:root {
  --bg: #0a0a0f;
  --surface: #1a1a2e;
  --accent: #00d4aa;
  --text: #e0e0e0;
  --muted: #888;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  padding: 1.5rem;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 1.4rem;
  color: var(--accent);
}

.badge {
  display: inline-block;
  background: var(--surface);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.card {
  background: var(--surface);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.card h2 {
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.status { font-size: 0.9rem; line-height: 1.6; }

.status .ok { color: var(--accent); }
.status .warn { color: #f0ad4e; }
.status .err { color: #e74c3c; }

button {
  width: 100%;
  padding: 0.875rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.5rem;
}

button:active { opacity: 0.8; }

pre {
  background: #000;
  padding: 0.75rem;
  border-radius: 6px;
  font-size: 0.75rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 200px;
  overflow-y: auto;
}