/* =========================================================
   Componente: Cards de Post — Premium editorial
   ========================================================= */

/* ── Card base ──────────────────────────────────────────── */
.post-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition:
        box-shadow var(--transition-base),
        transform var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Linha de acento colorida no topo ao hover */
.post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--transition-base) var(--ease-out-quart);
    transform-origin: left;
    z-index: 1;
}

.post-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.post-card:hover::before { transform: scaleX(1); }

/* ── Thumbnail ──────────────────────────────────────────── */
.post-card__thumb {
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
    background: var(--color-bg-alt);
}

.post-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease-out-quart);
}

.post-card:hover .post-card__img { transform: scale(1.05); }

.post-card__thumb--placeholder {
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

/* Badge de categoria sobreposto na imagem */
.post-card__cat-badge {
    position: absolute;
    bottom: var(--space-3);
    left: var(--space-3);
    z-index: 2;
}

/* ── Corpo ──────────────────────────────────────────────── */
.post-card__body {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: var(--space-3);
}

/* ── Meta topo (categoria + tempo) ──────────────────────── */
.post-card__meta-top {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.post-card__time {
    font-size: var(--text-xs);
    color: var(--color-text-light);
    margin-left: auto;
}

/* ── Título ─────────────────────────────────────────────── */
.post-card__title {
    font-size: var(--text-base);
    font-weight: var(--font-bold);
    line-height: var(--leading-snug);
    letter-spacing: -0.01em;
    flex: 1;
}

.post-card__title a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.post-card__title a:hover { color: var(--color-accent); }
.post-card__title--lg { font-size: var(--text-xl); }

/* ── Excerpt ────────────────────────────────────────────── */
.post-card__excerpt {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: var(--leading-normal);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── Byline ─────────────────────────────────────────────── */
.post-card__byline {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.post-card__avatar {
    width: 22px !important;
    height: 22px !important;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--color-border);
}

.post-card__author { font-weight: var(--font-semibold); color: var(--color-text-sec); }
.post-card__separator { color: var(--color-border-dark); }

/* ── Variante compacta (lista com thumb à esquerda) ─────── */
.post-card--compact {
    flex-direction: row;
    gap: 0;
    border-radius: var(--radius-md);
}

.post-card--compact::before { display: none; }

.post-card--compact .post-card__thumb {
    width: 110px;
    aspect-ratio: 4 / 3;
    flex-shrink: 0;
    border-radius: 0;
}

.post-card--compact .post-card__body {
    padding: var(--space-3) var(--space-4);
    gap: var(--space-2);
    justify-content: center;
}

.post-card--compact .post-card__title { font-size: var(--text-sm); }
.post-card--compact .post-card__excerpt,
.post-card--compact .post-card__byline { display: none; }

/* ── Variante grande (featured lateral) ─────────────────── */
.post-card--featured {
    flex-direction: row;
    gap: 0;
    border-radius: var(--radius-lg);
}

.post-card--featured .post-card__thumb {
    width: 50%;
    aspect-ratio: 16 / 10;
    flex-shrink: 0;
    border-radius: 0;
}

.post-card--featured .post-card__body {
    padding: var(--space-6);
    justify-content: center;
}

.post-card--featured .post-card__title { font-size: var(--text-xl); }

/* ── Grid de posts ──────────────────────────────────────── */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
}

.posts-grid--3col {
    grid-template-columns: repeat(3, 1fr);
}

.posts-grid--4col {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
}

.posts-grid--list {
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

/* ── Responsivo ─────────────────────────────────────────── */
@media (max-width: 1100px) {
    .posts-grid--4col { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
    .posts-grid--3col { grid-template-columns: repeat(2, 1fr); }
    .posts-grid--4col { grid-template-columns: repeat(2, 1fr); }

    .post-card--featured {
        flex-direction: column;
    }
    .post-card--featured .post-card__thumb {
        width: 100%;
    }
}

@media (max-width: 600px) {
    .posts-grid { grid-template-columns: 1fr; }
    .posts-grid--3col { grid-template-columns: 1fr; }
    .posts-grid--4col { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }

    .post-card--compact {
        flex-direction: column;
    }
    .post-card--compact .post-card__thumb {
        width: 100%;
        border-radius: 0;
    }
}