/* อาคารของทฤษฎี — generated, do not edit */
:root{
  color-scheme:light dark;
  --bg:light-dark(#faf7f1,#161310);--surface:light-dark(#fffdf8,#1f1b17);
  --ink:light-dark(#2b2620,#ece5da);--muted:light-dark(#77695a,#a2988a);
  --accent:light-dark(#b0661c,#e29a4d);--accent-deep:light-dark(#8a4f14,#f0b678);
  --line:light-dark(#e8dfd0,#3a332a);--chip:light-dark(#f3ecdf,#2a251f);
  --warn-bg:light-dark(#fdf2e0,#2e2410);--warn-line:light-dark(#e5c07b,#7a6224);
  --shadow:0 1px 2px rgb(0 0 0/.05),0 6px 24px -12px rgb(60 40 10/.18);
}
@view-transition{navigation:auto}
*{box-sizing:border-box}
html{scrollbar-gutter:stable}
body{margin:0;background:var(--bg);color:var(--ink);
  font:400 1rem/1.65 "Noto Sans Thai","Noto Sans",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--accent-deep);text-decoration-thickness:1px;text-underline-offset:.2em}
a:hover{color:var(--accent)}
h1,h2,h3{line-height:1.25;text-wrap:balance;font-weight:700}
.wrap{max-width:72rem;margin-inline:auto;padding-inline:clamp(1rem,4vw,2.5rem)}
/* header */
.site-head{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:1.25rem;min-height:3.4rem;flex-wrap:wrap}
.brand{font-weight:800;text-decoration:none;color:var(--ink);letter-spacing:.01em}
.brand em{font-style:normal;color:var(--accent)}
nav.main{display:flex;gap:.25rem;margin-inline-start:auto;flex-wrap:wrap}
nav.main a{text-decoration:none;padding:.35rem .7rem;border-radius:.55rem;color:var(--muted);font-weight:500}
nav.main a[aria-current]{color:var(--accent-deep);background:var(--chip)}
nav.main a:hover{color:var(--ink);background:var(--chip)}
/* hero */
.hero{padding-block:clamp(2.5rem,7vw,5rem) 2rem}
.hero h1{font-size:clamp(2rem,5.5vw,3.4rem);margin:0 0 .5rem}
.hero .en{color:var(--muted);font-weight:500;font-size:clamp(1.05rem,2.4vw,1.35rem);margin:0}
.hero p.lede{max-width:46rem;font-size:1.08rem;color:var(--muted);margin-top:1rem}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(9.5rem,1fr));gap:.8rem;margin-block:2rem}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:1rem;padding:1rem 1.1rem;box-shadow:var(--shadow)}
.stat b{display:block;font-size:1.9rem;line-height:1.1;color:var(--accent-deep);font-weight:800}
.stat span{color:var(--muted);font-size:.92rem}
.doorways{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:1rem;margin-block:1.5rem 3rem}
.door{display:block;background:var(--surface);border:1px solid var(--line);border-radius:1.1rem;
  padding:1.3rem 1.4rem;text-decoration:none;box-shadow:var(--shadow);transition:translate .15s ease,border-color .15s ease}
.door:hover{translate:0 -2px;border-color:var(--accent)}
.door h2{margin:0 0 .3rem;font-size:1.2rem;color:var(--ink)}
.door p{margin:0;color:var(--muted);font-size:.95rem}
.erachips{display:flex;flex-wrap:wrap;gap:.5rem;margin-block:1rem 3rem}
.erachips a{background:var(--chip);border:1px solid var(--line);border-radius:2rem;
  padding:.3rem .85rem;text-decoration:none;color:var(--ink);font-size:.9rem}
.erachips a:hover{border-color:var(--accent)}
.erachips a small{color:var(--muted)}
/* filter bar */
.filters{display:grid;gap:.6rem;grid-template-columns:1fr;background:var(--surface);
  border:1px solid var(--line);border-radius:1rem;padding:1rem;margin-block:1.2rem;box-shadow:var(--shadow)}
@media(min-width:44rem){.filters{grid-template-columns:1fr repeat(3,minmax(9rem,.6fr))}}
.filters input,.filters select{font:inherit;color:var(--ink);background:var(--bg);
  border:1px solid var(--line);border-radius:.6rem;padding:.5rem .75rem;width:100%}
.filters input:focus,.filters select:focus{outline:2px solid var(--accent);outline-offset:1px}
.count{color:var(--muted);font-size:.92rem;margin-block:.2rem 1rem}
/* cards */
.era-sec h2{font-size:1.25rem;margin:2.2rem 0 .2rem;display:flex;gap:.6rem;align-items:baseline}
.era-sec h2 small{color:var(--muted);font-weight:500;font-size:.85rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(19rem,100%),1fr));gap:1rem;margin-block:1rem}
.card{container-type:inline-size;background:var(--surface);border:1px solid var(--line);
  border-radius:1rem;padding:1.05rem 1.15rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:.4rem}
.card h3{margin:0;font-size:1.05rem}
.card h3 a{text-decoration:none;color:var(--ink)}
.card h3 a:hover{color:var(--accent-deep)}
.card .th{color:var(--muted);font-size:.92rem}
.card .meta{color:var(--muted);font-size:.86rem}
.card .reason{font-size:.92rem;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.badges{display:flex;flex-wrap:wrap;gap:.35rem}
.badge{font-size:.74rem;background:var(--chip);border:1px solid var(--line);
  border-radius:2rem;padding:.1rem .6rem;color:var(--muted);white-space:nowrap}
.badge.ok{border-color:color-mix(in srgb,var(--accent) 55%,var(--line))}
.badge.low{opacity:.85}
.badge.era{color:var(--accent-deep)}
[hidden]{display:none!important}
/* detail */
.crumbs{font-size:.9rem;color:var(--muted);margin-block:1.4rem 0}
.detail h1{font-size:clamp(1.55rem,4vw,2.4rem);margin:.4rem 0 .1rem}
.detail .th-sub{font-size:1.15rem;color:var(--muted);margin:0 0 .8rem}
.warnbox{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:.9rem;
  padding:.8rem 1rem;margin-block:1rem;font-size:.95rem}
.factgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(21rem,100%),1fr));gap:1rem;margin-block:1.4rem}
.factcard{background:var(--surface);border:1px solid var(--line);border-radius:1rem;padding:1.1rem 1.25rem;box-shadow:var(--shadow)}
.factcard h2{font-size:1.02rem;margin:0 0 .6rem;color:var(--accent-deep)}
dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.35rem .9rem}
dt{color:var(--muted);font-size:.88rem;white-space:nowrap}
dd{margin:0;font-size:.95rem}
blockquote{margin:1rem 0;padding:.8rem 1.1rem;border-inline-start:3px solid var(--accent);
  background:var(--chip);border-radius:0 .8rem .8rem 0;font-size:.97rem}
.prov{margin-block:1.6rem 3rem}
.prov code{background:var(--chip);border:1px solid var(--line);border-radius:.4rem;
  padding:.12rem .5rem;font-size:.82rem}
/* footer */
footer{border-top:1px solid var(--line);margin-top:4rem;padding-block:1.6rem 2.4rem;color:var(--muted);font-size:.88rem}
footer p{margin:.25rem 0}
/* about + prose */
.prose{max-width:46rem;padding-block:1rem}
.prose h1{font-size:clamp(1.7rem,4vw,2.4rem)}
.prose h2{margin-top:2.2rem;font-size:1.25rem}
.prose li{margin-block:.3rem}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}