* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(180,0,0,.35), transparent 35%),
    linear-gradient(180deg, #0e0e10 0%, #161619 100%);
  color: #fff;
}
.wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.card {
  width: 100%;
  max-width: 440px;
  background: rgba(18,18,20,.92);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  padding: 28px 22px;
  box-shadow: 0 18px 45px rgba(0,0,0,.35);
  text-align: center;
}
.badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  font-size: 12px;
  letter-spacing: .08em;
}
h1 {
  margin: 6px 0 10px;
  font-size: 40px;
  line-height: 1.05;
  color: #ff3030;
}
.sub {
  margin: 0 0 24px;
  color: #ddd;
  line-height: 1.5;
}
.actions {
  display: grid;
  gap: 12px;
}
.btn {
  width: 100%;
  min-height: 50px;
  border: 0;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled {
  opacity: .72;
  cursor: not-allowed;
}
.btn-primary {
  background: #e11919;
  color: #fff;
}
.btn-secondary {
  background: #24242a;
  color: #fff;
  border: 1px solid rgba(255,255,255,.14);
}
.hint {
  margin-top: 14px;
  min-height: 20px;
  font-size: 13px;
  color: #bcbcbc;
}