:root{--bg:#f6f5f2;--card:#fff;--ink:#1c1917;--muted:#57534e;--line:#e2dfd9;--primary:#1d4ed8;--primary-ink:#fff;--ok:#047857;--warn:#b45309;--danger:#b91c1c;--fact:#1d4ed8;--cause:#b45309;--check:#047857}
@media (prefers-color-scheme:dark){:root{--bg:#171513;--card:#211e1b;--ink:#f1efe9;--muted:#b6afa6;--line:#3a3530;--primary:#3b82f6;--fact:#60a5fa;--cause:#f59e0b;--check:#34d399}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Sarabun","Leelawadee UI","Noto Sans Thai","Tahoma",system-ui,sans-serif;font-size:16px;line-height:1.55}
a{color:var(--primary)}
.topbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:10px 16px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.brand{font-weight:700;text-decoration:none;color:var(--ink)}.brand small{font-weight:400;color:var(--muted);margin-left:6px}
.nav{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:center}.nav a{text-decoration:none;color:var(--ink)}
.navtoggle{display:none}
.wrap{max-width:1100px;margin:0 auto;padding:16px}
h1{font-size:1.5rem;margin:.4em 0}h2{font-size:1.15rem;margin:.2em 0 .5em}h3{font-size:1rem;margin:.6em 0 .3em}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin:0 0 14px}
.card.narrow{max-width:460px;margin:24px auto}
.form{display:flex;flex-direction:column;gap:10px}.form label{display:flex;flex-direction:column;gap:4px;font-weight:600;font-size:.95rem}
.form label.check{flex-direction:row;align-items:center;font-weight:400;gap:8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.grid2 .full{grid-column:1/-1}
input[type=text],input[type=email],input[type=password],input[type=file],select,textarea{font:inherit;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);width:100%;font-weight:400}
.inline-form{flex-direction:row;flex-wrap:wrap;align-items:center}.inline-form input[type=file],.inline-form select{width:auto;flex:1 1 220px}
.btn{display:inline-block;font:inherit;font-weight:600;padding:9px 14px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--ink);text-decoration:none;cursor:pointer;margin:2px 4px 2px 0}
.btn.primary{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}
.btn.danger{background:var(--danger);color:#fff;border-color:var(--danger)}
.btn[disabled]{opacity:.6;cursor:wait}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:var(--primary);cursor:pointer;text-decoration:underline}.linkbtn.danger{color:var(--danger)}
form.inline{display:inline}
.flash{padding:10px 12px;border-radius:8px;margin:0 0 12px;border:1px solid var(--line)}
.flash.ok{border-color:var(--ok);color:var(--ok)}.flash.error{border-color:var(--danger);color:var(--danger)}.flash.info{border-color:var(--primary)}
.banner{background:#fef3c7;color:#78350f;border:1px solid #f59e0b;border-radius:8px;padding:8px 12px;font-weight:700;margin:0 0 12px}
.callout{background:color-mix(in srgb,var(--primary) 8%,var(--card));border-left:4px solid var(--primary);padding:8px 12px;border-radius:6px}
.muted{color:var(--muted)}.small{font-size:.88rem}
.tag{display:inline-block;font-size:.75rem;padding:1px 7px;border-radius:999px;border:1px solid var(--line);color:var(--muted);vertical-align:middle}
.tag.warn{border-color:var(--warn);color:var(--warn)}.tag.ok{border-color:var(--ok);color:var(--ok)}.tag.danger{border-color:var(--danger);color:var(--danger)}.tag.p1{border-color:var(--danger);color:var(--danger)}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.93rem}th,td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}th{font-weight:600;background:color-mix(in srgb,var(--line) 40%,var(--card))}
td.num{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.row-between{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px}
.cards{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}.mini{border:1px solid var(--line);border-radius:8px;padding:10px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.box{border:1px solid var(--line);border-radius:8px;padding:10px}.box.fact h3{color:var(--fact)}.box.cause h3{color:var(--cause)}.box.check h3{color:var(--check)}
.item{border-top:1px dashed var(--line);padding:8px 0}.item:first-of-type{border-top:0}.item p{margin:.3em 0}
.ev{color:var(--muted);font-size:.85rem}
.fix{display:grid;grid-template-columns:1fr 300px;gap:14px;border-top:1px solid var(--line);padding:10px 0}
.mockup table td{color:#1c1917}
.evimg{max-width:100%;border:1px solid var(--line);border-radius:6px}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:10px}
.gallery figure{margin:0;border:1px solid var(--line);border-radius:8px;padding:6px}.gallery img{width:100%;height:120px;object-fit:cover;border-radius:4px}.gallery figcaption{font-size:.8rem;word-break:break-all}
.facts{display:grid;grid-template-columns:180px 1fr;gap:6px 12px;margin:0}.facts dt{font-weight:600;color:var(--muted)}.facts dd{margin:0}
.dl{display:flex;flex-wrap:wrap;gap:4px}
.angle{border-top:1px dashed var(--line);padding:8px 0}
.subnav{display:flex;gap:14px;margin:0 0 12px;flex-wrap:wrap}.subnav a.active{font-weight:700;text-decoration:none;color:var(--ink)}
.copy{font-family:ui-monospace,Consolas,monospace;font-size:.85rem}
.danger-zone{border-color:color-mix(in srgb,var(--danger) 45%,var(--line))}
.actions details{display:inline}.actions form{margin:2px 0}
.steps ol{margin:0;padding-left:20px}
code{background:color-mix(in srgb,var(--line) 50%,var(--card));padding:1px 5px;border-radius:4px}
.foot{max-width:1100px;margin:0 auto;padding:16px;color:var(--muted);font-size:.85rem;display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between}
@media (max-width:860px){.grid3{grid-template-columns:1fr}.fix{grid-template-columns:1fr}}
@media (max-width:640px){
  .wrap{padding:12px 16px}.grid2{grid-template-columns:1fr}.facts{grid-template-columns:1fr}
  .navtoggle{display:inline-block;font:inherit;padding:6px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink)}
  .nav{display:none;width:100%;flex-direction:column;align-items:flex-start;padding:8px 0}.nav.open{display:flex}
  .btn{width:100%;text-align:center;margin:3px 0}.dl .btn{width:auto;flex:1 1 45%}
}