/* ============================================
   OMGiFacts Theme - 响应式样式
   ============================================ */

/* === 大屏 (≤ 1200px) === */
@media (max-width: 1200px) {
    .header-container {
        padding: 0 15px;
    }

    .nav-menu li a {
        padding: 18px 12px;
        font-size: 0.85rem;
    }

    .sidebar {
        width: 280px;
    }
}

/* === 平板 (≤ 1024px) === */
@media (max-width: 1024px) {
    /* 隐藏桌面导航，显示汉堡菜单 */
    .main-navigation {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-nav-panel {
        display: block;
    }

    /* 隐藏桌面侧边栏 */
    .sidebar {
        display: none;
    }

    .content-container {
        display: block;
    }

    .content-area.has-sidebar .posts-list {
        max-width: 100%;
    }

    /* 特色文章网格调整 */
    .featured-grid {
        grid-template-columns: 1fr;
    }

    .featured-main {
        grid-row: auto;
    }

    .featured-main .featured-title {
        font-size: 1.5rem;
    }

    .featured-image {
        min-height: 200px;
    }

    /* 相关文章 2 列 */
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 单篇文章 */
    .single-post {
        padding: 25px;
    }

    .single-featured-image {
        margin: 0 -25px 25px;
    }

    .single-title {
        font-size: 1.8rem;
    }

    /* 评论区 */
    .comments-section {
        padding: 25px;
    }
}

/* === 手机 (≤ 768px) === */
@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }

    /* 文章卡片改为垂直布局 */
    .card-link {
        flex-direction: column;
    }

    .card-thumbnail {
        width: 100%;
        height: 200px;
    }

    .card-info {
        padding: 16px 18px;
    }

    .card-title {
        font-size: 1.1rem;
    }

    /* 特色文章 */
    .featured-section {
        padding: 15px 15px 0;
    }

    .featured-grid {
        gap: 10px;
    }

    .featured-content {
        padding: 15px;
    }

    .featured-title {
        font-size: 1.15rem;
    }

    .featured-main .featured-title {
        font-size: 1.3rem;
    }

    /* 内容区域 */
    .content-area {
        padding: 20px 15px;
    }

    /* 文章页 */
    .single-post {
        padding: 20px;
        border-radius: var(--radius-md);
    }

    .single-featured-image {
        margin: 0 -20px 20px;
    }

    .single-title {
        font-size: 1.5rem;
    }

    .single-meta {
        font-size: 0.8rem;
    }

    .entry-content {
        font-size: 1rem;
    }

    .entry-content h2 {
        font-size: 1.35rem;
    }

    .entry-content h3 {
        font-size: 1.15rem;
    }

    /* 上/下篇导航改为单列 */
    .post-navigation {
        grid-template-columns: 1fr;
    }

    /* 相关文章 1 列 */
    .related-grid {
        grid-template-columns: 1fr;
    }

    .related-thumb-link {
        height: 180px;
    }

    /* 分享按钮 */
    .share-buttons {
        flex-wrap: wrap;
    }

    /* 加载更多 */
    .load-more-btn {
        padding: 12px 36px;
        font-size: 0.9rem;
    }

    /* 归档页 */
    .archive-header {
        padding: 25px 0;
    }

    .archive-title {
        font-size: 1.5rem;
    }

    /* Footer */
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-menu {
        justify-content: center;
    }

    /* 404 */
    .error-title {
        font-size: 4rem;
    }

    .error-search-form {
        flex-direction: column;
    }

    /* 页面 */
    .page-content {
        padding: 25px;
    }

    .page-title {
        font-size: 1.6rem;
    }

    /* 评论区 */
    .comments-section {
        padding: 20px;
    }

    /* 返回顶部 */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

/* === 小手机 (≤ 480px) === */
@media (max-width: 480px) {
    .site-title {
        font-size: 1.2rem;
    }

    .card-thumbnail {
        height: 170px;
    }

    .featured-image {
        min-height: 160px;
    }

    .single-title {
        font-size: 1.35rem;
    }

    .section-title {
        font-size: 1.2rem;
    }
}