/**
 * Billing - 会员与充值样式
 */
.text-danger { color: #dc2626 !important; }

/* 工作台容器 */
.billing-workspace {
  padding: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.billing-workspace.is-hidden {
  display: none;
}

/* Mock 提示 */
.billing-mock-banner {
  background: #fff3cd;
  color: #856404;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 16px;
  text-align: center;
}

/* 加载和空状态 */
.billing-loading,
.billing-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary, #666);
}

/* 权益卡片 */
.billing-entitlement-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.billing-entitlement-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.billing-plan-name {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 4px;
}

.billing-plan-status {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 10px;
}

.billing-plan-status.badge-success {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.billing-plan-status.badge-default {
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.8);
}

.billing-expires {
  font-size: 13px;
  opacity: 0.85;
}

.billing-credits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.billing-credit-item {
  text-align: center;
}

.billing-credit-value {
  display: block;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
}

.billing-credit-label {
  display: block;
  font-size: 12px;
  opacity: 0.8;
  margin-top: 4px;
}

.billing-credits-note {
  font-size: 12px;
  opacity: 0.7;
  margin-top: 16px;
  line-height: 1.5;
}

/* 区块 */
.billing-section {
  margin-bottom: 32px;
}

.billing-section-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e5e7eb;
}

/* 商品卡片网格 */
.billing-sku-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.billing-sku-card {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px;
  position: relative;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.billing-sku-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.billing-sku-card.is-recommended {
  border-color: #667eea;
}

.billing-sku-card.is-current {
  background: #f9fafb;
  border-color: #d1d5db;
}

.billing-sku-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #667eea;
  color: #fff;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
}

.billing-sku-badge.current {
  background: #9ca3af;
}

.billing-sku-name {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 8px;
}

.billing-sku-price {
  font-size: 24px;
  font-weight: 700;
  color: #667eea;
  margin-bottom: 8px;
}

.billing-sku-period {
  font-size: 13px;
  font-weight: 400;
  color: #6b7280;
}

.billing-sku-desc {
  font-size: 13px;
  color: #6b7280;
  margin: 4px 0;
}

.billing-sku-features {
  list-style: none;
  padding: 0;
  margin: 12px 0;
  font-size: 13px;
  color: #4b5563;
}

.billing-sku-features li {
  padding: 2px 0;
}

.billing-sku-features li::before {
  content: '✓ ';
  color: #10b981;
  font-weight: 600;
}

.billing-sku-btn {
  display: block;
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 6px;
  background: #667eea;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  margin-top: 12px;
  transition: background 0.2s;
}

.billing-sku-btn:hover {
  background: #5a67d8;
}

.billing-sku-btn:disabled {
  background: #d1d5db;
  cursor: not-allowed;
}

/* 流水表 */
.billing-ledger-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.billing-ledger-table th {
  text-align: left;
  padding: 8px 12px;
  background: #f9fafb;
  font-weight: 500;
  color: #6b7280;
  border-bottom: 1px solid #e5e7eb;
}

.billing-ledger-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #f3f4f6;
}

.billing-direction {
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
}

.billing-direction-consume {
  background: #fef2f2;
  color: #dc2626;
}

.billing-direction-grant {
  background: #f0fdf4;
  color: #16a34a;
}

.billing-direction-purchase {
  background: #eff6ff;
  color: #2563eb;
}

.billing-amount {
  font-weight: 600;
}

/* 支付弹窗 */
.billing-payment-dialog {
  border: none;
  border-radius: 12px;
  padding: 0;
  max-width: 400px;
  width: 90%;
}

.billing-payment-dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.billing-payment-content {
  padding: 32px 24px;
  text-align: center;
}

.billing-payment-content h3 {
  font-size: 18px;
  margin: 0 0 8px;
}

.billing-payment-sku {
  color: #6b7280;
  margin: 0 0 4px;
}

.billing-payment-amount {
  font-size: 28px;
  font-weight: 700;
  color: #667eea;
  margin: 0 0 20px;
}

.billing-qr-area {
  margin: 20px 0;
}

.billing-qr-placeholder {
  border: 2px dashed #d1d5db;
  border-radius: 8px;
  padding: 24px;
  background: #f9fafb;
}

.billing-qr-icon {
  font-size: 48px;
  margin-bottom: 8px;
}

.billing-qr-url {
  font-size: 11px;
  color: #9ca3af;
  word-break: break-all;
}

.billing-qr-image {
  display: block;
  width: 200px;
  height: 200px;
  margin: 0 auto;
}

.billing-payment-status {
  margin: 16px 0 8px;
}

.billing-status-pending {
  color: #f59e0b;
  font-size: 14px;
}

.billing-status-paid {
  color: #10b981;
  font-size: 14px;
  font-weight: 600;
}

.billing-status-failed,
.billing-status-expired {
  color: #ef4444;
  font-size: 14px;
}

.billing-order-no {
  font-size: 12px;
  color: #9ca3af;
  margin: 8px 0 16px;
}

.billing-payment-close {
  background: none;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: 8px 24px;
  color: #6b7280;
  cursor: pointer;
  font-size: 14px;
}

.billing-payment-close:hover {
  background: #f3f4f6;
}

/* 点数不足弹窗 */
.billing-insufficient-dialog {
  border: none;
  border-radius: 12px;
  padding: 0;
  max-width: 420px;
  width: 90%;
}

.billing-insufficient-dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.billing-insufficient-content {
  padding: 32px 24px;
  text-align: center;
}

.billing-insufficient-content h3 {
  font-size: 18px;
  color: #ef4444;
  margin: 0 0 12px;
}

.billing-insufficient-content p {
  font-size: 14px;
  color: #4b5563;
  margin: 0 0 16px;
}

.billing-insufficient-recommend {
  background: #f0fdf4;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 20px;
}

.billing-insufficient-recommend p {
  margin: 0;
  color: #166534;
}

.billing-insufficient-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.billing-btn-primary {
  background: #667eea;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.billing-btn-primary:hover {
  background: #5a67d8;
}

.billing-btn-secondary {
  background: none;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: 10px 24px;
  font-size: 14px;
  color: #6b7280;
  cursor: pointer;
}

.billing-btn-secondary:hover {
  background: #f3f4f6;
}

/* Toast */
.billing-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #1f2937;
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 10000;
  animation: billingToastIn 0.3s ease;
}

@keyframes billingToastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* 账户弹窗入口 */
.billing-entry-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  background: #f9fafb;
  color: #4b5563;
  font-size: 13px;
  cursor: pointer;
  margin: 12px 0;
  transition: background 0.2s;
}

.billing-entry-btn:hover {
  background: #eff6ff;
  border-color: #667eea;
  color: #667eea;
}

.billing-entry-icon {
  font-size: 16px;
}

/* 工作台顶部权益条 */
.billing-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 12px;
  background: #f8fafc;
  border-bottom: 1px solid #e5e7eb;
  font-size: 12px;
  color: #6b7280;
}

.billing-topbar-plan {
  font-weight: 500;
  color: #4b5563;
}

.billing-topbar-credits {
  color: #667eea;
  font-weight: 600;
}

.billing-topbar-link {
  margin-left: auto;
  color: #667eea;
  text-decoration: none;
  cursor: pointer;
}

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

/* 响应式 */
@media (max-width: 768px) {
  .billing-credits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .billing-sku-grid {
    grid-template-columns: 1fr;
  }

  .billing-entitlement-header {
    flex-direction: column;
    gap: 8px;
  }
}