:root{--bg:#f4f5f7;--card:#fff;--text:#1d2327;--muted:#646970;--line:#dcdcde;--brand:#0b57d0;--good:#1a7f37;--bad:#b32d2e}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,"Segoe UI","Noto Sans Thai",Tahoma,sans-serif}
a{color:var(--brand)}
.top{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:12px 24px;background:#1d2327;color:#fff}
.top a{color:#fff;text-decoration:none}.brand{font-weight:700}
.top nav{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.top .link{color:#c3c4c7}
main{max-width:1100px;margin:0 auto;padding:24px 16px}
h1{font-size:24px;margin:0 0 16px}h2{font-size:18px;margin:0 0 12px}
.head-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:20px;margin:0 0 20px}
.narrow{max-width:420px;margin:40px auto}
.columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}
.form label{display:block;font-weight:600;margin:12px 0 4px}
.form input,.form textarea,.form select{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:6px;font:inherit}
fieldset{border:0;padding:0;margin:12px 0 0}legend{font-weight:600}
.choice{display:inline-block!important;font-weight:400!important;margin-right:16px!important}
.choice input{width:auto!important}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:0 0 10px}
.row input{width:110px;padding:6px 8px;border:1px solid var(--line);border-radius:6px}
button,.button{display:inline-block;padding:8px 14px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--text);font:inherit;cursor:pointer;text-decoration:none}
.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.danger{border-color:var(--bad);color:var(--bad)}
.form .primary{margin-top:16px}
.link{border:0;background:none;padding:0;color:var(--brand);cursor:pointer;font:inherit}
.inline{display:inline}
.search{display:flex;gap:8px;margin:0 0 16px}.search input{flex:1;padding:8px 10px;border:1px solid var(--line);border-radius:6px;font:inherit}
table.grid{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line)}
.grid th,.grid td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.grid th{background:#f6f7f7;font-weight:600}
.compact td{padding:6px 10px;font-size:14px}
table.info th{text-align:left;padding:6px 16px 6px 0;color:var(--muted);font-weight:600;white-space:nowrap;vertical-align:top}
table.info td{padding:6px 0}
.muted,.hint{color:var(--muted)}.hint{font-size:13px;margin:4px 0 12px}
.bad-text{color:var(--bad)}
.badge{display:inline-block;padding:2px 8px;border-radius:10px;background:#f0f0f1;font-size:13px}
.badge.good{background:#e6f4ea;color:var(--good)}.badge.bad{background:#fcebea;color:var(--bad)}
.domain{font-family:ui-monospace,Consolas,monospace}
.flash{padding:10px 14px;border-radius:6px}.flash p{margin:0}
.flash.success{background:#e6f4ea;color:#11511f}.flash.error{background:#fcebea;color:#8a1f1f}
.keybox{border-color:var(--brand)}
.key{display:inline-block;font-size:20px;letter-spacing:1px;padding:8px 12px;background:#f6f7f7;border-radius:6px;margin-right:8px}
pre.code{background:#f6f7f7;padding:12px;border-radius:6px;overflow:auto;font-size:13px}
.pre{white-space:pre-wrap}
.empty{color:var(--muted)}
.danger-zone{border-color:#f0b8b8}
.req{color:var(--bad)}
@media (max-width:640px){.grid thead{display:none}.grid td{display:block;border:0}.grid tr{display:block;border-bottom:1px solid var(--line)}}