:root {
  --bg: #fdfaf5;
  --card: #ffffff;
  --ink: #2c2620;
  --muted: #7a6f63;
  --line: #e8ded0;
  --accent: #d9622b;
  --accent-soft: #fbeee6;
  --danger: #a33a2a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 2rem 1rem 4rem;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
}

main {
  max-width: 34rem;
  margin: 0 auto;
}

h1 {
  margin: 0 0 0.25rem;
  font-size: 2rem;
}

.sub {
  margin: 0 0 1.75rem;
  color: var(--muted);
}

.buttons {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}

@media (min-width: 30rem) {
  .buttons {
    grid-template-columns: 1fr 1fr;
  }
}

button {
  padding: 1rem 1.25rem;
  border-radius: 0.9rem;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s ease, opacity 0.15s ease;
}

button:active:not(:disabled) {
  transform: translateY(1px);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.primary {
  background: var(--accent);
  color: #fff;
}

.secondary {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--line);
}

.status {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.75;
}

.error {
  margin: 1.25rem 0 0;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  background: #fbecea;
  color: var(--danger);
}

.result:empty {
  display: none;
}

.result {
  margin-top: 1.75rem;
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
}

.result h2 {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.result h2 + ul {
  margin-bottom: 1.5rem;
}

.result ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.result li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 1.05rem;
}

.result li:last-child {
  border-bottom: none;
}

.result .note {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
}

.badge {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: middle;
}

.buy {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}