/* Pointsman brand (pointsman/brand/BRAND.md): ink, cream, green for the decision taken. */
:root {
  --ink: #171717;
  --cream: #F5F2EC;
  --green: #2E9E6B;
  --amber: #C98A1B;
  --red: #C8463A;
  --grey: #8f8a82;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'IBM Plex Sans', 'IBM Plex Sans JP', 'Hiragino Sans', 'Noto Sans JP', sans-serif;

  color-scheme: dark;
  --bg: #141414;
  --fg: var(--cream);
  --fg-2: #d6d2ca;
  --muted: #a8a49c;
  --panel: #1c1c1c;
  --panel-2: #242424;
  --line: #2e2e2e;
  --code-bg: #101010;
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg: var(--cream);
  --fg: var(--ink);
  --fg-2: #3d3a34;
  --muted: #6b665e;
  --panel: #FBFAF7;
  --panel-2: #F1EEE7;
  --line: #DCD6CA;
  --code-bg: #F1EEE7;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: var(--cream); --fg: var(--ink); --fg-2: #3d3a34; --muted: #6b665e;
    --panel: #FBFAF7; --panel-2: #F1EEE7; --line: #DCD6CA; --code-bg: #F1EEE7;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.55 var(--sans); }
a { color: inherit; text-underline-offset: 3px; }
code, pre { font-family: var(--mono); font-size: 0.86em; }
h1 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); line-height: 1.15; margin: 0; letter-spacing: -0.01em; }

h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 0 0 8px; }
h3 { font-size: 0.95rem; margin: 18px 0 6px; }
p { margin: 0 0 10px; }
.muted { color: var(--muted); }
.kicker { display: block; font: 500 0.8rem var(--mono); color: var(--muted); letter-spacing: 0.01em; }

.top { position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 24px; background: var(--bg); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; font: 600 15px var(--mono); }
.brand .tag { font-weight: 400; color: var(--muted); }
.mark.dark { display: none; }
:root[data-theme="dark"] .mark.light { display: none; }
:root[data-theme="dark"] .mark.dark { display: inline; }
nav { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font: 14px var(--sans); color: var(--fg); background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 0 14px; min-height: 40px; cursor: pointer; }
.chip:hover { border-color: var(--muted); }
.chip[aria-pressed="true"] { background: var(--fg); color: var(--bg); border-color: var(--fg); }

.layout { display: grid; grid-template-columns: minmax(0, 1fr); max-width: 1280px; margin: 0 auto; }
.layout.with-dev { grid-template-columns: minmax(0, 1fr) minmax(320px, 420px); }
main { padding: 24px; display: grid; gap: 16px; align-content: start; min-width: 0; }
.intro { max-width: 70ch; }
.note { color: var(--fg-2); border-left: 3px solid var(--amber); padding-left: 10px; }

.map-wrap { position: relative; }
#map { height: 60vh; min-height: 360px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.legend { position: absolute; left: 10px; bottom: 10px; display: grid; gap: 4px; font-size: 13px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.legend > span { display: flex; align-items: center; gap: 8px; }
.sw { width: 14px; height: 14px; border-radius: 3px; display: inline-block; }
.sw.era-old { background: var(--red); }
.sw.era-mid { background: var(--amber); }
.sw.era-new { background: var(--green); }
.sw.era-unknown { background: var(--grey); }
.status { margin: 6px 0 0; font-size: 14px; color: var(--muted); min-height: 1.4em; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; }
.card dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 8px 0 0; }
.card dt { color: var(--muted); }
.card dd { margin: 0; }
.card .unknown { color: var(--muted); font-style: italic; }
.card.next { border-style: dashed; }
.card.next strong { display: block; margin: 2px 0 6px; }

.dev { border-left: 1px solid var(--line); padding: 24px; background: var(--panel); min-width: 0; }
.dev pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px; overflow: auto; max-height: 50vh; white-space: pre-wrap; word-break: break-all; }
.links { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 14px; }

footer { padding: 16px 24px 32px; color: var(--muted); font-size: 13px; max-width: 1280px; margin: 0 auto; }

@media (max-width: 860px) {
  .layout.with-dev { grid-template-columns: minmax(0, 1fr); }
  .dev { border-left: 0; border-top: 1px solid var(--line); }
  main, .dev { padding: 16px; }
  .top { padding: 8px 16px; }
  #map { height: 55vh; }
}
@media (max-width: 420px) { nav { gap: 6px; } .chip { font-size: 13px; padding: 0 10px; } }