.professional-portal #billing-section {
  --billing-navy: var(--portal-navy, #14213d);
  --billing-teal: var(--portal-teal, #087f8c);
  --billing-mint: #e8f7f3;
  --billing-muted: #667085;
  --billing-line: #dce3e9;
  --billing-soft: #f5f8f9;
  max-width: 1120px;
  margin: 0 auto;
  color: #263244;
}

#billing-section *, #billing-section *::before, #billing-section *::after { box-sizing: border-box; }
.billing-page-header { margin: 4px 0 26px; }
.billing-page-header h1 { margin: 0 0 7px; color: var(--billing-navy); font: 700 2rem/1.15 Manrope, sans-serif; letter-spacing: 0; }
.billing-page-header p { margin: 0; color: var(--billing-muted); font-size: .94rem; }
#billingInfoContainer { display: grid; gap: 18px; }
.billing-card > .material-icons,
.billing-empty-state > .material-icons,
.billing-manage-card > div > .material-icons {
  display: block;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  line-height: 1;
}
.billing-card { padding: 22px; border: 1px solid var(--billing-line); border-radius: 8px; background: #fff; box-shadow: 0 5px 18px rgba(28, 39, 56, .045); }
.billing-card h2 { margin: 0; color: var(--billing-navy); font: 700 1rem/1.35 Manrope, sans-serif; letter-spacing: 0; }
.billing-card-heading { display: flex; align-items: center; gap: 10px; padding-bottom: 16px; border-bottom: 1px solid #edf0f2; margin-bottom: 19px; }
.billing-status-badge, .billing-eyebrow { padding: 4px 7px; border-radius: 4px; background: var(--billing-mint); color: #14704e; font-size: .63rem; font-weight: 800; letter-spacing: 0; }
.billing-status-badge.is-free { background: #eef1f4; color: #536171; }
.billing-plan-layout { display: grid; grid-template-columns: minmax(230px, .8fr) minmax(320px, 1.2fr); gap: 30px; align-items: center; }
.billing-free-layout { align-items: stretch; }
.billing-plan-summary { min-width: 0; }
.billing-plan-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 15px; border-radius: 50%; background: #edf3f4; color: var(--billing-teal); }
.billing-plan-icon.is-premium { background: var(--billing-navy); color: #42d2b2; box-shadow: 0 6px 16px rgba(20, 33, 61, .2); }
.billing-plan-icon .material-icons { font-size: 25px; }
.billing-plan-summary h3, .billing-upgrade-panel h3 { margin: 0 0 7px; color: var(--billing-navy); font: 700 1.18rem/1.3 Manrope, sans-serif; }
.billing-plan-price, .billing-upgrade-price { margin: 0 0 5px; color: var(--billing-navy); font: 800 1.55rem/1.2 Manrope, sans-serif; letter-spacing: 0; }
.billing-plan-price span, .billing-upgrade-price span { color: var(--billing-muted); font-size: .76rem; font-weight: 500; }
.billing-plan-price.is-term { font-size: 1.18rem; }
.billing-plan-copy { margin: 0 0 14px; color: var(--billing-muted); font-size: .79rem; line-height: 1.45; }
.billing-plan-copy.is-strong { color: var(--billing-teal); font-weight: 700; }
.billing-detail-list { margin: 0; padding: 5px 0; }
.billing-detail-list > div { display: grid; grid-template-columns: minmax(130px, 1fr) minmax(120px, auto); gap: 24px; padding: 7px 0; }
.billing-detail-list dt { color: var(--billing-muted); font-size: .78rem; }
.billing-detail-list dd { margin: 0; color: var(--billing-navy); font-size: .78rem; font-weight: 700; text-align: right; }
.billing-benefit-list { display: grid; gap: 9px; padding: 0; margin: 17px 0 0; list-style: none; }
.billing-benefit-list li { display: flex; align-items: flex-start; gap: 8px; color: #3d4b5d; font-size: .78rem; line-height: 1.4; }
.billing-benefit-list .material-icons { color: var(--billing-teal); font-size: 16px; }
.billing-upgrade-panel { display: flex; flex-direction: column; align-items: flex-start; padding: 22px; border: 1px solid #addfd4; border-radius: 7px; background: #f7fcfb; }
.billing-upgrade-panel .billing-primary-button { margin-top: 20px; align-self: stretch; }
