/* v16: semantic surfaces, editorial hierarchy and accessible day/night controls.
   Loaded after v14; all changes belong to the CryptoNews document. */
:root {
  color-scheme: dark;
  --bg: #030812;
  --panel: #081321;
  --panel-2: #0d1829;
  --surface-raised: #102235;
  --surface-soft: #102033;
  --text: #edf8ff;
  --muted: #a9b9cb;
  --cyan: #55e2df;
  --blue: #89bdff;
  --pink: #ff91c6;
  --green: #6de3ae;
  --amber: #f9cf82;
  --red: #ff96a9;
  --line: #2d4358;
  --line-hot: #4b9baf;
  --selection: #123c46;
  --on-accent: #03191c;
  --overlay: rgba(1, 8, 16, .76);
  --shadow: 0 14px 36px rgba(0, 0, 0, .18);
  --tag: #d0bfff;
  --tag-bg: #211e3d;
  --visual-bg: #06121d;
  --visual-ink: #edf8ff;
}
html[data-theme="light"] {
  color-scheme: light;
  --bg: #f2f6fa;
  --panel: #ffffff;
  --panel-2: #edf3f8;
  --surface-raised: #ffffff;
  --surface-soft: #e7eff5;
  --text: #172b40;
  --muted: #45576b;
  --cyan: #00646c;
  --blue: #205ca0;
  --pink: #9a2465;
  --green: #096347;
  --amber: #785000;
  --red: #b12549;
  --line: #b8c8d5;
  --line-hot: #46818c;
  --selection: #d6eef0;
  --on-accent: #ffffff;
  --overlay: rgba(28, 47, 64, .45);
  --shadow: 0 12px 32px rgba(39, 66, 91, .09);
  --tag: #59418c;
  --tag-bg: #eee8f8;
  --visual-bg: #e3edf4;
  --visual-ink: #ffffff;
}
body { background: var(--bg); }
button, input, select, output { font: inherit; }
button, select, a { touch-action: manipulation; }
button, a, input, select { outline-offset: 3px; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}
.terminal-header, .command-bar, .category-tabs { background: var(--bg); backdrop-filter: none; }
.brand-copy small, .metrics dd { color: var(--muted); }
.metrics div { background: var(--panel); }
.brand-copy em { color: var(--pink); }
.icon-button { min-width: 44px; min-height: 44px; }
.icon-button b { background: var(--pink); color: var(--on-accent); }
.live-pill, .live-pill.is-stale, .live-pill.is-offline { background: var(--panel); border-color: currentColor; }
.ticker-stack, .ticker-label { background: var(--panel); }
.ticker { color: var(--text); border-color: var(--line); }
.ticker-label { color: var(--cyan); }
.ticker--market .ticker-label { color: var(--amber); }
.mode-tabs button, .time-tabs button, .category-tabs button, .refresh-button, .search {
  background: var(--panel);
  color: var(--muted);
}
.mode-tabs button:hover, .time-tabs button:hover, .category-tabs button:hover, .refresh-button:hover { color: var(--text); }
.mode-tabs button.is-active, .time-tabs button.is-active, .category-tabs button.is-active {
  background: var(--cyan);
  color: var(--on-accent);
  box-shadow: none;
}
.category-tabs em { background: var(--selection); color: var(--cyan); }
.search input::placeholder { color: var(--muted); opacity: 1; }
.translation-state { background: var(--surface-soft); color: var(--blue); }
.news-card { background: var(--panel); border-color: var(--line); transition: border-color .16s ease, box-shadow .16s ease; }
.news-card::before { height: 3px; background: var(--card-accent); }
.news-card:hover { transform: none; border-color: var(--card-accent); box-shadow: var(--shadow); }
.story-body { padding: 18px; }
.story-meta { color: var(--cyan); font-size: 11px; line-height: 1.5; }
.story-meta time { color: var(--muted); }
.story-title { font-size: clamp(18px, 1.7vw, 23px); line-height: 1.3; letter-spacing: -.025em; }
.story-summary { color: var(--muted); font-size: 14px; line-height: 1.6; margin-top: 11px; }
.story-tags span { background: var(--tag-bg); color: var(--tag); border-color: var(--line); }
.story-footer { gap: 8px; flex-wrap: wrap; }
.impact-value { color: var(--muted); }
.impact-bar { background: var(--surface-soft); }
.story-open { min-height: 44px; padding: 8px 4px; }
.story-visual { background: var(--visual-bg); }
.visual-badge, .visual-impact { color: var(--visual-ink); background: rgba(3, 8, 18, .88); backdrop-filter: none; }
.visual-impact { font-size: 11px; }
.news-card.is-read .story-title { font-weight: 650; }
.news-card.is-read .story-meta .source::before { content: "✓ "; }
.news-card.is-bookmarked { border-inline-start: 3px solid var(--amber); }
.story-state-actions { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.story-state-actions button { flex: 1 1 auto; }
.story-state-actions button[aria-pressed="true"], .story-state-actions .is-read { background: var(--selection); color: var(--cyan); border-color: var(--line-hot); }
