/**
 * UAECalc Long-Form SEO Article Stylesheet
 * Engineered for AEO, GEO, readability, and high conversion
 */

.article-section-container,
.article-content,
.article-content-wrapper {
    max-width: var(--article-max, 840px);
    width: 100%;
    margin: var(--space-8) auto var(--space-12);
    padding: var(--space-8);
    box-sizing: border-box;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--card-shadow);
}

.article-inner-card {
    width: 100%;
    background: transparent;
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.article-body,
.article-content,
.article-content-wrapper,
.article-section-container,
.article-inner-card {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--text-secondary);
}

.article-body h2,
.article-content h2,
.article-content-wrapper h2,
.article-section-container h2 {
    font-family: var(--font-heading);
    font-size: 1.55rem;
    font-weight: 800;
    margin: var(--space-8) 0 var(--space-4);
    color: var(--text-primary);
    scroll-margin-top: 90px;
    position: relative;
    line-height: 1.3;
}

.article-body h3,
.article-content h3,
.article-content-wrapper h3,
.article-section-container h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin: var(--space-6) 0 var(--space-3);
    color: var(--text-primary);
    scroll-margin-top: 90px;
    line-height: 1.35;
}

.article-body h4,
.article-content h4,
.article-content-wrapper h4,
.article-section-container h4 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    margin: var(--space-4) 0 var(--space-2);
    color: var(--text-primary);
}

.article-body p,
.article-content p,
.article-content-wrapper p,
.article-section-container p {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.75;
    margin-bottom: var(--space-5);
    color: var(--text-secondary);
}

.article-body ul,
.article-content ul,
.article-content-wrapper ul,
.article-section-container ul,
.article-body ol,
.article-content ol,
.article-content-wrapper ol,
.article-section-container ol {
    margin-bottom: var(--space-5);
    padding-left: var(--space-6);
    line-height: 1.8;
}

.article-body li,
.article-content li,
.article-content-wrapper li,
.article-section-container li {
    margin-bottom: var(--space-2);
}

.article-body strong,
.article-content strong,
.article-content-wrapper strong,
.article-section-container strong {
    color: var(--text-primary);
    font-weight: 700;
}

/* Callout & Fact Cards */
.info-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--color-primary-600);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    margin: var(--space-6) 0;
    box-shadow: var(--card-shadow);
}

.info-card-gold {
    border-left-color: var(--color-gold-500);
    background-color: #fffbeb;
}

[data-theme="dark"] .info-card-gold {
    background-color: rgba(245, 158, 11, 0.08);
}

.info-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

/* Step-by-Step Scenario Cards */
.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-4);
    margin: var(--space-6) 0;
}

.use-case-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
}

.use-case-number {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary-100);
    color: var(--color-primary-800);
    font-weight: 800;
    font-size: 0.8125rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-3);
}

[data-theme="dark"] .use-case-number {
    background-color: rgba(var(--color-primary-rgb), 0.25);
    color: #5eead4;
}

.use-case-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.use-case-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Clean Responsive Tables */
.table-responsive-wrapper,
.table-responsive {
    width: 100%;
    overflow-x: auto;
    margin: var(--space-6) 0;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.styled-table,
.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9375rem;
    background-color: var(--bg-surface);
}

.styled-table th,
.data-table th {
    background-color: var(--bg-surface-subtle);
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.styled-table td,
.data-table td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color-subtle);
    color: var(--text-secondary);
}

.styled-table tr:last-child td,
.data-table tr:last-child td {
    border-bottom: none;
}

.styled-table tr:hover td,
.data-table tr:hover td {
    background-color: var(--bg-surface-subtle);
}

/* Universal FAQ Accordion (Both .faq-accordion-group and .faq-accordion) */
.faq-accordion-group,
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin: var(--space-6) 0;
}

.faq-item {
    background-color: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--color-primary-500);
}

.faq-item.active {
    border-color: var(--color-primary-600);
    box-shadow: var(--card-shadow);
    background-color: var(--bg-surface);
}

