/* ============================================================
   ActualiteFeed.css — Fil d'actualités, carte, réactions, lightbox
   ============================================================ */

.actu-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    break-inside: avoid;
}

.actu-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.actu-card-auteur {
    display: flex;
    align-items: center;
    gap: 10px;
}

.actu-card-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: rgba(46,134,193,.12);
    color: var(--blue);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

.actu-card-nom { font-size: 13px; font-weight: 600; color: var(--navy); }
.actu-card-meta { font-size: 11.5px; color: var(--text-muted); }
.actu-card-date { white-space: nowrap; }

.actu-card-actions { display: flex; gap: 4px; flex-shrink: 0; }

.actu-card-titre { font-size: 15px; font-weight: 700; color: var(--navy); }
.actu-card-corps { font-size: 13px; color: var(--text); line-height: 1.6; word-break: break-word; }

.actu-card-images {
    display: grid;
    gap: 4px;
    border-radius: 8px;
    overflow: hidden;
}
.actu-card-images-1 { grid-template-columns: 1fr; }
.actu-card-images-2 { grid-template-columns: 1fr 1fr; }
.actu-card-images-3 { grid-template-columns: 1fr 1fr; }
.actu-card-images-3 .actu-card-image:first-child { grid-row: span 2; }
.actu-card-images-4 { grid-template-columns: 1fr 1fr; }

.actu-card-image {
    position: relative;
    cursor: pointer;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}
.actu-card-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
}
.actu-card-image-plus {
    position: absolute; inset: 0;
    background: rgba(0,0,0,.5);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 700;
}

.actu-card-reactions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    border-top: 1px solid var(--border);
    padding-top: 8px;
}
.actu-reaction-btn {
    display: inline-flex; align-items: center; gap: 4px;
    border: 1px solid var(--border);
    background: transparent;
    border-radius: 20px;
    padding: 3px 9px;
    font-size: 13px;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}
.actu-reaction-btn:hover { background: var(--bg); }
.actu-reaction-btn.active { background: rgba(46,134,193,.12); border-color: var(--blue); }
.actu-reaction-btn span { font-size: 11px; color: var(--text-muted); }

.actu-modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 9600;
    display: flex; align-items: center; justify-content: center;
}
.actu-modal {
    max-width: 420px; width: 100%; margin: 1rem;
    background: #fff; border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}

.actu-lightbox {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.85);
    z-index: 9700;
    display: flex; align-items: center; justify-content: center;
}
.actu-lightbox-img { max-width: 90vw; max-height: 90vh; object-fit: contain; border-radius: 4px; }
.actu-lightbox-close {
    position: absolute; top: 16px; right: 16px;
    background: transparent; border: none; color: #fff; font-size: 22px; cursor: pointer;
}
.actu-lightbox-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    background: rgba(255,255,255,.15); border: none; color: #fff;
    width: 44px; height: 44px; border-radius: 50%;
    font-size: 18px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}
.actu-lightbox-prev { left: 16px; }
.actu-lightbox-next { right: 16px; }

@media (max-width: 768px) {
    .actu-card-images-3, .actu-card-images-4 { grid-template-columns: 1fr 1fr; }
}