/*
 * End of the World. Dark by design: every value below is a documented
 * dark-mode step, validated with the dataviz palette checker against the
 * #1a1a19 chart surface. Status colours (war / flashpoint) are reserved for
 * state and always ship with an icon and a label.
 */
.eotw {
  color-scheme: dark;
  --page:      #0d0d0d;
  --surface:   #1a1a19;
  --ink:       #ffffff;
  --ink-2:     #c3c2b7;
  --muted:     #898781;
  --grid:      #2c2c2a;
  --axis:      #383835;
  --border:    rgba(255, 255, 255, 0.10);
  --land:      #2c2c2a;
  --land-nuke: color-mix(in srgb, #184f95 45%, #2c2c2a);   /* a tint of blue 600, so the blue bubbles stay legible on top */

  /* categorical, dark steps */
  --s1: #3987e5;
  --s2: #d95926;
  --s3: #199e70;
  --s4: #c98500;

  /* ordinal readiness ramp (validated --ordinal --mode dark), most ready brightest */
  --ord-1: #9ec5f4;
  --ord-2: #6da7ec;
  --ord-3: #3987e5;
  --ord-4: #1c5cab;

  /* status - reserved meaning */
  --critical: #d03b3b;
  --warning:  #fab219;

  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  border-radius: 14px;
  padding: clamp(18px, 4vw, 48px);
  margin-bottom: 3rem;
  line-height: 1.55;
}
.eotw a { color: #86b6ef; }
.eotw a:hover { color: #b7d3f6; }
.eotw h1, .eotw h2, .eotw h3, .eotw h4 { color: var(--ink); font-weight: 650; }
.eotw h1 { font-size: clamp(2.4rem, 6vw, 4rem); line-height: 1.05; margin: 0.2rem 0 1rem; letter-spacing: -0.02em; }
.eotw h2 { font-size: 1.7rem; margin: 0 0 0.4rem; }
.eotw h3.sub { font-size: 1.15rem; margin: 2.2rem 0 0.5rem; }
.eotw p { color: var(--ink-2); }
.eotw strong { color: var(--ink); }
.eotw .muted { color: var(--muted); }
.eotw .small { font-size: 0.85rem; }
.eotw code { color: var(--ink-2); background: var(--surface); padding: 1px 5px; border-radius: 4px; }

/* ---------- hero ---------- */
.eotw-hero { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; }
.eotw-kicker { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.78rem; color: var(--muted) !important; margin: 0; }
.eotw-lede { font-size: 1.15rem; max-width: 40rem; }
.eotw-clock { margin: 0; text-align: center; max-width: 230px; }
.eotw-clock figcaption { font-size: 0.85rem; color: var(--ink-2); margin-top: 0.4rem; }
.eotw-clock-face { width: 200px; height: 200px; margin: 0 auto; }
@media (max-width: 720px) { .eotw-hero { grid-template-columns: 1fr; } }

.eotw-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin: 1.8rem 0 1rem; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.kpi-value { font-size: 2rem; font-weight: 650; color: var(--ink); line-height: 1.1; }
.kpi-label { color: var(--ink-2); font-size: 0.88rem; margin-top: 4px; }

.eotw-disclaimer { font-size: 0.88rem; border-left: 3px solid var(--axis); padding-left: 12px; color: var(--muted) !important; }

.eotw-toc { display: flex; flex-wrap: wrap; gap: 6px; margin: 1.4rem 0 0.5rem; position: sticky; top: 56px; z-index: 5;
  background: color-mix(in srgb, var(--page) 88%, transparent); backdrop-filter: blur(6px); padding: 8px 0; }
.eotw-toc a { font-size: 0.85rem; color: var(--ink-2); text-decoration: none; border: 1px solid var(--border);
  border-radius: 999px; padding: 4px 12px; }
.eotw-toc a:hover { color: var(--ink); border-color: var(--axis); background: var(--surface); }

