/* Blog-specific styles complementing common.css */

/* Blog header / hero section */
.blog-hero {
    background-color: var(--zlab-bg);
    border-bottom: 1px solid var(--zlab-border);
    padding: 3rem 0;
    text-align: center;
}

.blog-hero img {
    max-width: 100%;
    height: auto;
    margin-bottom: 1.5rem;
    border-radius: 0.625rem;
}

.blog-hero h1 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 600;
    color: var(--zlab-text);
    margin-bottom: 0.5rem;
}

.blog-hero .subtitle {
    font-size: 0.95rem;
    color: var(--zlab-muted);
}

/* Filter section */
.blog-filters {
    background-color: var(--zlab-surface);
    border: 1px solid var(--zlab-border);
    border-radius: 0.625rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.blog-filters h3 {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--zlab-cyan);
    margin-bottom: 0.875rem;
    margin-top: 0;
}

.blog-filters h3:first-child {
    margin-top: 0;
}

.blog-filters ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.blog-filters ul li {
    display: inline-block;
}

.blog-filters ul li a {
    display: inline-block;
    padding: 0.4rem 0.85rem;
    background-color: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 0.35rem;
    font-size: 0.8rem;
    color: var(--zlab-cyan);
    transition: all 0.2s;
}

.blog-filters ul li a:hover {
    background-color: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.6);
    text-decoration: none;
}

/* Pagination */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.pagination {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination li {
    display: inline-block;
}

.pagination li a,
.pagination li span {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    background-color: var(--zlab-surface);
    border: 1px solid var(--zlab-border);
    color: var(--zlab-text);
    text-decoration: none;
    border-radius: 0.4rem;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.pagination li a:hover {
    background-color: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.4);
    color: var(--zlab-cyan);
}

.pagination li.active span {
    background-color: var(--zlab-cyan);
    border-color: var(--zlab-cyan);
    color: #0d1117;
    font-weight: 600;
}

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

/* Post counter / info */
.blog-info {
    font-size: 0.85rem;
    color: var(--zlab-muted);
    margin-bottom: 1.5rem;
    text-align: center;
}

/* Blog post card */
.blog-post-card {
    background-color: var(--zlab-surface);
    border: 1px solid var(--zlab-border);
    border-radius: 0.625rem;
    padding: 1.25rem;
    margin-bottom: 1rem;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
}

.blog-post-card:hover {
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.08);
    transform: translateY(-1px);
}

.blog-post-header {
    margin-bottom: 0.75rem;
}

.blog-post-category {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.25rem 0.6rem;
    background-color: rgba(139, 92, 246, 0.15);
    color: var(--zlab-purple);
    border-radius: 0.25rem;
    margin-bottom: 0.5rem;
}

.blog-post-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--zlab-text);
    margin: 0 0 0.5rem 0;
    line-height: 1.4;
}

.blog-post-title a {
    color: var(--zlab-cyan);
    transition: color 0.2s;
}

.blog-post-title a:hover {
    color: #4de8ff;
}

.blog-post-excerpt {
    font-size: 0.9rem;
    color: var(--zlab-muted);
    line-height: 1.6;
    margin-bottom: 0.875rem;
    flex-grow: 1;
}

.blog-post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--zlab-muted);
    padding-top: 0.875rem;
    border-top: 1px solid var(--zlab-border);
}

.blog-post-date {
    flex-shrink: 0;
}

.blog-post-author {
    flex-shrink: 0;
}

/* Blog post detail page */
.blog-post-hero {
    background-color: var(--zlab-bg);
    border-bottom: 1px solid var(--zlab-border);
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.blog-post-hero h1 {
    font-size: clamp(1.75rem, 5vw, 2.25rem);
    color: var(--zlab-text);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.blog-post-meta-info {
    font-size: 0.9rem;
    color: var(--zlab-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.blog-post-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-post-meta-item i {
    color: var(--zlab-cyan);
}

/* Reactions（ブログ詳細ページ） */
.reaction-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.reaction-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.7rem;
    border-radius: 2rem;
    border: 1px solid var(--zlab-border);
    background: var(--zlab-surface);
    color: var(--zlab-muted);
    font-size: 0.8rem;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.reaction-pill:hover {
    border-color: rgba(255, 255, 255, 0.25);
    color: var(--zlab-text);
}

.reaction-pill.has-count {
    color: var(--zlab-text);
    border-color: rgba(0, 212, 255, 0.4);
    background: var(--zlab-cyan-bg);
}

.reaction-pill:disabled {
    opacity: 0.6;
    cursor: default;
}

.reaction-emoji {
    font-size: 1rem;
    line-height: 1;
}

.reaction-add-btn {
    color: var(--zlab-cyan);
    border-color: rgba(0, 212, 255, 0.4);
}

.reaction-picker-item {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    border: none;
    background: transparent;
    padding: 0.4rem 0.6rem;
    font-size: 1.4rem;
    cursor: pointer;
    border-radius: 0.4rem;
    transition: background 0.2s;
}

