html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: radial-gradient(circle at top, #2f144a 0%, #0f0f1b 55%, #090913 100%);
  color: #f8f9fa;
}

.page-wrap {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.linktree-shell {
  width: 100%;
  max-width: 720px;
}

.linktree-card {
  background: rgba(14, 14, 25, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.35);
}

.title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: #d5d9ff;
  margin-bottom: 1.25rem;
}

.link-btn {
  margin-top: 0.5rem;
}

.btn-primary {
  background-color: #4a7dff;
  border-color: #4a7dff;
}