/* Premium surfaces are scoped to checkout; shared workspace geometry stays intact. */
.premium-page {
  background: radial-gradient(ellipse at 55% 3%, #31558314, transparent 45%), #0b0f17;
}
.billing-main { flex: 1; padding: 42px 0 36px; }
.billing-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 36px; margin-bottom: 30px; }
.billing-intro .eyebrow, .capabilities-heading .eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 14px; color: #93a9c7; font-size: 10px; font-weight: 600; letter-spacing: .14em; }
.premium-dot { width: 6px; height: 6px; border-radius: 50%; background: #bddaff; box-shadow: 0 0 12px #7daeff66; }
.billing-intro h1 { margin: 0; font-size: clamp(38px, 4.3vw, 56px); line-height: 1.06; letter-spacing: -.052em; font-weight: 600; }
.billing-intro h1 span { color: #adcaff; background: linear-gradient(105deg, #eff5ff, #9abcf4); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.billing-intro > p { max-width: 335px; margin: 0 0 4px; color: #99a9c0; font-size: 14px; line-height: 1.8; }
.billing-layout { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr); gap: 22px; align-items: stretch; }
.plan-showcase { position: relative; isolation: isolate; overflow: hidden; padding: 30px 32px 0; color: #eef4ff; border: 1px solid #566f95; border-radius: 22px; background: radial-gradient(ellipse at 90% 3%, #598aee6b, transparent 56%), linear-gradient(145deg, #2b528b 0%, #19365d 51%, #111e36 100%); box-shadow: inset 0 1px 0 #e1efff66, inset 0 -1px 0 #06132966, 0 18px 55px #0004, 0 0 30px #709fec0d; }
.plan-showcase::before { content: ''; position: absolute; z-index: -1; inset: 0; pointer-events: none; background: linear-gradient(125deg, #e1ebff15, transparent 38%), radial-gradient(circle at 105% -12%, transparent 0 210px, #b3ccf51a 211px, transparent 212px 245px, #b3ccf50a 246px, transparent 247px); }
.plan-topline { display: flex; justify-content: space-between; gap: 14px; align-items: center; margin-bottom: 32px; }
.plan-label { color: #aec3e2; font-size: 10px; letter-spacing: .11em; font-weight: 600; }
.plan-tag { white-space: nowrap; padding: 6px 8px; border: 1px solid #b4cdf42b; border-radius: 5px; color: #c8dbf8; background: #bbd3ff0a; font-size: 9px; letter-spacing: .05em; }
.plan-emblem { position: absolute; width: 150px; height: 150px; right: 24px; top: 94px; pointer-events: none; filter: drop-shadow(0 15px 24px #0004); }
.plan-emblem svg { width: 100%; height: 100%; }
.plan-title { position: relative; max-width: 70%; margin-bottom: 24px; }
.plan-title h2 { margin: 0 0 8px; font-size: 36px; font-weight: 600; letter-spacing: -.055em; }
.plan-title h2 > span { margin-left: 2px; color: #a9ceff; }
.plan-title p { margin: 0; color: #acbfdc; font-size: 13px; }
.plan-price { display: flex; align-items: center; gap: 24px; margin-bottom: 26px; }
.plan-price > strong { font-size: 94px; font-weight: 500; letter-spacing: -.075em; line-height: 1; font-variant-numeric: tabular-nums; }
.plan-price sup { display: inline-block; vertical-align: top; padding-top: 12px; margin-right: 6px; font-size: 32px; line-height: 1; letter-spacing: -.04em; }
.plan-price > div { display: grid; gap: 6px; padding: 5px 0 5px 19px; border-left: 1px solid #b0c9f333; }
.plan-price b { font-size: 14px; font-weight: 500; }
.plan-price span { color: #a9bddb; font-size: 12px; }
.plan-included { border-top: 1px solid #abc8f526; padding: 23px 0 24px; }
.plan-included > p { margin: 0 0 17px; color: #8eacd3; font-size: 10px; font-weight: 600; letter-spacing: .13em; }
.plan-included ul { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.plan-included li { position: relative; padding-left: 25px; font-size: 13px; line-height: 1.5; color: #dce8fa; }
.plan-included li::before { content: ''; position: absolute; left: 3px; top: 3px; width: 6px; height: 10px; border-right: 1.5px solid #a5caff; border-bottom: 1.5px solid #a5caff; transform: rotate(40deg); }
