:root{--ink:#14213d;--bg:#f4f6fa;--card:#fff;--line:#9aa5b8;--accent:#0b3d91;--warn:#8a1c1c;--ok:#115c2e}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg)}
header{background:var(--ink);color:#fff;display:flex;gap:24px;align-items:center;padding:12px 24px;flex-wrap:wrap}
.brand{font-weight:bold;font-size:18px}
nav{display:flex;gap:18px;align-items:center;margin-left:auto}
nav a,button.link{color:#fff;text-decoration:underline;background:none;border:0;font:inherit;cursor:pointer;padding:0}
main{max-width:920px;margin:24px auto;padding:0 16px}
h1{font-size:26px;margin:0 0 12px}h2{font-size:20px;margin-top:28px}
.card{background:var(--card);border:2px solid var(--line);border-radius:12px;padding:18px;margin:14px 0}
label{display:block;font-weight:bold;margin:12px 0 4px}
input[type=text],input[type=password],input[type=file],select,textarea{width:100%;padding:9px;border:2px solid var(--ink);border-radius:0;font:inherit;background:#fff;color:var(--ink)}
button,.btn{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:10px 18px;font:inherit;font-weight:bold;cursor:pointer;margin-top:12px;display:inline-block;text-decoration:none}
button.danger{background:var(--warn)}button.quiet{background:#fff;color:var(--ink);border:2px solid var(--ink)}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line)}
.notice{border-left:6px solid var(--warn);background:#fdecec;padding:12px;border-radius:0 10px 10px 0;margin:14px 0}
.good{border-left-color:var(--ok);background:#e8f5ec}
.muted{color:#3d4a63}.code{font-family:Consolas,monospace;background:#eef1f7;padding:2px 6px;border-radius:6px}
.recovery{columns:2;font-family:Consolas,monospace;font-size:17px}
footer{max-width:920px;margin:40px auto;padding:0 16px;color:#3d4a63;font-size:13px}
a{color:var(--accent)}
textarea{resize:vertical}
pre{white-space:pre-wrap;word-break:break-word;background:#eef1f7;border:1px solid var(--line);border-radius:8px;padding:10px;font:14px/1.4 Consolas,monospace;max-height:420px;overflow:auto}
details{margin:10px 0}summary{cursor:pointer;font-weight:bold}