:root {
  color-scheme: dark;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #07111f;
  color: #f8fbff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, #07111f 0%, #12253d 100%);
}
.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
  display: grid;
  gap: 1.25rem;
}
.card {
  background: rgba(8, 20, 36, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25);
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.8rem;
  color: #79d6ff;
  margin: 0 0 0.4rem;
}
h1 { margin: 0 0 0.75rem; font-size: clamp(1.9rem, 3.4vw, 2.75rem); }
.intro, .hint, .subtext { color: #c6d7eb; line-height: 1.6; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.2rem; }
.button {
  display: inline-flex; align-items: center; justify-content: center; padding: 0.8rem 1.1rem; border-radius: 999px; text-decoration: none; font-weight: 600; border: none; cursor: pointer;
}
.button.primary { background: linear-gradient(90deg, #1fc4ff, #6d7cff); color: white; }
.button.secondary { background: rgba(255, 255, 255, 0.08); color: white; }
.active-link { margin-top: 0.8rem; font-size: clamp(1.1rem, 2.2vw, 1.5rem); word-break: break-all; }
.active-link a { color: #8ce8ff; text-decoration: none; }
.join-form { display: grid; gap: 0.8rem; margin-top: 1.2rem; }
.join-form label { display: grid; gap: 0.35rem; font-weight: 600; }
.join-form input { padding: 0.8rem 0.95rem; border-radius: 12px; border: 1px solid rgba(255,255,255,0.14); background: rgba(255,255,255,0.06); color: white; }
.join-form input::placeholder { color: #92a9c2; }
@media (max-width: 680px) { .page { padding: 1.25rem 0.8rem 2rem; } .card { padding: 1.25rem; } }