:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07110f;
  color: #f2f7f5;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 100% 0, rgba(33, 231, 181, 0.16), transparent 38rem),
    #07110f;
}

.shell {
  width: min(100%, 34rem);
  margin: 0 auto;
  padding: max(2rem, env(safe-area-inset-top)) 1rem max(2rem, env(safe-area-inset-bottom));
}

.brand {
  margin: 0 0 1rem;
  color: #55f2c9;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.card {
  padding: 1.25rem;
  border: 1px solid rgba(136, 244, 214, 0.18);
  border-radius: 1.25rem;
  background: rgba(12, 30, 26, 0.94);
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.32);
}

.state {
  font-size: 1.1rem;
  font-weight: 700;
}

.state.error {
  color: #ff938c;
}

.state.success {
  color: #55f2c9;
}

.payment {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.row {
  display: grid;
  gap: 0.25rem;
}

.label,
.hint {
  color: #9cb6af;
  font-size: 0.82rem;
}

.value {
  overflow-wrap: anywhere;
  font-size: 0.96rem;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.actions {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.35rem;
}

.button {
  display: block;
  width: 100%;
  min-height: 3rem;
  padding: 0.85rem 1rem;
  border: 0;
  border-radius: 0.85rem;
  font: inherit;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.primary {
  background: #40e7b9;
  color: #05251d;
}

.secondary {
  border: 1px solid #35564e;
  background: #102c25;
  color: #dff9f2;
}

.danger {
  background: #ff6f67;
  color: #2d0705;
}

textarea {
  width: 100%;
  min-height: 7rem;
  padding: 0.8rem;
  border: 1px solid #35564e;
  border-radius: 0.75rem;
  background: #091a16;
  color: inherit;
  font: inherit;
  resize: vertical;
}

.hidden {
  display: none;
}