.story-state-actions .is-bookmarked, .story-state-actions [data-bookmark-story][aria-pressed="true"] { color: var(--amber); border-color: var(--amber); }
.feed-tools button, .feed-pager button, .dialog-actions button, .related-stories button, .news-histogram button, .map-tooltip button,
.story-state-actions button, .news-workbench button, .news-briefing button, .news-filter-summary button, .source-detail button, .map-controls button {
  min-height: 44px; padding: 10px 13px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--panel-2); color: var(--text); cursor: pointer;
  transition: border-color .16s ease, background-color .16s ease, color .16s ease;
}
.feed-tools button[aria-pressed="true"], .dialog-actions button[aria-pressed="true"], .histogram-bars button[aria-pressed="true"] {
  background: var(--selection); color: var(--cyan); border-color: var(--line-hot);
}
#new-items-button { background: var(--cyan); color: var(--on-accent); }
.time-group { color: var(--cyan); background: var(--surface-soft); border-color: var(--cyan); margin-bottom: 2px; }
.news-histogram, .media-desk, .rail-card, .map-view { background: var(--panel); }
.news-histogram header { flex-wrap: wrap; }
.histogram-bars button { background: var(--surface-soft); padding: 0; border-radius: 5px; }
.histogram-bars i { background: var(--cyan); opacity: .28; }
.histogram-bars span { color: var(--text); text-shadow: none; }
.video-card, .price-row { background: var(--panel-2); border-color: var(--line); }
.video-live { color: var(--on-accent); }
.live-channel { background: var(--surface-soft); color: var(--red); border-color: var(--line); }
.price-symbol small, .price-foot, .activity-item, .activity-item time, .sentiment-labels, .health-row span, .health-row small { color: var(--muted); }
.price-range { display: block; height: 5px; }
.sentiment-labels b { color: var(--text); }
.sentiment-meter i { border-color: var(--text); background: var(--panel); box-shadow: none; }
.watch-symbols span, .context-status { background: var(--surface-soft); }
.section-status { background: var(--panel-2); border-color: var(--line); }
.health-row { grid-template-columns: 8px minmax(0, 1fr) auto; padding: 5px 0; gap: 8px; font-size: 12px; }
.health-row > button { min-height: 44px; padding: 7px 0; border: 0; background: transparent; text-align: start; color: var(--text); cursor: pointer; overflow-wrap: anywhere; }
.health-row small { font-size: 10px; }
.health-row.is-quiet i { background: var(--amber); }
.source-detail { margin-top: 12px; padding: 13px; border: 1px solid var(--line-hot); border-radius: 12px; background: var(--surface-soft); overflow-wrap: anywhere; }
.source-detail h3, .source-detail p { margin: 0 0 9px; }
.source-detail dl { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 8px; margin: 0 0 12px; font-size: 12px; }
.source-detail dt { color: var(--muted); }
.source-detail dd { margin: 0; text-align: end; }
.source-detail a { color: var(--cyan); }
.news-briefing { padding: 22px; margin-bottom: 16px; border: 1px solid var(--line); border-inline-start: 3px solid var(--cyan); border-radius: var(--radius); background: var(--panel); }
.news-briefing h2 { margin: 0; font-size: clamp(21px, 2.3vw, 29px); letter-spacing: -.03em; line-height: 1.2; }
.news-briefing > p { color: var(--muted); font-size: 14px; line-height: 1.55; margin: 10px 0 18px; }
.briefing-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 10px; margin: 16px 0; }
.briefing-metrics > div { padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel-2); min-width: 0; }
.briefing-metrics dt, .briefing-metrics small { color: var(--muted); font-size: 11px; line-height: 1.5; }
.briefing-metrics dd, .briefing-metrics strong { display: block; margin: 4px 0 0; color: var(--text); font: 750 24px/1.3 ui-monospace, monospace; overflow-wrap: anywhere; }
.briefing-topics { display: flex; flex-wrap: wrap; gap: 7px; margin: 12px 0; }
.briefing-topics button { color: var(--cyan); background: var(--surface-soft); }
.briefing-stories { display: grid; gap: 8px; list-style: none; margin: 14px 0 0; padding: 0; }
.briefing-stories button { width: 100%; text-align: start; line-height: 1.5; overflow-wrap: anywhere; background: var(--panel); }
.briefing-stories small { display: block; margin-top: 4px; color: var(--muted); }
