/* Sub-pages of the News tool: the server-rendered article page (NewsPagesController),
   the API guide (api/) and the statistics page (stats/). Loaded after styles.css, which
   provides the tokens, reset, category badges, cards and sources list. */

.news-subpage .page-main {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-2xl);
}

.crumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.crumbs a {
    color: var(--text-secondary);
    text-decoration: none;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.crumbs a:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* ---------- Article page ---------- */

.article {
    max-width: 680px;
    margin: 0 auto;
}

.article-header h1 {
    font-size: clamp(1.75rem, 1.2rem + 2vw, 2.5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin: var(--spacing-sm) 0 var(--spacing-md);
    text-wrap: balance;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 1.25rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
}

.article-meta a {
    color: #a5b4fc;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.article-figure {
    margin: 0 0 var(--spacing-xl);
}

.article-figure img {
    display: block;
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    background: var(--card-bg);
}

.article-figure .post-detail-placeholder {
    width: 100%;
    margin: 0;
    border-radius: var(--radius-lg);
}

.article-body {
    font-size: 1.125rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.86);
}

.article-body p {
    margin-bottom: 1.4em;
}

.article .sources-section {
    max-width: none;
    margin: var(--spacing-xl) 0 0;
}

.crumbs-article {
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.sources-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sources-title i {
    color: var(--accent-primary);
}

.article-disclosure {
    margin-top: var(--spacing-xl);
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-muted);
}

.article-api {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: #0d0f17;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 14px;
}

.article-api h2 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.article-api p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.article-api pre,
.code-block {
    margin: var(--spacing-md) 0;
    padding: 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.8125rem;
    line-height: 1.6;
    color: #e2e8f0;
}

.article-api-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.article-api-links a,
.related-more a,
.footer-links a {
    color: #a5b4fc;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.article-pager {
    max-width: 680px;
    margin: var(--spacing-2xl) auto 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.pager-link {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    line-height: 1.4;
}

.pager-link span {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
}

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

.pager-next {
    grid-column: 2;
    text-align: right;
}

.related {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.related h2 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.related-more {
    margin-top: var(--spacing-lg);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0 var(--spacing-lg);
}

.article-missing {
    padding: var(--spacing-2xl) 0;
}

.article-missing h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.article-missing p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
    .news-subpage .page-main {
        padding: var(--spacing-md) var(--spacing-md) var(--spacing-2xl);
    }

    .article-body {
        font-size: 1.0625rem;
        line-height: 1.75;
    }

    .article-pager {
        grid-template-columns: 1fr;
    }

    .pager-next {
        grid-column: auto;
        text-align: left;
    }
}

/* ---------- Shared sub-page header ---------- */

.sub-hero {
    max-width: 760px;
    margin-bottom: var(--spacing-xl);
}

.sub-hero h1 {
    font-size: clamp(2rem, 1.3rem + 2.4vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-md);
    text-wrap: balance;
}

.sub-lede {
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--text-secondary);
    max-width: 62ch;
}

/* ---------- Statistics page ---------- */

.stats-filter {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 2px;
    padding: 3px;
    margin-bottom: var(--spacing-xl);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.seg-btn {
    min-height: 40px;
    padding: 0 1rem;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
}

.seg-btn[aria-pressed="true"] {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.seg-btn:focus-visible {
    outline: 2px solid var(--accent-secondary);
    outline-offset: 1px;
}

.stats-error {
    margin-bottom: var(--spacing-lg);
    color: #fca5a5;
}

.stats-body {
    transition: opacity var(--transition-fast);
}

.stats-body.is-loading {
    opacity: 0.55;
}

.kpi-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.kpi {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: var(--spacing-lg);
    background: #14141c;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    min-width: 0;
}

.kpi-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.kpi-value {
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.kpi-sub {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.stats-card {
    padding: var(--spacing-lg);
    background: #14141c;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    min-width: 0;
}

.stats-card h2 {
    font-size: 1.125rem;
    font-weight: 700;
}

.stats-card-head {
    margin-bottom: var(--spacing-md);
}

.stats-note {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-lg);
    align-items: start;
}

.stats-grid > .stats-card {
    margin-bottom: var(--spacing-lg);
}

.chart {
    width: 100%;
    min-height: 220px;
}

.chart svg {
    display: block;
    width: 100%;
    height: auto;
}

.chart .grid-line {
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 1;
}

.chart .axis-label {
    fill: var(--text-muted);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
}

.chart .value-label {
    fill: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
}

.chart .hit {
    fill: transparent;
    cursor: crosshair;
}

.chart .hit:hover {
    fill: rgba(255, 255, 255, 0.04);
}

.chart-tooltip {
    position: fixed;
    z-index: calc(var(--tt-z-modal, 1000) + 30);
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    max-width: 260px;
    padding: 0.55rem 0.75rem;
    background: #22222e;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    pointer-events: none;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.chart-tooltip[hidden] {
    display: none;
}

