/**
 * CSS componente del blocco `bricks/post-archive`.
 *
 * Enqueuato selettivamente (solo sulle pagine che contengono il blocco).
 * Usa i token `--bricks-post-archive-*` dichiarati nel preset Tailwind del core.
 * Il tema cliente che usa @source "../../vendor/tnd/bricks/blocks/**\/*.css" li
 * riceve già nel :root (stesso pattern del blocco bricks/cta — vedi CONTEXT.md).
 *
 * Selettori pubblici (API semver — rinominarli è MAJOR):
 *   .tnd-post-archive
 *   .tnd-post-archive__filters
 *   .tnd-post-archive__filter-btn / .is-active
 *   .tnd-post-archive__grid
 *   .tnd-post-archive__item
 *   .tnd-post-archive__card / ::before
 *   .tnd-post-archive__card-media / __card-image / __card-badge
 *   .tnd-post-archive__card-body / __card-date / __card-title / __card-excerpt / __card-link
 *   .tnd-post-archive__footer
 *   .tnd-post-archive__load-more / .is-loading / .is-hidden
 */

/* ── Wrapper ──────────────────────────────────────────────────────────────── */

.tnd-post-archive {
    container-type: inline-size;
}

/* ── Barra filtri ─────────────────────────────────────────────────────────── */

.tnd-post-archive__filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--bricks-post-archive-filter-gap, var(--spacing-sm));
    margin-bottom: var(--bricks-post-archive-filter-mb, var(--spacing-md));
}

.tnd-post-archive__filter-btn {
    appearance: none;
    cursor: pointer;
    background: transparent;
    border: 1px solid var(--bricks-post-archive-filter-border, var(--color-surface-muted));
    border-radius: var(--bricks-post-archive-filter-radius, var(--radius-full));
    color: var(--bricks-post-archive-filter-color, var(--color-text));
    font-family: inherit;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    padding: var(--spacing-xs) var(--spacing-md);
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.tnd-post-archive__filter-btn:hover,
.tnd-post-archive__filter-btn:focus-visible {
    background: var(--bricks-post-archive-filter-hover-bg, var(--color-surface-muted));
    outline: none;
}

.tnd-post-archive__filter-btn:focus-visible {
    outline: 2px solid var(--color-brand);
    outline-offset: 2px;
}

.tnd-post-archive__filter-btn.is-active {
    background: var(--bricks-post-archive-filter-active-bg, var(--color-brand));
    border-color: var(--bricks-post-archive-filter-active-bg, var(--color-brand));
    color: var(--bricks-post-archive-filter-active-color, var(--color-brand-contrast));
}

/* ── Griglia ──────────────────────────────────────────────────────────────── */

.tnd-post-archive__grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: var(--bricks-post-archive-gap, var(--spacing-md));
}

@media (min-width: 768px) {
    .tnd-post-archive__grid {
        grid-template-columns: repeat(12, minmax(0, 1fr));
    }

    .tnd-post-archive__item {
        grid-column: span 4;
    }
}

/* ── Card ─────────────────────────────────────────────────────────────────── */

.tnd-post-archive__card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bricks-post-archive-card-bg, var(--color-surface));
    border-radius: var(--bricks-post-archive-radius, var(--radius-lg));
    padding: var(--bricks-post-archive-card-padding, var(--spacing-md));
    z-index: 0;
    overflow: hidden;
}

/* Bordo gradiente via pseudo-elemento (compatibile con border-radius). */
.tnd-post-archive__card::before {
    content: '';
    position: absolute;
    inset: calc(-1 * var(--bricks-post-archive-border-width, 2px));
    border-radius: inherit;
    background: linear-gradient(
        var(--bricks-post-archive-gradient-angle, 135deg),
        var(--bricks-post-archive-gradient-from, var(--color-brand)),
        var(--bricks-post-archive-gradient-to, var(--color-accent))
    );
    z-index: -1;
}

/* ── Card — media ─────────────────────────────────────────────────────────── */

.tnd-post-archive__card-media {
    position: relative;
    overflow: hidden;
    border-radius: calc(var(--bricks-post-archive-radius, var(--radius-lg)) - var(--bricks-post-archive-card-padding, var(--spacing-md)));
    margin: calc(-1 * var(--bricks-post-archive-card-padding, var(--spacing-md)));
    margin-bottom: var(--spacing-md);
    aspect-ratio: var(--bricks-post-archive-image-ratio, 16 / 9);
}

.tnd-post-archive__card-media-link {
    display: block;
    width: 100%;
    height: 100%;
}

.tnd-post-archive__card-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.tnd-post-archive__card:hover .tnd-post-archive__card-image {
    transform: scale(1.04);
}

/* ── Card — badge ─────────────────────────────────────────────────────────── */

.tnd-post-archive__card-badge {
    position: absolute;
    bottom: var(--spacing-sm);
    left: var(--spacing-sm);
    background: var(--bricks-post-archive-badge-bg, var(--color-brand));
    border-radius: var(--bricks-post-archive-badge-radius, var(--radius-sm));
    color: var(--bricks-post-archive-badge-color, var(--color-brand-contrast));
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.04em;
    line-height: 1;
    padding: 0.25rem 0.5rem;
    text-decoration: none;
    text-transform: uppercase;
}

.tnd-post-archive__card-badge:hover {
    opacity: 0.85;
}

/* ── Card — body ──────────────────────────────────────────────────────────── */

.tnd-post-archive__card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: var(--spacing-xs);
}

.tnd-post-archive__card-date {
    color: var(--color-text);
    font-size: var(--text-xs);
    opacity: 0.6;
}

.tnd-post-archive__card-title {
    font-size: var(--bricks-post-archive-title-size, var(--text-lg));
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
    margin: 0;
}

.tnd-post-archive__card-title a {
    color: var(--color-text);
    text-decoration: none;
}

.tnd-post-archive__card-title a:hover {
    color: var(--color-brand);
}

.tnd-post-archive__card-excerpt {
    color: var(--color-text);
    font-size: var(--text-sm);
    line-height: var(--line-height-relaxed);
    opacity: 0.75;
    margin: 0;
}

.tnd-post-archive__card-link {
    color: var(--color-brand);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    margin-top: auto;
    padding-top: var(--spacing-xs);
    text-decoration: none;
}

.tnd-post-archive__card-link:hover {
    text-decoration: underline;
}

/* ── Footer (load more) ───────────────────────────────────────────────────── */

.tnd-post-archive__footer {
    display: flex;
    justify-content: center;
    margin-top: var(--bricks-post-archive-footer-mt, var(--spacing-lg));
}

.tnd-post-archive__load-more {
    appearance: none;
    cursor: pointer;
    background: transparent;
    border: 2px solid var(--color-brand);
    border-radius: var(--bricks-post-archive-btn-radius, var(--radius-md));
    color: var(--color-brand);
    font-family: inherit;
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    padding: var(--spacing-sm) var(--bricks-cta-padding-x, var(--spacing-md));
    transition: background 0.2s ease, color 0.2s ease;
}

.tnd-post-archive__load-more:hover,
.tnd-post-archive__load-more:focus-visible {
    background: var(--color-brand);
    color: var(--color-brand-contrast);
    outline: none;
}

.tnd-post-archive__load-more:focus-visible {
    outline: 2px solid var(--color-brand);
    outline-offset: 3px;
}

.tnd-post-archive__load-more.is-loading {
    opacity: 0.6;
    pointer-events: none;
}

.tnd-post-archive__load-more.is-hidden,
.tnd-post-archive__footer.is-hidden {
    display: none;
}