/**
 * 投稿一覧カード表示用CSS
 * Pro Unit の media-posts-bs4 の代替スタイル
 */

/* =============================================================================
   投稿カードの基本スタイル
   ============================================================================= */

.my-loop-item {
    margin-bottom: 30px;
}

.my-loop-item .vk_post_imgOuter {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: 4px 4px 0 0;
}

.my-loop-item .vk_post_imgOuter_img {
    width: 100%;
    height: 0;
    padding-bottom: 60%;
    background-size: cover;
    background-position: center;
    background-color: #f5f5f5;
    transition: transform 0.3s ease;
}

.my-loop-item .vk_post_imgOuter:hover .vk_post_imgOuter_img {
    transform: scale(1.05);
}

.my-loop-item .vk_post_imgOuter_img--noimg {
    background-color: #ddd;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Crect fill='%23ccc' width='100' height='100'/%3E%3Ctext fill='%23999' font-family='sans-serif' font-size='14' x='50%25' y='50%25' text-anchor='middle' dy='.3em'%3ENo Image%3C/text%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

/* カテゴリーオーバーレイ */
.my-loop-item .vk_post_imgOuter_overlay {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 10px;
    background-color: rgba(0, 112, 189, 0.9);
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    border-radius: 3px;
}

/* 本文部分 */
.my-loop-item .vk_post_body {
    padding: 15px;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-top: none;
    border-radius: 0 0 4px 4px;
}

/* タイトル */
.my-loop-item .vk_post_title {
    margin: 0 0 10px;
    font-size: 16px;
    font-weight: bold;
    line-height: 1.4;
}

.my-loop-item .vk_post_title a {
    color: #333;
    text-decoration: none;
}

.my-loop-item .vk_post_title a:hover {
    color: #0070bd;
}

/* 新着バッジ */
.my-loop-item .vk_post_title_new {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 6px;
    background-color: #e74c3c;
    color: #fff;
    font-size: 10px;
    font-weight: bold;
    border-radius: 3px;
    vertical-align: middle;
}

/* 日付 */
.my-loop-item .vk_post_date {
    margin: 0 0 10px;
    font-size: 13px;
    color: #888;
}

/* 抜粋 */
.my-loop-item .vk_post_excerpt {
    margin: 0 0 15px;
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ボタン */
.my-loop-item .vk_post_btn {
    text-align: right;
}

.my-loop-item .vk_post_btn .btn {
    display: inline-block;
    padding: 6px 16px;
    background-color: #0070bd;
    color: #fff;
    font-size: 13px;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.my-loop-item .vk_post_btn .btn:hover {
    background-color: #005a9c;
    color: #fff;
}

/* =============================================================================
   グリッドレイアウト
   ============================================================================= */

.vk_posts.vk_posts-mainSection {
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
}

.vk_posts.vk_posts-mainSection .my-loop-item {
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
}

/* 列数の制御 */
.vk_post-col-xs-12 {
    width: 100%;
}

@media (min-width: 576px) {
    .vk_post-col-sm-6 {
        width: 50%;
    }
}

@media (min-width: 992px) {
    .vk_post-col-lg-6 {
        width: 50%;
    }
    
    .vk_post-col-lg-4 {
        width: 33.333%;
    }
}

/* =============================================================================
   カード水平レイアウト（card-horizontal）- Pro Unit スタイル再現
   ============================================================================= */

@media (min-width: 576px) {
    .my-loop-item.card-horizontal {
        display: flex;
        flex-direction: row;
    }
    
    .my-loop-item.card-horizontal .vk_post_imgOuter {
        width: 40%;
        flex-shrink: 0;
        border-radius: 4px 0 0 4px;
    }
    
    .my-loop-item.card-horizontal .vk_post_imgOuter_img {
        height: 100%;
        padding-bottom: 0;
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
    }
    
    .my-loop-item.card-horizontal .vk_post_body {
        width: 60%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        border: 1px solid #e5e5e5;
        border-left: none;
        border-radius: 0 4px 4px 0;
    }
}

/* =============================================================================
   検索結果・アーカイブページ用の調整
   ============================================================================= */

.archive .vk_posts.vk_posts-mainSection,
.search-results .vk_posts.vk_posts-mainSection {
    margin-top: 20px;
}

/* ページネーション */
.navigation.pagination {
    margin-top: 40px;
}

/* =============================================================================
   ダークモード対応（オプション）
   ============================================================================= */

/*
@media (prefers-color-scheme: dark) {
    .my-loop-item .vk_post_body {
        background: #2d2d2d;
        border-color: #444;
    }
    
    .my-loop-item .vk_post_title a {
        color: #e0e0e0;
    }
    
    .my-loop-item .vk_post_excerpt {
        color: #aaa;
    }
}
*/