.chart-tooltip strong {
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.table-view {
    margin-top: var(--spacing-md);
}

.table-view summary {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    color: #a5b4fc;
    font-size: 0.875rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
}

.data-table th,
.data-table td {
    text-align: left;
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    vertical-align: top;
}

.data-table th {
    color: var(--text-muted);
    font-weight: 500;
}

.data-table td {
    color: var(--text-secondary);
}

.data-table .num {
    text-align: right;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
}

.bar-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.bar-row {
    display: grid;
    grid-template-columns: minmax(7rem, 38%) 1fr auto;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.875rem;
}

.bar-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cat-dot {
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.cat-dot.ai { background: var(--category-ai); }
.cat-dot.technology { background: var(--category-technology); }
.cat-dot.business { background: var(--category-business); }
.cat-dot.science { background: var(--category-science); }
.cat-dot.other { background: var(--category-other); }

.bar-track {
    height: 12px;
    display: flex;
}

.bar-fill {
    height: 100%;
    background: #7176f4;
    border-radius: 0 4px 4px 0;
}

.bar-value {
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    text-align: right;
    white-space: nowrap;
}

.fact-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md) var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.fact-list dt {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.fact-list dd {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stats-json {
    max-width: none;
}

@media (max-width: 900px) {
    .kpi-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .stats-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 0;
    }
}

@media (max-width: 480px) {
    .kpi {
        padding: var(--spacing-md);
    }

    .kpi-value {
        font-size: 1.75rem;
    }

    .stats-card {
        padding: var(--spacing-md);
    }

    .bar-row {
        grid-template-columns: minmax(5.5rem, 40%) 1fr auto;
        gap: var(--spacing-sm);
    }

    .fact-list {
        grid-template-columns: 1fr 1fr;
    }
}

/* ---------- API guide ---------- */

.api-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: var(--spacing-2xl);
    align-items: end;
    padding-bottom: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.api-hero h1 {
    font-size: clamp(2.1rem, 1.3rem + 2.8vw, 3.4rem);
    font-weight: 800;
    line-height: 1.06;
    letter-spacing: -0.035em;
    margin-bottom: var(--spacing-md);
    text-wrap: balance;
}

.api-quick-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.api-quick-facts {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.api-quick-facts a,
.api-section a,
.api-base a {
    color: #a5b4fc;
    text-underline-offset: 3px;
}

.api-section {
    max-width: 820px;
    margin-bottom: var(--spacing-2xl);
}

.api-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: var(--spacing-sm);
}

.api-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: var(--spacing-lg) 0 0;
    color: var(--text-secondary);
}

.api-section > p {
    color: var(--text-secondary);
    line-height: 1.65;
    max-width: 68ch;
}

.api-section code,
.api-base code,
.param-list code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.85em;
    color: #e2e8f0;
}

.api-section p code,
.api-base code,
.param-list dd code,
.plain-list code,
.endpoint-table td code {
    padding: 0.1em 0.35em;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.06);
}

.try-buttons {
    margin: var(--spacing-md) 0;
}

.try-buttons .seg-btn {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.8125rem;
}

.try-status {
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    padding-right: 0.4rem;
}

.try-output {
    max-height: 420px;
    min-height: 160px;
}

.table-scroll {
    overflow-x: auto;
    margin-top: var(--spacing-md);
}

.endpoint-table td:first-child {
    white-space: nowrap;
}

.api-base {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.param-list {
    display: flex;
    flex-direction: column;
    margin-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.param-list > div {
    display: grid;
    grid-template-columns: 11rem 1fr;
    gap: var(--spacing-md);
    padding: 0.7rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.param-list dt {
    font-weight: 600;
}

.param-list dd {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.plain-list {
    margin: var(--spacing-md) 0 0 1.1rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.plain-list li {
    margin-bottom: 0.5rem;
}

.plain-list strong {
    color: var(--text-primary);
}

.faq-section details {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.faq-section summary {
    min-height: 52px;
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    gap: 0.75rem;
}

.faq-section summary::-webkit-details-marker {
    display: none;
}

.faq-section summary::before {
    content: '+';
    flex-shrink: 0;
    width: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.faq-section details[open] summary::before {
    content: '\2212';
}

.faq-section summary:focus-visible {
    outline: 2px solid var(--accent-secondary);
    outline-offset: 2px;
}

.faq-section details p {
    padding: 0 0 var(--spacing-md) 1.75rem;
    color: var(--text-secondary);
    line-height: 1.65;
    max-width: 68ch;
}

.api-more {
    max-width: 820px;
}

@media (max-width: 900px) {
    .api-hero {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--spacing-lg);
    }
}

@media (max-width: 600px) {
    .param-list > div {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .endpoint-table td:first-child {
        white-space: normal;
    }

    .try-output {
        max-height: 320px;
    }
}