:root {
  --bg: #0f1114;
  --panel: #14171b;
  --line: #23272e;
  --text: #d7dbe0;
  --muted: #8b949e;
  --accent: #ffd23f;
  --red: #ff2d2d;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
  color-scheme: dark;
  accent-color: var(--accent);
}

@layer base, layout, parts;

@layer base {
  *, *::before, *::after { box-sizing: border-box; }
  html { background: var(--bg); color: var(--text); font: 100%/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
  body { margin: 0; }
  h1, h2, h3 { line-height: 1.2; text-wrap: balance; margin-block: 0 0.5em; }
  h1 { font-size: clamp(1.8rem, 5vw + 0.5rem, 3rem); }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
  p { margin-block: 0 0.75em; text-wrap: pretty; }
  a { color: var(--accent); }
  small { color: var(--muted); }
  :focus-visible { outline: 0.15rem solid var(--accent); outline-offset: 0.15rem; }
  button, input { font: inherit; color: inherit; }
  button {
    background: var(--panel); border: 1px solid var(--muted); border-radius: 0.25rem;
    padding: 0.45em 0.9em; cursor: pointer; min-block-size: 2.5rem;
  }
  button:hover { border-color: var(--accent); }
  button[aria-pressed="true"] { background: var(--accent); color: var(--bg); border-color: var(--accent); }
  input[type="text"] {
    background: #0b0d10; border: 1px solid var(--muted); border-radius: 0.25rem;
    padding: 0.45em 0.7em; min-block-size: 2.5rem; flex: 1 1 14rem;
  }
  table { border-collapse: collapse; inline-size: 100%; font-size: 0.9rem; }
  th, td { text-align: start; padding: 0.4em 0.7em; border-block-end: 1px solid var(--line); }
  th { color: var(--muted); font-weight: 600; white-space: nowrap; }
  details { margin-block: 1rem; }
  summary { cursor: pointer; color: var(--muted); }
  canvas { display: block; inline-size: 100%; }
  [hidden] { display: none; }
}

@layer layout {
  header.site, footer.site, main { max-inline-size: 70rem; margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
  header.site { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 0.5rem 2rem; padding-block: 1rem; border-block-end: 1px solid var(--line); max-inline-size: none; }
  header.site nav ul { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; list-style: none; margin: 0; padding: 0; }
  main > section { padding-block: 2rem; border-block-end: 1px solid var(--line); }
  main > section:last-child { border-block-end: 0; }
  main > section:first-child { padding-block-start: 1rem; }
  footer.site { padding-block: 2rem; padding-inline: max(clamp(1rem, 4vw, 2rem), calc((100% - 70rem) / 2 + clamp(1rem, 4vw, 2rem))); color: var(--muted); font-size: 0.85rem; max-inline-size: none; border-block-start: 1px solid var(--line); }
  .cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); gap: 0.75rem; }
  .stage { display: grid; gap: 1rem 2rem; grid-template-columns: minmax(0, 1fr); grid-template-areas: "view" "ctrl" "count" "side"; }
  @media (min-width: 60rem) { .stage { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); grid-template-areas: "view side" "ctrl ctrl" "count count"; } }
  .stage:has(.map:not([hidden])) { grid-template-columns: minmax(0, 1fr); grid-template-areas: "view" "ctrl" "count" "side"; }
  .view { grid-area: view; position: relative; inline-size: min(100%, calc(100svh - 17rem)); min-inline-size: min(100%, 18rem); margin-inline: auto; }
  .stage:has(.map:not([hidden])) .view { inline-size: 100%; }
  .stage:has(.map:not([hidden])) .side { flex-direction: row; flex-wrap: wrap; align-items: flex-end; }
  .stage:has(.map:not([hidden])) .side > * { flex: 1 1 20rem; }
  .side { grid-area: side; display: flex; flex-direction: column; justify-content: space-between; gap: 1rem; }
  .controls { grid-area: ctrl; display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem; font-size: 0.85rem; max-inline-size: 52rem; inline-size: 100%; margin-inline: auto; }
  .controls button { min-block-size: 2rem; padding: 0.2em 0.9em; }
  .controls input[type="range"] { flex: 1 1 8rem; min-inline-size: 6rem; }
  .stats { display: grid; grid-template-columns: 1fr; gap: 0.75rem; margin: 1.5rem 0 0; }
  @media (min-width: 30rem) { .stats { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 56rem) { .stats { grid-template-columns: repeat(4, 1fr); } }
  .row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
  .scroll { overflow-x: auto; }
}

@layer parts {
  .skip { position: absolute; inset-inline-start: 0.5rem; inset-block-start: -4rem; background: var(--accent); color: var(--bg); padding: 0.5rem 1rem; z-index: 2; }
  .skip:focus { inset-block-start: 0.5rem; }
  .brand { margin: 0; font: 700 1.25rem var(--mono); letter-spacing: 0.14em; text-transform: uppercase; }
  .brand i { font-style: italic; color: var(--red); }
  .brand a { color: var(--accent); text-decoration: none; }
  header.site nav a { color: var(--text); text-decoration: none; }
  header.site nav a:hover, header.site nav a[aria-current] { color: var(--accent); text-decoration: underline; }
  .visually-hidden { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .accent { color: var(--accent); }
  .combat { color: var(--accent); }
  .muted { color: var(--muted); }
  .hero h2 { font-size: clamp(2.2rem, 7vw + 0.5rem, 5.25rem); font-weight: 800; line-height: 1.02; letter-spacing: -0.02em; max-inline-size: 18ch; }
  .hero h2::after { content: ""; display: block; block-size: 0.7rem; margin-block-start: 1.25rem; max-inline-size: 18ch; background: repeating-linear-gradient(-45deg, var(--accent) 0 0.8rem, var(--bg) 0.8rem 1.6rem); }
  mark { background: var(--accent); color: var(--bg); padding-inline: 0.15em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
  .lede { font-size: 1.15rem; max-inline-size: 48rem; }
  .note, .fine { color: var(--muted); font-size: 0.85rem; }

