:root {
  color-scheme: dark;
  --bg: #08111f;
  --panel: #101c2d;
  --line: #23354b;
  --text: #e8eef7;
  --muted: #91a2b8;
  --teal: #39d0b3;
  --amber: #f6bd60;
  --red: #ff6b79;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 Inter, system-ui, sans-serif; }
.topbar { padding: 24px 32px; display: flex; align-items: end; justify-content: space-between; border-bottom: 1px solid var(--line); background: linear-gradient(110deg, #0d1d31, #0b2630); }
h1 { margin: 5px 0 2px; font-size: 28px; letter-spacing: -.02em; }
p { margin: 0; color: var(--muted); }
.back { color: var(--teal); text-decoration: none; }
.health { display: flex; align-items: center; gap: 9px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px currentColor; }
.dot.ready { background: var(--teal); }
.dot.bad { background: var(--red); }
button { border: 1px solid #2d746c; background: #153c3b; color: #dcfff8; border-radius: 7px; padding: 8px 12px; cursor: pointer; }
button:disabled { opacity: .4; cursor: not-allowed; }
.tabs { display: flex; gap: 6px; padding: 14px 32px 0; }
.tab { background: transparent; border-color: transparent; color: var(--muted); }
.tab.active { color: var(--text); border-color: var(--line); background: var(--panel); }
main { padding: 20px 32px 40px; }
.page { display: none; }
.page.active { display: block; }
.warning { padding: 12px 14px; border-left: 3px solid var(--amber); background: #2a2316; color: #f8deb0; margin-bottom: 18px; }
.warning.safe { border-color: var(--teal); background: #102a29; color: #c7f5ed; }
.summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 18px; }
.summary-grid article { padding: 15px; background: var(--panel); border: 1px solid var(--line); border-radius: 9px; }
.summary-grid span { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.summary-grid strong { display: block; margin-top: 5px; font-size: 18px; }
.table-shell { overflow-x: auto; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); }
table { width: 100%; border-collapse: collapse; min-width: 1060px; }
th, td { padding: 13px 12px; border-bottom: 1px solid var(--line); text-align: right; vertical-align: top; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .055em; background: #0c1726; }
td strong, td small { display: block; }
small { color: var(--muted); }
.ready { color: var(--teal); }
.stale, .negative { color: var(--red); }
.actions { display: flex; gap: 6px; justify-content: flex-end; min-width: 215px; }
.actions button:last-child { border-color: #5f557c; background: #28223c; }
#toast { position: fixed; right: 24px; bottom: 24px; max-width: 380px; padding: 12px 16px; border-radius: 8px; background: #172a3d; border: 1px solid var(--line); opacity: 0; pointer-events: none; transition: opacity .2s; }
#toast.show { opacity: 1; }
@media (max-width: 800px) {
  .topbar { align-items: flex-start; gap: 18px; flex-direction: column; padding: 20px; }
  main { padding: 16px; } .tabs { padding-left: 16px; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
}