/* article.css — article page styles */

/* === READING PROGRESS === */
.reading-progress { position: fixed; top: 0; left: 0; width: 0; height: 2px; background: var(--accent); z-index: 1000; transition: width .1s linear; }

/* === ARTICLE CANVAS === */
.article-canvas { padding-top: max(3vmin, 24px); }

/* === ARTICLE HEADER === */
.article-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; font-family: var(--font-mono, var(--font-ui, system-ui)); }
.article-meta .meta-category { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.article-meta .meta-sep { width: 4px; height: 4px; border-radius: 50%; background: var(--muted); display: inline-block; flex-shrink: 0; }
.article-meta .meta-date { font-size: 11px; color: var(--muted); letter-spacing: 0.02em; }
.article-meta .meta-reading-time { font-size: 11px; color: var(--muted); margin-left: auto; letter-spacing: 0.02em; }
.article-meta .meta-compiler { font-size: 11px; color: var(--muted); font-style: italic; }

/* Conflict level badge */
.meta-conflict { font-size: 10px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; padding: 2px 8px; border-radius: 2px; white-space: nowrap; }
.meta-conflict-high { background: var(--accent); color: #fff; }
.meta-conflict-medium { background: #e67e22; color: #fff; }
.meta-conflict-low { background: var(--border); color: var(--muted); }

.article-title { font-family: var(--font-display); font-size: var(--text-2xl, clamp(24px, 3.2vw, 32px)); font-weight: 400; margin: 0 0 20px; line-height: var(--leading-tight, 1.15); letter-spacing: var(--tracking-display, -0.02em); }
.article-subtitle { font-family: var(--font-display); font-style: italic; font-size: var(--text-lg, clamp(17px, 2.2vw, 21px)); line-height: 1.5; color: var(--fg-2); margin: 0 0 max(4vmin, 28px); border-bottom: 1px solid var(--border); padding-bottom: max(3vmin, 24px); }

/* === BODY === */
.article-canvas > p:first-of-type { font-size: 1.1em; line-height: 1.7; }
.article-canvas h2 { position: relative; padding-top: max(2vmin, 16px); }
.article-canvas h2::before { content: ""; position: absolute; top: 0; left: 0; width: 32px; height: 2px; background: var(--accent); }

/* === ARTICLE END === */
.article-end { text-align: center; margin: max(4vmin, 32px) 0 max(2vmin, 16px); font-family: var(--font-display); color: var(--muted); font-size: 14px; letter-spacing: 0.15em; }
.article-end::before { content: "§"; font-size: 20px; }

/* === EMBED BLOCK === */
.block-embed { margin: max(3vmin, 24px) 0; }
.embed-video { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: var(--radius-sm, 0); }
.embed-video iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }
.embed-map { border-radius: var(--radius-sm, 0); overflow: hidden; }
.embed-map iframe { width: 100%; height: 360px; border: 0; }
.embed-chart { border-radius: var(--radius-sm, 0); overflow: hidden; background: var(--surface); border: 1px solid var(--border); }
.embed-chart iframe { display: block; border: 0; }
.embed-generic iframe { width: 100%; min-height: 200px; border: 1px solid var(--border); border-radius: var(--radius-sm, 0); }
.embed-caption { font-family: var(--font-mono, var(--font-ui, system-ui)); font-size: 12px; color: var(--muted); text-align: left; margin-top: 8px; }

/* === TABLE === */
.block-table-wrapper { margin: max(3vmin, 24px) 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.block-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono, var(--font-ui, system-ui)); font-size: 14px; line-height: 1.5; }
.block-table thead { background: var(--surface-warm); }
.block-table th { padding: 10px 12px; text-align: left; font-weight: 600; color: var(--fg); border-bottom: 2px solid var(--fg); white-space: nowrap; }
.block-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); color: var(--fg-2); }
.block-table tbody tr:hover { background: var(--surface-warm); }
.block-table code { font-family: var(--font-mono, monospace); font-size: 13px; background: var(--surface-warm); padding: 1px 4px; border-radius: 2px; }

/* === SOURCES === */
.article-sources { margin-top: max(4vmin, 32px); padding-top: max(3vmin, 24px); border-top: 1px solid var(--border); }
.article-sources h3 { font-family: var(--font-mono, var(--font-ui, system-ui)); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.source-list { list-style: none; padding: 0; margin: 0; }
.source-item { padding: 8px 0; border-bottom: 1px solid var(--border-soft); font-size: 14px; line-height: 1.5; }
.source-item .source-name { font-family: var(--font-mono, var(--font-ui, system-ui)); font-size: 11px; font-weight: 600; color: var(--muted); display: block; margin-bottom: 2px; }
.source-item a { color: var(--fg-2); text-decoration: none; border-bottom: 1px solid var(--border); transition: color .15s, border-color .15s; }
.source-item a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.article-source-count { font-family: var(--font-mono, var(--font-ui, system-ui)); font-size: 13px; font-weight: 600; color: var(--accent); margin-bottom: 8px; }

