/*
 * article.css
 * Styles for CKEditor 5 rendered content inside .content-card
 * and for the article detail page layout.
 *
 * Scope: all rules are under .content-card .card-content
 * so they never leak into the rest of the site.
 */

/* ===== ARTICLE PAGE LAYOUT ===== */

.article-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.article-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* ===== CKEDITOR 5 CONTENT ===== */

.content-card .card-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-primary);
    word-break: break-word;
}

/* --- Headings --- */

.content-card .card-content h2,
.content-card .card-content h3,
.content-card .card-content h4,
.content-card .card-content h5,
.content-card .card-content h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.content-card .card-content h2 {
    font-size: 1.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-light);
}

.content-card .card-content h3 {
    font-size: 1.375rem;
    padding-left: 0.75rem;
    border-left: 4px solid var(--primary);
}

.content-card .card-content h4 {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* --- Paragraphs --- */

.content-card .card-content p {
    margin-bottom: 1.25rem;
}

.content-card .card-content p:last-child {
    margin-bottom: 0;
}

/* --- Links --- */

.content-card .card-content a {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-color: rgba(255, 107, 0, 0.4);
    text-underline-offset: 3px;
    transition: var(--transition);
}

.content-card .card-content a:hover {
    color: var(--primary-dark);
    text-decoration-color: var(--primary-dark);
}

/* --- Lists --- */

.content-card .card-content ul,
.content-card .card-content ol {
    margin: 0 0 1.25rem 0;
    padding-left: 1.75rem;
}

.content-card .card-content ul {
    list-style: none;
    padding-left: 0;
}

.content-card .card-content ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.content-card .card-content ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.content-card .card-content ol li {
    margin-bottom: 0.5rem;
}

.content-card .card-content ul ul,
.content-card .card-content ol ol,
.content-card .card-content ul ol,
.content-card .card-content ol ul {
    margin-top: 0.5rem;
    margin-bottom: 0;
}

/* --- Blockquote --- */

.content-card .card-content blockquote {
    margin: 1.5rem 0;
    padding: 1.25rem 1.5rem;
    border-left: 4px solid var(--primary);
    background: var(--bg-secondary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text-secondary);
    font-style: italic;
    font-size: 1.05rem;
}

.content-card .card-content blockquote p:last-child {
    margin-bottom: 0;
}

/* --- Inline code (not inside pre) --- */
/*
 * High specificity is fine here because this selector explicitly
 * excludes pre > code, so it never touches hljs blocks.
 */

.content-card .card-content :not(pre) > code {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.875em;
    background: var(--bg-tertiary);
    color: var(--primary-dark);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    border: 1px solid var(--border-light);
    word-break: break-all;
}

/* --- Code blocks (CKEditor generates <pre><code class="hljs">) --- */
/*
 * ALL pre and pre code rules use :where() — zero specificity.
 * This guarantees hljs always wins on colors, background, and padding.
 *
 * Responsibility split:
 *   article.css  → layout only: margin, border-radius, overflow, shadow
 *   hljs CSS     → everything visual: background, color, padding, font-size
 *
 * font-size:0 on pre prevents inherited line-height:1.8 from inflating
 * the spacing between lines (line-height is computed from font-size,
 * so zeroing it on the wrapper element neutralises the inheritance).
 * font-size is restored on pre code.
 */

:where(.content-card .card-content) pre {
    margin: 1.5rem 0;
    padding: 0;           /* hljs sets padding:1em on code.hljs — don't double it */
    border-radius: var(--radius-md);
    overflow-x: auto;
    box-shadow: var(--shadow-md);
    font-size: 0;         /* neutralise inherited line-height */
    line-height: 1;
    background: none;     /* hljs controls background (#fff or #282c34) */
}

:where(.content-card .card-content) pre code {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;    /* restore font-size for hljs to work from */
    line-height: 1.5;
    word-break: normal;
    white-space: pre;
    /* NO color, NO background, NO padding — hljs owns these */
}

/* --- Tables --- */

.content-card .card-content .table-wrapper,
.content-card .card-content figure.table {
    overflow-x: auto;
    margin: 1.5rem 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.content-card .card-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.content-card .card-content th {
    background: var(--bg-secondary);
    font-weight: 700;
    text-align: left;
    padding: 0.875rem 1rem;
    border-bottom: 2px solid var(--border-medium);
    color: var(--text-primary);
    white-space: nowrap;
}

.content-card .card-content td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    vertical-align: top;
}

.content-card .card-content tr:last-child td {
    border-bottom: none;
}

.content-card .card-content tbody tr:hover td {
    background: var(--bg-secondary);
}

/* CKEditor 5 table with header row class */
.content-card .card-content table.ck-table-resized th,
.content-card .card-content table.ck-table-resized td {
    border: 1px solid var(--border-light);
}

/* --- Images (CKEditor wraps in <figure class="image">) --- */

.content-card .card-content figure.image {
    margin: 1.5rem auto;
    text-align: center;
    max-width: 100%;
}

.content-card .card-content figure.image img,
.content-card .card-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    cursor: pointer;   /* triggers the click-to-enlarge modal */
}

.content-card .card-content figure.image figcaption {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-light);
    font-style: italic;
    text-align: center;
}

/* CKEditor alignment classes */
.content-card .card-content figure.image.image-style-align-left {
    float: left;
    margin: 0.5rem 1.5rem 1rem 0;
    max-width: 45%;
}

.content-card .card-content figure.image.image-style-align-right {
    float: right;
    margin: 0.5rem 0 1rem 1.5rem;
    max-width: 45%;
}

/* Clearfix after floated images */
.content-card .card-content::after {
    content: '';
    display: table;
    clear: both;
}

/* --- Horizontal rule --- */

.content-card .card-content hr {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--border-medium), transparent);
    margin: 2rem 0;
}

/* --- Alert/info boxes (CKEditor custom classes if used) --- */

.content-card .card-content .info-box {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
    border-left: 4px solid var(--accent);
    background: rgba(0, 168, 255, 0.08);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== COMMENTS SECTION ===== */

.comments-section {
    margin-top: 3rem;
}

.comments-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.comment-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-light);
    border-left: 3px solid var(--secondary);
}

.comment-author {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.comment-date {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-left: 0.75rem;
}

.comment-body {
    margin-top: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.comment-form-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    margin-top: 2rem;
    position: relative;
}

.comment-form-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.comment-form-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* ===== RESPONSIVE ===== */

@media (max-width: 768px) {
    .content-card .card-content h2 {
        font-size: 1.5rem;
    }

    .content-card .card-content h3 {
        font-size: 1.25rem;
    }

    .content-card .card-content figure.image.image-style-align-left,
    .content-card .card-content figure.image.image-style-align-right {
        float: none;
        max-width: 100%;
        margin: 1rem auto;
    }

    /* :where() keeps specificity at zero so hljs still wins on mobile */
    :where(.content-card .card-content) pre {
        box-shadow: none;
        margin: 1rem 0;
    }

    .content-card .card-content th,
    .content-card .card-content td {
        padding: 0.6rem 0.75rem;
        font-size: 0.875rem;
    }

    .article-meta {
        gap: 1rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .content-card .card-content {
        font-size: 1rem;
    }

    .content-card .card-content h2 {
        font-size: 1.375rem;
    }

    .content-card .card-content h3 {
        font-size: 1.125rem;
    }
}