:root{color-scheme:light dark;--bg:#f6f7f9;--card:#fff;--text:#1d2330;--muted:#5d6676;--line:#dde1e8;--accent:#2457d6;--accent-text:#fff;--danger:#b42318;--ok:#067647}
@media (prefers-color-scheme:dark){:root{--bg:#12151b;--card:#1b2029;--text:#e7eaf0;--muted:#a1a9b8;--line:#2d3440;--accent:#6d93ff;--accent-text:#0b1020;--danger:#ff8a80;--ok:#6ce9a6}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}
header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 24px;border-bottom:1px solid var(--line);background:var(--card)}
header a{color:var(--text);text-decoration:none;font-weight:600}header form{margin:0}
main{max-width:960px;margin:0 auto;padding:24px 16px}
h1{font-size:22px;margin:0 0 16px}h2{font-size:17px;margin:24px 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin:0 0 16px}
.narrow{max-width:420px;margin:40px auto}
label{display:block;font-weight:600;margin:12px 0 4px}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text);font:inherit}
input[type=radio],input[type=checkbox]{width:auto;margin-right:8px}
.choice{display:flex;align-items:center;padding:8px 0;border-bottom:1px solid var(--line);font-weight:400;margin:0}
button,.button{display:inline-block;padding:8px 14px;border:0;border-radius:8px;background:var(--accent);color:var(--accent-text);font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
button.secondary,.button.secondary{background:transparent;color:var(--accent);border:1px solid var(--line)}
button.danger{background:transparent;color:var(--danger);border:1px solid var(--line)}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.spread{justify-content:space-between}
.muted{color:var(--muted)}.error{color:var(--danger);font-weight:600}.ok{color:var(--ok);font-weight:600}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:13px;color:var(--muted);font-weight:600}
code{font:13px ui-monospace,SFMono-Regular,Menlo,monospace}
.badge{display:inline-block;padding:1px 8px;border-radius:999px;border:1px solid var(--line);font-size:12px;color:var(--muted)}
td input{max-width:120px}
textarea{font:13px ui-monospace,SFMono-Regular,Menlo,monospace}
details{margin-top:16px}summary{cursor:pointer;font-weight:600}