:root{--bg:#f6f7f9;--card:#fff;--fg:#1b1f24;--muted:#6b7280;--line:#e5e7eb;--ok:#16a34a;--bad:#dc2626;--unk:#9ca3af;--accent:#2563eb}
@media (prefers-color-scheme:dark){:root{--bg:#0f1216;--card:#181c22;--fg:#e6e8eb;--muted:#9aa3ad;--line:#2a3038;--accent:#60a5fa}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 system-ui,sans-serif}
main{max-width:1000px;margin:0 auto;padding:16px}
header{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;align-items:center}
h1{font-size:1.3rem;margin:.5rem 0}h2{font-size:1.05rem;margin:0 0 .75rem}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;margin:12px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;margin:12px 0}
.grid .card{margin:0}
.narrow{max-width:340px;margin:20vh auto;display:flex;flex-direction:column;gap:10px}
.top{display:flex;justify-content:space-between;gap:8px;align-items:center}
.name{font-weight:600}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;background:var(--unk)}
.up .dot{background:var(--ok)}.down .dot{background:var(--bad)}
.down{border-color:var(--bad)}.off{opacity:.55}
a{color:var(--accent);word-break:break-all}
.muted{color:var(--muted);font-size:.85rem}
.bars{display:flex;gap:2px;height:22px;margin:10px 0 6px;align-items:stretch}
.bars i{flex:1;border-radius:2px;background:var(--ok);min-width:2px}.bars i.f{background:var(--bad)}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.row input:not([type=checkbox]){padding:6px 8px}
#svcName,#svcUrl{flex:1 1 200px}
input{border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg);font:inherit}
button{border:0;border-radius:6px;padding:7px 12px;background:var(--accent);color:#fff;font:inherit;cursor:pointer}
button.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
button.small{padding:3px 8px;font-size:.8rem}
.err{color:var(--bad);margin:0}
.chk{display:flex;gap:6px;align-items:center}