:root {
  --bg: #0f1115; --card: #151922; --text: #e7eaf0; --muted: #9aa4b2; --accent: #4ea2ff; --border: #202636;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial; }

.hdr { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 20px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: rgba(15,17,21,0.9); backdrop-filter: blur(4px); }
.brand .logo { font-weight: 700; letter-spacing: 0.2px; font-size: 18px; }
.brand .sub { margin-left: 10px; color: var(--muted); font-size: 14px; }
.status { color: var(--muted); font-size: 14px; }
.status #conn { color: var(--accent); margin-right: 12px; }

.grid { display: grid; grid-template-columns: 1fr; gap: 18px; padding: 16px; max-width: 1200px; margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 4px 14px rgba(0,0,0,0.25); }
.card h2 { margin: 0; padding: 12px 14px; border-bottom: 1px solid var(--border); font-size: 15px; color: var(--muted); }

.table-wrap { overflow: auto; }
.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13px; white-space: nowrap; }
.tbl thead th { text-align: left; color: var(--muted); font-weight: 600; }
.tbl tbody tr:hover { background: rgba(255,255,255,0.03); }
.empty td { color: var(--muted); text-align: center; }