.reaction-picker-item:hover {
    background: var(--zlab-cyan-bg);
}

.reaction-picker-item .reaction-caption {
    font-size: 0.65rem;
    color: var(--zlab-muted);
}

/* Bootstrap Popover はデフォルトで白背景のため、サイトのダークテーマに合わせて上書きする */
.popover {
    --bs-popover-bg: var(--zlab-surface);
    --bs-popover-border-color: var(--zlab-border);
    --bs-popover-header-bg: var(--zlab-surface);
    --bs-popover-header-color: var(--zlab-text);
    --bs-popover-body-color: var(--zlab-text);
    --bs-popover-body-padding-x: 0.5rem;
    --bs-popover-body-padding-y: 0.5rem;
}

.popover .popover-arrow::before,
.popover .popover-arrow::after {
    border-top-color: var(--zlab-border);
}

.popover-body {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

/* Article content */
.blog-article-content {
    background-color: var(--zlab-surface);
    border: 1px solid var(--zlab-border);
    border-radius: 0.625rem;
    padding: 2rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.blog-article-content h2 {
    font-size: 1.5rem;
    color: var(--zlab-cyan);
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--zlab-border);
    padding-bottom: 0.75rem;
}

.blog-article-content h2:first-child {
    margin-top: 0;
}

.blog-article-content h3 {
    font-size: 1.2rem;
    color: var(--zlab-text);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.blog-article-content p {
    margin-bottom: 1rem;
    color: var(--zlab-text);
}

.blog-article-content a {
    color: var(--zlab-cyan);
    text-decoration: underline;
}

.blog-article-content a:hover {
    color: #4de8ff;
}

.blog-article-content code {
    background-color: rgba(0, 0, 0, 0.3);
    color: #87ff87;
    padding: 0.25rem 0.5rem;
    border-radius: 0.35rem;
    font-size: 0.9em;
    font-family: 'Courier New', monospace;
}

.blog-article-content pre {
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--zlab-border);
    padding: 1rem;
    border-radius: 0.625rem;
    overflow-x: auto;
    margin-bottom: 1rem;
}

.blog-article-content pre code {
    padding: 0;
    background: none;
}

.blog-article-content blockquote {
    border-left: 4px solid var(--zlab-cyan);
    background-color: rgba(0, 212, 255, 0.05);
    padding: 1rem;
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 1rem;
    border-radius: 0.4rem;
    color: var(--zlab-muted);
}

.blog-article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.625rem;
    border: 1px solid var(--zlab-border);
    margin: 1.5rem 0;
}

.blog-article-content ul,
.blog-article-content ol {
    margin-bottom: 1rem;
    margin-left: 1.5rem;
    color: var(--zlab-text);
}

.blog-article-content li {
    margin-bottom: 0.5rem;
}

/* Author section */
.blog-author-section {
    background-color: var(--zlab-surface);
    border: 1px solid var(--zlab-border);
    border-radius: 0.625rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.blog-author-header {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    align-items: flex-start;
}

.blog-author-avatar {
    flex-shrink: 0;
}

.blog-author-avatar img {
    width: 120px;
    height: 120px;
    border-radius: 0.625rem;
    border: 2px solid var(--zlab-border);
    object-fit: cover;
}

.blog-author-info h3 {
    font-size: 1.25rem;
    color: var(--zlab-text);
    margin: 0 0 0.5rem 0;
}

.blog-author-info p {
    font-size: 0.9rem;
    color: var(--zlab-muted);
    margin: 0;
}

.blog-author-bio {
    background-color: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 0.4rem;
    padding: 1rem;
    font-size: 0.95rem;
    color: var(--zlab-text);
    line-height: 1.6;
}

/* Back button / Navigation */
.blog-nav-back {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--zlab-surface);
    border: 1px solid var(--zlab-border);
    border-radius: 0.4rem;
    color: var(--zlab-cyan);
    text-decoration: none;
    transition: all 0.2s;
    margin-bottom: 2rem;
}

.blog-nav-back:hover {
    background-color: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.4);
}

.blog-nav-back i {
    margin-right: 0.5rem;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .blog-article-content {
        padding: 1.5rem;
    }

    .blog-article-content h2 {
        font-size: 1.25rem;
    }

    .blog-article-content h3 {
        font-size: 1.1rem;
    }

    .blog-author-section {
        padding: 1.5rem;
    }

    .blog-author-header {
        flex-direction: column;
        gap: 1rem;
    }

    .blog-author-avatar img {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 576px) {
    .blog-post-hero {
        padding: 1.5rem 0;
        margin-bottom: 1.5rem;
    }

    .blog-post-hero h1 {
        font-size: clamp(1.5rem, 4vw, 1.75rem);
        margin-bottom: 0.75rem;
    }

    .blog-post-meta-info {
        gap: 1rem;
        font-size: 0.85rem;
    }

    .blog-article-content {
        padding: 1rem;
    }

    .blog-article-content h2 {
        font-size: 1.1rem;
        margin-top: 1.5rem;
    }

    .blog-article-content h3 {
        font-size: 1rem;
    }

    .blog-article-content pre {
        padding: 0.75rem;
        font-size: 0.85rem;
    }
}