html,
body {
  margin: 0;
  overflow: hidden;
}

:root {
  --airtrail-primary: #3c83f6;
  --airtrail-primary-dark: #1d4ed8;
  --airtrail-surface: #ffffff;
  --airtrail-ink: #0f172a;
  --airtrail-muted: #5b677a;
  --airtrail-border: #e2e8f0;
  --airtrail-bg: #f8fafc;
}

body {
  font-family:
    "Avenir Next",
    "Avenir",
    "Trebuchet MS",
    "Segoe UI",
    sans-serif;
  font-size: 15px;
  color: var(--airtrail-ink);
  text-align: center;
  background: radial-gradient(
      circle at top,
      rgba(59, 130, 246, 0.16),
      transparent 45%
    ),
    linear-gradient(180deg, #f8fbff 0%, var(--airtrail-bg) 60%, #eef2f7 100%);
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--airtrail-primary) 0%,
    var(--airtrail-primary-dark) 100%
  );
  border-color: var(--airtrail-primary-dark);
  border-radius: 999px !important;
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(60, 131, 246, 0.22);
}
.btn-primary:hover {
  border-color: var(--airtrail-primary-dark);
  color: #ffffff;
}

iframe {
  width: 100%;
  height: 100vh;
  border: 0;
  margin: 0;
  padding: 0;
}

.main {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.entry {
  background: var(--airtrail-surface);
  border: 1px solid var(--airtrail-border);
  border-radius: 28px;
  padding: 40px 46px;
  box-shadow: 0 25px 50px rgba(15, 23, 42, 0.12);
  max-width: 520px;
}

.entry h2 {
  font-weight: 700;
}

.entry p {
  color: var(--airtrail-muted);
}

.loading {
  color: var(--airtrail-muted);
  font-weight: 600;
}

.logo {
  width: 72px;
  height: 72px;
  margin-bottom: 20px;
}