.plan-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 0; border-top: 1px solid #abc8f526; font-size: 11px; color: #9db4d3; }
.plan-bottom svg { flex: none; width: 20px; height: 20px; }
.checkout-card { min-width: 0; display: flex; flex-direction: column; align-items: stretch; padding: 32px; border: 1px solid #344157; border-radius: 22px; background: radial-gradient(ellipse at 0 0, #86b5ee16, transparent 65%), linear-gradient(145deg, #22354e, #142238 65%, #101b2c); box-shadow: inset 0 1px 0 #dcecff33, 0 16px 45px #0003; }
.checkout-eyebrow { margin-bottom: 23px; color: #96a8c1; font-size: 10px; font-weight: 600; letter-spacing: .13em; }
.checkout-card h2 { margin: 0 0 13px; font-size: 31px; font-weight: 600; line-height: 1.15; letter-spacing: -.045em; }
.checkout-description { max-width: 355px; margin-bottom: 24px; color: #a3b2c8; font-size: 13px; line-height: 1.8; }
.checkout-steps { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 26px; color: #7f90a8; font-size: 11px; }
.checkout-steps span { display: flex; align-items: center; gap: 7px; }
.checkout-steps b { display: grid; place-items: center; width: 25px; height: 25px; border: 1px solid #344359; border-radius: 8px; font-size: 10px; font-weight: 500; }
.checkout-steps .active { color: #d7e6fa; }
.checkout-steps .active b { color: #d9e9ff; border-color: #839fc766; background: linear-gradient(180deg, #4b6b94, #2b466b 48%, #243d5e 50%, #1b304c); box-shadow: inset 0 1px #dceaff55; }
.checkout-card .btn { display: flex; justify-content: center; align-items: center; gap: 8px; width: 100%; min-height: 48px; margin: 0; border-radius: 10px; font-size: 13px; font-weight: 600; letter-spacing: 0; text-decoration: none; }
.checkout-card #buy-premium, .checkout-card #inv-check { border: 1px solid #bdd5fb; background: linear-gradient(180deg, #d9e9ff, #afcffb 48%, #9ec2f3 50%, #85afe7); color: #112340; box-shadow: inset 0 1px 0 #ffffffba, inset 0 -1px #375b8d55, 0 5px 20px #6193e126; }
.checkout-card #buy-premium:hover:not(:disabled), .checkout-card #inv-check:hover:not(:disabled) { background: linear-gradient(180deg, #edf5ff, #c8e0ff 48%, #b7d6ff 50%, #9bc3f4); }
.checkout-card .btn-sec { color: #d1e1f7; background: linear-gradient(180deg, #304967, #203750 50%, #1b2d44); border: 1px solid #7798c34d; box-shadow: inset 0 1px #dceaff24; }
.checkout-meta { display: flex; justify-content: center; align-items: center; gap: 6px; margin: 13px 0 0; color: #8d9fb9; font-size: 11px; line-height: 1.6; text-align: center; }
.checkout-meta svg { flex: none; width: 13px; height: 13px; }
.checkout-assurance { display: grid; gap: 15px; margin-top: auto; padding-top: 28px; }
.checkout-assurance > div { display: flex; gap: 12px; align-items: center; color: #a7b7ce; font-size: 12px; }
.checkout-assurance b { font-size: 10px; color: #6f89ad; font-weight: 500; }
.checkout-assurance > div + div { padding-top: 15px; border-top: 1px solid #ffffff0a; }
.member-mark { display: grid; place-items: center; width: 50px; height: 50px; margin: 0 0 20px; border: 1px solid #94b8f144; border-radius: 15px; background: radial-gradient(ellipse at 20% 0, #d8f0ff29, transparent 75%), linear-gradient(145deg, #3c658c, #1d3b5b); color: #c8e5ff; box-shadow: inset 0 1px #d8edff55, 0 4px 15px #0002; }
.member-mark svg { width: 26px; height: 26px; }
.member-tools { display: grid; gap: 0; margin-top: 4px; }
.member-tools a { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 15px 2px; border-bottom: 1px solid #ffffff0b; color: #bdcce2; font-size: 13px; text-decoration: none; }
.member-tools a:last-child { border-bottom: 0; }
.member-tools a:hover { color: #f2f7ff; }
.member-tools a > span:last-child { color: #a0bfea; font-size: 18px; }
