* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(135deg, #0b3d91 0%, #062a63 60%, #0f172a 100%);
  color: #0f172a;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.wrap { flex: 1; display: flex; align-items: center; justify-content: center; padding: 24px; }
.card {
  background: #fff;
  border-radius: 20px;
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}
.logo {
  width: 72px; height: 72px; border-radius: 18px; background: #0b3d91; color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 24px;
  margin: 0 auto 16px;
}
h1 { margin: 0; font-size: 28px; letter-spacing: -.02em; }
.tagline { color: #64748b; margin: 8px 0 20px; font-size: 15px; }
.features { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 24px; }
.features span {
  background: #e6eefb; color: #0b3d91; border-radius: 999px; padding: 6px 12px; font-size: 12px; font-weight: 600;
}
.actions { display: flex; flex-direction: column; gap: 10px; }
.btn {
  display: block; text-decoration: none; border-radius: 12px; padding: 14px; font-weight: 700; font-size: 15px;
  transition: transform .05s ease, opacity .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: #0b3d91; color: #fff; }
.btn.ghost { background: #eef2f7; color: #0b3d91; }
.status-bar {
  background: rgba(0,0,0,.35); color: #e2e8f0; padding: 12px 20px; font-size: 13px;
  display: flex; align-items: center; justify-content: center; gap: 8px; backdrop-filter: blur(4px);
}
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.ok { background: #22c55e; box-shadow: 0 0 0 4px rgba(34,197,94,.25); }
.dot.bad { background: #ef4444; box-shadow: 0 0 0 4px rgba(239,68,68,.25); }
.dot.checking { background: #eab308; }
.sep { opacity: .4; }