  .stats > div, .panel { background: var(--panel); border: 1px solid var(--line); border-radius: 0.25rem; padding: 0.75rem 1rem; }
  .stats dt { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
  .stats > div { display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; }
  .stats dd { margin: 0; font-family: var(--mono); font-size: 1.5rem; }
  .stats dd span { white-space: nowrap; }
  .stats dd small { display: block; font-size: 0.75rem; }
  .big { font-family: var(--mono); font-size: 2rem; line-height: 1.1; margin-block-end: 0.25rem; }
  .big output:first-child { color: var(--accent); }
  .unit { font-size: 0.85rem; color: var(--muted); }
  .locate label { display: block; margin-block-end: 0.35rem; color: var(--muted); }
  #loc-status { color: var(--muted); margin-block: 0.75rem 1rem; }

  .pulse { display: inline-block; inline-size: 0.75rem; block-size: 0.75rem; border-radius: 50%; background: var(--line); vertical-align: middle; margin-inline-start: 0.5rem; }
  .pulse.tick { background: var(--accent); }

  .map {
    inline-size: 100%; aspect-ratio: 2 / 1; background: #0b0d10 url("../img/land.svg") center / 100% 100% no-repeat;
    border: 1px solid var(--line); border-radius: 0.25rem; position: relative;
  }
  .map canvas { position: absolute; inset: 0; block-size: 100%; cursor: crosshair; }
  .nations { font-size: 0.9rem; margin-block-end: 0.5rem; }
  .nations th, .nations td { padding-block: 0.15em; }
  .nations th { font-size: 1.25rem; line-height: 1.2; font-weight: 400; inline-size: 20%; }
  .nations td:nth-child(2) { font-family: var(--mono); text-align: end; inline-size: 22%; }
  .nations td:nth-child(3) { inline-size: 58%; }
  .nations .bar { display: block; block-size: 0.5rem; inline-size: calc(var(--w, 0) * 100%); background: var(--accent); border-radius: 0.1rem; }
  .nations tr[data-zero="true"] { opacity: 0.4; }
  .globe canvas { aspect-ratio: 1; cursor: grab; touch-action: pan-y; }
  .globe canvas:active { cursor: grabbing; }
  .views { position: absolute; inset-block-start: 0; inset-inline-end: 0; z-index: 1; display: flex; gap: 0.25rem; }
  .views button { font-size: 0.75rem; min-block-size: 1.75rem; padding: 0.1em 0.6em; background: rgba(20, 23, 27, 0.85); }
  .views button[aria-pressed="true"] { background: var(--accent); }
  .speed { display: flex; align-items: center; gap: 0.5rem; color: var(--muted); }
  .speed input { inline-size: 6rem; flex: none; }
  .speed output { font-family: var(--mono); min-inline-size: 5.5rem; color: var(--text); }
  .counter { grid-area: count; text-align: center; margin: 0; color: var(--muted); }
  .counter output { display: block; font-family: var(--mono); font-size: clamp(2.25rem, 6vw, 3.5rem); line-height: 1.1; color: var(--accent); }
  #so-far { opacity: 0.6; }
  .centered { text-align: center; }
  .bars { block-size: 5.5rem; }
  .axis { display: flex; justify-content: space-between; margin: 0; font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }
  .legend { margin-block: 0.75rem 0.25rem; color: var(--muted); font-size: 0.85rem; }
  .key { display: inline-block; inline-size: 0.7rem; block-size: 0.7rem; border-radius: 50%; margin-inline: 0.75rem 0.25rem; vertical-align: baseline; }
  .key:first-child { margin-inline-start: 0; }
  .key.test { background: var(--accent); }
  .key.you { border: 2px solid #fff; border-radius: 0; transform: rotate(45deg) scale(0.8); }
  #year-out { font-family: var(--mono); font-size: 1rem; min-inline-size: 3rem; }

  .button { display: inline-block; background: var(--accent); color: var(--bg); padding: 0.55em 1.1em; border-radius: 0.25rem; text-decoration: none; font-weight: 600; }
  .poster { block-size: auto; border: 1px solid var(--line); max-inline-size: 36rem; }
  .links { display: flex; flex-wrap: wrap; gap: 0.25rem 0.5rem; list-style: none; margin-block: 0; padding: 0; }
  .links li + li::before { content: "\00b7"; margin-inline-end: 0.5rem; color: var(--muted); }
  .made { margin-block-end: 0.5rem; }
  footer.site a { color: var(--text); }
  .prose { max-inline-size: 42rem; }
  .prose h2 { margin-block-start: 2rem; }
  .prose li { margin-block-end: 0.4em; }
}

@media (forced-colors: active) {
  .stats > div, .panel, .map { border-color: CanvasText; }
  .pulse.tick { background: Highlight; }
}