.billing-primary-button, .billing-danger-button { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 16px; border: 1px solid var(--billing-teal); border-radius: 6px; text-decoration: none; font: 700 .8rem/1.2 Manrope, sans-serif; letter-spacing: 0; cursor: pointer; }
.billing-primary-button { background: var(--billing-teal); color: #fff; }
.billing-primary-button:hover { background: #076e79; }
.billing-danger-button { border-color: #d92d20; background: #fff; color: #b42318; }
.billing-danger-button:hover { background: #fff5f4; }
.billing-primary-button:focus-visible, .billing-danger-button:focus-visible, .billing-important-card a:focus-visible { outline: 3px solid rgba(8, 127, 140, .22); outline-offset: 2px; }
.billing-primary-button:disabled, .billing-danger-button:disabled { opacity: .62; cursor: wait; }
.billing-portal-status { margin: 12px 0 0; color: #b42318; font-size: .76rem; }
.billing-history-card h2, .billing-manage-card > h2 { padding-bottom: 16px; border-bottom: 1px solid #edf0f2; margin-bottom: 18px; }
.billing-empty-state { display: flex; align-items: center; gap: 13px; padding: 15px; border-radius: 6px; background: var(--billing-soft); }
.billing-empty-state > .material-icons { color: #8b98a7; font-size: 24px; }
.billing-empty-state strong { color: var(--billing-navy); font-size: .82rem; }
.billing-empty-state p { margin: 3px 0 0; color: var(--billing-muted); font-size: .75rem; }
.billing-manage-card > div { display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; gap: 12px; align-items: center; }
.billing-manage-card > div > .material-icons { color: #d92d20; font-size: 20px; }
.billing-manage-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.billing-manage-card strong { color: var(--billing-navy); font-size: .83rem; }
.billing-manage-card p { margin: 4px 0 0; color: var(--billing-muted); font-size: .75rem; line-height: 1.5; }
.billing-important-card { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 12px; border-color: #efd28b; background: #fff9e9; box-shadow: none; }
.billing-important-card > .material-icons { color: #b7791f; font-size: 22px; }
.billing-important-card h2 { color: #7b5417; }
.billing-important-card p { margin: 7px 0 0; color: #795f32; font-size: .76rem; line-height: 1.55; }
.billing-important-card a { color: #76500f; font-weight: 700; }
.billing-load-state { display: grid; gap: 18px; }
.billing-skeleton { height: 150px; border-radius: 8px; background: linear-gradient(90deg, #e9eef1 25%, #f7f9fa 50%, #e9eef1 75%); background-size: 200% 100%; animation: billing-loading 1.3s infinite; }
.billing-load-state.is-error { min-height: 320px; display: flex; align-items: center; justify-content: center; gap: 15px; text-align: left; }
.billing-load-state.is-error > .material-icons { color: var(--billing-teal); font-size: 32px; }
.billing-load-state.is-error h2 { margin: 0 0 5px; color: var(--billing-navy); font: 700 1rem/1.3 Manrope, sans-serif; }
.billing-load-state.is-error p { margin: 0 0 14px; color: var(--billing-muted); font-size: .8rem; }
@keyframes billing-loading { to { background-position: -200% 0; } }

@media (max-width: 760px) {
  .billing-plan-layout { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .billing-manage-card > div { grid-template-columns: 24px minmax(0, 1fr); }
  .billing-manage-actions { grid-column: 1 / -1; display: grid; justify-content: stretch; width: 100%; margin-top: 4px; }
  .billing-manage-actions > button { width: 100%; }
}

@media (max-width: 480px) {
  .billing-page-header h1 { font-size: 1.55rem; }
  .billing-card { padding: 17px; }
  .billing-detail-list > div { grid-template-columns: minmax(0, 1fr); gap: 3px; padding: 9px 0; border-bottom: 1px solid #edf0f2; }
  .billing-detail-list > div:last-child { border-bottom: 0; }
  .billing-detail-list dd { text-align: left; }
  .billing-upgrade-panel { padding: 17px; }
}

@media (prefers-reduced-motion: reduce) { .billing-skeleton { animation: none; } }