:root {
  --bg: #0f1419;
  --panel: #171d26;
  --panel2: #1e2632;
  --line: #2a3340;
  --text: #e6edf3;
  --muted: #8b98a8;
  --accent: #4cc2ff;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
  --shadow: 0 1px 3px rgba(0,0,0,.4);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.brand { font-weight: 700; font-size: 16px; letter-spacing: .3px; }
.brand small { color: var(--muted); font-weight: 500; font-size: 12px; }
.brand .logo { color: var(--accent); }

.muted { color: var(--muted); }
.small { font-size: 12px; }

/* topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.topbar-right { display: flex; align-items: center; gap: 12px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); display: inline-block; }
.dot.busy { background: var(--accent); box-shadow: 0 0 0 3px rgba(76,194,255,.2); animation: pulse 1.2s infinite; }
.dot.idle { background: var(--ok); }
@keyframes pulse { 50% { opacity: .4; } }

.btn {
  background: var(--accent); color: #04151f; border: none; padding: 7px 14px;
  border-radius: 6px; font-weight: 600; cursor: pointer; font-size: 13px;
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }

/* layout */
main { padding: 20px; max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; box-shadow: var(--shadow); }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.card-head h2 { margin: 0; font-size: 15px; font-weight: 600; }

.pill { background: var(--panel2); border: 1px solid var(--line); color: var(--muted); padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }

/* stat rows */
.stat-row { display: flex; flex-wrap: wrap; gap: 10px; }
.stat {
  flex: 1; min-width: 110px; background: var(--panel2); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 12px;
}
.stat .val { font-size: 22px; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .4px; margin-top: 2px; }
.stat .val.ok { color: var(--ok); }
.stat .val.warn { color: var(--warn); }
.stat .val.err { color: var(--err); }
.stat .val.accent { color: var(--accent); }

/* tables */
.grid { width: 100%; border-collapse: collapse; }
.grid th, .grid td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.grid th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .4px; }
.grid tbody tr:hover { background: var(--panel2); }
.grid td.num { text-align: right; font-variant-numeric: tabular-nums; }

/* badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge.fresh { background: rgba(63,185,80,.15); color: var(--ok); }
.badge.aging { background: rgba(210,153,34,.15); color: var(--warn); }
.badge.stale { background: rgba(248,81,73,.15); color: var(--err); }
.badge.never { background: var(--panel2); color: var(--muted); }
.badge.ok { background: rgba(63,185,80,.15); color: var(--ok); }
.badge.error { background: rgba(248,81,73,.15); color: var(--err); }

.legend { font-size: 12px; color: var(--muted); display: flex; gap: 10px; }

.windows { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.window h3 { margin: 0 0 8px; font-size: 13px; color: var(--muted); }
.errs { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.err-item { background: var(--panel2); border-left: 3px solid var(--err); border-radius: 4px; padding: 6px 10px; font-size: 12px; }
.err-item .cnt { color: var(--err); font-weight: 700; margin-right: 6px; }

.report { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }

@media (max-width: 720px) { .windows { grid-template-columns: 1fr; } }

/* login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 28px 26px; width: 320px; display: flex; flex-direction: column; gap: 14px; box-shadow: var(--shadow);
}
.login-card .brand { font-size: 20px; }
.login-sub { color: var(--muted); margin: -4px 0 6px; font-size: 13px; }
.login-card label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--muted); }
.login-card input {
  background: var(--bg); border: 1px solid var(--line); border-radius: 6px;
  padding: 9px 11px; color: var(--text); font-size: 14px;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card button { background: var(--accent); color: #04151f; border: none; padding: 10px; border-radius: 6px; font-weight: 700; cursor: pointer; margin-top: 4px; }
.login-err { color: var(--err); font-size: 13px; text-align: center; }