.payment-modal[hidden] {
  display: none;
}

.payment-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.payment-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(8px);
}

.payment-dialog {
  position: relative;
  width: min(480px, 100%);
  padding: 1.6rem;
  border-radius: 1.6rem;
  border: 1px solid rgba(191, 219, 254, 0.9);
  background:
    radial-gradient(circle at top, rgba(191, 219, 254, 0.4), transparent 44%),
    rgba(255, 255, 255, 0.98);
  box-shadow: 0 32px 80px rgba(15, 23, 42, 0.18);
  text-align: center;
}

.payment-dialog--pay .payment-summary {
  margin-top: 1rem;
  text-align: left;
}

.payment-dialog--pay .payment-order-info,
.payment-dialog--pay .payment-expire-info {
  text-align: left;
  margin-top: 0.65rem;
}

.payment-summary-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
  font-size: 0.9rem;
  color: var(--slate-600);
}

.payment-order-amount {
  font-variant-numeric: tabular-nums;
  color: var(--slate-500);
  font-size: 0.875rem;
  font-weight: 500;
}

.payment-discount-row {
  margin-bottom: 0.75rem;
}

.payment-discount-amount {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: #67c23a;
}

.payment-divider {
  height: 1px;
  margin: 0.85rem 0 1rem;
  background: rgba(148, 163, 184, 0.35);
}

.payment-final-row {
  margin-bottom: 0.25rem;
  align-items: center;
  color: var(--slate-800);
  font-size: 1rem;
  font-weight: 600;
}

.payment-final-amount {
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
  color: #f56c6c;
  letter-spacing: -0.02em;
}

.payment-qr-section {
  margin-top: 1rem;
}

.payment-qr-section[hidden] {
  display: none !important;
}

.payment-qr-hint {
  margin: 0.35rem 0 0;
  font-size: 0.75rem;
  color: var(--slate-500);
}

.payment-dialog--pay .payment-confirm-button--balance {
  width: 100%;
  padding: 0.65rem 1rem;
  border-radius: 0.375rem;
  font-size: 1rem;
  background: #409eff;
  border-color: #409eff;
}

.payment-dialog--pay .payment-confirm-button--balance:hover:not(:disabled) {
  background: #66b1ff;
  border-color: #66b1ff;
}

.payment-close {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  width: 2.25rem;
  height: 2.25rem;
  border: 0;
  border-radius: 999px;
  background: rgba(226, 232, 240, 0.9);
  color: var(--slate-700);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
}

.payment-amount {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--sky-700);
}

.payment-order-info,
.payment-expire-info {
  color: var(--slate-500);
}

.payment-qr-box {
  width: 272px;
  height: 272px;
  margin: 1rem auto;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 1.4rem;
  background: #fff;
  border: 1px solid rgba(191, 219, 254, 0.85);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.8);
  position: relative;
  overflow: hidden;
}

.payment-qr-box.is-invalid::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(255, 255, 255, 0.5);
  pointer-events: none;
}