:root{--ink:#1e293b;--muted:#64748b;--line:#e2e8f0;--bg:#f8fafc;--card:#fff;--accent:#4f46e5;--accent-2:#0ea5e9;--ok:#16a34a;--warn:#d97706;--bad:#dc2626;--radius:10px}
*{box-sizing:border-box}
body{margin:0;font:15px/1.45 "Segoe UI",system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header.top{display:flex;align-items:center;gap:18px;padding:10px 22px;background:linear-gradient(90deg,#4f46e5,#0ea5e9);color:#fff}
header.top .brand{font-weight:700;letter-spacing:.3px;font-size:17px}
header.top nav a{color:#fff;opacity:.9;margin-right:14px;font-weight:500}header.top nav a.on{opacity:1;border-bottom:2px solid #fff;padding-bottom:2px}
header.top .who{margin-left:auto;font-size:13px;opacity:.95}
main{max-width:1180px;margin:22px auto;padding:0 22px}
h1{font-size:22px;margin:0 0 14px}h2{font-size:16px;margin:18px 0 8px;color:var(--muted);text-transform:uppercase;letter-spacing:.6px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:16px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.grid{display:grid;gap:16px}.grid.c2{grid-template-columns:1fr 1fr}.grid.c4{grid-template-columns:repeat(4,1fr)}
.stat{font-size:28px;font-weight:700}.stat small{display:block;font-size:12px;color:var(--muted);font-weight:500}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
form.inline{display:inline}input,select,textarea{font:inherit;padding:7px 9px;border:1px solid #cbd5e1;border-radius:7px;background:#fff;min-width:0}
input:focus,select:focus{outline:2px solid #c7d2fe;border-color:var(--accent)}
button,.btn{font:inherit;padding:7px 13px;border-radius:7px;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;font-weight:600}
button.ghost{background:#fff;color:var(--accent)}button.danger{background:#fff;color:var(--bad);border-color:var(--bad)}button.small{padding:4px 9px;font-size:12px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-weight:500}.flash.ok{background:#dcfce7;color:#166534}.flash.err{background:#fee2e2;color:#991b1b}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;background:#eef2ff;color:#3730a3}
.pill.on{background:#dcfce7;color:#166534}.pill.off{background:#f1f5f9;color:#475569}.pill.warn{background:#fef3c7;color:#92400e}.pill.bad{background:#fee2e2;color:#991b1b}
.switch{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}
.switch .name{font-weight:600}.switch .detail{color:var(--muted);font-size:13px}
.login{max-width:420px;margin:60px auto}.login .brand{font-size:26px;font-weight:800;background:linear-gradient(90deg,#4f46e5,#0ea5e9);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px}
.login label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}.login input,.login select{width:100%}
code{background:#f1f5f9;padding:2px 5px;border-radius:5px;font-size:13px}
.muted{color:var(--muted)}.right{text-align:right}
.tree{columns:3;font-size:13px}.tree li{break-inside:avoid}