:root {
  --bg:#0f172a; --card:#1e293b; --line:#334155; --txt:#e2e8f0;
  --muted:#94a3b8; --accent:#3b82f6; --ok:#22c55e; --err:#ef4444; --warn:#f59e0b;
}
* { box-sizing:border-box; }
body { margin:0; font-family:system-ui,Segoe UI,Roboto,sans-serif;
       background:var(--bg); color:var(--txt); }
.topbar { display:flex; justify-content:space-between; align-items:center;
          padding:14px 22px; background:var(--card); border-bottom:1px solid var(--line); }
.topbar a { color:var(--txt); text-decoration:none; font-size:14px; }
.topbar a:hover { text-decoration:underline; }
.wrap { max-width:980px; margin:26px auto; padding:0 18px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:12px;
        padding:22px; margin-bottom:20px; }
h1 { font-size:20px; margin:0 0 4px; }
h2 { font-size:15px; margin:0 0 14px; color:var(--muted); font-weight:600; }
label { display:block; }
input, select { width:100%; padding:10px 12px; margin:6px 0 12px; border-radius:8px;
        border:1px solid var(--line); background:#0b1220; color:var(--txt); font-size:14px; }
button { background:var(--accent); color:#fff; border:0; padding:10px 16px;
         border-radius:8px; cursor:pointer; font-size:14px; }
button:hover { filter:brightness(1.08); }
button.small { padding:6px 10px; font-size:12px; }
button.danger { background:var(--err); }
button.ghost { background:transparent; border:1px solid var(--line); color:var(--txt); }
table { width:100%; border-collapse:collapse; font-size:14px; }
th,td { text-align:left; padding:9px 10px; border-bottom:1px solid var(--line); }
th { color:var(--muted); font-weight:600; }
.badge { padding:2px 9px; border-radius:999px; font-size:12px; background:#14532d; color:#bbf7d0; }
.badge.off { background:#450a0a; color:#fecaca; }
.flash { padding:11px 14px; border-radius:8px; margin-bottom:14px; font-size:14px; }
.flash.success { background:#052e16; color:#bbf7d0; border:1px solid #166534; }
.flash.error { background:#450a0a; color:#fecaca; border:1px solid #991b1b; }
.muted { color:var(--muted); font-size:13px; }
.warn { color:var(--warn); font-size:13px; }
.row { display:flex; gap:14px; flex-wrap:wrap; }
.row > .col { flex:1; min-width:220px; }
code { background:#0b1220; padding:1px 6px; border-radius:5px; }
.inline-form { display:inline; }