/* Question triggers - button or h3 */
.faq-question-btn,
.faq-question,
h3.faq-question,
button.faq-question-btn {
    width: 100%;
    padding: var(--space-3) var(--space-4) !important;
    background: transparent;
    border: none;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-heading);
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    line-height: 1.45 !important;
    color: var(--text-primary);
    cursor: pointer;
    margin: 0 !important;
    user-select: none;
}

.faq-question-btn span:first-child,
.faq-question span:first-child,
h3.faq-question span:first-child {
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    line-height: 1.45 !important;
}

.faq-icon-chevron {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon-chevron {
    transform: rotate(180deg);
    color: var(--color-primary-600);
}

/* Fallback chevron for h3.faq-question that doesn't have an icon element */
.faq-question:not(:has(.faq-icon-chevron))::after {
    content: "▼";
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: transform var(--transition-fast), color var(--transition-fast);
    margin-left: var(--space-3);
    flex-shrink: 0;
}

.faq-item.active .faq-question:not(:has(.faq-icon-chevron))::after {
    transform: rotate(180deg);
    color: var(--color-primary-600);
}

/* Answer panels - .faq-answer-panel and .faq-answer */
.faq-answer-panel,
.faq-answer {
    display: none;
    padding: 0 var(--space-5) var(--space-5);
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
    border-top: 1px solid var(--border-color-subtle);
    padding-top: var(--space-3);
}

.faq-item.active .faq-answer-panel,
.faq-item.active .faq-answer {
    display: block;
}

/* Author Byline & Verification Badge */
.article-meta-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background-color: var(--bg-surface-subtle);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-6);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.article-meta-header strong {
    color: var(--text-secondary);
}

.verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--color-primary-700);
    font-weight: 700;
}

[data-theme="dark"] .verified-badge {
    color: var(--color-primary-500);
}

/* Related Calculators Cards */
.related-calc-block {
    margin: var(--space-10) 0;
    padding: var(--space-6);
    background-color: var(--bg-surface-subtle);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
}

.related-calc-block h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-4);
}

.related-calc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.related-calc-link-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    text-decoration: none;
    display: block;
    transition: all var(--transition-fast);
}

.related-calc-link-card:hover {
    border-color: var(--color-primary-500);
    transform: translateY(-2px);
    box-shadow: var(--card-shadow);
}

.related-calc-link-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.related-calc-link-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* "Was this helpful?" Interaction */
.feedback-box {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin: var(--space-8) 0;
}

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

.feedback-actions {
    display: flex;
    gap: var(--space-2);
}

.feedback-btn {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-surface-subtle);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.feedback-btn:hover {
    background: var(--border-color);
}

.feedback-btn.active {
    background: var(--color-primary-600);
    color: #ffffff;
    border-color: var(--color-primary-600);
}

/* Mobile Responsive Article Presentation - Beautifully Framed Card */
@media (max-width: 768px) {
    .article-section-container,
    .article-content,
    .article-content-wrapper {
        padding: var(--space-6) var(--space-5) !important;
        margin: var(--space-6) 0 !important;
        background: var(--bg-surface) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: var(--radius-xl) !important;
        box-shadow: var(--card-shadow) !important;
        box-sizing: border-box !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .article-body {
        padding-left: 0 !important;
        padding-right: 0 !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .article-body p,
    .article-body li,
    .article-content p {
        font-size: 0.98rem !important;
        line-height: 1.7 !important;
        margin-bottom: var(--space-4) !important;
        word-break: break-word !important;
    }

    .article-body h2,
    .article-content h2,
    .article-section-container h2 {
        font-size: 1.35rem !important;
        line-height: 1.35 !important;
        margin: var(--space-6) 0 var(--space-3) !important;
    }

    .article-body h3,
    .article-content h3,
    .article-section-container h3 {
        font-size: 1.15rem !important;
        line-height: 1.35 !important;
        margin: var(--space-5) 0 var(--space-2) !important;
    }

    .article-meta-header {
        padding: var(--space-3) var(--space-3) !important;
        margin-bottom: var(--space-4) !important;
        border-radius: var(--radius-md) !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .info-card,
    .statutory-card,
    .comparison-grid,
    .faq-accordion,
    .faq-item,
    .feedback-box,
    .table-responsive {
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
}