/* The reading pages use Tenpai's cream palette; this file never styles the game. */
:root{color-scheme:light;--paper:#f0ede4;--card:#f8f5ed;--ink:#23382f;--muted:#58685d;--green:#375b43;--gold:#7a5a12;--line:#23382f28}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:16px}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;padding-inline:env(safe-area-inset-left) env(safe-area-inset-right)}
a{color:var(--green);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--gold)}
a:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:4px;border-radius:3px}
.skip{position:absolute;top:-100px;left:16px;z-index:2;background:var(--ink);color:white;padding:10px 16px}
.skip:focus{top:8px}
.site-header{max-width:1040px;margin:auto;min-height:72px;display:flex;align-items:center;gap:24px;padding:12px 24px;border-bottom:1px solid var(--line)}
.wordmark{font:700 32px/1 Georgia,serif;letter-spacing:-1.1px;text-decoration:none;color:var(--ink);white-space:nowrap}
.wordmark span{color:var(--gold)}
.site-header nav{display:flex;gap:19px;align-items:center;margin-left:auto}
.site-header nav a{font-size:13px;text-decoration:none;padding:7px 0;border-bottom:2px solid transparent}
.site-header nav a[aria-current]{color:var(--ink);border-bottom-color:var(--gold);font-weight:650}
.play-link{font-size:13px;line-height:1.4;font-weight:650;display:inline-flex;align-items:center;gap:15px;padding:9px 15px;border:1px solid var(--line);border-radius:999px;text-decoration:none;white-space:nowrap}
.play-link:hover{background:#375b430a}
main{max-width:960px;margin:0 auto;padding:20px 30px 30px}
.breadcrumbs{font-size:12px;line-height:1.5;color:var(--muted);display:flex;flex-wrap:wrap;gap:7px;margin-bottom:25px}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs [aria-current]{max-width:100%}
.article-header{max-width:740px;margin-bottom:30px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:10px;font-weight:650;color:var(--gold);margin:0 0 9px}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.2;color:var(--ink);font-weight:500}
h1{font-size:clamp(28px,4.8vw,42px);letter-spacing:-.035em;margin:0 0 16px;text-wrap:balance}
h2{font-size:25px;margin:0 0 13px;letter-spacing:-.015em}
h3{font-size:22px}
p{margin:0 0 15px;max-width:76ch}
.lead{color:var(--muted);font-size:18px;line-height:1.6;max-width:67ch;margin-bottom:0}
section{margin:30px 0}
strong{font-weight:650}
ul,ol{padding-left:23px;max-width:76ch}
li+li{margin-top:7px}
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:22px 0 32px}
.topic{position:relative;display:block;padding:15px 35px 15px 16px;background:var(--card);border:1px solid var(--line);border-radius:9px;text-decoration:none}
.topic:hover{border-color:#7a5a1280}
.topic strong{font-size:16px;line-height:1.4;display:block;margin-bottom:4px;color:var(--ink)}
.topic span:not(.arrow){display:block;font-size:13px;line-height:1.5;color:var(--muted)}
.topic .arrow{position:absolute;right:13px;top:13px;color:var(--gold)}
.more{font-size:14px;margin-top:10px}
.inline-source{font-size:13px;color:var(--muted)}
.stone-row{display:flex;flex-wrap:wrap;gap:16px;align-items:start;margin:18px 0 21px}
.stone-figure{margin:0;text-align:center;width:96px;flex:0 0 96px}
.tile-art{display:block;width:96px;height:128px;object-fit:contain;margin:0 auto}
.stone-figure figcaption{font-size:11px;line-height:1.4;color:var(--muted);margin-top:7px;overflow-wrap:anywhere}
.intro-stones{gap:20px;margin-top:0;margin-bottom:30px}
.family{border-top:1px solid var(--line);padding-top:24px}
.family .stone-row{float:right;margin:0 0 15px 25px}
.family:after{content:"";display:block;clear:both}
.illustrated-note{display:flex;align-items:flex-start;gap:24px}
.illustrated-note>div{min-width:0;flex:1}
.wind-entry,.plant-entry{display:flex;align-items:start;gap:24px;border-top:1px solid var(--line);padding-top:23px}
.wind-entry>div,.plant-entry>div{min-width:0;flex:1}
.wind-entry h2,.plant-entry h2{font-size:23px}
.wind-entry p,.plant-entry p{margin-bottom:12px}
.layout-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.layout-grid>section{margin-top:0}
.board-diagram{padding:14px 10px 10px;margin:0 0 18px;background:#c8d3bd;border-radius:8px;border:1px solid var(--line)}
.board-diagram svg{display:block;width:100%;height:228px}
.board-diagram figcaption{font-size:11px;text-align:center;color:var(--muted);padding-top:6px}
.sources{border-top:1px solid var(--line);padding-top:22px;margin-top:38px}