/* === RELATED === */
.related-articles { margin-top: max(5vmin, 40px); padding-top: max(3vmin, 24px); border-top: 2px solid var(--fg); }
.related-articles h3 { font-family: var(--font-mono, var(--font-ui, system-ui)); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.related-articles ul { list-style: none; padding: 0; margin: 0; }
.related-articles li { padding: 12px 0; border-bottom: 1px solid var(--border-soft); }
.related-articles li:last-child { border-bottom: none; }
.related-articles a { font-family: var(--font-display); font-size: 16px; line-height: 1.4; color: var(--fg); text-decoration: none; }
.related-articles a:hover { color: var(--accent); }
.related-articles .related-series-badge { display: inline-block; margin-left: 8px; font-family: var(--font-mono, var(--font-ui, system-ui)); font-size: 10px; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; }

/* === NEWSLETTER === */
.newsletter-signup { margin-top: max(5vmin, 40px); padding: max(3vmin, 24px); background: var(--surface-warm); border: 1px solid var(--border); text-align: center; }
.newsletter-signup p { font-family: var(--font-display); font-size: 15px; color: var(--fg); margin-bottom: 12px; }
.newsletter-signup form { display: flex; gap: 8px; justify-content: center; max-width: 380px; margin: 0 auto; }
.newsletter-signup input[type=email] { padding: 10px 14px; border: 1px solid var(--border); background: var(--bg); color: var(--fg); font-family: var(--font-body); font-size: 14px; flex: 1; outline: none; border-radius: var(--radius-sm, 0); }
.newsletter-signup input[type=email]:focus { border-color: var(--accent); }
.newsletter-signup button { padding: 10px 20px; background: var(--accent); color: var(--accent-on, #fff); border: none; font-family: var(--font-mono, var(--font-ui, system-ui)); font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; cursor: pointer; transition: opacity .15s; }
.newsletter-signup button:hover { opacity: 0.85; }

/* === LANG SWITCHER === */
.lang-switcher { font-family: var(--font-mono, var(--font-ui, system-ui)); font-size: 12px; color: var(--muted); margin-bottom: 16px; letter-spacing: 0.02em; }
.lang-switcher a { color: var(--accent); text-decoration: none; }
.lang-switcher a:hover { text-decoration: underline; }
.lang-switcher .lang-current { color: var(--fg); font-weight: 600; }

/* === TOC (desktop sidebar) === */
.article-toc { position: fixed; top: 160px; left: clamp(8px, calc(50vw - 680px), 120px); width: 150px; max-height: calc(100vh - 180px); overflow-y: auto; font-family: var(--font-mono, var(--font-ui, system-ui)); font-size: 12px; line-height: 1.5; z-index: 10; }
.article-toc .toc-label { font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; padding-left: 8px; }
.article-toc ul { list-style: none; padding: 0; margin: 0; }
.article-toc a { display: block; padding: 4px 8px; color: var(--fg-2); text-decoration: none; border-left: 2px solid transparent; transition: all .12s; }
.article-toc a:hover { color: var(--accent); border-left-color: var(--border); }
.article-toc a.toc-active { color: var(--accent); border-left-color: var(--accent); font-weight: 600; background: var(--surface-warm); }
@media (max-width: 1099px) { .article-toc { display: none; } }

/* === TOC MOBILE === */
.toc-mobile { margin: 0 0 20px; font-family: var(--font-mono, var(--font-ui, system-ui)); border: 1px solid var(--border); border-radius: var(--radius-sm, 0); background: var(--surface); }
.toc-mobile summary { padding: 10px 14px; font-size: 13px; font-weight: 600; color: var(--fg); cursor: pointer; }
.toc-mobile ul { list-style: none; padding: 0 14px 10px; margin: 0; }
.toc-mobile a { display: block; padding: 6px 0; color: var(--fg-2); text-decoration: none; font-size: 13px; border-bottom: 1px solid var(--border-soft); }
.toc-mobile a:last-child { border-bottom: none; }
.toc-mobile a:hover { color: var(--accent); }
@media (min-width: 1100px) { .toc-mobile { display: none; } }

/* === FULL VIEW BANNER === */
.full-view-banner { margin-bottom: 16px; font-family: var(--font-mono, var(--font-ui, system-ui)); font-size: 12px; }
.full-view-banner a { color: var(--muted); text-decoration: none; }
.full-view-banner a:hover { color: var(--accent); }

/* === ARTICLE PAGER === */
.article-pager { margin: max(3vmin, 24px) 0; padding: max(2vmin, 16px) 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 16px; font-family: var(--font-mono, var(--font-ui, system-ui)); }
.article-pager .pager-links { display: flex; align-items: center; gap: 16px; }
.article-pager a, .article-pager span { font-size: 13px; color: var(--fg-2); text-decoration: none; letter-spacing: 0.02em; }
.article-pager a:hover { color: var(--accent); }
.article-pager .pager-disabled { color: var(--muted); opacity: 0.4; }
.article-pager .pager-info { font-size: 12px; color: var(--muted); font-weight: 600; }
.article-pager .pager-all { font-size: 12px; color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
@media (max-width: 640px) { .article-pager { flex-direction: column; gap: 8px; } }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .article-meta { flex-wrap: wrap; gap: 8px; }
  .article-meta .meta-reading-time { margin-left: 0; }
  .article-subtitle { font-size: 16px; }
  .newsletter-signup form { flex-direction: column; }
}