.member-tools a.member-primary { margin: 0 0 9px; padding: 16px 18px; border: 1px solid #bfd4f5; border-radius: 10px; background: linear-gradient(180deg, #d9e9ff, #afcffb 48%, #9ec2f3 50%, #85afe7); color: #13243d; font-size: 14px; font-weight: 600; box-shadow: inset 0 1px #ffffffbb, 0 5px 16px #06142a55; }
.member-primary small { display: block; margin-top: 4px; color: #365070; font-size: 11px; font-weight: 400; }
.member-tools a.member-primary > span:last-child { color: #274464; }
.checkout-card.is-member .checkout-description { margin-bottom: 19px; }
.checkout-card.is-member .checkout-eyebrow { display: flex; align-items: center; gap: 8px; }
.checkout-card.is-member .checkout-eyebrow::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: #9fd9be; }
.checkout-card.is-member .checkout-notice { margin-top: auto; padding: 18px 0 0; border: 0; background: transparent; color: #8fa4c0; font-size: 11px; }
.checkout-notice { margin: 20px 0 0; padding: 12px 14px; border: 1px solid #38584d; border-radius: 10px; background: #152720; color: #b0d8c7; font-size: 12px; line-height: 1.7; overflow-wrap: anywhere; }
.checkout-notice[data-tone=error] { background: #302128; border-color: #69404a; color: #f3b4bd; }
.checkout-notice[data-tone=pending] { background: #17263a; border-color: #3c5373; color: #bdd3f3; }
.invoice-section { margin-top: 23px; padding-top: 23px; border-top: 1px solid #304059; }
.invoice-summary { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 16px; }
.invoice-summary small { display: block; margin-bottom: 7px; color: #95aaca; font-size: 10px; letter-spacing: .1em; }
.invoice-summary strong { font-size: 27px; font-weight: 500; letter-spacing: -.04em; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.network-label { flex: none; white-space: nowrap; padding: 6px 9px; border: 1px solid #385371; border-radius: 7px; color: #acc5e5; background: #15283d; font-size: 10px; }
.checkout-card .qr-stage { margin: 18px 0 10px; padding: 24px; border: 1px solid #344962; border-radius: 16px; background: radial-gradient(ellipse at 50% 0, #6798d52b, transparent 80%), linear-gradient(145deg, #192b42, #0d1727); text-align: center; box-shadow: inset 0 1px #c9e1ff2b; }
.checkout-card .payment-qr { display: block; width: 220px; height: 220px; max-width: 100%; object-fit: contain; margin: 0 auto; padding: 8px; border: 0; border-radius: 10px; background: white; box-shadow: 0 10px 30px #0004; }
.qr-stage p { margin: 14px 0 0; color: #a5b7cf; font-size: 12px; line-height: 1.6; }
.address-label { display: block; margin: 20px 0 8px; color: #9caec7; font-size: 10px; letter-spacing: .08em; }
.address-control { display: flex; align-items: center; gap: 10px; padding: 12px; border: 1px solid #34445e; border-radius: 10px; background: #0e1724; }
.address-control code { min-width: 0; flex: 1; color: #cddbf1; font-size: 11px; line-height: 1.7; overflow-wrap: anywhere; }
.copy-icon { flex: none; display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid #3c577d; border-radius: 8px; color: #b5d1f7; background: #1b2c43; cursor: pointer; }
.copy-icon svg { width: 16px; height: 16px; }
.quote-note { margin: 12px 0 20px; color: #94a9c7; font-size: 11px; line-height: 1.8; }
.payment-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.payment-actions .btn { font-size: 12px; }
.checkout-card.has-invoice { align-self: start; }
.billing-layout:has(.has-invoice) { align-items: start; }
.checkout-card.has-invoice .checkout-description { margin-bottom: 0; }
.premium-capabilities { margin-top: 44px; }
.capabilities-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
.capabilities-heading .eyebrow { margin-bottom: 10px; }
.capabilities-heading h2 { margin: 0; font-size: 26px; font-weight: 500; letter-spacing: -.04em; }
