:root{--bg:#f6f7f9;--fg:#1c2330;--muted:#667085;--card:#fff;--line:#e3e6eb;--acc:#2457d6;--bad:#b42318;--ok:#067647}
@media(prefers-color-scheme:dark){:root{--bg:#10141c;--fg:#e6e9ef;--muted:#98a2b3;--card:#171c26;--line:#262d3a;--acc:#6f9bff;--bad:#f97066;--ok:#47cd89}}
*{box-sizing:border-box}body{margin:0;font:15px/1.5 system-ui,sans-serif;background:var(--bg);color:var(--fg)}
header{display:flex;justify-content:space-between;align-items:center;padding:12px 24px;background:var(--card);border-bottom:1px solid var(--line)}
header nav{display:flex;gap:16px;align-items:center}a{color:var(--acc)}main{max-width:960px;margin:24px auto;padding:0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:18px}
h1{font-size:22px}h2{font-size:17px;margin:0 0 12px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:500}label{display:block;margin:8px 0 2px;color:var(--muted);font-size:13px}
input,select{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg);font:inherit}
button{padding:8px 14px;border:0;border-radius:6px;background:var(--acc);color:#fff;font:inherit;cursor:pointer}
button.danger{background:var(--bad)}button.link{background:none;color:var(--acc);padding:0}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.inline{display:flex;gap:8px;align-items:end}
.msg{padding:10px 14px;border-radius:8px;margin-bottom:14px}.msg.ok{background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok)}
.msg.err{background:color-mix(in srgb,var(--bad) 15%,transparent);color:var(--bad)}code{font-family:ui-monospace,monospace;background:var(--bg);padding:2px 6px;border-radius:4px}
.narrow{max-width:380px}