.news-workbench { margin-bottom: 14px; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.news-workbench > summary { cursor: pointer; font-size: 14px; font-weight: 750; min-height: 44px; padding: 10px 0; }
.news-workbench > div, .workbench-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.news-workbench label { display: grid; gap: 7px; min-width: 0; color: var(--muted); font-size: 12px; line-height: 1.4; }
.health-row > small:last-child { grid-column: 2 / -1; white-space: normal; }
.story-state-actions [data-story-action="bookmark"][aria-pressed="true"] { color: var(--amber); border-color: var(--amber); }
.news-workbench select, .news-workbench input, .map-controls select, .map-controls input {
  min-height: 44px; width: 100%; min-width: 0; padding: 10px; border: 1px solid var(--line); border-radius: 9px;
  background: var(--panel-2); color: var(--text);
}
.news-workbench input[type="checkbox"] { width: 20px; min-height: 20px; accent-color: var(--cyan); }
.news-filter-summary { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin: 10px 0 14px; color: var(--muted); font-size: 12px; line-height: 1.6; overflow-wrap: anywhere; }
.news-filter-summary button { margin-inline-start: auto; }
#news-action-status { color: var(--cyan); font-size: 12px; line-height: 1.5; overflow-wrap: anywhere; }
.map-legend { color: var(--muted); }
.map-stage { background: var(--panel-2); }
.map-controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin: 14px 0; }
.map-controls label { display: grid; gap: 6px; flex: 1 1 160px; min-width: 0; color: var(--muted); font-size: 12px; }
.map-tooltip, .map-summary { background: var(--surface-raised); box-shadow: var(--shadow); backdrop-filter: none; }
.map-tooltip { max-height: min(280px, 80%); }
.map-source-list { flex-wrap: wrap; overflow: visible; }
.map-source-list button { min-height: 44px; max-width: 100%; white-space: normal; overflow-wrap: anywhere; background: var(--panel-2); color: var(--text); }
.map-source-list button.is-active { background: var(--selection); color: var(--cyan); }
.map-hub-label { color: var(--amber); }
.notification-panel, .story-dialog { background: var(--panel); color: var(--text); box-shadow: var(--shadow); }
.notification-panel select { min-height: 44px; max-width: min(180px, 48vw); background: var(--panel-2); color: var(--text); }
.setting-row, .setting-range { background: var(--panel-2); }
.setting-row input[type="checkbox"] { width: 44px; height: 44px; flex: none; }
.setting-range input { min-height: 44px; }
#muted-sources label { min-height: 44px; }
#muted-sources input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--cyan); flex: none; }
.permission-button { background: var(--cyan); color: var(--on-accent); min-height: 44px; }
.drawer-head button, .dialog-close { width: 44px; height: 44px; }
.drawer-backdrop, .story-dialog::backdrop { background: var(--overlay); backdrop-filter: none; }
.dialog-side { background: var(--panel-2); }
.dialog-main > p { color: var(--muted); }
.dialog-facts div, .story-facts > div { background: var(--surface-soft); }
.dialog-facts, .story-facts { overflow-wrap: anywhere; }
.story-facts { display: grid; gap: 8px; margin: 14px 0; }
.story-facts > div { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 7px 12px; padding: 11px; border-radius: 9px; font-size: 12px; }
.story-facts dt { color: var(--muted); }
.story-facts dd { margin: 0; }
.original-link { min-height: 44px; align-items: center; }
.priority-orbit { background: var(--surface-soft); border-color: var(--line-hot); box-shadow: none; }
.priority-orbit strong { color: var(--cyan); }
.signal-evidence { background: var(--surface-soft); }
.toast { background: var(--surface-raised); color: var(--text); box-shadow: var(--shadow); }
.loading-grid i { background: var(--panel-2); animation: none; }
html[data-theme="light"] .story-visual.generated { background: radial-gradient(circle at 75% 30%, #bedee5, transparent 45%), linear-gradient(135deg, #e9f2f7, #d3e3ed); }
html[data-theme="light"] .story-visual.generated::before { border-color: rgba(38, 98, 114, .25); box-shadow: 0 0 0 22px rgba(38, 98, 114, .03), 0 0 0 56px rgba(38, 98, 114, .02); }
html[data-theme="light"] .story-visual::after { background: linear-gradient(to top, rgba(26, 57, 74, .18), transparent 65%); }
html[data-theme="light"] .story-visual img { opacity: .92; }
