:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #0abf53;
  --border: #2a3542;
  --err: #ff6b6b;
  --ok: #3dd68c;
  --font: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, #1a3a2a 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, #1a2838 0%, transparent 50%),
    var(--bg);
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.header .eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.header h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  max-width: 42rem;
}

code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.panel {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.amount-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: flex-end;
}

.amount-row label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.amount-row input {
  width: 7.5rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #12181f;
  color: var(--text);
  font: inherit;
}

.btn {
  padding: 0.6rem 1.1rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #041208;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn:hover:not(:disabled) {
  filter: brightness(1.08);
}

.status {
  margin: 1.1rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.status[data-type='ok'] {
  color: var(--ok);
}

.status[data-type='err'] {
  color: var(--err);
}

.wallets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

@media (max-width: 640px) {
  .wallets {
    grid-template-columns: 1fr;
  }
}

.wallet h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 600;
}

#googlepay-container,
#applepay-container {
  min-height: 48px;
}

.hint {
  margin: 0.65rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.notes {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.notes h2 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--text);
}

.notes ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.notes a {
  color: var(--accent);
}