.capabilities-heading > p { max-width: 230px; margin: 0; color: #95a6bf; font-size: 12px; line-height: 1.7; }
.capabilities-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.premium-capabilities .capabilities-grid article { position: relative; padding: 23px; border: 1px solid #2e3c50; border-radius: 16px; background: radial-gradient(ellipse at 0 0, #9abbeb10, transparent 70%), linear-gradient(145deg, #22324a, #142237 78%); box-shadow: inset 0 1px #d5e6ff30, 0 10px 22px #0002; }
.capability-number { color: #859bbb; font-size: 10px; letter-spacing: .1em; }
.capabilities-grid svg { display: block; width: 28px; height: 28px; margin: 22px 0 19px; color: #accdf9; }
.capabilities-grid h3 { margin: 0 0 10px; font-size: 17px; font-weight: 500; letter-spacing: -.025em; }
.capabilities-grid p { margin: 0 0 22px; color: #98aac3; font-size: 12px; line-height: 1.8; }
.capability-detail { display: block; padding-top: 15px; border-top: 1px solid #ffffff0b; color: #a7bedf; font-size: 11px; line-height: 1.6; }
.free-note { display: flex; align-items: center; gap: 14px; margin: 22px 0 0; color: #96a8c1; font-size: 12px; line-height: 1.8; }
.free-note > span { flex: none; color: #b7c8e0; font-size: 10px; letter-spacing: .1em; }
.billing-help { margin: 28px 0 0; padding: 18px 0 0; border-top: 1px solid #2a384c; }
.billing-help summary { padding: 4px 0; color: #bacce7; font-size: 13px; cursor: pointer; }
.billing-help p { max-width: 790px; margin: 14px 0 0; color: #97a9c3; font-size: 12px; line-height: 1.85; }
.billing-shell > .app-footer { margin-top: 16px; color: #8397b3; font-size: 11px; }
@media (min-width: 761px) and (max-width: 1050px) {
  .plan-showcase { padding: 27px 26px 0; }
  .plan-emblem { width: 120px; right: 12px; top: 111px; }
  .plan-label { max-width: 122px; line-height: 1.6; }
  .plan-title h2 { font-size: 32px; }
  .checkout-card { padding: 27px; }
  .plan-price > strong { font-size: 84px; }
}
@media (max-width: 760px) {
  .billing-main { padding-top: 30px; }
  .billing-intro { display: block; margin-bottom: 25px; }
  .billing-intro h1 { font-size: 44px; }
  .billing-intro > p { max-width: 370px; margin-top: 18px; font-size: 13px; }
  .billing-layout { grid-template-columns: 1fr; gap: 18px; }
  .plan-showcase { padding: 25px 26px 0; }
  .plan-topline { margin-bottom: 27px; }
  .plan-emblem { width: 140px; top: 90px; right: 21px; }
  .plan-price { margin-bottom: 23px; }
  .checkout-card { padding: 26px; }
  .checkout-assurance { margin-top: 8px; }
  .premium-capabilities { margin-top: 34px; }
  .capabilities-heading { display: block; }
  .capabilities-heading > p { max-width: none; margin-top: 10px; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .premium-capabilities .capabilities-grid article { padding: 23px 23px 23px 87px; }
  .capabilities-grid svg { position: absolute; left: 23px; top: 47px; width: 26px; margin: 0; }
  .capabilities-grid h3 { margin-top: 14px; }
  .capabilities-grid p { margin-bottom: 15px; }
  .free-note { display: block; }
  .free-note > span { display: block; margin-bottom: 6px; }
}
@media (max-width: 420px) {
  .plan-topline { align-items: flex-start; }
  .plan-label { max-width: 135px; line-height: 1.6; }
  .plan-tag { font-size: 8px; }
  .plan-emblem { width: 104px; right: 12px; top: 112px; }
  .plan-title h2 { font-size: 32px; }
  .plan-price > strong { font-size: 80px; }
  .plan-price { gap: 16px; }
  .plan-price > div { padding-left: 14px; }
  .invoice-summary { align-items: flex-start; flex-direction: column; }
  .payment-actions { grid-template-columns: 1fr; }
  .checkout-card { padding: 22px; }
  .checkout-card .qr-stage { padding: 18px 12px; }
  .checkout-steps { gap: 8px; font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .premium-page * { scroll-behavior: auto !important; transition: none !important; }
}