/* ================================================================
   article.css — Shared styles for position paper articles
   ================================================================ */

/* === ARTICLE HEADER === */
.article-header {
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border-light);
}

.article-label {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.article-subtitle {
    font-size: 20px;
    font-style: italic;
    color: var(--color-muted-on-light);
    margin-bottom: 24px;
}

.article-meta {
    font-family: var(--font-ui);
    font-size: 14px;
    color: var(--color-muted-on-light);
}

.article-meta a {
    color: var(--color-accent);
    text-decoration: none;
}

.article-meta a:hover {
    text-decoration: underline;
}

/* === ARTICLE CONTENT === */
.article-content h2 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 26px;
    line-height: 1.3;
    margin-top: 56px;
    margin-bottom: 24px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border-light);
}

.article-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.pull-quote + h2 {
    border-top: none;
    padding-top: 0;
    margin-top: 48px;
}

.article-content h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 20px;
    line-height: 1.3;
    margin-top: 40px;
    margin-bottom: 16px;
}

.article-content p {
    margin-bottom: 20px;
}

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

/* === ARTICLE PULL QUOTE (centred variant) === */
.article-content .pull-quote {
    text-align: center;
    margin: 48px 0;
    padding: 32px 24px;
}

/* === TABLES === */
.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    font-size: 16px;
}

.info-table th,
.info-table td {
    padding: 14px 16px;
    text-align: left;
    border: 1px solid var(--color-border-light);
    vertical-align: top;
}

.info-table th {
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(0,0,0,0.03);
}

.info-table td strong {
    font-weight: 600;
}

.contrast-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    font-size: 16px;
}

.contrast-table th,
.contrast-table td {
    padding: 14px 16px;
    text-align: left;
    border: 1px solid var(--color-border-light);
    vertical-align: top;
}

.contrast-table th {
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(0,0,0,0.03);
}

.contrast-table .col-orchestration {
    color: var(--color-muted-on-light);
}

.contrast-table .col-architecture {
    color: var(--color-text-on-light);
    font-weight: 500;
}

/* === ARCHITECTURE/PATTERN PANEL === */
.architecture-panel,
.pattern-panel {
    background: var(--color-bg-dark);
    color: var(--color-text-on-dark);
    padding: 32px;
    margin: 40px 0;
    border-radius: 4px;
}

.architecture-panel h4,
.pattern-panel h4 {
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-muted-on-dark);
    margin-bottom: 24px;
}

.layer-row,
.pattern-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border-dark);
    font-size: 16px;
}

.layer-row:last-child,
.pattern-row:last-child {
    border-bottom: none;
}

.layer-name,
.pattern-step {
    font-family: var(--font-mono);
    color: var(--color-highlight);
}

.layer-arrow,
.pattern-arrow {
    color: var(--color-muted-on-dark);
}

.layer-desc,
.pattern-result {
    color: var(--color-accent);
    font-weight: 500;
}

/* === STATE TABLE === */
.state-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    font-size: 16px;
}

.state-table th,
.state-table td {
    padding: 14px 16px;
    text-align: left;
    border: 1px solid var(--color-border-light);
    vertical-align: top;
}

.state-table th {
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(0,0,0,0.03);
}

/* === BULLET LISTS === */
.article-content ul {
    margin: 24px 0;
    padding-left: 0;
    list-style: none;
}

.article-content ul li {
    padding: 6px 0 6px 24px;
    position: relative;
}

.article-content ul li::before {
    content: '\2014';
    position: absolute;
    left: 0;
    color: var(--color-muted-on-light);
}

/* === CONTEXT BOX === */
.context-box {
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--color-border-light);
    border-left: 3px solid var(--color-highlight);
    padding: 20px 24px;
    margin: 32px 0;
    font-size: 16px;
    border-radius: 0 4px 4px 0;
}

.context-box p {
    margin-bottom: 8px;
}

.context-box p:last-child {
    margin-bottom: 0;
}

.context-label {
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted-on-light);
    margin-bottom: 8px;
}

/* === DIAGRAMS === */
.diagram {
    margin: 40px 0;
    text-align: center;
}

.diagram img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.diagram-caption {
    font-family: var(--font-ui);
    font-size: 13px;
    color: var(--color-muted-on-light);
    margin-top: 12px;
}

/* === RESPONSIVE === */
@media (max-width: 600px) {
    .article-content h2 {
        font-size: 22px;
    }

    .layer-row,
    .pattern-row {
        flex-wrap: wrap;
        gap: 8px;
    }

    .info-table,
    .contrast-table,
    .state-table {
        font-size: 14px;
    }

    .info-table th,
    .info-table td,
    .contrast-table th,
    .contrast-table td,
    .state-table th,
    .state-table td {
        padding: 10px 12px;
    }
}