750; }
.knowledge-tags { display: flex; flex-wrap: wrap; align-items: center; gap: .3rem .7rem; font-size: var(--text-sm); }
.knowledge-tags > span { color: var(--muted-color); }
.knowledge-tags a { min-height: 2rem; padding: .25rem .6rem; color: var(--muted-color); }
.knowledge-tags a[aria-current="page"] { color: var(--accent-strong); font-weight: 750; }
.knowledge-results-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-top: .5rem; }
.knowledge-results-heading h2 { margin: 0; font-size: 1.1rem; }
.knowledge-results-heading > span { color: var(--muted-color); font-size: var(--text-sm); }
.knowledge-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); gap: 1rem; align-items: stretch; }
.knowledge-card__image { display: grid; place-items: center; aspect-ratio: 16 / 10; overflow: hidden; background: var(--background-color); border-radius: var(--radius-md); }
.knowledge-card__image img { display: block; width: 100%; height: 100%; object-fit: contain; object-position: center; }
.knowledge-card__tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.knowledge-card__tags > * { padding: .2rem .55rem; border: 1px solid var(--border-color); border-radius: var(--radius-pill); font-size: var(--text-xs); color: var(--muted-color); text-decoration: none; }
.knowledge-card__tags a:hover { border-color: var(--accent-color); color: var(--accent-strong); }
.knowledge-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--border-color); border-radius: var(--radius-lg); background: var(--card-bg); overflow: hidden; }
.knowledge-card__content { display: grid; gap: .75rem; align-content: start; flex: 1; padding: 1.25rem; }
.knowledge-card__category { color: var(--accent-strong); font-weight: 750; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .06em; }
.knowledge-card h3 { margin: 0; font-size: 1.15rem; line-height: 1.4; overflow-wrap: anywhere; }
.knowledge-card h3 a { color: var(--text-color); text-decoration: none; }
.knowledge-card h3 a:hover { color: var(--accent-strong); text-decoration: underline; }
.knowledge-card__content > p { margin: 0; color: var(--muted-color); font-size: var(--text-sm); line-height: 1.65; overflow-wrap: anywhere; }
.knowledge-card__facts { display: flex; flex-wrap: wrap; gap: .4rem .65rem; color: var(--muted-color); font-size: var(--text-xs); }
.knowledge-card__facts > span { padding: .2rem .45rem; background: var(--background-color); border-radius: var(--radius-sm); }
.knowledge-card__vehicle { justify-self: start; font-size: var(--text-sm); color: var(--accent-strong); }
.knowledge-card footer { display: flex; justify-content: space-between; gap: .65rem; padding: .85rem 1.25rem; border-top: 1px solid var(--border-color); font-size: var(--text-xs); color: var(--muted-color); }
.knowledge-card footer a { color: inherit; }
.knowledge-card footer time { white-space: nowrap; }
.knowledge-empty { grid-column: 1 / -1; min-height: 16rem; }
.knowledge-pagination { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1rem; margin-top: .5rem; }
@media (max-width: 1024px) { .knowledge-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 768px) {
    .knowledge-grid { grid-template-columns: 1fr; }
    .knowledge-search { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
    .knowledge-search__query { grid-column: 1 / -1; }
    .knowledge-search__filters label { flex: 1 1 100%; min-width: 0; grid-template-columns: 4.5rem minmax(0, 1fr); align-items: center; }
    .knowledge-search__filters select { min-width: 0; width: 100%; }
    .knowledge-search__query .community-action-button { padding-inline: .75rem; }
    .knowledge-categories { gap: .35rem; }
    .knowledge-categories a { padding-inline: .7rem; }
    .knowledge-card__content { padding: 1rem; }
    .knowledge-shell { gap: .75rem; }
    .knowledge-shell .community-hero { margin-bottom: 0; gap: .75rem; }
}