.billing-sidebar-entry { border-color: #e0e7ff; background: linear-gradient(135deg, #f8faff, #f5f3ff); }
.billing-sidebar-entry .status-dot { background: #6366f1; }
.billing-page-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.billing-current-card { margin-bottom: 20px; padding: 22px; border: 1px solid #c7d2fe; border-radius: 16px; background: linear-gradient(135deg, #f8faff 0%, #faf5ff 100%); box-shadow: 0 8px 30px rgba(79, 70, 229, .06); }
.billing-current-grid { display: grid; grid-template-columns: minmax(220px, 1.2fr) repeat(3, minmax(110px, .55fr)); align-items: center; gap: 16px; }
.billing-current-title span { display: inline-flex; padding: 4px 9px; border-radius: 999px; background: #eef2ff; color: #4f46e5; font-size: 11px; font-weight: 700; }
.billing-current-title h2 { margin: 9px 0 4px; font-size: 21px; }
.billing-current-title p { margin: 0; color: var(--text-sec); font-size: 12px; }
.billing-quota { padding-left: 16px; border-left: 1px solid #dbe2ff; }
.billing-quota span { display: block; color: var(--text-thi); font-size: 11px; }
.billing-quota strong { display: block; margin-top: 5px; font-size: 16px; }
.billing-quota small { display: block; margin-top: 3px; color: var(--text-sec); font-size: 10px; }
.billing-link-license { margin-top: 7px; padding: 0; border: 0; background: transparent; color: #4f46e5; font-size: 10px; cursor: pointer; text-decoration: underline; }
.billing-section { margin-top: 18px; padding: 20px; border: 1px solid var(--border); border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
.billing-section-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.billing-section-head h2 { margin: 0 0 5px; font-size: 17px; }
.billing-section-head p { margin: 0; color: var(--text-sec); font-size: 12px; }
.billing-product-tabs { display: flex; gap: 4px; padding: 3px; border-radius: 9px; background: #f1f5f9; }
.billing-product-tabs button { padding: 6px 10px; border: 0; border-radius: 7px; background: transparent; color: #64748b; font-size: 12px; cursor: pointer; }
.billing-product-tabs button.active { background: #fff; color: #4f46e5; box-shadow: 0 1px 5px rgba(15, 23, 42, .1); }
.billing-plan-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.billing-plan-card { position: relative; display: flex; flex-direction: column; min-height: 290px; padding: 19px; border: 1px solid #e2e8f0; border-radius: 14px; background: #fff; }
.billing-plan-card.recommended { border-color: #818cf8; box-shadow: 0 0 0 2px #eef2ff inset; }
.billing-recommended { position: absolute; top: 0; right: 16px; padding: 5px 10px; border-radius: 0 0 8px 8px; background: #4f46e5; color: #fff; font-size: 10px; font-weight: 700; }
.billing-product-chip { align-self: flex-start; padding: 4px 8px; border-radius: 999px; background: #f1f5f9; color: #475569; font-size: 10px; font-weight: 700; }
.billing-plan-card h3 { margin: 13px 0 4px; font-size: 17px; }
.billing-plan-card > p { min-height: 38px; margin: 0; color: var(--text-sec); font-size: 12px; line-height: 1.6; }
.billing-price { margin: 14px 0; color: #4f46e5; font-size: 23px; font-weight: 800; }
.billing-price small { margin-left: 4px; color: var(--text-thi); font-size: 11px; font-weight: 500; }
.billing-price-anchor { display: flex; align-items: center; gap: 7px; margin: 12px 0 -9px; color: #94a3b8; font-size: 11px; }
.billing-price-anchor span { padding: 2px 6px; border-radius: 999px; background: #ede9fe; color: #6d28d9; font-weight: 700; }
.billing-topup-card { border-style: dashed; background: #fafafa; }
.billing-benefits { display: grid; gap: 7px; margin: 0 0 16px; padding: 0; color: #475569; font-size: 12px; list-style: none; }
.billing-plan-card .btn { width: 100%; }
.billing-plan-actions { display: grid; gap: 8px; margin-top: auto; }
.billing-plan-actions .btn-combo { border: 1px solid #c4b5fd; background: #f5f3ff; color: #6d28d9; }
.billing-meter-note { grid-column: 1 / -1; padding: 14px 16px; border-radius: 12px; background: #f8fafc; color: var(--text-sec); font-size: 12px; line-height: 1.7; }
.billing-meter-note strong { margin-right: 7px; color: var(--text-pri); }
.billing-meter-note br { display: block; margin-top: 5px; content: ''; }
.billing-order-table-wrap { overflow-x: auto; }
.billing-order-table { min-width: 850px; }
.billing-order-table td { max-width: 260px; }
.billing-order-no strong, .billing-order-no span { display: block; }
.billing-order-no span { margin-top: 3px; color: var(--text-thi); font-size: 10px; }
.billing-status { display: inline-flex; padding: 4px 8px; border-radius: 999px; background: #f1f5f9; color: #475569; font-size: 11px; font-weight: 700; }
.billing-status.payment_review { background: #fef3c7; color: #92400e; }
.billing-status.paid { background: #dcfce7; color: #166534; }
.billing-status.cancelled, .billing-status.refunded { background: #fee2e2; color: #991b1b; }
.billing-order-actions { display: flex; gap: 6px; }
.billing-order-actions .btn { padding: 5px 9px; font-size: 11px; }
.billing-license { display: flex; align-items: center; gap: 6px; }
.billing-license code { font-size: 10px; }
.billing-payment-help { margin-top: 18px; padding: 18px 20px; border: 1px solid #fde68a; border-radius: 14px; background: #fffbeb; color: #78350f; }
.billing-payment-help h3 { margin: 0 0 8px; font-size: 15px; }
.billing-payment-help p { margin: 4px 0; font-size: 12px; line-height: 1.6; white-space: pre-wrap; }
.billing-qr-list { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 12px; }
.billing-qr-list figure { margin: 0; }
.billing-qr-list img { width: 140px; height: 140px; object-fit: contain; border: 1px solid #fde68a; border-radius: 10px; background: #fff; }
.billing-qr-list figcaption { margin-top: 5px; text-align: center; font-size: 11px; }
.billing-loading { padding: 20px; color: var(--text-sec); text-align: center; }
.billing-dialog-head { align-items: flex-start; justify-content: space-between; }
.billing-dialog-head h2 { margin: 0 0 5px; font-size: 18px; }
.billing-dialog-head p { margin: 0; color: var(--text-sec); font-size: 11px; line-height: 1.5; }
.billing-payment-dialog textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); font: inherit; resize: vertical; }

@media (max-width: 900px) {
  .billing-current-grid { grid-template-columns: 1fr 1fr; }
  .billing-current-title { grid-column: 1 / -1; }
  .billing-quota { padding-left: 0; border-left: 0; }
  .billing-section-head { flex-direction: column; }
  .billing-product-tabs { width: 100%; overflow-x: auto; }
}
@media (max-width: 600px) {
  .billing-page-header { align-items: flex-start; flex-direction: column; }
  .billing-current-grid { grid-template-columns: 1fr; }
  .billing-current-title { grid-column: auto; }
}