.payment-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(ellipse at 50% 0, rgba(153, 27, 27, 0.2), transparent 55%),
    var(--bg);
}

.payment-card {
  width: min(100%, 480px);
  padding: 44px 36px 40px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(145deg, var(--card), #100606);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45), 0 0 44px rgba(220, 38, 38, 0.1);
  text-align: center;
}

.payment-brand {
  display: inline-block;
  margin-bottom: 36px;
  color: var(--text);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 2px;
}

.payment-result-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin: 0 auto 22px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg2);
  color: var(--red-bright);
  font-size: 28px;
  font-weight: 700;
}

.payment-result-icon.success {
  border-color: rgba(34, 197, 94, 0.4);
  background: rgba(34, 197, 94, 0.1);
  color: var(--green);
}

.payment-result-icon.failed { color: var(--red-bright); }

.payment-eyebrow {
  margin-bottom: 8px;
  color: var(--red-bright);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
}

.payment-card h1 {
  margin-bottom: 12px;
  font-size: clamp(25px, 6vw, 32px);
  line-height: 1.2;
}

.payment-message {
  margin: 0 auto 26px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.payment-action { margin-top: 10px; }

.payment-link {
  display: inline-block;
  margin-top: 22px;
  font-size: 14px;
}

.payment-spinner {
  width: 42px;
  height: 42px;
  margin: 8px auto 24px;
  border: 3px solid var(--border);
  border-top-color: var(--red-bright);
  border-radius: 50%;
  animation: payment-spin 0.8s linear infinite;
}

@keyframes payment-spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 480px) {
  .payment-card { padding: 36px 22px 30px; }
}