/* ===== Billing Page ===== */
.billing-page {
  min-height: calc(100vh - var(--header-height));
  background: var(--color-bg-alt);
  padding: 40px 24px;
}

.billing-container {
  max-width: 820px;
  margin: 0 auto;
}

.billing-header {
  margin-bottom: 32px;
}

.billing-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.billing-header p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

/* Grid layout */
.billing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

@media (max-width: 640px) {
  .billing-grid {
    grid-template-columns: 1fr;
  }
}

/* Cards */
.billing-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.billing-card-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

/* Plan card */
.billing-plan-detail {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.billing-plan-name-lg {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.billing-plan-price-lg {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.billing-plan-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.billing-renew {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.billing-plan-cta {
  font-size: 0.875rem;
  line-height: 1.5;
}

/* Badge */
.billing-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: capitalize;
  padding: 2px 8px;
  border-radius: 999px;
}

.billing-badge--success {
  background: #dcfce7;
  color: #16a34a;
}

.billing-badge--warning {
  background: #fef3c7;
  color: #d97706;
}

.billing-badge--inactive {
  background: #f1f5f9;
  color: #64748b;
}

/* Payment method */
.billing-card-info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.billing-card-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.billing-card-details {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.billing-card-exp {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.billing-muted {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

/* Update PM button */
.billing-update-pm {
  margin-top: 4px;
}

/* Upgrade CTA */
.billing-upgrade-cta {
  margin-bottom: 28px;
}

.billing-upgrade-cta .btn {
  width: 100%;
  justify-content: center;
  padding: 14px 24px;
  font-size: 1rem;
}

/* Section (billing history) */
.billing-section {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.billing-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.billing-section-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Table */
.billing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.billing-table th {
  text-align: left;
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
}

.billing-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.billing-table tr:last-child td {
  border-bottom: none;
}

.billing-invoice-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.8125rem;
}

.billing-invoice-link:hover {
  text-decoration: underline;
}

/* Actions */
.billing-actions {
  text-align: center;
  margin-bottom: 24px;
}

.billing-actions .btn {
  min-width: 220px;
  justify-content: center;
}

.billing-actions-hint {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-top: 8px;
}

/* Links */
.billing-links {
  text-align: center;
  margin-top: 24px;
}