:root {
  font-family: system-ui, sans-serif;
  background: #07110f;
  color: #eef8f3;
}
body {
  margin: 0;
}
.shell {
  max-width: 720px;
  margin: auto;
  padding: 24px;
}
.badge {
  color: #092018;
  background: #70e2b6;
  display: inline-block;
  padding: 5px 8px;
  font-weight: 700;
  font-size: 0.75rem;
}
header {
  display: flex;
  justify-content: space-between;
  padding: 18px 0;
  border-bottom: 1px solid #28443b;
}
a {
  color: #8df2c7;
}
header a {
  font-weight: 900;
  letter-spacing: 0.12em;
  text-decoration: none;
}
.panel {
  margin-top: 24px;
  padding: 24px;
  background: #10231e;
  border: 1px solid #28443b;
}
form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}
label {
  display: grid;
  gap: 6px;
}
input,
button {
  font: inherit;
  padding: 12px;
  border-radius: 4px;
}
input {
  border: 1px solid #5a756a;
  background: #07110f;
  color: inherit;
}
button {
  border: 0;
  background: #70e2b6;
  color: #092018;
  font-weight: 800;
  cursor: pointer;
}
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
#notice {
  min-height: 24px;
  margin-top: 12px;
  color: #ffbf9b;
}
.success {
  color: #8df2c7;
}
li {
  margin: 8px 0;
  word-break: break-word;
}
.checkout-qr {
  margin-top: 18px;
  max-width: 320px;
  padding: 12px;
  background: #eef8f3;
  color: #092018;
}
.checkout-qr a {
  display: block;
}
.checkout-qr img {
  display: block;
  width: 100%;
  height: auto;
  background: white;
}
.checkout-qr p {
  margin: 12px 0 0;
  font-size: 0.85rem;
}