/* ブログページ専用スタイル */

.blog-main {
    padding-top: 80px;
    min-height: calc(100vh - 80px);
}

.blog-header {
    text-align: center;
    padding: 4rem 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 255, 255, 0.05) 0%, transparent 50%);
}

.blog-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.blog-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.blog-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 3rem 0;
    padding: 0 2rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.blog-search {
    width: 100%;
    max-width: 400px;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    margin-bottom: 2rem;
}

.blog-search:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 255, 255, 0.1);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.blog-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.blog-image {
    height: 200px;
    background: var(--gradient-secondary);
    opacity: 0.1;
    position: relative;
    overflow: hidden;
}

.blog-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.blog-date {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.blog-category {
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 500;
}

.blog-content h2 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.3;
    flex-shrink: 0;
}

.blog-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    padding: 0.25rem 0.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.tag:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.blog-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    margin-top: auto;
}

.blog-link::after {
    content: '→';
    transition: var(--transition);
}

.blog-link:hover {
    color: var(--secondary-color);
}

.blog-link:hover::after {
    transform: translateX(3px);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 4rem 0;
}

.pagination-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-color);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 0.5rem;
}

.pagination-number {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

.pagination-number:hover,
.pagination-number.active {
    background: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-color);
}

/* ブログカード入場アニメーション */
.blog-card {
    opacity: 0;
    transform: translateY(30px);
}

.blog-card.animate {
    opacity: 1;
    transform: translateY(0);
}

/* フィルター結果が空の場合 */
.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.no-results p {
    font-size: 1rem;
    line-height: 1.6;
}

/* ブログ投稿がない場合の空状態 */
.blog-empty-state {
    text-align: center;
    padding: 6rem 2rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin: 3rem 0;
    border: 2px dashed var(--border-color);
}

.empty-state-content {
    max-width: 500px;
    margin: 0 auto;
}

.empty-state-content h3 {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 700;
}

.empty-state-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.empty-state-content::before {
    content: "📝";
    font-size: 4rem;
    display: block;
    margin-bottom: 1.5rem;
    opacity: 0.6;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .blog-header {
        padding: 2rem 0;
    }

    .blog-filters {
        padding: 0 1rem;
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 2rem 0;
    }

    .blog-card {
        margin: 0 0.5rem;
    }

    .pagination {
        flex-wrap: wrap;
        gap: 0.5rem;
        margin: 2rem 0;
    }

    .pagination-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .pagination-number {
        width: 35px;
        height: 35px;
    }
}

@media (max-width: 480px) {
    .blog-header {
        padding: 1.5rem 0;
    }

    .blog-title {
        font-size: 2.5rem;
    }

    .blog-description {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .blog-filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding: 0 1rem;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .blog-filters::-webkit-scrollbar {
        display: none;
    }

    .filter-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }

    .blog-content h2 {
        font-size: 1.2rem;
    }

    .blog-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

/* ダークモード対応 */
[data-theme="dark"] {
    --primary-color: #64ffda;
    --secondary-color: #ff6b9d;
    --accent-color: #69f0ae;
}

/* 高コントラストモード */
@media (prefers-contrast: high) {
    .blog-card {
        border-width: 2px;
    }
    
    .filter-btn.active {
        background: var(--text-primary);
        color: var(--bg-primary);
    }
    
    .tag:hover {
        background: var(--text-primary);
        color: var(--bg-primary);
    }
}

/* 印刷スタイル */
@media print {
    .blog-filters,
    .pagination {
        display: none;
    }
    
    .blog-grid {
        display: block;
    }
    
    .blog-card {
        break-inside: avoid;
        margin-bottom: 2rem;
        border: 1px solid #000;
    }
    
    .blog-link {
        display: none;
    }
}