/* ---------- sections & cards ---------- */
.eotw-section { margin-top: 4rem; scroll-margin-top: 110px; }
.section-lede { max-width: 48rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px; position: relative; }
.eotw-stack { display: grid; gap: 14px; }
.eotw-grid-2 { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 14px; }
@media (max-width: 900px) { .eotw-grid-2 { grid-template-columns: 1fr; } }
.scroll-x { overflow-x: auto; }
@media (max-width: 760px) { .scroll-x > div { min-width: 760px; } }
.map-holder svg, #arsenal-bars svg, #clock-chart svg, #timeline-chart svg,
#covid-deaths svg, #excess-bars svg, #sir-chart svg, .eotw-clock-face svg { display: block; width: 100%; height: auto; }

.callout { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--s1);
  border-radius: 10px; padding: 14px 16px; margin: 1.2rem 0 0; }
.callout.china { border-left-color: var(--s2); }
.callout p { margin: 0; }

/* ---------- controls ---------- */
.eotw-controls { display: inline-flex; gap: 0; margin: 0.6rem 0 0.9rem; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg { background: transparent; color: var(--ink-2); border: 0; padding: 6px 14px; font-size: 0.88rem; cursor: pointer; }
.seg + .seg { border-left: 1px solid var(--border); }
.seg:hover { background: var(--surface); color: var(--ink); }
.seg.is-active { background: var(--axis); color: var(--ink); font-weight: 600; }
.seg:focus-visible, .eotw button:focus-visible, .eotw input:focus-visible { outline: 2px solid #86b6ef; outline-offset: 2px; }

/* ---------- legends ---------- */
.legend { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; font-size: 0.82rem; color: var(--ink-2); margin-top: 8px; }
.legend-top { margin: 0 0 8px; }
.key { display: inline-block; vertical-align: middle; margin-right: -8px; }
.key-rect { width: 12px; height: 12px; border-radius: 3px; background: var(--k); }
.key-line { width: 16px; height: 2px; background: var(--k); border-radius: 2px; }
.key-bubble { width: 12px; height: 12px; border-radius: 50%; background: rgba(57, 135, 229, 0.35); border: 1.5px solid var(--s1); }
.key-status { width: auto; font-size: 0.8rem; }
.key-war { color: var(--critical); }
.key-tension { color: var(--warning); }
.key-new { background: var(--s2); outline: 2px solid var(--ink); outline-offset: -1px; }

/* ---------- map ---------- */
.land { fill: var(--land); stroke: var(--surface); stroke-width: 0.6; }
.land.nuke { fill: var(--land-nuke); }
.land.hl-war { fill: color-mix(in srgb, var(--critical) 45%, var(--land)); }
.land.hl-tension { fill: color-mix(in srgb, var(--warning) 32%, var(--land)); }
.land.hl-strike { fill: color-mix(in srgb, var(--critical) 70%, var(--land)); }
.land.hl-theater { fill: color-mix(in srgb, var(--warning) 45%, var(--land)); }
.land.covid { fill: var(--s2); }
.land.covid-new { fill: var(--s2); stroke: var(--ink); stroke-width: 1.2; }
.land, .bubble, .flash, .tl-dot, .bar-hit { transition: fill 400ms ease, opacity 400ms ease; }
.sphere { fill: var(--surface); }
.graticule { fill: none; stroke: var(--grid); stroke-width: 0.5; }
.bubble { fill: rgba(57, 135, 229, 0.30); stroke: var(--s1); stroke-width: 1.5; cursor: pointer; }
.bubble:hover, .bubble:focus { fill: rgba(57, 135, 229, 0.55); outline: none; }
.bubble-label { fill: var(--ink); font-size: 13px; font-weight: 600; pointer-events: none; paint-order: stroke; stroke: var(--surface); stroke-width: 3px; }
.flash { cursor: pointer; paint-order: stroke; stroke: var(--surface); stroke-width: 2px; }
.flash-war { fill: var(--critical); }
.flash-tension { fill: var(--warning); }
.arc { fill: none; stroke: var(--critical); stroke-width: 1.6; stroke-linecap: round; opacity: 0.9; }
.arc-tactical { stroke: var(--warning); }
.haze { pointer-events: none; }

