:root {
  --bg: #0d1117;
  --card-bg: #161b22;
  --border: #30363d;
  --text: #c9d1d9;
  --muted: #8b949e;
  --accent: #58a6ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  padding: 2rem;
}
.maintenance-card {
  max-width: 520px;
  width: 100%;
  padding: 2.5rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card-bg);
  text-align: center;
}
.maintenance-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  line-height: 1;
}
.maintenance-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--text);
}
.maintenance-text {
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}
.brand {
  color: var(--accent);
  font-weight: 700;
}