/* ======================================================================
   page-section.post-listing

   Structure:
   .page-section.post-listing.layout-[cards|list]
       .pad
           .container
               .section-intro                          (optional)
               .filter-chips                           (optional)
                   ul
                       li
                           a.chip [.active]
               .items-container [.cards|.list]
                   a.item | div.item  [.has-image .has-link .category-slug .bg-*]
                       .image-wrap
                           img
                       .item-categories
                           ul > li
                       .content-wrap
                           p.meta
                               span.author
                               span.date
                           h4
                           p.excerpt
               .no-posts
               .more-items-wrap
                   a.button-primary
               .section-outro                          (optional)
   ====================================================================== */


/* ----------------------------------------------------------------------
   Filter chips
   ---------------------------------------------------------------------- */

.post-listing .filter-chips {
    margin-bottom: var(--padding-content);
}

.post-listing .filter-chips ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-flow: row wrap;
    gap: var(--gap-chips);
}

.post-listing .filter-chips li {
    margin: 0;
    padding: 0;
}

.post-listing .chip {
    display: inline-flex;
    align-items: center;
    padding: .4em 1em;
    border-radius: var(--border-radius);
    border: 1px solid var(--ctx-border);
    background-color: transparent;
    text-decoration: none;
    font-size: .875em;
    color: var(--ctx-fg);
    transition: background-color var(--transition-fast),
                color var(--transition-fast),
                border-color var(--transition-fast);
}

/* Hover / keyboard focus — a light lift, deliberately weaker than .active so
   the two states stay distinguishable. */
.post-listing .chip:hover,
.post-listing .chip:focus-visible {
    background-color: var(--ctx-surface);
    border-color: var(--ctx-accent);
}

/* Active filter — filled and bolder, plus a check mark so the state is not
   signalled by colour alone. */
.post-listing .chip.active {
    background-color: var(--ctx-accent);
    border-color: var(--ctx-accent);
    color: var(--ctx-accent-fg);
    font-weight: 600;
}

.post-listing .chip.active::before {
    content: "";
    flex: 0 0 auto;
    width: .8em;
    height: .8em;
    margin-right: .45em;
    background-color: currentColor;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9.55 17.6 4 12.05l1.4-1.4 4.15 4.15L18.6 5.75 20 7.15Z'/%3E%3C/svg%3E") no-repeat center / contain;
            mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9.55 17.6 4 12.05l1.4-1.4 4.15 4.15L18.6 5.75 20 7.15Z'/%3E%3C/svg%3E") no-repeat center / contain;
}


/* ----------------------------------------------------------------------
   Base items — shared across all variations, mobile first
   ---------------------------------------------------------------------- */

.post-listing .items-container {
    gap: var(--gap-grid);
}

.post-listing .item {
    width: 100%;
    display: flex;
    flex-flow: column;
}

.post-listing .image-wrap {
    width: 100%;
    overflow: hidden;
}

.post-listing a.item {
    text-decoration: none;
    color: inherit;
}

.post-listing .image-wrap img {
    width: 100%;
    height: auto;
    display: block;
}

.post-listing .item-categories {
    margin-top: .75em;
}

.post-listing .item-categories ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-flow: row wrap;
    gap: .25em .5em;
}

.post-listing .item-categories li {
    font-size: .75em;
    text-transform: uppercase;
    letter-spacing: .05em;
    opacity: .6;
}

.post-listing .content-wrap {
    flex: 1;
    display: flex;
    flex-flow: column;
    padding: 1em 0;
}

.post-listing .meta {
    font-size: .8em;
    opacity: .6;
    margin-bottom: .5em;
    display: flex;
    gap: 1em;
}

.post-listing .content-wrap h4 {
    margin: 0 0 .5em;
}

.post-listing .excerpt {
    flex: 1;
    margin: 0 0 1em;
    opacity: .8;
}

.post-listing .no-posts {
    padding: 2em 0;
    opacity: .6;
    font-style: italic;
}

.post-listing .more-items-wrap {
    margin-top: 2em;
    text-align: center;
}

/* a.button-primary carries an asymmetric default margin (.5em .5em .5em 0)
   which pulls it off the wrap's centre line. */
.post-listing .more-items-wrap a.button-primary {
    margin: 0;
}


/* ----------------------------------------------------------------------
   Cards variation
   ---------------------------------------------------------------------- */

.post-listing .items-container.cards .item {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.post-listing .items-container.cards .image-wrap {
    aspect-ratio: 16 / 9;
}

.post-listing .items-container.cards .image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-listing .items-container.cards .content-wrap {
    padding: 1.25em;
}

.post-listing .items-container.cards .item-categories {
    padding: .75em 1.25em 0;
    margin-top: 0;
}


/* ----------------------------------------------------------------------
   List variation
   ---------------------------------------------------------------------- */

.post-listing .items-container.list .item {
    flex-flow: row;
    align-items: flex-start;
    gap: 1.5em;
    padding: 1.5em 0;
    border-bottom: 1px solid var(--ctx-border);
}

.post-listing .items-container.list .item:first-child {
    border-top: 1px solid var(--ctx-border);
}

.post-listing .items-container.list .image-wrap {
    flex: 0 0 120px;
    width: 120px;
}

.post-listing .items-container.list .image-wrap img {
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.post-listing .items-container.list .content-wrap {
    padding: 0;
}

.post-listing .items-container.list .item-categories {
    margin-top: 0;
    margin-bottom: .5em;
}


/* ----------------------------------------------------------------------
   Desktop
   ---------------------------------------------------------------------- */

@media screen and (min-width: 1280px) {

    .post-listing .items-container.list .image-wrap {
        flex: 0 0 200px;
        width: 200px;
    }

}