body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #fff;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 480px;
  margin: 40px auto 0 auto;
  padding: 0 16px;
  text-align: center;
}

.plan-section {
  margin-bottom: 48px;
}

.plan-title {
  font-size: 2.2em;
  font-weight: 500;
  margin-bottom: 10px;
  margin-top: 32px;
}

.plan-price {
  font-size: 2em;
  color: #2276d2;
  margin-bottom: 8px;
  font-weight: 400;
}

.plan-period {
  color: #2276d2;
  font-size: 1.1em;
  margin-bottom: 18px;
}

.powered {
  margin-top: 24px;
  color: #888;
  font-size: 1.1em;
}

.powered b {
  color: #2276d2;
  font-weight: 600;
}

.pay-section {
  margin-top: 0;
  margin-bottom: 0;
}

.pay-heading {
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 32px;
  margin-top: 0;
}

.pay-btn, .sepa-btn, .card-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 20px 0;
  margin-bottom: 18px;
  border: none;
  border-radius: 6px;
  font-size: 1.3em;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.pay-btn {
  background: #ffc439;
  color: #003087;
  font-family: 'Segoe UI', Arial, sans-serif;
}

.pay-btn svg {
  margin-right: 10px;
}

.pay-btn:hover {
  background: #ffb800;
}

.sepa-btn {
  background: #f3f3f3;
  color: #003087;
  font-family: 'Segoe UI', Arial, sans-serif;
}

.sepa-btn svg {
  margin-right: 10px;
}

.sepa-btn:hover {
  background: #e6e6e6;
}

.card-btn {
  background: #23272a;
  color: #fff;
  font-family: 'Segoe UI', Arial, sans-serif;
}

.card-btn svg {
  margin-right: 10px;
}

.card-btn:hover {
  background: #111;
}

#error-message {
  color: #d93025;
  margin-top: 18px;
  font-size: 1em;
}

#success-message {
  color: #137333;
  margin-top: 18px;
  font-size: 1em;
}

.loading {
  opacity: 0.6;
  cursor: not-allowed !important;
}

.subscription-info {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 24px;
  text-align: left;
}

.subscription-info h3 {
  margin-top: 0;
  color: #2276d2;
}

.subscription-info ul {
  margin: 10px 0;
  padding-left: 20px;
}

.subscription-info li {
  margin-bottom: 8px;
}