:root {
  --paper: #f6f1e7;
  --paper-raised: #fffaf0;
  --ink: #1e1a16;
  --ink-soft: #5c5349;
  --rule: #d9cfbd;
  --ember: #b8400e;
  --ember-soft: #f3dcc9;
  --moss: #3f6b3a;
  --moss-soft: #dfe9d3;
  --amber: #8a5a00;
  --amber-soft: #f4e6c3;
  --code-bg: #221d18;
  --code-ink: #efe6d6;
  --code-comment: #a59a89;
  --code-keyword: #f0935c;
  --code-type: #e7c56e;
  --code-string: #a9cf8b;
  --code-number: #8fc3d6;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Code", "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #17130f;
    --paper-raised: #211b16;
    --ink: #efe6d6;
    --ink-soft: #b3a795;
    --rule: #3a3128;
    --ember: #f0935c;
    --ember-soft: #40261a;
    --moss: #a9cf8b;
    --moss-soft: #27331f;
    --amber: #e7c56e;
    --amber-soft: #3a2f14;
    --code-bg: #0f0c09;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --paper: #17130f;
  --paper-raised: #211b16;
  --ink: #efe6d6;
  --ink-soft: #b3a795;
  --rule: #3a3128;
  --ember: #f0935c;
  --ember-soft: #40261a;
  --moss: #a9cf8b;
  --moss-soft: #27331f;
  --amber: #e7c56e;
  --amber-soft: #3a2f14;
  --code-bg: #0f0c09;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.65 var(--sans);
}

a { color: var(--ember); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }

.skip {
  position: absolute;
  left: -999px;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 14px;
  z-index: 10;
}
.skip:focus { left: 8px; top: 8px; }

/* Header */
.bar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.bar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.mark {
  font: 700 22px/1 var(--serif);
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
  margin-right: auto;
}
.mark span { color: var(--ember); }
.nav { display: flex; gap: 2px; align-items: center; flex-wrap: wrap; }
.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 15px;
  padding: 6px 10px;
  border-radius: 6px;
}
.nav a:hover { color: var(--ink); background: var(--ember-soft); }
.nav a[aria-current="page"] { color: var(--ember); font-weight: 600; }
.lang { font-size: 14px; color: var(--ink-soft); text-decoration: none; white-space: nowrap; }
.lang:hover { color: var(--ember); text-decoration: underline; }
.theme {
  font: 14px var(--sans);
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  border-radius: 6px;
  padding: 5px 10px;
  cursor: pointer;
}
.theme:hover { color: var(--ink); border-color: var(--ink-soft); }

/* Layout */
main { max-width: 1120px; margin: 0 auto; padding: 0 24px 72px; }
.prose { max-width: 760px; }
.split { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 56px; align-items: start; }
.toc { position: sticky; top: 84px; font-size: 14px; padding-top: 48px; }
.toc p { margin: 0 0 8px; font-weight: 600; color: var(--ink-soft); }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 0; }
.toc a { display: block; padding: 3px 0; color: var(--ink-soft); text-decoration: none; }
.toc a:hover { color: var(--ember); }

h1, h2, h3 { font-family: var(--serif); line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: 44px; margin: 48px 0 16px; }
h2 { font-size: 29px; margin: 56px 0 12px; }
h3 { font-size: 21px; margin: 32px 0 8px; }
p { margin: 0 0 16px; }
li { margin-bottom: 6px; }
.lead { font-size: 20px; color: var(--ink-soft); max-width: 680px; }
code { font: 0.88em var(--mono); background: var(--ember-soft); padding: 1px 5px; border-radius: 4px; }

/* Code */
pre {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 16px 18px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 0 0 18px;
  font: 14.5px/1.6 var(--mono);
}
pre code { background: none; padding: 0; font: inherit; color: inherit; }
.tok-comment { color: var(--code-comment); font-style: italic; }
.tok-keyword { color: var(--code-keyword); }
.tok-type { color: var(--code-type); }
.tok-string { color: var(--code-string); }
.tok-number { color: var(--code-number); }
.result {
  margin: -18px 0 18px;
  padding: 7px 18px;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-top: 0;
  border-radius: 0 0 8px 8px;
  font: 13.5px/1.5 var(--mono);
  color: var(--ink-soft);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.result.bad { color: var(--ember); }

/* Home */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; padding: 56px 0 40px; }
.hero h1 { font-size: 58px; margin: 0 0 18px; line-height: 1.04; }
.hero .goal { color: var(--ember); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.button {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 7px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: 1px solid var(--ember);
  color: var(--ember);
}
.button.main { background: var(--ember); color: var(--paper); }
.button:hover { text-decoration: underline; }
.note-goal { font-size: 14.5px; color: var(--ink-soft); margin-top: 14px; }

