:root {
  --bg: #0f172a;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
}

.card {
  width: 100%;
  max-width: 32rem;
  background: var(--card);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.logo {
  display: block;
  margin: 0 auto 1.25rem;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: 1.5rem;
  line-height: 1.25;
}

.lead {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 1.05rem;
}

#countdown {
  font-weight: 700;
  color: var(--accent);
}

.manual {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.manual a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.manual a:hover,
.manual a:focus {
  text-decoration: underline;
}