:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0b0d12; color: #e8eaed;
  display: flex; flex-direction: column; align-items: center;
}
nav {
  width: 100%; display: flex; justify-content: center; gap: 0.25rem;
  padding: 1.25rem 1rem 0; flex-wrap: wrap;
}
nav a {
  color: #9aa0a6; text-decoration: none; font-size: 0.85rem;
  padding: 0.45rem 0.9rem; border-radius: 6px; border: 1px solid transparent;
}
nav a:hover { color: #e8eaed; background: #14171d; }
nav a.active { color: #e8eaed; background: #14171d; border-color: #23272f; }
main { width: 100%; max-width: 720px; padding: 2rem 1.5rem 3rem; display: flex; flex-direction: column; align-items: center; }
h1 { font-size: 1.4rem; font-weight: 600; margin: 0 0 0.25rem; }
.subtitle { color: #9aa0a6; font-size: 0.85rem; margin: 0 0 2rem; text-align: center; }
.grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem; width: 100%;
}
.card {
  background: #14171d; border: 1px solid #23272f; border-radius: 10px;
  padding: 1.25rem;
}
.card h2 {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em;
  color: #9aa0a6; margin: 0 0 0.6rem; font-weight: 600;
}
.status-row { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.4rem; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dot.ok { background: #3ddc84; }
.dot.fail { background: #e8555a; }
.dot.pending { background: #9aa0a6; }
.status-label { font-size: 0.95rem; font-weight: 500; }
.detail { color: #9aa0a6; font-size: 0.8rem; margin: 0.2rem 0 0; word-break: break-word; }
.footer { margin-top: 2rem; color: #6b7178; font-size: 0.75rem; text-align: center; }
button {
  background: #1c2028; color: #e8eaed; border: 1px solid #2a2f38;
  border-radius: 6px; padding: 0.4rem 0.9rem; font-size: 0.8rem; cursor: pointer;
}
button:hover { background: #23272f; }
.empty-state {
  width: 100%; text-align: center; padding: 2.5rem 1.5rem;
  background: #14171d; border: 1px dashed #2a2f38; border-radius: 10px;
  color: #9aa0a6; font-size: 0.9rem; line-height: 1.6;
}
.empty-state strong { color: #e8eaed; display: block; margin-bottom: 0.4rem; font-size: 1rem; }