:root{--ink:#14202e;--ink-2:#4a5a6b;--line:#dbe2ea;--bg:#f5f7fa;--card:#fff;--accent:#2f6ea5;--bad:#b3261e}
@media (prefers-color-scheme:dark){:root{--ink:#e8edf4;--ink-2:#a9b6c7;--line:#2a3442;--bg:#0d1117;--card:#141b25;--accent:#6aa5dc;--bad:#ef8a84}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
header{display:flex;align-items:center;gap:1.5rem;padding:.75rem 1.25rem;background:var(--card);border-bottom:1px solid var(--line)}
header strong{font-size:1.15rem;color:var(--accent)}
nav{display:flex;align-items:center;gap:1rem;flex:1;flex-wrap:wrap}
nav a{color:var(--ink);text-decoration:none}
nav a:hover{color:var(--accent)}
.who{margin-left:auto;color:var(--ink-2);font-size:.85rem}
nav form{margin:0}
main{max-width:1000px;margin:0 auto;padding:1.25rem}
h1{font-size:1.4rem;margin:.25rem 0 1rem}
h2{font-size:1.05rem;margin:0 0 .75rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1rem 1.25rem;margin:0 0 1.25rem}
.narrow{max-width:420px}
label{display:block;margin:0 0 .75rem;font-weight:600;font-size:.9rem}
label.check{font-weight:400;display:flex;gap:.5rem;align-items:center}
label small{color:var(--ink-2)}
input,select{display:block;width:100%;margin-top:.25rem;padding:.5rem .6rem;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);font:inherit}
input[type=checkbox]{display:inline;width:auto;margin:0}
fieldset{border:1px solid var(--line);border-radius:6px;margin:0 0 .75rem;padding:.5rem .75rem}
button{padding:.5rem 1rem;border:0;border-radius:6px;background:var(--accent);color:#fff;font:inherit;font-weight:600;cursor:pointer}
button.link{background:none;color:var(--ink-2);padding:0;font-weight:400}
table{width:100%;border-collapse:collapse;background:var(--card);margin:0 0 1rem;font-size:.9rem}
th,td{padding:.5rem .6rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--ink-2);font-weight:600}
a{color:var(--accent)}
.error{color:var(--bad);font-weight:600}
.notice{padding:.5rem .75rem;border-left:3px solid var(--accent);background:var(--card)}
.key{font:600 1rem ui-monospace,monospace;word-break:break-all}
form.inline{display:flex;gap:.4rem;margin:0}
form.inline input,form.inline select{margin:0;width:auto}