/* ---------- charts ---------- */
.axis text, .axis-label { fill: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.axis path, .axis line { stroke: var(--axis); }
.gridline { stroke: var(--grid); stroke-width: 1; }
.line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.dot { stroke: var(--surface); stroke-width: 2; }
.end-label { fill: var(--ink-2); font-size: 13px; }
.end-label strong, .value-label { fill: var(--ink); font-weight: 600; font-size: 13px; }
.crosshair { stroke: var(--ink-2); stroke-width: 1; pointer-events: none; }
.lane-label { fill: var(--ink-2); font-size: 13px; }
.lane-rule { stroke: var(--grid); }
.break-band { fill: rgba(57, 135, 229, 0.06); }
.break-label { fill: var(--muted); font-size: 11px; }
.tl-dot { fill: var(--s1); stroke: var(--surface); stroke-width: 2; cursor: pointer; }
.tl-dot.is-old { fill: #5598e7; opacity: 0.55; }
.tl-dot:hover, .tl-dot:focus, .tl-dot.is-selected { fill: var(--ink); opacity: 1; outline: none; }

/* ---------- timeline detail ---------- */
.detail { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; margin-top: 10px; min-height: 3.2rem; }
.detail p { margin: 0; }
.detail time { color: var(--muted); font-variant-numeric: tabular-nums; margin-right: 8px; }
.detail .tag, .event-list .tag { font-size: 0.72rem; border: 1px solid var(--border); border-radius: 999px; padding: 1px 8px; color: var(--ink-2); margin-right: 6px; }

/* ---------- escalation film ---------- */
.film { margin: 0; }
.film video { display: block; width: 100%; height: auto; border-radius: 12px; background: #000; border: 1px solid var(--border); }
.chapters { gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.js-only-flex { display: none; }
.js .js-only-flex { display: flex; }
.chapter { background: var(--surface); color: var(--ink-2); border: 1px solid var(--border); border-radius: 999px;
  padding: 4px 12px; font-size: 0.85rem; cursor: pointer; }
.chapter:hover { color: var(--ink); border-color: var(--axis); }
.chapter.is-active { background: var(--axis); color: var(--ink); border-color: var(--axis); }
.transcript .steps { list-style: none; padding: 0; margin: 12px 0 0; }
.transcript .step { margin-bottom: 1rem; }
.step h3 { font-size: 1.05rem; margin: 0 0 0.3rem; }
.figure { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.figure-value { display: block; font-size: 2rem; font-weight: 650; color: var(--ink); line-height: 1.1; }
.figure-label { color: var(--ink-2); font-size: 0.9rem; }

.branches { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.branch { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.branch h4 { margin: 0.2rem 0 0.4rem; font-size: 1.05rem; }
.status { font-size: 0.78rem; margin: 0; font-weight: 600; }
.status-war, .status-war span { color: var(--critical) !important; }
.status-tension, .status-tension span { color: var(--warning) !important; }

/* ---------- AI path ---------- */
.ai-path { list-style: none; padding: 0; margin: 1rem 0 0; position: relative; }
.ai-path::before { content: ""; position: absolute; left: 17px; top: 20px; bottom: 20px; width: 2px; background: var(--axis); }
.ai-node { display: grid; grid-template-columns: 36px 1fr; gap: 14px; margin-bottom: 12px; position: relative; }
.ai-node > div { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; transition: border-color 300ms ease; }
.ai-node h3 { font-size: 1.05rem; margin: 0 0 0.3rem; }
.ai-node p { margin: 0; }
.ai-index { width: 36px; height: 36px; border-radius: 50%; background: var(--surface); border: 2px solid var(--axis);
  display: grid; place-items: center; font-weight: 650; color: var(--ink-2); position: relative; z-index: 1; }
.ai-node.is-active > div { border-color: var(--s1); }
.ai-node.is-active .ai-index { border-color: var(--s1); color: var(--ink); }

