/* ============================================================
   SNS Auto Feed - フロントエンド スタイル
   ============================================================ */

.sns-feed-wrap {
    display: grid;
    gap: 20px;
    margin: 24px 0;
}

/* 列数 */
.sns-feed-cols-1 { grid-template-columns: 1fr; }
.sns-feed-cols-2 { grid-template-columns: repeat(2, 1fr); }
.sns-feed-cols-3 { grid-template-columns: repeat(3, 1fr); }
.sns-feed-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* カード */
.sns-feed-card {
    position: relative;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.sns-feed-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.13);
}

/* サムネイル */
.sns-feed-img-link {
    display: block;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background: #f5f5f5;
}

.sns-feed-img-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.sns-feed-card:hover .sns-feed-img-link img {
    transform: scale(1.05);
}

/* バッジ */
.sns-feed-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 2;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 3px 9px;
    border-radius: 20px;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.sns-badge-instagram {
    background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.sns-badge-threads {
    background: #000;
}

.sns-badge-note {
    background: #41c9b4;
}

/* 本文エリア */
.sns-feed-body {
    padding: 14px 16px 16px;
}

.sns-feed-caption {
    font-size: 13.5px;
    line-height: 1.65;
    color: #333;
    margin: 0 0 10px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* noteの場合はタイトルを大きめに */
.sns-feed-note .sns-feed-caption {
    font-size: 14px;
    font-weight: 600;
    -webkit-line-clamp: 2;
}

/* メタ情報 */
.sns-feed-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 4px;
}

.sns-feed-date {
    font-size: 12px;
    color: #999;
}

.sns-feed-link {
    font-size: 12px;
    font-weight: 600;
    color: #555;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.15s;
}

.sns-feed-link:hover {
    color: #000;
    text-decoration: none;
}

/* プラットフォームごとのリンクカラー */
.sns-feed-instagram .sns-feed-link:hover { color: #c13584; }
.sns-feed-threads .sns-feed-link:hover   { color: #000; }
.sns-feed-note .sns-feed-link:hover      { color: #41c9b4; }

/* テキストのみ投稿（画像なし） */
.sns-feed-card:not(:has(.sns-feed-img-link)) .sns-feed-body {
    padding-top: 42px; /* バッジ分のスペース */
}

/* エラー表示 */
.sns-feed-error {
    grid-column: 1 / -1;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 6px;
    padding: 12px 16px;
    font-size: 13px;
    color: #856404;
}

/* ============================================================
   レスポンシブ
   ============================================================ */
@media screen and (max-width: 900px) {
    .sns-feed-cols-4 { grid-template-columns: repeat(2, 1fr); }
    .sns-feed-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media screen and (max-width: 600px) {
    .sns-feed-wrap {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }
}