.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; border-top: 1px solid var(--rule); padding-top: 28px; margin-top: 8px; }
.pillars h3 { margin-top: 0; }
.pillars p { color: var(--ink-soft); font-size: 16px; margin: 0; }

.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-block: 1px solid var(--rule); margin: 40px 0; }
.fact { padding: 18px 18px 18px 0; }
.fact + .fact { padding-left: 18px; border-left: 1px solid var(--rule); }
.fact b { display: block; font: 700 30px/1.15 var(--serif); }
.fact span { font-size: 14px; color: var(--ink-soft); line-height: 1.4; display: block; margin-top: 4px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { display: block; padding: 18px; background: var(--paper-raised); border: 1px solid var(--rule); border-radius: 8px; color: var(--ink); text-decoration: none; }
.card:hover { border-color: var(--ember); }
.card b { display: block; font: 700 19px var(--serif); margin-bottom: 4px; color: var(--ember); }
.card span { font-size: 15px; color: var(--ink-soft); }

/* Tables */
.table-wrap { overflow-x: auto; margin: 0 0 18px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-weight: 600; color: var(--ink-soft); white-space: nowrap; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.total td { font-weight: 600; }

.tag { display: inline-block; font-size: 13px; font-weight: 600; padding: 1px 8px; border-radius: 999px; white-space: nowrap; }
.tag.yes { background: var(--moss-soft); color: var(--moss); }
.tag.part { background: var(--amber-soft); color: var(--amber); }
.tag.no { background: var(--ember-soft); color: var(--ember); }

.callout { border-left: 3px solid var(--ember); padding: 12px 16px; background: var(--paper-raised); margin: 0 0 18px; }
.callout p:last-child { margin-bottom: 0; }

.meter { display: grid; grid-template-columns: 96px minmax(0, 1fr) 62px; gap: 8px 10px; align-items: center; font-size: 14px; margin-bottom: 18px; }
.meter .row-name { grid-column: 1 / -1; font-weight: 600; margin-top: 10px; }
.meter i { display: block; height: 11px; border-radius: 2px; background: var(--ink-soft); }
.meter i.kon { background: var(--ember); }
.meter span { color: var(--ink-soft); }
.meter span.value { text-align: right; font-variant-numeric: tabular-nums; }

.api { margin-bottom: 18px; }
.api-item, .api-type { padding: 10px 0; border-bottom: 1px solid var(--rule); }
.api-item code, .api-type code { display: block; background: none; padding: 0; font-size: 14px; overflow-wrap: anywhere; color: var(--ink); }
.api-type code { font-weight: 700; color: var(--ember); }
.api-item p, .api-type p { margin: 4px 0 0; font-size: 15px; color: var(--ink-soft); }
h2 small { font: 400 16px var(--sans); color: var(--ink-soft); margin-left: 8px; letter-spacing: 0; }
h3 code { font-size: 0.72em; margin-right: 6px; }

.game { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: center; padding: 28px 0; border-top: 1px solid var(--rule); }
.game img { display: block; width: 100%; height: auto; border-radius: 6px; image-rendering: pixelated; }
.game h2 { margin-top: 0; }
.game-meta { font-size: 14px; color: var(--ink-soft); margin: 0; }

footer { border-top: 1px solid var(--rule); }
.foot { max-width: 1120px; margin: 0 auto; padding: 20px 24px 32px; font-size: 14px; color: var(--ink-soft); display: flex; gap: 8px 24px; flex-wrap: wrap; justify-content: space-between; }

.foot-links { display: flex; gap: 6px 16px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .game { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .hero { grid-template-columns: minmax(0, 1fr); padding-top: 32px; gap: 28px; }
  .hero h1 { font-size: 42px; }
  .pillars { grid-template-columns: minmax(0, 1fr); }
  .split { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .toc { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .bar { position: static; }
  .bar-inner { padding: 10px 16px; gap: 8px 12px; flex-wrap: wrap; }
  .nav { order: 3; width: 100%; margin: 0 -10px; }
  .nav a { padding: 4px 10px; font-size: 14px; }
  main { padding: 0 16px 56px; }
  h1 { font-size: 34px; margin-top: 28px; }
  .hero h1 { font-size: 36px; }
  h2 { font-size: 25px; margin-top: 40px; }
  .lead { font-size: 18px; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact, .fact + .fact { padding: 14px 10px 14px 0; border-left: 0; }
  .fact b { font-size: 25px; }
  pre { font-size: 13px; padding: 12px 14px; }
  .foot { padding: 18px 16px 28px; }
}