/* ==========================================================================
   Signal Article Styles
   Shared styles for all sig-*.html article pages.
   Page-specific styles (tables, interactive components) stay inline.
   ========================================================================== */

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    background-color: var(--color-bg-light);
}

/* --- Page Header / Title --- */
.page-header {
    padding-top: 10rem;
    padding-bottom: 0;
    text-align: left;
    max-width: 780px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.page-header .h2 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 2.5rem;
    font-style: normal;
    font-weight: 800;
}

/* --- Article Content --- */
.article-content {
    max-width: 680px;
    margin: 0 auto;
    color: #2a2a2a;
    line-height: 1.8;
    font-size: var(--font-size-lg);
    padding-bottom: var(--spacing-16);
}

.article-content p {
    margin-bottom: var(--spacing-6);
}

.article-content h2,
.article-content h3 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.625rem;
    color: #1a1a1a;
    margin-top: var(--spacing-12);
    margin-bottom: var(--spacing-4);
}

.article-content ul {
    margin-bottom: var(--spacing-6);
    padding-left: var(--spacing-8);
}

.article-content li {
    margin-bottom: var(--spacing-2);
}

/* --- Subtitle & Byline --- */
/* Align left edge with .page-header content (780px box - 24px padding = 756px content).
   article-content is 680px. Offset = (780 - 680) / 2 - 24px padding = 26px */
.article-subtitle {
    font-size: 1.3rem;
    font-weight: 300;
    color: #444;
    line-height: 1.5;
    margin-bottom: var(--spacing-6);
    margin-left: -26px;
}

.article-byline {
    font-size: var(--font-size-sm);
    color: var(--color-slate-400);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-slate-200, #e2e8f0);
    margin-bottom: var(--spacing-8);
    margin-left: -26px;
}

/* --- Drop Cap --- */
.drop-cap::first-letter {
    font-family: 'Playfair Display', Georgia, serif;
    float: left;
    font-size: 3.6rem;
    line-height: 3rem;
    padding-right: 0.5rem;
    padding-top: 0.25rem;
    color: var(--color-primary);
    font-weight: 700;
}

/* --- Pullquote / Callout --- */
.pullquote {
    border-left: 4px solid var(--color-primary);
    padding: 0.5rem 0 0.5rem 1.5rem;
    margin: var(--spacing-8) 0;
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-slate-700, #334155);
    font-style: italic;
    line-height: 1.5;
}

.callout-box {
    background-color: var(--color-slate-50);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-6);
    margin: var(--spacing-8) 0;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    font-style: italic;
    color: var(--color-slate-800);
    font-size: var(--font-size-lg);
}

/* --- Images --- */
.article-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    margin: var(--spacing-8) 0;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-slate-200);
}

.article-image-preview {
    max-width: 100%;
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    margin: 0;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-slate-200);
    display: block;
}

/* --- Tables --- */
.score-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-8) 0;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-slate-200);
    font-size: var(--font-size-base);
}

.score-table th,
.score-table td {
    text-align: left;
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 1px solid var(--color-slate-200);
}

.score-table th {
    background-color: var(--color-slate-50);
    font-weight: 600;
    color: var(--color-slate-900);
}

.score-table tr:last-child td {
    border-bottom: none;
}

/* --- Preview Grid --- */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-8) var(--spacing-6);
    margin-bottom: var(--spacing-8);
    margin-top: var(--spacing-4);
}

@media (max-width: 840px) {
    .article-subtitle,
    .article-byline {
        margin-left: 0;
    }
}

@media (max-width: 640px) {
    .preview-grid {
        grid-template-columns: 1fr;
    }
}

.preview-item {
    display: flex;
    flex-direction: column;
}

.preview-item h4 {
    margin-bottom: var(--spacing-3);
    margin-top: 0;
    font-size: var(--font-size-base);
    color: var(--color-slate-800);
}