/* ============================================
   Article Stylesheet — Gold Standard Template
   Protocol 220 Reference Implementation
   ============================================ */

/* Article Layout */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

.article-header {
    margin-bottom: 3rem;
    text-align: center;
}

.article-header h1 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.article-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

.article-dates {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Article Content Typography */
.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: justify;
}

.article-content a {
    color: var(--accent-primary);
    text-decoration: underline;
    text-decoration-color: rgba(59, 130, 246, 0.4);
    text-underline-offset: 2px;
}

.article-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.article-content h3 {
    margin-top: 2rem;
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content blockquote {
    border-left: 3px solid var(--accent-primary);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.8rem;
}

.article-content strong {
    color: var(--text-primary);
}

.article-content code {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.95em;
}

/* Executive Summary Box */
.exec-summary {
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 0 0 2rem 0;
}

.exec-summary h4 {
    margin-bottom: 1rem;
    color: var(--accent-primary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.exec-summary ul {
    margin: 0;
    padding-left: 1.25rem;
}

.exec-summary li {
    margin-bottom: 0.5rem;
}

/* Table of Contents */
.toc-box {
    margin: 2rem 0;
}

.toc-box h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: 0.5rem;
    padding-left: 1rem;
}

.toc-list a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s;
    font-size: 1.1rem;
}

.toc-list a:hover {
    text-decoration: underline;
}

/* Key Insight Callout */
.key-insight {
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.1), rgba(255, 107, 107, 0.1));
    border: 1px solid rgba(108, 99, 255, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.key-insight h4 {
    margin-bottom: 0.8rem;
    color: var(--accent-primary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Comparison Tables */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-table th {
    color: var(--accent-primary);
    font-weight: 600;
}

.comparison-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Article Figures */
.article-figure {
    margin: 2.5rem 0;
    text-align: center;
}

.article-figure img {
    max-width: 100%;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.article-figure figcaption {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Timeline */
.timeline {
    border-left: 2px solid var(--accent-primary);
    padding-left: 1.5rem;
    margin: 2rem 0;
}

.timeline-item {
    margin-bottom: 1.5rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.75rem;
    top: 0.3rem;
    width: 10px;
    height: 10px;
    background: var(--accent-primary);
    border-radius: 50%;
}

.timeline-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

/* Checklist Box */
.checklist-box {
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.checklist-box h4 {
    margin-bottom: 1rem;
    color: #22c55e;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.checklist-box ul {
    margin: 0;
    padding-left: 0;
    list-style: none;
}

.checklist-box li {
    padding-left: 1.75rem;
    position: relative;
    margin-bottom: 0.6rem;
}

.checklist-box li::before {
    content: '☐';
    position: absolute;
    left: 0;
    color: #22c55e;
}

/* Author Bio Footer */
.article-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.author-bio {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.author-info h4 {
    margin-bottom: 0.3rem;
}

.author-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 0;
}

.author-info p:last-child {
    margin-top: 0.5rem;
}

.author-info a {
    color: var(--accent-primary);
    text-decoration: none;
}

/* Back Link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 2rem;
}

.back-link:hover {
    color: var(--accent-primary);
}

/* CTA Demo Link */
.demo-link {
    display: inline-block;
    background: var(--accent-primary);
    color: #ffffff !important;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none !important;
    font-weight: 500;
    margin: 1rem 0;
}

.demo-link:hover {
    opacity: 0.9;
    color: #ffffff !important;
}

/* Proof Placeholder (for drafts) */
.proof-placeholder {
    background: rgba(255, 255, 255, 0.03);
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin: 2rem 0;
    color: var(--text-muted);
}

.proof-placeholder span {
    display: block;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}