.billing-page { display: grid; gap: 18px; min-width: 0; padding: 22px; background: rgba(18, 23, 34, .92); border: 1px solid var(--border-light); border-radius: 14px; box-shadow: var(--shadow-warm-md); }
.billing-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.billing-heading-copy { min-width: 0; }
.billing-kicker { color: var(--coral); font: 700 10px var(--font-mono); letter-spacing: .14em; }
.billing-title { margin: 5px 0; color: var(--text-title); font-size: 23px; letter-spacing: -.03em; }
.billing-description, .billing-heading-meta, .billing-section-heading p, .billing-muted { margin: 0; color: var(--text-muted); font-size: 12px; line-height: 1.6; }
.billing-heading-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; text-align: right; }
.billing-summary-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.billing-summary-grid.is-unrestricted { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.billing-summary-card { display: grid; gap: 3px; min-width: 0; padding: 16px; border: 1px solid var(--border-light); border-radius: 11px; background: linear-gradient(135deg, rgba(255,66,104,.1), rgba(111,140,255,.06)); }
.billing-summary-card:nth-child(2) { background: linear-gradient(135deg, rgba(111,140,255,.12), rgba(199,243,107,.05)); }
.billing-summary-card:nth-child(3) { background: rgba(199,243,107,.07); }
.billing-summary-card strong { color: var(--text-title); font-size: 24px; }
.billing-summary-card span { color: var(--text-body); font-size: 12px; font-weight: 700; }
.billing-summary-card small { color: var(--text-muted); font-size: 10px; }
.billing-section { display: grid; gap: 11px; padding-top: 6px; }
.billing-section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.billing-section-heading h3 { margin: 0; color: var(--text-title); font-size: 15px; }
.billing-package-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.billing-package-card { display: grid; gap: 6px; min-width: 0; padding: 15px; border: 1px solid var(--border-medium); border-radius: 11px; background: #151c29; }
.billing-package-card strong { color: var(--text-title); font-size: 15px; }
.billing-package-card span { color: var(--sage-green); font: 700 13px var(--font-mono); }
.billing-package-card small { color: var(--text-muted); }
.billing-package-card .primary-button { justify-self: start; margin-top: 6px; }
.billing-order-list, .billing-ledger-list { display: grid; gap: 7px; }
.billing-order-row { display: flex; align-items: center; gap: 12px; min-width: 0; padding: 11px 12px; border: 1px solid var(--border-light); border-radius: 9px; background: #111823; }
.billing-order-row > div { display: grid; gap: 3px; min-width: 0; flex: 1; }
.billing-order-row strong { color: var(--text-body); font-size: 12px; }
.billing-order-row small { color: var(--text-subtle); font-size: 10px; overflow-wrap: anywhere; }
.billing-settlement-form { display: grid; grid-template-columns: minmax(160px, 1fr) auto; align-items: end; gap: 8px 10px; min-width: 0; }
.billing-settlement-field { display: grid; gap: 4px; color: var(--text-muted); font-size: 11px; }
.billing-settlement-field input { width: 100%; min-width: 0; padding: 8px 9px; border: 1px solid var(--border-medium); border-radius: 7px; background: #0e1520; color: var(--text-body); }
.billing-settlement-confirm { display: flex; grid-column: 1 / -1; gap: 7px; align-items: center; color: var(--text-muted); font-size: 11px; }
.billing-settlement-confirm input { accent-color: var(--sage-green); }
.billing-settlement-feedback { grid-column: 1 / -1; color: var(--gold-amber); font-size: 11px; }
.billing-order-status { padding: 4px 7px; border-radius: 999px; font-size: 10px; white-space: nowrap; }
.billing-order-status.is-pending { color: var(--gold-amber); background: rgba(255,191,105,.12); }
.billing-order-status.is-paid { color: var(--sage-green); background: rgba(199,243,107,.12); }
.billing-order-status.is-cancelled { color: var(--text-muted); background: var(--bg-tag); }
.billing-ledger { border-top: 1px solid var(--border-light); padding-top: 12px; }
.billing-ledger summary { color: var(--text-body); cursor: pointer; font-weight: 700; }
.billing-ledger-list { margin-top: 10px; }
.billing-ledger-row { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(160px, auto); align-items: center; gap: 10px; color: var(--text-muted); font-size: 11px; }
.billing-ledger-row strong { color: var(--sage-green); font-family: var(--font-mono); }
.billing-ledger-row small { color: var(--text-subtle); text-align: right; }
.billing-feedback { display: grid; justify-items: start; gap: 9px; padding: 26px; border: 1px dashed var(--border-medium); border-radius: 11px; color: var(--text-muted); }
.billing-feedback strong { color: var(--text-title); }
.billing-feedback p { margin: 0; }
.billing-feedback-error { border-color: var(--coral-border); }
@media (max-width: 900px) {
  .billing-settlement-form { grid-template-columns: minmax(0, 1fr); width: 100%; }
  .billing-settlement-confirm, .billing-settlement-feedback { grid-column: 1; }
  .billing-admin-order { flex-wrap: wrap; }
}
@media (max-width: 600px) {
  .billing-page { padding: 16px; }
  .billing-heading, .billing-section-heading { align-items: stretch; flex-direction: column; }
  .billing-heading-meta { justify-content: flex-start; text-align: left; }
  .billing-summary-grid, .billing-summary-grid.is-unrestricted, .billing-package-grid { grid-template-columns: 1fr; }
  .billing-package-card .primary-button, .billing-heading-meta .secondary-button { width: 100%; justify-content: center; }
  .billing-order-row { align-items: flex-start; flex-wrap: wrap; }
  .billing-order-row > div { flex-basis: calc(100% - 12px); }
  .billing-order-row .secondary-button { width: 100%; justify-content: center; }
  .billing-settlement-form { grid-template-columns: minmax(0, 1fr); width: 100%; }
  .billing-settlement-confirm, .billing-settlement-feedback { grid-column: 1; }
  .billing-ledger-row { grid-template-columns: minmax(0, 1fr) auto; }
  .billing-ledger-row small { grid-column: 1 / -1; text-align: left; }
}