.single-post-content .grid-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.single-post-content .grid-left .blog-sidebar {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    position: sticky;
    top: 20px;
    box-shadow: var(--card-shadow);
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget {
    margin-bottom: 30px;
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget:last-child {
    margin-bottom: 0;
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget .widget-title {
    font-size: 1.1em;
    font-weight: bold;
    color: var(--text-bold);
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget:first-child .book-image {
    margin-bottom: 20px;
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget:first-child .book-image .img-box {
    width: 100%;
    height: auto;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget:first-child .book-image .img-box img {
    width: 100%;
    height: auto;
    display: block;
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget:first-child .book-image .img-box.no-image {
    background: var(--bg-secondary);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget:first-child .book-image .img-box.no-image .default-image {
    font-size: 48px;
    color: var(--text-light);
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget:first-child .book-info .info-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px dashed var(--border-color);
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget:first-child .book-info .info-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget:first-child .book-info .info-item .label {
    font-weight: bold;
    color: var(--text-bold);
    display: inline-block;
    width: 70px;
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget:first-child .book-info .info-item .value {
    color: var(--text-normal);
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget:first-child .book-info .info-item.tags-section .tag-list {
    margin-top: 5px;
}

.single-post-content .grid-left .blog-sidebar .sidebar-widget:first-child .book-info .info-item.tags-section .tag-list .tag {
    display: inline-block;
    background: var(--accent-color-light);
    color: var(--accent-color);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    margin-right: 5px;
    margin-bottom: 5px;
    border: 1px solid var(--accent-border-color);
}

.single-post-content .grid-left .blog-sidebar .recent-posts,
.single-post-content .grid-left .blog-sidebar .category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.single-post-content .grid-left .blog-sidebar .recent-posts li,
.single-post-content .grid-left .blog-sidebar .category-list li {
    margin-bottom: 8px;
}

.single-post-content .grid-left .blog-sidebar .recent-posts li a,
.single-post-content .grid-left .blog-sidebar .category-list li a {
    color: var(--text-normal);
    text-decoration: none;
    display: block;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.single-post-content .grid-left .blog-sidebar .recent-posts li a:hover,
.single-post-content .grid-left .blog-sidebar .category-list li a:hover {
    color: var(--accent-color);
}

.single-post-content .grid-left .blog-sidebar .recent-posts li a .count,
.single-post-content .grid-left .blog-sidebar .category-list li a .count {
    color: var(--text-light);
    font-size: 0.9em;
    margin-left: 5px;
}

.single-post-content .grid-left .blog-sidebar .tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.single-post-content .grid-left .blog-sidebar .tag-cloud .tag-item {
    display: inline-block;
    background: var(--bg-secondary);
    color: var(--text-normal);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.9em;
    text-decoration: none;
    transition: all 0.3s ease;
}

.single-post-content .grid-left .blog-sidebar .tag-cloud .tag-item:hover {
    background: var(--accent-color-light);
    color: var(--accent-color);
}

.single-post-content .grid-left .blog-sidebar .tag-cloud p {
    color: var(--text-light);
    font-size: 0.9em;
}

.single-post-content .grid-right .entry-header {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.single-post-content .grid-right .entry-header .entry-title {
    font-size: 2em;
    margin: 0 0 10px 0;
    color: var(--text-bold);
    line-height: 1.3;
    font-weight: 700;
}

.single-post-content .grid-right .entry-header .entry-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.9em;
    color: var(--text-light);
}

.single-post-content .grid-right .entry-header .entry-meta div {
    display: flex;
    align-items: center;
}

.single-post-content .grid-right .entry-header .entry-meta div i {
    margin-right: 5px;
    color: var(--accent-color);
}

.single-post-content .grid-right .entry-content {
    margin-bottom: 30px;
    line-height: 1.8;
    color: var(--text-normal);
    font-size: 1.1em;
}

.single-post-content .grid-right .entry-content p {
    margin-bottom: 1.2em;
}

.single-post-content .grid-right .entry-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.single-post-content .grid-right .entry-footer {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.9em;
}

.single-post-content .grid-right .entry-footer .entry-taxonomies {
    margin-bottom: 10px;
}

.single-post-content .grid-right .entry-footer .entry-taxonomies span {
    margin-right: 15px;
    padding: 2px 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
}

.single-post-content .comments-area {
    margin: 30px 0;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.single-post-content .post-navigation {
    margin: 30px 0;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .single-post-content .grid-container {
        grid-template-columns: 1fr;
        padding: 10px;
        gap: 15px;
    }

    .single-post-content .grid-left .blog-sidebar {
        position: static;
    }
}