/* Shared look of the static reading pages: guide.html and the handbook (cam-nang/). */
:root {
  color-scheme: dark;
  --night: #140b08;
  --panel: #1c0907;
  --gold: #e3b04b;
  --gold-hi: #ffe3a0;
  --bone: #efdcb4;
  --bone-dim: #b9a585;
  --vermilion: #e0503f;
  --line: rgba(227, 176, 75, 0.38);
  --font-cn: 'Noto Serif TC', 'Songti TC', 'STSong', 'SimSun', serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--night);
  color: var(--bone);
  font-family: 'Noto Serif', 'Noto Serif TC', Georgia, serif;
  font-size: 16px;
  line-height: 1.65;
}
main { max-width: 860px; margin: 0 auto; padding: 24px 16px 56px; }
a { color: var(--gold-hi); }
h1 { margin: 8px 0 4px; font-size: 30px; color: var(--gold-hi); line-height: 1.3; }
h2 { margin: 44px 0 10px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 22px; color: var(--gold-hi); }
h3 { margin: 24px 0 6px; font-size: 18px; color: var(--gold); }
p, li { overflow-wrap: anywhere; }
ul, ol { padding-left: 22px; }
li + li { margin-top: 4px; }
.cn { font-family: var(--font-cn); }
.meta { margin: 0; color: var(--bone-dim); font-size: 14px; }
.top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; font-size: 14px; }
.play {
  display: inline-block; margin-top: 16px; padding: 10px 20px; border-radius: 999px;
  background: #8e1b14; border: 1px solid var(--gold); color: var(--gold-hi);
  font-weight: 700; text-decoration: none;
}
.play:hover { background: #a8231a; }
.toc { margin: 24px 0 0; padding: 12px 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.toc ol { margin: 0; columns: 2 220px; column-gap: 24px; }
.note { padding: 10px 14px; border-left: 3px solid var(--gold); background: var(--panel); border-radius: 0 10px 10px 0; }

.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
tr:last-child td { border-bottom: 0; }
th { color: var(--gold); }
.glyph { font-family: var(--font-cn); font-size: 20px; font-weight: 900; white-space: nowrap; }
.glyph .r { color: #ff7b6b; }

.figs { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 16px 0; }
.figs--wide { grid-template-columns: minmax(0, 420px); justify-content: center; }
figure.board { margin: 0; padding: 10px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
figure.board svg { display: block; width: 100%; height: auto; }
figcaption { margin-top: 8px; font-size: 14px; color: var(--bone-dim); }
figcaption b { color: var(--bone); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 14px; color: var(--bone-dim); }
.legend i { display: inline-block; vertical-align: -2px; width: 14px; height: 14px; margin-right: 6px; border-radius: 50%; }
.legend .dot { background: #1b8a5a; transform: scale(0.65); }
.legend .cap { border: 2px dashed #1b8a5a; }
.legend .no { border-radius: 0; background: linear-gradient(45deg, transparent 42%, #c42a1c 42% 58%, transparent 58%), linear-gradient(-45deg, transparent 42%, #c42a1c 42% 58%, transparent 58%); }
.legend .sel { border: 3px solid #d08a00; }

/* board drawing */
.bd { fill: #efd9a7; stroke: #8e5a2b; stroke-width: 3; }
.ln { stroke: #7a4a24; stroke-width: 1.4; }
.river { fill: #8e5a2b; font-family: var(--font-cn); font-size: 22px; font-weight: 700; }
.file { fill: #8e5a2b; font-family: var(--font-cn); font-size: 13px; font-weight: 700; }
.pc { fill: #fbf0d6; stroke-width: 2.4; }
.pc-in { fill: none; stroke-width: 1; }
.red .pc, .red .pc-in { stroke: #b3261e; }
.black .pc, .black .pc-in { stroke: #2a211c; }
.pc-t { font-family: var(--font-cn); font-size: 21px; font-weight: 900; }
.red .pc-t { fill: #b3261e; }
.black .pc-t { fill: #2a211c; }
.mv-dot { fill: #1b8a5a; }
.mv-cap { fill: none; stroke: #1b8a5a; stroke-width: 3; stroke-dasharray: 5 4; }
.mv-no { stroke: #c42a1c; stroke-width: 3.5; stroke-linecap: round; }
.sel { fill: none; stroke: #d08a00; stroke-width: 3.5; }
.halo { fill: rgba(196, 42, 28, 0.38); }
.arrow { stroke-width: 4; stroke-linecap: round; fill: none; opacity: 0.9; }

/* handbook */
.crumbs { margin: 16px 0 0; font-size: 14px; color: var(--bone-dim); }
.crumbs a { color: var(--bone-dim); }
.lead { font-size: 17px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 20px 0; padding: 0; list-style: none; }
.cards li + li { margin-top: 0; }
.card {
  display: flex; flex-direction: column; gap: 6px; height: 100%; padding: 14px 16px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  color: var(--bone); text-decoration: none;
}
.card:hover { border-color: var(--gold); }
.card b { color: var(--gold-hi); font-size: 18px; }
.card .cn { color: var(--gold); font-size: 22px; }
.card span:last-child { color: var(--bone-dim); font-size: 14px; }
.moves { font-weight: 700; color: var(--gold-hi); }
.pros { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 4px 20px; margin: 8px 0; }
.pros p { margin: 0; }
dl.terms dt { margin-top: 14px; font-weight: 700; color: var(--gold-hi); }
dl.terms dd { margin: 2px 0 0 0; }
.related { margin-top: 44px; padding-top: 16px; border-top: 1px solid var(--line); }
.foot { margin-top: 32px; font-size: 14px; color: var(--bone-dim); }

/* An AdSense unit between sections (the build fills <!--ads:unit--> markers). */
.ad { margin: 28px 0; text-align: center; }
.ad small { display: block; margin-bottom: 4px; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--bone-dim); }