:root {
  color-scheme: light;
  --black: #171717;
  --white: #ffffff;
  --yellow: #f5b800;
  --yellow-dark: #d99f00;
  --line: rgba(23, 23, 23, .22);
  --muted: rgba(23, 23, 23, .68);
  --danger: #b3261e;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-height: 100%;
  background: var(--black);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  margin: 0;
  color: var(--black);
}

.shell {
  width: min(100%, 480px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px 18px 36px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,0) 220px),
    var(--black);
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 8px 2px 20px;
  color: var(--white);
}

.brand-logo {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: contain;
  background: var(--black);
  box-shadow: 0 0 0 2px rgba(255,255,255,.1);
}

h1 {
  margin: 0;
  font-size: 27px;
  line-height: 1.1;
  letter-spacing: 0;
}

p {
  margin: 4px 0 0;
  color: rgba(255,255,255,.72);
}

.form {
  display: grid;
  gap: 16px;
  border-radius: 8px;
  padding: 18px;
  background: var(--yellow);
  box-shadow: 0 14px 34px rgba(0,0,0,.24);
}

label {
  display: grid;
  gap: 7px;
  color: var(--black);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
}

input {
  width: 100%;
  min-height: 48px;
  border: 2px solid var(--black);
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--black);
  font: inherit;
  background: var(--white);
  text-transform: none;
}

select {
  width: 100%;
  min-height: 48px;
  border: 2px solid var(--black);
  border-radius: 8px;
  padding: 11px 10px;
  color: var(--black);
  font: inherit;
  background: var(--white);
}

.phone-row {
  display: grid;
  grid-template-columns: minmax(118px, .75fr) minmax(0, 1.25fr);
  gap: 12px;
}

input:focus {
  outline: 3px solid rgba(255,255,255,.65);
  border-color: var(--black);
}

.checks {
  display: grid;
  gap: 12px;
  margin-top: 2px;
}

.check {
  grid-template-columns: 22px 1fr;
  align-items: start;
  gap: 10px;
  font-weight: 650;
  line-height: 1.35;
  text-transform: none;
}

.check input {
  min-height: auto;
  width: 20px;
  height: 20px;
  margin: 1px 0 0;
  accent-color: var(--black);
}

button {
  min-height: 50px;
  border: 2px solid var(--black);
  border-radius: 8px;
  margin-top: 6px;
  background: var(--black);
  color: var(--white);
  font: inherit;
  font-weight: 850;
}

.secondary-button {
  margin-top: 0;
  background: var(--yellow);
  color: var(--black);
}

.secondary-button:active {
  background: var(--yellow-dark);
}

.verification-panel {
  display: grid;
  gap: 12px;
}

.wallet-button {
  display: grid;
  min-height: 48px;
  margin-top: 14px;
  place-items: center;
  border-radius: 8px;
  background: var(--black);
  color: var(--white);
  font-weight: 850;
  text-decoration: none;
}

button:active {
  background: #000;
}

button:disabled {
  opacity: .48;
}

.result {
  margin-top: 18px;
  border: 2px solid var(--black);
  border-radius: 8px;
  padding: 16px;
  background: var(--yellow);
  box-shadow: 0 18px 45px rgba(0,0,0,.22);
}

.result strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

.result .code {
  margin-top: 12px;
  font-size: 28px;
  font-weight: 850;
  letter-spacing: 0;
}

.result.error {
  border-color: var(--danger);
  color: var(--black);
  background: #fff;
}

@media (max-width: 360px) {
  .phone-row {
    grid-template-columns: 1fr;
  }
}