html[data-theme="light"] .generated-line { filter: none; opacity: .3; }
html[data-theme="light"] .brand-mark { box-shadow: none; }

@media (max-width: 900px) {
  .terminal-header { grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }
  .metrics { grid-column: 1 / -1; order: 3; grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .metrics div:nth-child(4) { display: block; }
  .workspace { grid-template-columns: minmax(0, 1fr); }
  .insight-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .command-bar { position: static; flex-wrap: wrap; }
  .category-tabs { position: static; flex-wrap: wrap; overflow: visible; }
  .mode-tabs, .time-tabs { flex-wrap: wrap; }
  .time-tabs { width: auto; overflow: visible; }
  .search { flex: 1 1 200px; }
  .mode-tabs button, .time-tabs button, .category-tabs button, .refresh-button, .live-channel { min-height: 44px; }
  .search { height: 44px; }
  #news-ticker-track button { min-height: 44px; }
  .ticker { height: 44px; line-height: 44px; }
  .map-heading { align-items: start; flex-wrap: wrap; gap: 12px; }
  .map-stage { height: clamp(300px, 48vh, 440px); }
  .dialog-layout { grid-template-columns: minmax(0, 1fr); }
  .dialog-main h2 { font-size: clamp(24px, 5vw, 36px); }
  .story-footer, .dialog-actions { flex-wrap: wrap; }
  .news-workbench > div, .workbench-grid { grid-template-columns: repeat(auto-fit, minmax(min(160px, 100%), 1fr)); }
}
@media (max-width: 600px) {
  .terminal-header { padding-inline: 12px; }
  .brand { gap: 8px; }
  .brand-copy small { letter-spacing: .08em; }
  .header-actions { max-width: none; min-width: 0; gap: 6px; }
  .live-pill { padding: 8px; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metrics div:nth-child(3), .metrics div:nth-child(4) { display: block; }
  .news-grid, .loading-grid, .insight-rail { grid-template-columns: minmax(0, 1fr); }
  .news-briefing { padding: 16px; }
  .briefing-metrics { gap: 8px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .briefing-metrics dd, .briefing-metrics strong { font-size: 21px; }
  .news-workbench { padding: 13px; }
  .news-filter-summary button { margin-inline-start: 0; }
  .story-body { padding: 16px; }
  .story-state-actions button { flex: 1 1 40%; font-size: 12px; }
  .news-grid[data-view="timeline"] .news-card { display: block; }
  .news-grid[data-view="timeline"] .story-visual { height: 130px; min-height: 0; }
  .map-controls { align-items: stretch; }
  .map-controls label, .map-controls button { flex: 1 1 100%; }
  .map-summary { padding: 7px 9px; left: 8px; bottom: 8px; max-width: calc(100% - 16px); }
  .map-summary strong { font-size: 17px; }
  .map-tooltip { top: 8px; left: 8px; max-width: calc(100% - 16px); }
  .notification-panel { width: min(410px, 100vw); }
  .setting-row { gap: 8px; padding: 11px; }
  .setting-row b { overflow-wrap: anywhere; font-size: 13px; }
  .notification-panel select { max-width: 48%; min-width: 0; }
  .dialog-actions button { flex: 1 1 42%; }
  .story-dialog { width: calc(100vw - 16px); max-height: calc(100dvh - 16px); border-radius: 16px; }
}

/* Suppress continuous CSS effects under every motion budget, including pseudos. */
[data-news-motion="off"] *, [data-news-motion="off"] *::before, [data-news-motion="off"] *::after,
[data-news-motion="reduced"] *, [data-news-motion="reduced"] *::before, [data-news-motion="reduced"] *::after,
html[data-runtime-pressure="high"] *, html[data-runtime-pressure="high"] *::before, html[data-runtime-pressure="high"] *::after,
.terminal.is-pressure *, .terminal.is-pressure *::before, .terminal.is-pressure *::after {
  animation: none !important;
  transition: none !important;
  scroll-behavior: auto !important;
  will-change: auto !important;
}
[data-news-motion="off"] #news-ticker-track, [data-news-motion="off"] #market-ticker-track,
[data-news-motion="reduced"] #news-ticker-track, [data-news-motion="reduced"] #market-ticker-track,
html[data-runtime-pressure="high"] #news-ticker-track, html[data-runtime-pressure="high"] #market-ticker-track,
.terminal.is-pressure #news-ticker-track, .terminal.is-pressure #market-ticker-track {
  transform: none !important;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; will-change: auto !important; }
  #news-ticker-track, #market-ticker-track { transform: none !important; }
}
@media (prefers-contrast: more) {
  :root { --line: #728da5; }
  html[data-theme="light"] { --line: #61788b; }
}