/* ========================================
   ギャラリー表示カテゴリーページ
   イラスト・絵画用
   CSS変数は style.css で定義済み
   ======================================== */

/* ギャラリーグリッド（Masonry風レイアウト） */
.gallery-grid {
    column-count: 3;
    column-gap: 30px;
    max-width: 1400px;
    margin: 0 auto 40px;
}

/* ギャラリーアイテム */
.gallery-item {
    background: white;
    border-radius: var(--radius-medium, 8px);
    overflow: hidden;
    box-shadow: var(--shadow-light, 0 2px 8px rgba(0, 0, 0, 0.08));
    transition: all var(--transition-normal, 0.3s ease);
    border: 2px solid var(--color-border);
    break-inside: avoid;
    margin-bottom: 30px;
    display: inline-block;
    width: 100%;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover, 0 12px 24px rgba(79, 195, 247, 0.3));
    border-color: var(--color-primary-light, #4fc3f7);
}

.gallery-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* サムネイル */
.gallery-thumbnail {
    width: 100%;
    height: auto;
    overflow: hidden;
    background: #f5f5f5;
    position: relative;
}

.gallery-thumbnail img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-normal, 0.3s ease);
}

.gallery-item:hover .gallery-thumbnail img {
    transform: scale(1.05);
}

.gallery-thumbnail-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-medium, #e1f5fe) 0%, var(--color-bg-dark, #b3e5fc) 100%);
    min-height: 200px;
}

.placeholder-icon {
    font-size: 5rem;
}

/* ギャラリー情報 */
.gallery-info {
    padding: 20px;
}

.gallery-title {
    font-size: 1.1rem;
    color: var(--color-primary-dark, #01579b);
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.4;
}

.gallery-meta {
    font-size: 0.85rem;
    color: var(--color-primary, #0288d1);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .gallery-grid {
        column-count: 2;
        column-gap: 15px;
    }

    .gallery-item {
        margin-bottom: 15px;
    }

    .gallery-info {
        padding: 15px;
    }

    .gallery-title {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        column-count: 1;
    }
}

/* 大画面用 */
@media (min-width: 1200px) {
    .gallery-grid {
        column-count: 4;
        column-gap: 30px;
    }
}