:root{
  --bg:#f4f6f9; --card:#fff; --ink:#1c2333; --muted:#6b7280;
  --brand:#0f4c81; --brand-2:#1273c4; --ok:#0a7d33; --err:#b42318;
  --line:#e3e7ee; --radius:10px;
}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand-2);text-decoration:none}
main{max-width:1180px;margin:24px auto;padding:0 16px}
.topbar{display:flex;align-items:center;gap:24px;background:var(--brand);color:#fff;padding:10px 20px}
.topbar .brand a{color:#fff;font-weight:700;font-size:18px}
.topbar .brand span{opacity:.75;font-weight:400}
.topbar nav{display:flex;gap:14px;flex:1}
.topbar nav a{color:#dbe7f3;padding:4px 8px;border-radius:6px}
.topbar nav a:hover{background:rgba(255,255,255,.12);color:#fff}
.userbox{display:flex;align-items:center;gap:10px}
.userbox .muted{color:#c8d6e5}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:18px}
.card h2,.card h3{margin-top:0}
.flash{max-width:1180px;margin:14px auto 0;padding:10px 16px;border-radius:8px}
.flash.ok{background:#e7f6ec;color:var(--ok);border:1px solid #bfe5cc}
.flash.err{background:#fdecea;color:var(--err);border:1px solid #f5c6c0}
.muted{color:var(--muted)}
table{width:100%;border-collapse:collapse;font-size:14px}
th{ text-align:left;color:var(--muted);font-weight:600;border-bottom:2px solid var(--line);padding:8px 10px;white-space:nowrap}
td{border-bottom:1px solid var(--line);padding:8px 10px;vertical-align:top}
tr:hover td{background:#f8fafc}
.btn{display:inline-block;background:#eef2f7;border:1px solid var(--line);color:var(--ink);
  padding:7px 14px;border-radius:8px;cursor:pointer;font-size:14px}
.btn:hover{background:#e2e9f2}
.btn-primary{background:var(--brand-2);border-color:var(--brand-2);color:#fff}
.btn-primary:hover{background:var(--brand)}
.btn-danger{background:#fdecea;border-color:#f5c6c0;color:var(--err)}
.btn-sm{padding:3px 10px;font-size:13px}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge.ok{background:#e7f6ec;color:var(--ok)}
.badge.warn{background:#fff4e5;color:#9a5b00}
.badge.err{background:#fdecea;color:var(--err)}
.badge.neutral{background:#eef2f7;color:var(--muted)}
label{display:block;margin:10px 0;font-weight:600}
input,select{width:100%;max-width:420px;padding:8px 10px;margin-top:4px;border:1px solid var(--line);
  border-radius:8px;font-size:14px;background:#fff}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px}
.kv{display:grid;grid-template-columns:180px 1fr;gap:4px 14px;font-size:14px}
.kv dt{color:var(--muted)}
.kv dd{margin:0}
dialog{border:none;border-radius:var(--radius);box-shadow:0 20px 60px rgba(0,0,0,.25);padding:0;min-width:360px}
dialog::backdrop{background:rgba(15,30,50,.45)}
footer{max-width:1180px;margin:30px auto;padding:0 16px;font-size:13px}
.login-wrap{max-width:380px;margin:9vh auto}
.actions form{display:inline}
details.inline{display:inline-block}