/* --- CSS CHO TRANG BLOG --- */
.blog-container {
    background-color: var(--container-white);
    padding: 10px;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
}
@media (min-width: 768px) {
    .blog-container {
        padding: 20px;
    }
}
.post-card-overlay {
    border-radius: 0.75rem;
    overflow: hidden;
    display: block;
    position: relative;
    aspect-ratio: 4 / 3;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease-in-out, transform 0.2s ease-in-out;
}
.post-card-overlay:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}
.post-card-overlay .card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease-in-out;
}
.post-card-overlay:hover .card-img {
    transform: scale(1.05);
}
.post-card-overlay .card-img-overlay {
    padding: 1.25rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0) 60%);
}
.post-card-overlay .card-title {
    font-weight: 600;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}
.post-card-overlay .post-meta {
    font-size: 0.8rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}
.post-card-overlay .post-meta-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.badge.post-category {
    background-color: var(--accent-blue) !important;
    color: var(--container-white) !important;
    font-weight: 500;
}
.list-group-item .badge {
    background-color: rgba(74, 105, 255, 0.1) !important;
    color: var(--accent-blue) !important;
}
.pagination {
    --bs-pagination-padding-x: 0.75rem;
    --bs-pagination-padding-y: 0.5rem;
    --bs-pagination-border-radius: 0.5rem;
    --bs-pagination-active-bg: rgba(74, 105, 255, 0.1);
    --bs-pagination-active-border-color: var(--accent-blue);
}
.pagination .page-link {
    border: 1px solid var(--border-color);
    background-color: var(--container-white);
    color: var(--secondary-text);
    margin: 0 0.2rem;
    box-shadow: none;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
}
.pagination .page-link:hover {
    border-color: var(--accent-blue);
    background-color: rgba(74, 105, 255, 0.05);
    color: var(--accent-blue);
}
.pagination .page-item.active .page-link {
    color: var(--accent-blue);
    font-weight: 600;
}
.pagination .page-item.disabled .page-link {
    background-color: transparent;
    border-color: var(--border-color);
}

/* --- CSS CHO TRANG VIEW_POST.PHP --- */
.post-featured-image {
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.post-title-detail {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
}
.post-meta-detail img {
    width: 50px;
    height: 50px;
    object-fit: cover;
}
.post-content {
    line-height: 1.8;
    font-size: 1.0rem;
    color: #34495e;
}
.post-content p {
    margin-bottom: 1.0rem;
}
.post-content h2, .post-content h3, .post-content h4 {
    font-weight: 600;
    margin-top: 2.0rem;
    margin-bottom: 1.25rem;
}
.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.75rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-md);
}
.post-content blockquote {
    border-left: 4px solid var(--accent-blue);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--secondary-text);
}
.post-content iframe[src*="youtube.com"] {
    max-width: 100%;
    width: 100%;
    aspect-ratio: 16 / 9;
    height: auto;
    border-radius: 0.75rem;
    border: none;
}
.post-action-toolbar {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 1000;
}
.action-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background-color: var(--container-white);
    color: var(--secondary-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease-in-out;
}
.action-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    color: var(--accent-blue);
}
.action-btn i {
    font-size: 1.5rem;
}
.like-btn .like-count {
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1;
}
.like-btn.liked {
    background-color: #ff4d4d;
    color: var(--container-white);
    border-color: #ff4d4d;
}
.like-btn.liked:hover {
    background-color: #e63939;
    border-color: #e63939;
    color: var(--container-white);
}

/* --- CSS CHO KHU VỰC BÌNH LUẬN (ĐÃ CẬP NHẬT) --- */
.comment-form textarea.form-control {
    background-color: var(--background-light-gray);
    border: 1px solid var(--border-color);
}
.comment-form textarea.form-control:focus {
    background-color: var(--container-white);
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 0.25rem rgba(74, 105, 255, 0.25);
}
.comment-list .comment-item-wrapper {
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}
.comment-list .comment-item-wrapper:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}
.comment-content {
    background-color: var(--background-light-gray);
    padding: 0.75rem 1rem;
    border-radius: 0 0.75rem 0.75rem 0.75rem; /* Bo góc đẹp hơn */
    width: 100%;
}
.comment-author {
    font-weight: 600;
    color: var(--primary-text);
}
.comment-text {
    margin-top: 0.25rem;
    line-height: 1.6;
    word-wrap: break-word; /* Chống tràn chữ */
}
.comment-reply {
    margin-left: 30px;
    padding-left: 20px;
    border-left: 2px solid var(--border-color);
}
@media (max-width: 576px) {
    .comment-reply {
        margin-left: 15px;
        padding-left: 15px;
    }
}
.reply-form-container {
    margin-top: 1rem;
    padding-left: 66px; 
}
.parent-comment .comment-content {
    background-color: transparent;
    padding: 0;
}

/* --- CSS CHO TRANG POSTS_MANAGER.PHP --- */
.post-manager-table thead th {
    font-weight: 600;
    color: var(--primary-text);
}
.post-manager-card .card-title {
    font-size: 1.1rem;
}
.post-manager-card .post-meta-manager {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--secondary-text);
}

/* --- Responsive --- */
@media (max-width: 991.98px) {
    .post-action-toolbar {
        top: auto;
        bottom: 20px;
        right: 20px;
        left: 20px;
        flex-direction: row;
        justify-content: center;
        transform: none;
        background-color: rgba(255, 255, 255, 0.9);
        padding: 0.75rem;
        border-radius: 50px;
        box-shadow: var(--shadow-md);
        backdrop-filter: blur(5px);
    }
    body:has(.post-action-toolbar) main {
        padding-bottom: 90px;
    }
}