/* Billing page specific styles */
.billing-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 28px;
}

@media (max-width: 768px) {
  .billing-overview { grid-template-columns: 1fr; }
}

.pm-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  transition: all var(--transition);
  background: var(--color-surface);
}

.pm-card:hover {
  border-color: var(--color-primary-muted);
  background: var(--color-surface-hover);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.pm-card.default {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.pm-card-icon {
  font-size: 1.6rem;
  color: var(--color-text-secondary);
  width: 36px;
  text-align: center;
}

.pm-card.default .pm-card-icon {
  color: var(--color-primary);
}

.pm-card-details {
  flex: 1;
}

.pm-card-type {
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
}

.pm-card-info {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  flex-wrap: wrap;
}

.pm-card-actions {
  display: flex;
  gap: 6px;
}

.coupon-form {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.coupon-form input {
  flex: 1;
}

/* Pending balance banner */
.billing-balance-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 22px 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-xs);
  flex-wrap: wrap;
}

.billing-balance-item {
  flex: 1;
  min-width: 140px;
}

.billing-balance-label {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.billing-balance-value {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.billing-balance-value.highlight {
  color: var(--color-primary);
}

.billing-balance-value.warning {
  color: var(--color-warning);
}

.billing-balance-divider {
  width: 1px;
  height: 48px;
  background: var(--color-border);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .billing-balance-banner {
    padding: 16px 20px;
    gap: 12px;
  }
  .billing-balance-divider {
    display: none;
  }
  .billing-balance-item {
    min-width: 100%;
  }
}

/* Commission info */
.commission-info {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-light);
}

.commission-info i {
  color: var(--color-info);
  font-size: 0.9rem;
}

.commission-percent {
  font-weight: 700;
  color: var(--color-text);
}

/* Charge summary cards */
.charge-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.charge-summary-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-xs);
}

.charge-summary-card-label {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.charge-summary-card-value {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

/* Invoice line items */
.line-items-list {
  margin-top: 12px;
}

.line-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.85rem;
}

.line-item:last-child {
  border-bottom: none;
}

.line-item-desc {
  color: var(--color-text-secondary);
  flex: 1;
}

.line-item-type {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  background: var(--color-surface-alt);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  margin-right: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
}

.line-item-amount {
  font-weight: 700;
  white-space: nowrap;
}