.sources h2{font-size:21px}
.sources p{font-size:13px;color:var(--muted)}
.sources ul{list-style:none;padding-left:0}
.sources li{font-size:13px;line-height:1.5;margin-top:13px}
.sources li span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.site-footer{max-width:960px;margin:auto;padding:22px 30px 30px;display:flex;gap:20px;align-items:center;justify-content:space-between;border-top:1px solid var(--line)}
.site-footer>span{font-size:11px;color:var(--muted)}
.rules-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.rules-nav a{font-size:12px;padding:5px 11px;border:1px solid var(--line);border-radius:999px;text-decoration:none}
.rules-steps li{padding-left:5px}
.rules-formula{display:flex;gap:14px;align-items:center;padding:15px 18px;background:#dce4d3;border-radius:8px;font-size:14px;margin:15px 0}
.rules-formula>span{display:block}
.rules-formula b{display:inline-grid;place-items:center;background:var(--green);color:#fff;line-height:1;width:23px;height:23px;border-radius:50%;margin-right:4px}
.rules-and{font-size:10px;letter-spacing:.08em;color:var(--muted)}
.rules-examples{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0}
.rules-example{margin:0;border:1px solid var(--line);background:var(--card);border-radius:8px;padding:10px}
.rules-example svg{display:block;max-width:270px;width:100%;margin:auto;height:150px}
.rules-example figcaption{font-size:13px;line-height:1.5;padding:6px}
.rules-example strong,.rules-example span{display:block}
.rules-example span{color:var(--muted);margin-top:4px}
.rules-note{border-left:3px solid #bba568;padding:6px 0 6px 15px;font-size:14px;color:var(--muted)}
.rules-match{display:flex;flex-wrap:wrap;gap:9px;margin:15px 0}
.rules-match span{padding:8px 12px;border-radius:6px;font-size:13px;border:1px solid var(--line)}
.rules-match-good{background:#dde9d8}
.rules-match-bad{background:#f0e4d9}
.rules-tools{margin:18px 0}
.rules-tools>div{display:grid;grid-template-columns:90px 1fr;gap:15px;padding:14px 0;border-top:1px solid var(--line)}
.rules-tools dt{font-weight:650;font-size:14px}
.rules-tools dd{margin:0;font-size:14px}
.rules-controls details{border-top:1px solid var(--line);padding:12px 0}
.rules-controls summary{cursor:pointer;font-weight:600;font-size:14px}
.rules-controls details p{font-size:14px;margin:13px 0 4px}
@media(max-width:680px){
 body{font-size:15px;line-height:1.65}
 .site-header{padding:12px 18px 9px;gap:8px;flex-wrap:wrap}
 .wordmark{font-size:28px}
 .site-header .play-link{margin-left:auto;font-size:12px;padding:8px 13px}
 .site-header nav{order:3;width:100%;margin:4px 0 0;justify-content:space-between;gap:12px}
 .site-header nav a{font-size:12px;padding:5px 0}
 main{padding:17px 20px 24px}
 .breadcrumbs{font-size:11px;margin-bottom:21px;gap:5px}
 .lead{font-size:16px}
 h2{font-size:23px}
 .article-header{margin-bottom:25px}
 .topic-grid{grid-template-columns:1fr;gap:8px;margin-bottom:26px}
 .topic{padding:13px 32px 13px 14px}
 .topic strong{font-size:15px}
 .stone-row{gap:12px}
 .stone-figure{width:74px;flex-basis:74px}
 .tile-art{width:74px;height:99px}
 .stone-figure figcaption{font-size:10px}
 .intro-stones{gap:12px}
 .family .stone-row{float:none;margin:0 0 17px}
 .illustrated-note,.wind-entry,.plant-entry{gap:16px}
 .wind-entry h2,.plant-entry h2{font-size:21px}
 .layout-grid{grid-template-columns:1fr;gap:6px}
 .board-diagram svg{height:215px}
 .rules-formula{flex-direction:column;align-items:flex-start;gap:8px;padding:13px}
 .rules-and{padding-left:31px}
 .rules-examples{gap:8px}
 .rules-example{padding:5px}
 .rules-example svg{height:104px}
 .rules-example figcaption{font-size:11px;padding:5px}
 .rules-tools>div{grid-template-columns:65px 1fr;gap:12px}
 .site-footer{padding:20px;gap:15px;flex-wrap:wrap}
}
@media(max-width:360px){.wind-entry,.plant-entry{display:block}.wind-entry .stone-figure,.plant-entry .stone-figure{float:right;margin:0 0 12px 12px}.wind-entry:after,.plant-entry:after{content:"";display:block;clear:both}.rules-examples{grid-template-columns:1fr}.rules-example svg{height:130px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{body{background:white}.site-header nav,.play-link,.skip{display:none}main{max-width:none;padding:15px}.article-header{max-width:none}.sources{break-before:auto}.topic-grid{display:block}.topic{margin:8px 0}.site-footer{padding:8px}.rules-controls details{display:block}.rules-controls details>*{display:block!important}.tile-art{break-inside:avoid}}