.focofy-topic-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gap);
}

.focofy-topic-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--card-radius); box-shadow: var(--card-shadow); display: flex; flex-direction: column; overflow: hidden; transition: box-shadow var(--transition-base); }
.focofy-topic-card:hover { box-shadow: var(--card-shadow-hover); }

.focofy-topic-card__body   { padding: var(--space-6); flex: 1; }
.focofy-topic-card__code   { display: inline-block; font-size: var(--font-size-xs); font-weight: var(--fw-bold); color: var(--color-accent); text-transform: uppercase; letter-spacing: .08em; margin-bottom: var(--space-2); }
.focofy-topic-card__title  { font-size: var(--font-size-lg); font-weight: var(--fw-heading); color: var(--color-heading); margin-bottom: var(--space-2); }
.focofy-topic-card__title a { color: inherit; text-decoration: none; }
.focofy-topic-card__title a:hover { color: var(--color-accent); }
.focofy-topic-card__desc   { font-size: var(--font-size-sm); color: var(--color-text-muted); line-height: var(--lh-relaxed); }
.focofy-topic-card__footer { padding: var(--space-4) var(--space-6); border-top: 1px solid var(--color-border-subtle); }

[data-bg="dark"] .focofy-topic-card          { background: var(--color-surface-dark); border-color: var(--color-border-subtle); }
[data-bg="dark"] .focofy-topic-card__title   { color: var(--color-text-inverse); }
[data-bg="dark"] .focofy-topic-card__desc    { color: var(--color-text-inverse); opacity: .7; }

@media (min-width: 768px)  { .focofy-topic-grid { grid-template-columns: repeat(2, 1fr); } }  /* --bp-tablet */
@media (min-width: 1024px) { /* --bp-desktop */
    .focofy-topic-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── Thumbnail do card (archive-topic.php) ───────────────────── */
.focofy-topic-card__cover     { display: block; overflow: hidden; aspect-ratio: 16/9; }
.focofy-topic-card__cover-img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--transition-base); }
.focofy-topic-card:hover .focofy-topic-card__cover-img { transform: scale(1.04); }