:root {
  --bg: #0b0b0d;
  --glass: rgba(255, 255, 255, 0.07);
  --glass-strong: rgba(255, 255, 255, 0.12);
  --gold: #d4af37;
  --gold-soft: rgba(212, 175, 55, 0.35);
  --text: #ffffff;
  --dim: #a1a1aa;
  --error: #ff8a80;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(120% 80% at 50% 0%, #1e1e22 0%, #111114 45%, #050506 100%) fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.45;
}
.wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: max(24px, env(safe-area-inset-top)) 20px max(32px, env(safe-area-inset-bottom));
}
.brand { display: flex; align-items: center; gap: 14px; margin: 8px 0 22px; }
.brand h1 { margin: 0; font-size: 26px; font-weight: 300; letter-spacing: 0.5px; }
.brand h1 span { color: var(--gold); font-weight: 600; }
.brand p { margin: 2px 0 0; color: var(--dim); font-size: 15px; }

.card {
  background: var(--glass);
  border: 1px solid var(--gold-soft);
  border-radius: 22px;
  padding: 22px 20px;
  backdrop-filter: blur(8px);
}
.card.center { text-align: center; }

label { display: block; margin: 16px 0 6px; font-size: 14px; color: var(--dim); }
label:first-child { margin-top: 0; }
input {
  width: 100%;
  padding: 14px 14px;
  font-size: 17px;
  color: var(--text);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  outline: none;
}
input::placeholder { color: #5f5f68; }
input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.18); }
input.code {
  text-align: center;
  font-size: 30px;
  font-weight: 600;
  letter-spacing: 8px;
  text-transform: uppercase;
  color: var(--gold);
  padding: 16px 10px;
}

.tabs { display: flex; gap: 8px; margin: 20px 0 0; }
.tab {
  flex: 1;
  padding: 11px 8px;
  font-size: 15px;
  color: var(--dim);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  cursor: pointer;
}
.tab.active { color: #0b0b0d; background: var(--gold); border-color: var(--gold); font-weight: 600; }

.primary, .secondary {
  width: 100%;
  margin-top: 22px;
  padding: 16px;
  font-size: 17px;
  font-weight: 600;
  border-radius: 14px;
  cursor: pointer;
}
.primary { color: #0b0b0d; background: var(--gold); border: 0; }
.primary:disabled { opacity: 0.55; cursor: default; }
.secondary { color: var(--text); background: transparent; border: 1px solid var(--gold-soft); }

.error { margin: 16px 0 0; color: var(--error); font-size: 15px; }
.note { margin: 16px 0 0; color: var(--dim); font-size: 13px; text-align: center; }

.check {
  width: 64px; height: 64px; margin: 4px auto 12px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  color: var(--gold);
  font-size: 32px;
  display: grid; place-items: center;
}
h2 { margin: 0 0 6px; font-weight: 500; }
.center p { color: var(--dim); margin: 0; }

footer { margin: 22px 6px 0; color: #70707a; font-size: 12.5px; text-align: center; }
[hidden] { display: none !important; }