* { box-sizing: border-box; }
body { margin:0; font-family: -apple-system, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
       background:#0f1115; color:#e6e6e6; }
.topbar { display:flex; align-items:center; gap:16px; padding:14px 20px;
          background:#161922; border-bottom:1px solid #262b36; position:sticky; top:0; z-index:10; }
.brand { font-weight:700; font-size:18px; letter-spacing:.5px; }
.state { padding:4px 10px; border-radius:14px; font-size:12px; font-weight:600;
         background:#262b36; color:#aaa; }
.state-running { background:#0e6e3a; color:#fff; }
.state-stopped { background:#5a1e1e; color:#fff; }
.state-paused  { background:#7a5d10; color:#fff; }
.state-error   { background:#7a1010; color:#fff; }
.ctrl { margin-left:auto; display:flex; gap:8px; flex-wrap:wrap; }
.user-area { margin-left:14px; display:flex; align-items:center; gap:10px;
             font-size:13px; color:#aab; }
.btn { background:#2a2f3d; color:#fff; border:1px solid #383e4d; padding:6px 12px;
       border-radius:6px; cursor:pointer; font-size:13px; }
.btn:hover { background:#343b4d; }
.btn:disabled { opacity:.5; cursor:not-allowed; }
.btn-green { background:#0e6e3a; border-color:#0e6e3a; }
.btn-red   { background:#7a1010; border-color:#7a1010; }
.btn-orange{ background:#a05a10; border-color:#a05a10; }
.grid { display:grid; grid-template-columns:repeat(3, 1fr); gap:14px; padding:18px; }
.card { background:#161922; border:1px solid #262b36; border-radius:10px; padding:16px; }
.card h3 { margin:0 0 10px; font-size:14px; color:#cfd3dc; letter-spacing:.4px; text-transform:uppercase; }
.span2 { grid-column: span 3; }
.kv { width:100%; border-collapse:collapse; font-size:14px; }
.kv td { padding:5px 6px; border-bottom:1px dashed #262b36; }
.kv td:first-child { color:#888; width:40%; }
.muted { color:#7d8492; font-size:12px; margin-top:8px; }
.scroll { overflow:auto; max-height:340px; }
.grid-table { width:100%; border-collapse:collapse; font-size:13px; }
.grid-table th, .grid-table td { padding:6px 8px; text-align:left;
                                 border-bottom:1px solid #262b36; }
.grid-table th { background:#1c2030; color:#aab; position:sticky; top:0; }
.pos { color:#3ad177; }
.neg { color:#e85f5f; }
@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .span2 { grid-column: span 1; }
  .ctrl { margin-left:0; }
}