/* ---------- covid player & SIR ---------- */
.player { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.player .play { background: var(--axis); color: var(--ink); border: 0; border-radius: 50%; width: 34px; height: 34px; cursor: pointer; }
.player input[type=range] { flex: 1; min-width: 160px; accent-color: var(--s2); }
.player-date { font-variant-numeric: tabular-nums; color: var(--ink); font-weight: 600; min-width: 7.5rem; }
.player-count { color: var(--ink-2); font-size: 0.88rem; }
.sir-controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px 18px; margin-bottom: 12px; }
.sir-controls label { font-size: 0.85rem; color: var(--ink-2); display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; align-items: baseline; }
.sir-controls input { grid-column: 1 / -1; accent-color: var(--s1); }
.sir-controls output { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; grid-row: 1; grid-column: 2; }
.sir-out { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin-top: 10px; }
.sir-out div { border-top: 1px solid var(--border); padding-top: 8px; }
.sir-out b { display: block; font-size: 1.4rem; color: var(--ink); }
.sir-out span { color: var(--ink-2); font-size: 0.82rem; }

/* ---------- tables, notes, sources ---------- */
.table-view { margin-top: 12px; }
.table-view summary { cursor: pointer; color: var(--ink-2); font-size: 0.88rem; }
.table-view table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 0.85rem; }
.table-view th, .table-view td { text-align: right; padding: 5px 8px; border-bottom: 1px solid var(--grid); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.table-view th:first-child, .table-view thead th { text-align: left; }
.table-view thead th { color: var(--muted); font-weight: 600; }
.table-view tr.total th, .table-view tr.total td { color: var(--ink); font-weight: 600; }
.table-view h4 { font-size: 0.95rem; margin-top: 1rem; }
.notes { color: var(--ink-2); font-size: 0.85rem; padding-left: 1.2rem; }
.source-line { font-size: 0.8rem; color: var(--muted) !important; }
.event-list { padding-left: 1.2rem; color: var(--ink-2); font-size: 0.88rem; }
.event-list li { margin-bottom: 4px; }
.event-list time { color: var(--muted); font-variant-numeric: tabular-nums; margin-right: 6px; }
.sources { color: var(--ink-2); font-size: 0.9rem; padding-left: 1.4rem; }
.sources li { margin-bottom: 6px; scroll-margin-top: 120px; }
.sources li:target { background: var(--surface); border-radius: 6px; outline: 1px solid var(--s1); }
.sources .muted { display: block; font-size: 0.8rem; }
.cites { line-height: 0; }
.cite { font-size: 0.7rem; text-decoration: none; margin-left: 2px; padding: 0 3px; border-radius: 3px; background: var(--axis); color: var(--ink-2) !important; }
.cite:hover { background: var(--s1); color: var(--ink) !important; }

/* ---------- tooltip ---------- */
.eotw-tip { position: fixed; z-index: 1000; pointer-events: none; background: #232321; color: var(--ink, #fff);
  border: 1px solid rgba(255,255,255,0.14); border-radius: 8px; padding: 8px 10px; font: 13px/1.35 system-ui, sans-serif;
  max-width: 280px; box-shadow: 0 6px 24px rgba(0,0,0,0.45); opacity: 0; transition: opacity 120ms ease; }
.eotw-tip.is-on { opacity: 1; }
.eotw-tip .tip-value { font-size: 15px; font-weight: 650; color: #fff; }
.eotw-tip .tip-label { color: #c3c2b7; }
.eotw-tip .tip-row { display: flex; align-items: center; gap: 6px; }
.eotw-tip .tip-key { width: 12px; height: 2px; border-radius: 2px; flex: none; }

@media (prefers-reduced-motion: reduce) {
  .eotw *, .eotw *::before { animation: none !important; transition: none !important; }
}
.eotw-error { color: var(--critical) !important; }